Exportdb refactor (#638)

* Working on export_db refactor * Added exportdb command, removed logic for missing export_db, #630 * Updated tests * updated docs * Added --config-only, #606 * Added validation for --exportdb * Added --info to exportdb command * Fixed exportdb --touch-file to migrate database if needed * Added exportdb --migrate
2022-02-21 10:15:01 -07:00
parent d8204e65eb
commit ecbd370a47
20 changed files with 1673 additions and 1060 deletions
--- a/README.md
+++ b/README.md
@@ -1732,7 +1732,7 @@ Substitution                    Description
 {lf}                            A line feed: '\n', alias for {newline}
 {cr}                            A carriage return: '\r'
 {crlf}                          a carriage return + line feed: '\r\n'
-{osxphotos_version}             The osxphotos version, e.g. '0.45.12'
+{osxphotos_version}             The osxphotos version, e.g. '0.46.0'
 {osxphotos_cmd_line}            The full command line used to run osxphotos

 The following substitutions may result in multiple values. Thus if specified for
@@ -3636,7 +3636,7 @@ The following template field substitutions are availabe for use the templating s
 |{lf}|A line feed: '\n', alias for {newline}|
 |{cr}|A carriage return: '\r'|
 |{crlf}|a carriage return + line feed: '\r\n'|
-|{osxphotos_version}|The osxphotos version, e.g. '0.45.12'|
+|{osxphotos_version}|The osxphotos version, e.g. '0.46.0'|
 |{osxphotos_cmd_line}|The full command line used to run osxphotos|
 |{album}|Album(s) photo is contained in|
 |{folder_album}|Folder path + album photo is contained in. e.g. 'Folder/Subfolder/Album' or just 'Album' if no enclosing folder|
@@ -3736,7 +3736,7 @@ Args:

 Returns: ExportResults instance

-*Note*: to use dry run mode, you must set options.dry_run=True and also pass in memory version of export_db, and no-op fileutil (e.g. ExportDBInMemory and FileUtilNoOp) in options.export_db and options.fileutil respectively.
+*Note*: to use dry run mode, you must set options.dry_run=True and also pass in memory version of export_db, and no-op fileutil (e.g. `ExportDBInMemory` and `FileUtilNoOp`) in options.export_db and options.fileutil respectively.

 #### `ExportOptions`

@@ -3752,7 +3752,7 @@ Attributes:
 - exiftool_flags (list of str): optional list of flags to pass to exiftool when using exiftool option, e.g ["-m", "-F"]
 - exiftool: (bool, default = False): if True, will use exiftool to write metadata to export file
 - export_as_hardlink: (bool, default=False): if True, will hardlink files instead of copying them
- export_db: (ExportDB_ABC): instance of a class that conforms to ExportDB_ABC with methods for getting/setting data related to exported files to compare update state
+- export_db: (ExportDB): instance of a class that conforms to ExportDB with methods for getting/setting data related to exported files to compare update state
 - fileutil: (FileUtilABC): class that conforms to FileUtilABC with various file utilities
 - ignore_date_modified (bool): for use with sidecar and exiftool; if True, sets EXIF:ModifyDate to EXIF:DateTimeOriginal even if date_modified is set
 - ignore_signature (bool, default=False): ignore file signature when used with update (look only at filename)
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -8,3 +8,4 @@ sphinx_rtd_theme
 twine
 wheel
 Sphinx
+pdbpp
--- a/docs/.buildinfo
+++ b/docs/.buildinfo
@@ -1,4 +1,4 @@
 # Sphinx build info version 1
 # This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
-config: 30f35e310e3c2ebf8f561c37c515c685
+config: 5b6236594d7900f08d9a1afda487bf3c
 tags: 645f666f9bcd5a90fca523b33c5a78b7
--- a/docs/_static/documentation_options.js
+++ b/docs/_static/documentation_options.js
@@ -1,6 +1,6 @@
 var DOCUMENTATION_OPTIONS = {
    URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'),
-    VERSION: '0.45.12',
+    VERSION: '0.46.0',
    LANGUAGE: 'None',
    COLLAPSE_INDEX: false,
    BUILDER: 'html',
--- a/docs/cli.html
+++ b/docs/cli.html
@@ -6,7 +6,7 @@
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />

-    <title>osxphotos command line interface (CLI) &#8212; osxphotos 0.45.12 documentation</title>
+    <title>osxphotos command line interface (CLI) &#8212; osxphotos 0.46.0 documentation</title>
    <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
    <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
    <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
--- a/docs/genindex.html
+++ b/docs/genindex.html
@@ -5,7 +5,7 @@
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Index &#8212; osxphotos 0.45.12 documentation</title>
+    <title>Index &#8212; osxphotos 0.46.0 documentation</title>
    <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
    <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
    <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
--- a/docs/index.html
+++ b/docs/index.html
@@ -6,7 +6,7 @@
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />

-    <title>Welcome to osxphotos’s documentation! &#8212; osxphotos 0.45.12 documentation</title>
+    <title>Welcome to osxphotos’s documentation! &#8212; osxphotos 0.46.0 documentation</title>
    <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
    <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
    <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
--- a/docs/modules.html
+++ b/docs/modules.html
@@ -6,7 +6,7 @@
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />

-    <title>osxphotos &#8212; osxphotos 0.45.12 documentation</title>
+    <title>osxphotos &#8212; osxphotos 0.46.0 documentation</title>
    <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
    <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
    <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
--- a/docs/reference.html
+++ b/docs/reference.html
@@ -6,7 +6,7 @@
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />

-    <title>osxphotos package &#8212; osxphotos 0.45.12 documentation</title>
+    <title>osxphotos package &#8212; osxphotos 0.46.0 documentation</title>
    <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
    <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
    <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
--- a/docs/search.html
+++ b/docs/search.html
@@ -5,7 +5,7 @@
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Search &#8212; osxphotos 0.45.12 documentation</title>
+    <title>Search &#8212; osxphotos 0.46.0 documentation</title>
    <link rel="stylesheet" type="text/css" href="_static/pygments.css" />
    <link rel="stylesheet" type="text/css" href="_static/alabaster.css" />
    
--- a/osxphotos/init.py
+++ b/osxphotos/init.py
@@ -1,7 +1,7 @@
 from ._constants import AlbumSortOrder
 from ._version import __version__
 from .exiftool import ExifTool
-from .export_db import ExportDB, ExportDBInMemory, ExportDBNoOp
+from .export_db import ExportDB
 from .fileutil import FileUtil, FileUtilNoOp
 from .momentinfo import MomentInfo
 from .personinfo import PersonInfo
@@ -25,8 +25,7 @@ __all__ = [
    "CommentInfo",
    "ExifTool",
    "ExportDB",
-    "ExportDBInMemory",
-    "ExportDBNoOp",
+    "ExportDBTemp",
    "ExportOptions",
    "ExportResults",
    "FileUtil",
--- a/osxphotos/_version.py
+++ b/osxphotos/_version.py
@@ -1,3 +1,3 @@
 """ version info """

-__version__ = "0.45.12"
+__version__ = "0.46.0"
--- a/osxphotos/cli.py
+++ b/osxphotos/cli.py
@@ -65,6 +65,16 @@ from .crash_reporter import crash_reporter
 from .datetime_formatter import DateTimeFormatter
 from .exiftool import get_exiftool_path
 from .export_db import ExportDB, ExportDBInMemory
+from .export_db_utils import (
+    OSXPHOTOS_EXPORTDB_VERSION,
+    export_db_check_signatures,
+    export_db_get_last_run,
+    export_db_get_version,
+    export_db_save_config_to_file,
+    export_db_touch_files,
+    export_db_update_signatures,
+    export_db_vacuum,
+)
 from .fileutil import FileUtil, FileUtilNoOp
 from .path_utils import is_valid_filepath, sanitize_filename, sanitize_filepath
 from .photoexporter import ExportOptions, ExportResults, PhotoExporter
@@ -274,6 +284,24 @@ class FunctionCall(click.ParamType):
        return (function, value)


+class ExportDBType(click.ParamType):
+
+    name = "EXPORTDB"
+
+    def convert(self, value, param, ctx):
+        try:
+            export_db_name = pathlib.Path(value)
+            if export_db_name.is_dir():
+                raise click.BadParameter(f"{value} is a directory")
+            if export_db_name.is_file():
+                # verify it's actually an osxphotos export_db
+                # export_db_get_version will raise an error if it's not valid
+                osxphotos_ver, export_db_ver = export_db_get_version(value)
+            return value
+        except Exception:
+            self.fail(f"{value} exists but is not a valid osxphotos export database. ")
+
+
 class IncompatibleQueryOptions(Exception):
    pass

@@ -1160,7 +1188,7 @@ def cli(ctx, db, json_, debug):
        f"If --exportdb is not specified, export database will be saved to '{OSXPHOTOS_EXPORT_DB}' "
        "in the export directory.  If --exportdb is specified, it will be saved to the specified file. "
    ),
-    type=click.Path(),
+    type=ExportDBType(),
 )
@click.option(
    "--load-config",
@@ -1182,9 +1210,15 @@ def cli(ctx, db, json_, debug):
    required=False,
    metavar="<config file path>",
    default=None,
-    help=("Save options to file for use with --load-config. File format is TOML."),
+    help="Save options to file for use with --load-config. File format is TOML. "
+    "See also --config-only.",
    type=click.Path(),
 )
+@click.option(
+    "--config-only",
+    is_flag=True,
+    help="If specified, saves the config file but does not export any files; must be used with --save-config.",
+)
@click.option(
    "--beta",
    is_flag=True,
@@ -1351,6 +1385,7 @@ def export(
    exportdb,
    load_config,
    save_config,
+    config_only,
    is_reference,
    beta,
    in_album,
@@ -1413,7 +1448,7 @@ def export(
    cfg = ConfigOptions(
        "export",
        locals(),
-        ignore=["ctx", "cli_obj", "dest", "load_config", "save_config"],
+        ignore=["ctx", "cli_obj", "dest", "load_config", "save_config", "config_only"],
    )

    global VERBOSE
@@ -1620,6 +1655,14 @@ def export(
        )
        sys.exit(1)

+    if config_only and not save_config:
+        click.secho(
+            "--config-only must be used with --save-config",
+            fg=CLI_COLOR_ERROR,
+            err=True,
+        )
+        sys.exit(1)
+
    if all(x in [s.lower() for s in sidecar] for x in ["json", "exiftool"]):
        click.echo(
            click.style(
@@ -1644,8 +1687,11 @@ def export(
                sys.exit(1)

    if save_config:
-        verbose_(f"Saving options to file {save_config}")
+        verbose_(f"Saving options to config file '{save_config}'")
        cfg.write_to_file(save_config)
+        if config_only:
+            click.echo(f"Saved config file to '{save_config}'")
+            sys.exit(0)

    # set defaults for options that need them
    jpeg_quality = DEFAULT_JPEG_QUALITY if jpeg_quality is None else jpeg_quality
@@ -1797,6 +1843,9 @@ def export(
                f"Upgraded export database {export_db_path} from version {upgraded[0]} to {upgraded[1]}"
            )

+    # save config to export_db
+    export_db.set_config(cfg.write_to_str())
+
    photosdb = osxphotos.PhotosDB(dbfile=db, verbose=verbose_, exiftool=exiftool_path)

    # enable beta features if requested
@@ -4703,6 +4752,210 @@ def run(python_file):
    run_path(python_file, run_name="__main__")


+@cli.command(name="exportdb", hidden=OSXPHOTOS_HIDDEN)
+@click.option("--version", is_flag=True, help="Print export database version and exit.")
+@click.option("--vacuum", is_flag=True, help="Run VACUUM to defragment the database.")
+@click.option(
+    "--check-signatures",
+    is_flag=True,
+    help="Check signatures for all exported photos in the database to find signatures that don't match.",
+)
+@click.option(
+    "--update-signatures",
+    is_flag=True,
+    help="Update signatures for all exported photos in the database to match on-disk signatures.",
+)
+@click.option(
+    "--touch-file",
+    is_flag=True,
+    help="Touch files on disk to match created date in Photos library and update export database signatures",
+)
+@click.option(
+    "--last-run",
+    is_flag=True,
+    help="Show last run osxphotos commands used with this database.",
+)
+@click.option(
+    "--save-config",
+    metavar="CONFIG_FILE",
+    help="Save last run configuration to TOML file for use by --load-config.",
+)
+@click.option(
+    "--info",
+    metavar="FILE_PATH",
+    nargs=1,
+    help="Print information about FILE_PATH contained in the database.",
+)
+@click.option(
+    "--migrate",
+    is_flag=True,
+    help="Migrate (if needed) export database to current version."
+)
+@click.option(
+    "--export-dir",
+    help="Optional path to export directory (if not parent of export database).",
+    type=click.Path(exists=True, file_okay=False, dir_okay=True),
+)
+@click.option("--verbose", "-V", is_flag=True, help="Print verbose output.")
+@click.option(
+    "--dry-run",
+    is_flag=True,
+    help="Run in dry-run mode (don't actually update files), e.g. for use with --update-signatures.",
+)
+@click.argument("export_db", metavar="EXPORT_DATABASE", type=click.Path(exists=True))
+def exportdb(
+    version,
+    vacuum,
+    check_signatures,
+    update_signatures,
+    touch_file,
+    last_run,
+    save_config,
+    info,
+    migrate,
+    export_dir,
+    verbose,
+    dry_run,
+    export_db,
+):
+    """Utilities for working with the osxphotos export database"""
+    export_db = pathlib.Path(export_db)
+    if export_db.is_dir():
+        # assume it's the export folder
+        export_db = export_db / OSXPHOTOS_EXPORT_DB
+        if not export_db.is_file():
+            print(
+                f"[red]Error: {OSXPHOTOS_EXPORT_DB} missing from {export_db.parent}[/red]"
+            )
+            sys.exit(1)
+
+    export_dir = export_dir or export_db.parent
+
+    sub_commands = [
+        version,
+        check_signatures,
+        update_signatures,
+        touch_file,
+        last_run,
+        bool(save_config),
+        bool(info),
+        migrate,
+    ]
+    if sum(sub_commands) > 1:
+        print(f"[red]Only a single sub-command may be specified at a time[/red]")
+        sys.exit(1)
+
+    if version:
+        try:
+            osxphotos_ver, export_db_ver = export_db_get_version(export_db)
+        except Exception as e:
+            print(f"[red]Error: could not read version from {export_db}: {e}[/red]")
+            sys.exit(1)
+        else:
+            print(
+                f"osxphotos version: {osxphotos_ver}, export database version: {export_db_ver}"
+            )
+        sys.exit(0)
+
+    if vacuum:
+        try:
+            start_size = pathlib.Path(export_db).stat().st_size
+            export_db_vacuum(export_db)
+        except Exception as e:
+            print(f"[red]Error: {e}[/red]")
+            sys.exit(1)
+        else:
+            print(
+                f"Vacuumed {export_db}! {start_size} bytes -> {pathlib.Path(export_db).stat().st_size} bytes"
+            )
+            sys.exit(0)
+
+    if update_signatures:
+        try:
+            updated, skipped = export_db_update_signatures(
+                export_db, export_dir, verbose, dry_run
+            )
+        except Exception as e:
+            print(f"[red]Error: {e}[/red]")
+            sys.exit(1)
+        else:
+            print(f"Done. Updated {updated} files, skipped {skipped} files.")
+            sys.exit(0)
+
+    if last_run:
+        try:
+            last_run_info = export_db_get_last_run(export_db)
+        except Exception as e:
+            print(f"[red]Error: {e}[/red]")
+            sys.exit(1)
+        else:
+            print(f"last run at {last_run_info[0]}:")
+            print(f"osxphotos {last_run_info[1]}")
+            sys.exit(0)
+
+    if save_config:
+        try:
+            export_db_save_config_to_file(export_db, save_config)
+        except Exception as e:
+            print(f"[red]Error: {e}[/red]")
+            sys.exit(1)
+        else:
+            print(f"Saved configuration to {save_config}")
+            sys.exit(0)
+
+    if check_signatures:
+        try:
+            matched, notmatched, skipped = export_db_check_signatures(
+                export_db, export_dir, verbose=verbose
+            )
+        except Exception as e:
+            print(f"[red]Error: {e}[/red]")
+            sys.exit(1)
+        else:
+            print(
+                f"Done. Found {matched} matching signatures and {notmatched} signatures that don't match. Skipped {skipped} missing files."
+            )
+            sys.exit(0)
+
+    if touch_file:
+        try:
+            touched, not_touched, skipped = export_db_touch_files(
+                export_db, export_dir, verbose=verbose, dry_run=dry_run
+            )
+        except Exception as e:
+            print(f"[red]Error: {e}[/red]")
+            sys.exit(1)
+        else:
+            print(
+                f"Done. Touched {touched} files, skipped {not_touched} up to date files, skipped {skipped} missing files."
+            )
+            sys.exit(0)
+
+    if info:
+        exportdb = ExportDB(export_db, export_dir)
+        try:
+            info_rec = exportdb.get_file_record(info)
+        except Exception as e:
+            print(f"[red]Error: {e}[/red]")
+            sys.exit(1)
+        else:
+            if info_rec:
+                print(info_rec.asdict())
+            else:
+                print(f"[red]File '{info}' not found in export database[/red]")
+            sys.exit(0)
+
+    if migrate:
+        exportdb = ExportDB(export_db, export_dir)
+        upgraded = exportdb.was_upgraded
+        if upgraded:
+            print(
+                f"Migrated export database {export_db} from version {upgraded[0]} to {upgraded[1]}"
+            )
+        else:
+            print(f"Export database {export_db} is already at latest version {OSXPHOTOS_EXPORTDB_VERSION}")
+        sys.exit(0)
+
 def _query_options_from_kwargs(**kwargs) -> QueryOptions:
    """Validate query options and create a QueryOptions instance"""
    # sanity check input args
--- a/osxphotos/configoptions.py
+++ b/osxphotos/configoptions.py
@@ -134,18 +134,12 @@ class ConfigOptions:
            filename: full path to TOML file to write; filename will be overwritten if it exists
        """
        # todo: add overwrite and option to merge contents already in TOML file (under different [section] with new content)
-        data = {}
-        for attr in sorted(self._attrs.keys()):
-            val = getattr(self, attr)
-            if val in [False, ()]:
-                val = None
-            else:
-                val = list(val) if type(val) == tuple else val
-
-            data[attr] = val
-
        with open(filename, "w") as fd:
-            toml.dump({self._name: data}, fd)
+            toml.dump(self._get_toml_dict(), fd)
+
+    def write_to_str(self) -> str:
+        """Write self to TOML str"""
+        return toml.dumps(self._get_toml_dict())

    def load_from_file(self, filename, override=False):
        """Load options from a TOML file.
@@ -178,3 +172,17 @@ class ConfigOptions:

    def asdict(self):
        return {attr: getattr(self, attr) for attr in sorted(self._attrs.keys())}
+
+    def _get_toml_dict(self):
+        """Return dict for writing to TOML file"""
+        data = {}
+        for attr in sorted(self._attrs.keys()):
+            val = getattr(self, attr)
+            if val in [False, ()]:
+                val = None
+            else:
+                val = list(val) if type(val) == tuple else val
+
+            data[attr] = val
+
+        return {self._name: data}
--- a/osxphotos/export_db.py
+++ b/osxphotos/export_db.py
--- a/osxphotos/export_db_utils.py
+++ b/osxphotos/export_db_utils.py
@@ -0,0 +1,264 @@
+""" Utility functions for working with export_db """
+
+
+import pathlib
+import sqlite3
+from typing import Optional, Tuple, Union
+import datetime
+import os
+
+import toml
+from rich import print
+
+from ._constants import OSXPHOTOS_EXPORT_DB
+from ._version import __version__
+from .export_db import OSXPHOTOS_EXPORTDB_VERSION, ExportDB
+from .fileutil import FileUtil
+from .photosdb import PhotosDB
+
+__all__ = [
+    "export_db_check_signatures",
+    "export_db_get_last_run",
+    "export_db_get_version",
+    "export_db_save_config_to_file",
+    "export_db_touch_files",
+    "export_db_update_signatures",
+    "export_db_vacuum",
+]
+
+
+def isotime_from_ts(ts: int) -> str:
+    """Convert timestamp to ISO 8601 time string"""
+    return datetime.datetime.fromtimestamp(ts).isoformat()
+
+
+def export_db_get_version(
+    dbfile: Union[str, pathlib.Path]
+) -> Tuple[Optional[int], Optional[int]]:
+    """returns version from export database as tuple of (osxphotos version, export_db version)"""
+    conn = sqlite3.connect(str(dbfile))
+    c = conn.cursor()
+    row = c.execute(
+        "SELECT osxphotos, exportdb FROM version ORDER BY id DESC LIMIT 1;"
+    ).fetchone()
+    if row:
+        return (row[0], row[1])
+    return (None, None)
+
+
+def export_db_vacuum(dbfile: Union[str, pathlib.Path]) -> None:
+    """Vacuum export database"""
+    conn = sqlite3.connect(str(dbfile))
+    c = conn.cursor()
+    c.execute("VACUUM;")
+    conn.commit()
+
+
+def export_db_update_signatures(
+    dbfile: Union[str, pathlib.Path],
+    export_dir: Union[str, pathlib.Path],
+    verbose: bool = False,
+    dry_run: bool = False,
+) -> Tuple[int, int]:
+    """Update signatures for all files found in the export database to match what's on disk
+
+    Returns: tuple of (updated, skipped)
+    """
+    export_dir = pathlib.Path(export_dir)
+    fileutil = FileUtil
+    conn = sqlite3.connect(str(dbfile))
+    c = conn.cursor()
+    c.execute("SELECT filepath_normalized, filepath FROM export_data;")
+    rows = c.fetchall()
+    updated = 0
+    skipped = 0
+    for row in rows:
+        filepath_normalized = row[0]
+        filepath = row[1]
+        filepath = export_dir / filepath
+        if not os.path.exists(filepath):
+            skipped += 1
+            if verbose:
+                print(f"[dark_orange]Skipping missing file[/dark_orange]: '{filepath}'")
+            continue
+        updated += 1
+        file_sig = fileutil.file_sig(filepath)
+        if verbose:
+            print(f"[green]Updating signature for[/green]: '{filepath}'")
+        if not dry_run:
+            c.execute(
+                "UPDATE export_data SET dest_mode = ?, dest_size = ?, dest_mtime = ? WHERE filepath_normalized = ?;",
+                (file_sig[0], file_sig[1], file_sig[2], filepath_normalized),
+            )
+
+    if not dry_run:
+        conn.commit()
+
+    return (updated, skipped)
+
+
+def export_db_get_last_run(
+    export_db: Union[str, pathlib.Path]
+) -> Tuple[Optional[str], Optional[str]]:
+    """Get last run from export database"""
+    conn = sqlite3.connect(str(export_db))
+    c = conn.cursor()
+    row = c.execute(
+        "SELECT datetime, args FROM runs ORDER BY id DESC LIMIT 1;"
+    ).fetchone()
+    if row:
+        return row[0], row[1]
+    return None, None
+
+
+def export_db_save_config_to_file(
+    export_db: Union[str, pathlib.Path], config_file: Union[str, pathlib.Path]
+) -> None:
+    """Save export_db last run config to file"""
+    export_db = pathlib.Path(export_db)
+    config_file = pathlib.Path(config_file)
+    conn = sqlite3.connect(str(export_db))
+    c = conn.cursor()
+    row = c.execute("SELECT config FROM config ORDER BY id DESC LIMIT 1;").fetchone()
+    if not row:
+        return ValueError("No config found in export_db")
+    with config_file.open("w") as f:
+        f.write(row[0])
+
+
+def export_db_check_signatures(
+    dbfile: Union[str, pathlib.Path],
+    export_dir: Union[str, pathlib.Path],
+    verbose: bool = False,
+) -> Tuple[int, int, int]:
+    """Check signatures for all files found in the export database to verify what matches the on disk files
+
+    Returns: tuple of (updated, skipped)
+    """
+    export_dir = pathlib.Path(export_dir)
+    fileutil = FileUtil
+    conn = sqlite3.connect(str(dbfile))
+    c = conn.cursor()
+    c.execute("SELECT filepath_normalized, filepath FROM export_data;")
+    rows = c.fetchall()
+    exportdb = ExportDB(dbfile, export_dir)
+    matched = 0
+    notmatched = 0
+    skipped = 0
+    for row in rows:
+        filepath_normalized = row[0]
+        filepath = row[1]
+        filepath = export_dir / filepath
+        if not filepath.exists():
+            skipped += 1
+            if verbose:
+                print(f"[dark_orange]Skipping missing file[/dark_orange]: '{filepath}'")
+            continue
+        file_sig = fileutil.file_sig(filepath)
+        file_rec = exportdb.get_file_record(filepath)
+        if file_rec.dest_sig == file_sig:
+            matched += 1
+            if verbose:
+                print(f"[green]Signatures matched[/green]: '{filepath}'")
+        else:
+            notmatched += 1
+            if verbose:
+                print(f"[deep_pink3]Signatures do not match[/deep_pink3]: '{filepath}'")
+
+    return (matched, notmatched, skipped)
+
+
+def export_db_touch_files(
+    dbfile: Union[str, pathlib.Path],
+    export_dir: Union[str, pathlib.Path],
+    verbose: bool = False,
+    dry_run: bool = False,
+) -> Tuple[int, int, int]:
+    """Touch files on disk to match the Photos library created date
+
+    Returns: tuple of (touched, not_touched, skipped)
+    """
+    export_dir = pathlib.Path(export_dir)
+
+    # open and close exportdb to ensure it gets migrated
+    exportdb = ExportDB(dbfile, export_dir)
+    upgraded = exportdb.was_upgraded
+    if upgraded and verbose:
+        print(
+            f"Upgraded export database {dbfile} from version {upgraded[0]} to {upgraded[1]}"
+        )
+    exportdb.close()
+
+    conn = sqlite3.connect(str(dbfile))
+    c = conn.cursor()
+    # get most recent config
+    row = c.execute("SELECT config FROM config ORDER BY id DESC LIMIT 1;").fetchone()
+    if row:
+        config = toml.loads(row[0])
+        try:
+            photos_db_path = config["export"].get("db", None)
+        except KeyError:
+            photos_db_path = None
+    else:
+        # TODO: parse the runs table to get the last --db
+        # in the mean time, photos_db_path = None will use the default library
+        photos_db_path = None
+
+    verbose_ = print if verbose else lambda *args, **kwargs: None
+    photosdb = PhotosDB(dbfile=photos_db_path, verbose=verbose_)
+    exportdb = ExportDB(dbfile, export_dir)
+    c.execute(
+        "SELECT filepath_normalized, filepath, uuid, dest_mode, dest_size FROM export_data;"
+    )
+    rows = c.fetchall()
+    touched = 0
+    not_touched = 0
+    skipped = 0
+    for row in rows:
+        filepath_normalized = row[0]
+        filepath = row[1]
+        filepath = export_dir / filepath
+        uuid = row[2]
+        dest_mode = row[3]
+        dest_size = row[4]
+        if not filepath.exists():
+            skipped += 1
+            if verbose:
+                print(
+                    f"[dark_orange]Skipping missing file (not in export directory)[/dark_orange]: '{filepath}'"
+                )
+            continue
+
+        photo = photosdb.get_photo(uuid)
+        if not photo:
+            skipped += 1
+            if verbose:
+                print(
+                    f"[dark_orange]Skipping missing photo (did not find in Photos Library)[/dark_orange]: '{filepath}' ({uuid})"
+                )
+            continue
+
+        ts = int(photo.date.timestamp())
+        stat = os.stat(str(filepath))
+        mtime = stat.st_mtime
+        if mtime == ts:
+            not_touched += 1
+            if verbose:
+                print(
+                    f"[green]Skipping file (timestamp matches)[/green]: '{filepath}' [dodger_blue1]{isotime_from_ts(ts)} ({ts})[/dodger_blue1]"
+                )
+            continue
+
+        touched += 1
+        if verbose:
+            print(
+                f"[deep_pink3]Touching file[/deep_pink3]: '{filepath}' "
+                f"[dodger_blue1]{isotime_from_ts(mtime)} ({mtime}) -> {isotime_from_ts(ts)} ({ts})[/dodger_blue1]"
+            )
+
+        if not dry_run:
+            os.utime(str(filepath), (ts, ts))
+            rec = exportdb.get_file_record(filepath)
+            rec.dest_sig = (dest_mode, dest_size, ts)
+
+    return (touched, not_touched, skipped)
--- a/osxphotos/fileutil.py
+++ b/osxphotos/fileutil.py
@@ -143,7 +143,7 @@ class FileUtilMacOS(FileUtilABC):
    @classmethod
    def utime(cls, path, times):
        """Set the access and modified time of path."""
-        os.utime(path, times)
+        os.utime(path, times=times)

    @classmethod
    def cmp(cls, f1, f2, mtime1=None):
@@ -187,7 +187,7 @@ class FileUtilMacOS(FileUtilABC):

    @classmethod
    def file_sig(cls, f1):
-        """return os.stat signature for file f1"""
+        """return os.stat signature for file f1 as tuple of (mode, size, mtime)"""
        return cls._sig(os.stat(f1))

    @classmethod
--- a/osxphotos/photoexporter.py
+++ b/osxphotos/photoexporter.py
@@ -33,7 +33,7 @@ from ._constants import (
 from ._version import __version__
 from .datetime_utils import datetime_tz_to_utc
 from .exiftool import ExifTool, exiftool_can_write
-from .export_db import ExportDB_ABC, ExportDBNoOp
+from .export_db import ExportDB, ExportDBTemp
 from .fileutil import FileUtil
 from .photokit import (
    PHOTOS_VERSION_CURRENT,
@@ -81,7 +81,7 @@ class ExportOptions:
        exiftool_flags (list of str): optional list of flags to pass to exiftool when using exiftool option, e.g ["-m", "-F"]
        exiftool: (bool, default = False): if True, will use exiftool to write metadata to export file
        export_as_hardlink: (bool, default=False): if True, will hardlink files instead of copying them
-        export_db: (ExportDB_ABC): instance of a class that conforms to ExportDB_ABC with methods for getting/setting data related to exported files to compare update state
+        export_db: (ExportDB): instance of a class that conforms to ExportDB with methods for getting/setting data related to exported files to compare update state
        face_regions: (bool, default=True): if True, will export face regions
        fileutil: (FileUtilABC): class that conforms to FileUtilABC with various file utilities
        force_update: (bool, default=False): if True, will export photo if any metadata has changed but export otherwise would not be triggered (e.g. metadata changed but not using exiftool)
@@ -128,7 +128,7 @@ class ExportOptions:
    exiftool_flags: Optional[List] = None
    exiftool: bool = False
    export_as_hardlink: bool = False
-    export_db: Optional[ExportDB_ABC] = None
+    export_db: Optional[ExportDB] = None
    face_regions: bool = True
    fileutil: Optional[FileUtil] = None
    force_update: bool = False
@@ -164,6 +164,12 @@ class ExportOptions:
    def asdict(self):
        return asdict(self)

+    @property
+    def bit_flags(self):
+        """Return bit flags representing options that affect export"""
+        # currently only exiftool makes a difference
+        return self.exiftool << 1
+

 class StagedFiles:
    """Represents files staged for export"""
@@ -403,8 +409,8 @@ class PhotoExporter:
                "Cannot use export_as_hardlink with download_missing or use_photos_export"
            )

-        # when called from export(), won't get an export_db, so use no-op version
-        options.export_db = options.export_db or ExportDBNoOp()
+        # when called from export(), won't get an export_db, so use temp version
+        options.export_db = options.export_db or ExportDBTemp()

        # ensure there's a FileUtil class to use
        options.fileutil = options.fileutil or FileUtil
@@ -443,6 +449,7 @@ class PhotoExporter:

        # get the right destination path depending on options.update, etc.
        dest = self._get_dest_path(src, dest, options)
+
        self._render_options.filepath = str(dest)
        all_results = ExportResults()

@@ -545,23 +552,20 @@ class PhotoExporter:

        all_results += self._write_sidecar_files(dest=dest, options=options)

-        if options.touch_file:
-            all_results += self._touch_files(all_results, options)
-
        return all_results

-    def _touch_files(
-        self, results: ExportResults, options: ExportOptions
-    ) -> ExportResults:
-        """touch file date/time to match photo creation date/time"""
+    def _touch_files(self, touch_files: List, options: ExportOptions) -> ExportResults:
+        """touch file date/time to match photo creation date/time; only touches files if needed"""
        fileutil = options.fileutil
-        touch_files = set(results.to_touch)
-        touch_results = ExportResults()
-        for touch_file in touch_files:
+        touch_results = []
+        for touch_file in set(touch_files):
            ts = int(self.photo.date.timestamp())
-            fileutil.utime(touch_file, (ts, ts))
-            touch_results.touched.append(touch_file)
-        return touch_results
+            stat = os.stat(touch_file)
+            if stat.st_mtime != ts:
+                if not options.dry_run:
+                    fileutil.utime(touch_file, (ts, ts))
+                touch_results.append(touch_file)
+        return ExportResults(touched=touch_results)

    def _get_edited_filename(self, original_filename):
        """Return the filename for the exported edited photo
@@ -610,21 +614,11 @@ class PhotoExporter:
        ):
            return pathlib.Path(increment_filename(dest))

-        # if update and file exists, need to check to see if it's the write file by checking export db
+        # if update and file exists, need to check to see if it's the right file by checking export db
        if (options.update or options.force_update) and dest.exists() and src:
            export_db = options.export_db
-            fileutil = options.fileutil
            # destination exists, check to see if destination is the right UUID
            dest_uuid = export_db.get_uuid_for_file(dest)
-            if dest_uuid is None and fileutil.cmp(src, dest):
-                # might be exporting into a pre-ExportDB folder or the DB got deleted
-                dest_uuid = self.photo.uuid
-                export_db.set_data(
-                    filename=dest,
-                    uuid=self.photo.uuid,
-                    orig_stat=fileutil.file_sig(dest),
-                    info_json=self.photo.json(),
-                )
            if dest_uuid != self.photo.uuid:
                # not the right file, find the right one
                # find files that match "dest_name (*.ext" (e.g. "dest_name (1).jpg", "dest_name (2).jpg)", ...)
@@ -639,16 +633,6 @@ class PhotoExporter:
                    if dest_uuid == self.photo.uuid:
                        dest = pathlib.Path(file_)
                        break
-                    elif dest_uuid is None and fileutil.cmp(src, file_):
-                        # files match, update the UUID
-                        dest = pathlib.Path(file_)
-                        export_db.set_data(
-                            filename=dest,
-                            uuid=self.photo.uuid,
-                            orig_stat=fileutil.file_sig(dest),
-                            info_json=self.photo.json(),
-                        )
-                        break
                else:
                    # increment the destination file
                    dest = pathlib.Path(increment_filename(dest))
@@ -656,6 +640,57 @@ class PhotoExporter:
        # either dest was updated in the if clause above or not updated at all
        return dest

+    def _should_update_photo(
+        self, src: pathlib.Path, dest: pathlib.Path, options: ExportOptions
+    ) -> bool:
+        """Return True if photo should be updated, else False"""
+        export_db = options.export_db
+        fileutil = options.fileutil
+
+        file_record = export_db.get_file_record(dest)
+
+        if not file_record:
+            # photo doesn't exist in database, should update
+            return True
+
+        if options.export_as_hardlink and not dest.samefile(src):
+            # different files, should update
+            return True
+
+        if not options.export_as_hardlink and dest.samefile(src):
+            # same file but not exporting as hardlink, should update
+            return True
+
+        if not options.ignore_signature and not fileutil.cmp_file_sig(
+            dest, file_record.dest_sig
+        ):
+            # destination file doesn't match what was last exported
+            return True
+
+        if file_record.export_options != options.bit_flags:
+            # exporting with different set of options (e.g. exiftool), should update
+            # need to check this before exiftool in case exiftool options are different 
+            # and export database is missing; this will always be True if database is missing 
+            # as it'll be None and bit_flags will be an int
+            return True
+
+        if options.exiftool:
+            current_exifdata = self._exiftool_json_sidecar(options=options)
+            return current_exifdata != file_record.exifdata
+
+        if options.edited and not fileutil.cmp_file_sig(src, file_record.src_sig):
+            # edited file in Photos doesn't match what was last exported
+            return True
+
+        if options.force_update:
+            current_digest = hexdigest(self.photo.json())
+            if current_digest != file_record.digest:
+                # metadata in Photos changed, force update
+                return True
+
+        # photo should not be updated
+        return False
+
    def _stage_photos_for_export(self, options: ExportOptions) -> StagedFiles:
        """Stages photos for export

@@ -989,11 +1024,8 @@ class PhotoExporter:
        update_updated_files = []
        update_new_files = []
        update_skipped_files = []  # skip files that are already up to date
-        touched_files = []
        converted_to_jpeg_files = []
        exif_results = ExportResults()
-        converted_stat = None
-        edited_stat = None

        dest_str = str(dest)
        dest_exists = dest.exists()
@@ -1002,98 +1034,25 @@ class PhotoExporter:
        export_db = options.export_db

        if options.update or options.force_update:  # updating
-            cmp_touch, cmp_orig = False, False
            if dest_exists:
-                # update, destination exists, but we might not need to replace it...
-                if options.exiftool:
-                    sig_exif = export_db.get_stat_exif_for_file(dest_str)
-                    cmp_orig = fileutil.cmp_file_sig(dest_str, sig_exif)
-                    if cmp_orig:
-                        # if signatures match also need to compare exifdata to see if metadata changed
-                        cmp_orig = not self._should_run_exiftool(dest_str, options)
-                    sig_exif = (
-                        sig_exif[0],
-                        sig_exif[1],
-                        int(self.photo.date.timestamp()),
-                    )
-                    cmp_touch = fileutil.cmp_file_sig(dest_str, sig_exif)
-                elif options.convert_to_jpeg:
-                    sig_converted = export_db.get_stat_converted_for_file(dest_str)
-                    cmp_orig = fileutil.cmp_file_sig(dest_str, sig_converted)
-                    sig_converted = (
-                        sig_converted[0],
-                        sig_converted[1],
-                        int(self.photo.date.timestamp()),
-                    )
-                    cmp_touch = fileutil.cmp_file_sig(dest_str, sig_converted)
-                else:
-                    cmp_orig = options.ignore_signature or fileutil.cmp(src, dest)
-                    cmp_touch = fileutil.cmp(
-                        src, dest, mtime1=int(self.photo.date.timestamp())
-                    )
-                    if options.force_update:
-                        # need to also check the photo's metadata to that in the database
-                        # and if anything changed, we need to update the file
-                        # ony the hex digest of the metadata is stored in the database
-                        photo_digest = hexdigest(self.photo.json())
-                        db_digest = export_db.get_metadata_for_file(dest_str)
-                        cmp_orig = photo_digest == db_digest
-
-                sig_cmp = cmp_touch if options.touch_file else cmp_orig
-
-                if options.edited:
-                    # requested edited version of photo
-                    # need to see if edited version in Photos library has changed
-                    # (e.g. it's been edited again)
-                    sig_edited = export_db.get_stat_edited_for_file(dest_str)
-                    cmp_edited = (
-                        fileutil.cmp_file_sig(src, sig_edited)
-                        if sig_edited != (None, None, None)
-                        else False
-                    )
-                    sig_cmp = sig_cmp and (options.force_update or cmp_edited)
-
-                if (options.export_as_hardlink and dest.samefile(src)) or (
-                    not options.export_as_hardlink
-                    and not dest.samefile(src)
-                    and sig_cmp
-                ):
-                    # destination exists and signatures match, skip it
-                    update_skipped_files.append(dest_str)
-                elif options.touch_file and cmp_orig and not cmp_touch:
-                    # destination exists, signature matches original but does not match expected touch time
-                    # skip exporting but update touch time
-                    update_skipped_files.append(dest_str)
-                    touched_files.append(dest_str)
-                elif not options.touch_file and cmp_touch and not cmp_orig:
-                    # destination exists, signature matches expected touch but not original
-                    # user likely exported with touch_file and is now exporting without touch_file
-                    # don't update the file because it's same but leave touch time
-                    update_skipped_files.append(dest_str)
-                else:
-                    # destination exists but is different
+                if self._should_update_photo(src, dest, options):
                    update_updated_files.append(dest_str)
-                    if options.touch_file:
-                        touched_files.append(dest_str)
+                else:
+                    update_skipped_files.append(dest_str)
            else:
                # update, destination doesn't exist (new file)
                update_new_files.append(dest_str)
-                if options.touch_file:
-                    touched_files.append(dest_str)
        else:
            # not update, export the file
            exported_files.append(dest_str)
-            if options.touch_file:
-                sig = fileutil.file_sig(src)
-                sig = (sig[0], sig[1], int(self.photo.date.timestamp()))
-                if not fileutil.cmp_file_sig(src, sig):
-                    touched_files.append(dest_str)

-        if not update_skipped_files:
-            # have file to export
-            edited_stat = (
-                fileutil.file_sig(src) if options.edited else (None, None, None)
+        export_files = update_new_files + update_updated_files + exported_files
+        for export_dest in export_files:
+            # set src_sig before any modifications by convert_to_jpeg or exiftool
+            export_record = export_db.create_or_get_file_record(
+                export_dest, self.photo.uuid
            )
+            export_record.src_sig = fileutil.file_sig(src)
            if dest_exists and any(
                [options.overwrite, options.update, options.force_update]
            ):
@@ -1123,7 +1082,6 @@ class PhotoExporter:
                        src, tmp_file, compression_quality=options.jpeg_quality
                    )
                    src = tmp_file
-                    converted_stat = fileutil.file_sig(tmp_file)
                    converted_to_jpeg_files.append(dest_str)

                if options.exiftool:
@@ -1139,20 +1097,7 @@ class PhotoExporter:
                        f"Error copying file {src} to {dest_str}: {e} ({lineno(__file__)})"
                    ) from e

-        json_info = self.photo.json()
-        # don't set the metadata digest if not force_update so that future use of force_update catches metadata change
-        metadata_digest = hexdigest(json_info) if options.force_update else None
-        export_db.set_data(
-            filename=dest_str,
-            uuid=self.photo.uuid,
-            orig_stat=fileutil.file_sig(dest_str),
-            converted_stat=converted_stat,
-            edited_stat=edited_stat,
-            info_json=json_info,
-            metadata=metadata_digest,
-        )
-
-        return ExportResults(
+        results = ExportResults(
            converted_to_jpeg=converted_to_jpeg_files,
            error=exif_results.error,
            exif_updated=exif_results.exif_updated,
@@ -1161,10 +1106,34 @@ class PhotoExporter:
            exported=exported_files + update_new_files + update_updated_files,
            new=update_new_files,
            skipped=update_skipped_files,
-            to_touch=touched_files,
            updated=update_updated_files,
        )

+        # touch files if needed
+        if options.touch_file:
+            results += self._touch_files(
+                exported_files
+                + update_new_files
+                + update_updated_files
+                + update_skipped_files,
+                options,
+            )
+
+        # set data in the database
+        with export_db.create_or_get_file_record(dest_str, self.photo.uuid) as rec:
+            photoinfo = self.photo.json()
+            rec.photoinfo = photoinfo
+            rec.export_options = options.bit_flags
+            # don't set src_sig as that is set above before any modifications by convert_to_jpeg or exiftool
+            if not options.ignore_signature:
+                rec.dest_sig = fileutil.file_sig(dest)
+            if options.exiftool:
+                rec.exifdata = self._exiftool_json_sidecar(options)
+            if options.force_update:
+                rec.digest = hexdigest(photoinfo)
+
+        return results
+
    def _write_sidecar_files(
        self,
        dest: pathlib.Path,
@@ -1245,8 +1214,8 @@ class PhotoExporter:
            sidecar_type = data[4]

            sidecar_digest = hexdigest(sidecar_str)
-            old_sidecar_digest, sidecar_sig = export_db.get_sidecar_for_file(
-                sidecar_filename
+            sidecar_record = export_db.create_or_get_file_record(
+                sidecar_filename, self.photo.uuid
            )
            write_sidecar = (
                not (options.update or options.force_update)
@@ -1256,8 +1225,10 @@ class PhotoExporter:
                )
                or (
                    (options.update or options.force_update)
-                    and (sidecar_digest != old_sidecar_digest)
-                    or not fileutil.cmp_file_sig(sidecar_filename, sidecar_sig)
+                    and (sidecar_digest != sidecar_record.digest)
+                    or not fileutil.cmp_file_sig(
+                        sidecar_filename, sidecar_record.dest_sig
+                    )
                )
            )
            if write_sidecar:
@@ -1265,16 +1236,13 @@ class PhotoExporter:
                files_written.append(str(sidecar_filename))
                if not options.dry_run:
                    self._write_sidecar(sidecar_filename, sidecar_str)
-                    export_db.set_sidecar_for_file(
-                        sidecar_filename,
-                        sidecar_digest,
-                        fileutil.file_sig(sidecar_filename),
-                    )
+                    sidecar_record.digest = sidecar_digest
+                    sidecar_record.dest_sig = fileutil.file_sig(sidecar_filename)
            else:
                verbose(f"Skipped up to date {sidecar_type} sidecar {sidecar_filename}")
                files_skipped.append(str(sidecar_filename))

-        return ExportResults(
+        results = ExportResults(
            sidecar_json_written=sidecar_json_files_written,
            sidecar_json_skipped=sidecar_json_files_skipped,
            sidecar_exiftool_written=sidecar_exiftool_files_written,
@@ -1283,6 +1251,26 @@ class PhotoExporter:
            sidecar_xmp_skipped=sidecar_xmp_files_skipped,
        )

+        if options.touch_file:
+            all_sidecars = (
+                sidecar_json_files_written
+                + sidecar_exiftool_files_written
+                + sidecar_xmp_files_written
+                + sidecar_json_files_skipped
+                + sidecar_exiftool_files_skipped
+                + sidecar_xmp_files_skipped
+            )
+            results += self._touch_files(all_sidecars, options)
+
+            # update destination signatures in database
+            for sidecar_filename in all_sidecars:
+                sidecar_record = export_db.create_or_get_file_record(
+                    sidecar_filename, self.photo.uuid
+                )
+                sidecar_record.dest_sig = fileutil.file_sig(sidecar_filename)
+
+        return results
+
    def _write_exif_metadata_to_file(
        self,
        src,
@@ -1297,10 +1285,7 @@ class PhotoExporter:
        local machine prior to being copied to the export destination which may be on a
        network drive or other slower external storage."""

-        export_db = options.export_db
-        fileutil = options.fileutil
        verbose = options.verbose or self._verbose
-
        exiftool_results = ExportResults()

        # don't try to write if unsupported file type for exiftool
@@ -1312,53 +1297,35 @@ class PhotoExporter:
                )
            )
            # set file signature so the file doesn't get re-exported with --update
-            export_db.set_data(
-                dest,
-                uuid=self.photo.uuid,
-                exif_stat=fileutil.file_sig(src),
-                exif_json=self._exiftool_json_sidecar(options=options),
-            )
            return exiftool_results

        # determine if we need to write the exif metadata
        # if we are not updating, we always write
        # else, need to check the database to determine if we need to write
-        run_exiftool = self._should_run_exiftool(dest, options)
-        if run_exiftool:
-            verbose(f"Writing metadata with exiftool for {pathlib.Path(dest).name}")
-            if not options.dry_run:
-                warning_, error_ = self._write_exif_data(src, options=options)
-                if warning_:
-                    exiftool_results.exiftool_warning.append((dest, warning_))
-                if error_:
-                    exiftool_results.exiftool_error.append((dest, error_))
-                    exiftool_results.error.append((dest, error_))
+        verbose(f"Writing metadata with exiftool for {pathlib.Path(dest).name}")
+        if not options.dry_run:
+            warning_, error_ = self._write_exif_data(src, options=options)
+            if warning_:
+                exiftool_results.exiftool_warning.append((dest, warning_))
+            if error_:
+                exiftool_results.exiftool_error.append((dest, error_))
+                exiftool_results.error.append((dest, error_))

-            export_db.set_data(
-                dest,
-                uuid=self.photo.uuid,
-                exif_stat=fileutil.file_sig(src),
-                exif_json=self._exiftool_json_sidecar(options=options),
-            )
-            exiftool_results.exif_updated.append(dest)
-            exiftool_results.to_touch.append(dest)
-        else:
-            verbose(
-                f"Skipped up to date exiftool metadata for {pathlib.Path(dest).name}"
-            )
+        exiftool_results.exif_updated.append(dest)
+        exiftool_results.to_touch.append(dest)
        return exiftool_results

    def _should_run_exiftool(self, dest, options: ExportOptions) -> bool:
        """Return True if exiftool should be run to update metadata"""
-        run_exiftool = not (options.update or options.force_update)
+        run_exiftool = not options.update and not options.force_update
        if options.update or options.force_update:
            files_are_different = False
-            old_data = options.export_db.get_exifdata_for_file(dest)
+            exif_record = options.export_db.get_file_record(dest)
+            old_data = exif_record.exifdata if exif_record else None
            if old_data is not None:
                old_data = json.loads(old_data)[0]
-                current_data = json.loads(self._exiftool_json_sidecar(options=options))[
-                    0
-                ]
+                current_data = json.loads(self._exiftool_json_sidecar(options=options))
+                current_data = current_data[0]
                if old_data != current_data:
                    files_are_different = True

--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -3,6 +3,7 @@
 import os
 import sqlite3
 import tempfile
+from tempfile import TemporaryDirectory

 import pytest
 from click.testing import CliRunner
@@ -675,6 +676,8 @@ CLI_EXIFTOOL_IGNORE_DATE_MODIFIED = {

 CLI_EXIFTOOL_ERROR = ["E2078879-A29C-4D6F-BACB-E3BBE6C3EB91"]

+CLI_NOT_REALLY_A_JPEG = "E2078879-A29C-4D6F-BACB-E3BBE6C3EB91"
+
 CLI_EXIFTOOL_DUPLICATE_KEYWORDS = {
    "E9BC5C36-7CD1-40A1-A72B-8B8FAC227D51": "wedding.jpg"
 }
@@ -4936,12 +4939,126 @@ def test_export_force_update():
            export, [os.path.join(cwd, photos_db_path), ".", "--force-update"]
        )
        assert result.exit_code == 0
+        print(result.output)
        assert (
            f"Processed: {PHOTOS_NOT_IN_TRASH_LEN_15_7} photos, exported: 0, updated: 0, skipped: {PHOTOS_NOT_IN_TRASH_LEN_15_7+PHOTOS_EDITED_15_7}, updated EXIF data: 0, missing: 3, error: 0"
            in result.output
        )


+@pytest.mark.skipif(exiftool is None, reason="exiftool not installed")
+def test_export_update_complex():
+    """test complex --update scenario, #630"""
+    import glob
+    import os
+    import os.path
+
+    import osxphotos
+    from osxphotos.cli import OSXPHOTOS_EXPORT_DB, export
+
+    runner = CliRunner()
+    cwd = os.getcwd()
+    # pylint: disable=not-context-manager
+    with runner.isolated_filesystem():
+        # basic export
+        result = runner.invoke(export, [os.path.join(cwd, CLI_PHOTOS_DB), ".", "-V"])
+        assert result.exit_code == 0
+        files = glob.glob("*")
+        assert sorted(files) == sorted(CLI_EXPORT_FILENAMES)
+        assert os.path.isfile(OSXPHOTOS_EXPORT_DB)
+
+        src = os.path.join(cwd, CLI_PHOTOS_DB)
+        dest = os.path.join(os.getcwd(), "export_complex_update.photoslibrary")
+        photos_db_path = copy_photos_library_to_path(src, dest)
+
+        tempdir = TemporaryDirectory()
+
+        options = [
+            "--verbose",
+            "--update",
+            "--cleanup",
+            "--directory",
+            "{created.year}/{created.month}",
+            "--description-template",
+            "Album:{album,}{newline}Description:{descr,}",
+            "--exiftool",
+            "--exiftool-merge-keywords",
+            "--exiftool-merge-persons",
+            "--keyword-template",
+            "{keyword}",
+            "--not-hidden",
+            "--retry",
+            "2",
+            "--skip-original-if-edited",
+            "--timestamp",
+            "--strip",
+            "--skip-uuid",
+            CLI_NOT_REALLY_A_JPEG,
+        ]
+        # update
+        result = runner.invoke(
+            export, [os.path.join(cwd, photos_db_path), tempdir.name, *options]
+        )
+        assert result.exit_code == 0
+        assert (
+            f"exported: {PHOTOS_NOT_IN_TRASH_LEN_15_7-1}, updated: 0, skipped: 0, updated EXIF data: {PHOTOS_NOT_IN_TRASH_LEN_15_7-1}"
+            in result.output
+        )
+
+        result = runner.invoke(
+            export, [os.path.join(cwd, photos_db_path), tempdir.name, *options]
+        )
+        assert result.exit_code == 0
+        assert "exported: 0" in result.output
+
+        # update a file
+        dbpath = os.path.join(photos_db_path, "database/Photos.sqlite")
+        try:
+            conn = sqlite3.connect(dbpath)
+            c = conn.cursor()
+        except sqlite3.Error as e:
+            pytest.exit(f"An error occurred opening sqlite file")
+
+        # photo is IMG_4547.jpg
+        c.execute(
+            "UPDATE ZADDITIONALASSETATTRIBUTES SET Z_OPT=9, ZTITLE='My Updated Title' WHERE Z_PK=8;"
+        )
+        conn.commit()
+
+        # run --update to see if updated metadata forced update
+        result = runner.invoke(
+            export, [os.path.join(cwd, photos_db_path), tempdir.name, *options]
+        )
+        assert result.exit_code == 0
+        assert (
+            f"exported: 0, updated: 1, skipped: {PHOTOS_NOT_IN_TRASH_LEN_15_7-2}, updated EXIF data: 1"
+            in result.output
+        )
+
+        # update, nothing should export
+        result = runner.invoke(
+            export, [os.path.join(cwd, photos_db_path), tempdir.name, *options]
+        )
+        assert result.exit_code == 0
+        assert (
+            f"exported: 0, updated: 0, skipped: {PHOTOS_NOT_IN_TRASH_LEN_15_7-1}, updated EXIF data: 0"
+            in result.output
+        )
+
+        # change the template and run again
+        options.extend(["--keyword-template", "FOO"])
+
+        # run update and all photos should be updated
+        result = runner.invoke(
+            export, [os.path.join(cwd, photos_db_path), tempdir.name, *options]
+        )
+        assert result.exit_code == 0
+        assert (
+            f"exported: 0, updated: {PHOTOS_NOT_IN_TRASH_LEN_15_7-1}, skipped: 0, updated EXIF data: {PHOTOS_NOT_IN_TRASH_LEN_15_7-1}"
+            in result.output
+        )
+
+
@pytest.mark.skipif(
    "OSXPHOTOS_TEST_EXPORT" not in os.environ,
    reason="Skip if not running on author's personal library.",
@@ -5266,17 +5383,14 @@ def test_export_update_no_db():
        assert os.path.isfile(OSXPHOTOS_EXPORT_DB)
        os.unlink(OSXPHOTOS_EXPORT_DB)

-        # update
+        # update, will re-export all files with different names
        result = runner.invoke(
            export, [os.path.join(cwd, CLI_PHOTOS_DB), ".", "--update"]
        )
        assert result.exit_code == 0

-        # unedited files will be skipped because their signatures will compare but
-        # edited files will be re-exported because there won't be an edited signature
-        # in the database
        assert (
-            f"Processed: {PHOTOS_NOT_IN_TRASH_LEN_15_7} photos, exported: 0, updated: {PHOTOS_EDITED_15_7}, skipped: {PHOTOS_NOT_IN_TRASH_LEN_15_7}, updated EXIF data: 0, missing: 3, error: 0"
+            f"Processed: {PHOTOS_NOT_IN_TRASH_LEN_15_7} photos, exported: {PHOTOS_NOT_IN_TRASH_LEN_15_7+PHOTOS_EDITED_15_7}, updated: 0"
            in result.output
        )
        assert os.path.isfile(OSXPHOTOS_EXPORT_DB)
@@ -5590,7 +5704,7 @@ def test_export_touch_files_update():

        # touch one file and run update again
        ts = time.time()
-        os.utime(CLI_EXPORT_BY_DATE[0], (ts, ts))
+        os.utime(CLI_EXPORT_BY_DATE_NEED_TOUCH[1], (ts, ts))

        result = runner.invoke(
            export,
@@ -5922,7 +6036,12 @@ def test_export_ignore_signature_sidecar():
        # should result in a new sidecar being exported but not the image itself
        exportdb = osxphotos.export_db.ExportDB("./.osxphotos_export.db", ".")
        for filename in CLI_EXPORT_IGNORE_SIGNATURE_FILENAMES:
-            exportdb.set_sidecar_for_file(f"{filename}.xmp", "FOO", (0, 1, 2))
+            record = exportdb.get_file_record(filename)
+            sidecar_record = exportdb.create_or_get_file_record(
+                f"{filename}.xmp", record.uuid
+            )
+            sidecar_record.dest_sig = (0, 1, 2)
+            sidecar_record.digest = "FOO"

        result = runner.invoke(
            export,
@@ -6426,7 +6545,7 @@ def test_save_load_config():
            ],
        )
        assert result.exit_code == 0
-        assert "Saving options to file" in result.output
+        assert "Saving options to config file" in result.output
        files = glob.glob("*")
        assert "config.toml" in files

@@ -6462,7 +6581,7 @@ def test_save_load_config():
            ],
        )
        assert result.exit_code == 0
-        assert "Saving options to file" in result.output
+        assert "Saving options to config file" in result.output
        files = glob.glob("*")
        assert "config.toml" in files

@@ -6499,6 +6618,41 @@ def test_save_load_config():
        assert "Writing XMP sidecar" not in result.output


+def test_config_only():
+    """test --save-config, --config-only"""
+    import glob
+    import os
+    import os.path
+
+    from osxphotos.cli import export
+
+    runner = CliRunner()
+    cwd = os.getcwd()
+    # pylint: disable=not-context-manager
+    with runner.isolated_filesystem():
+        # test save config file
+        result = runner.invoke(
+            export,
+            [
+                os.path.join(cwd, CLI_PHOTOS_DB),
+                ".",
+                "-V",
+                "--sidecar",
+                "XMP",
+                "--touch-file",
+                "--update",
+                "--save-config",
+                "config.toml",
+                "--config-only",
+            ],
+        )
+        assert result.exit_code == 0
+        assert "Saved config file" in result.output
+        assert "Processed:" not in result.output
+        files = glob.glob("*")
+        assert "config.toml" in files
+
+
 def test_export_exportdb():
    """test --exportdb"""
    import glob
--- a/tests/test_export_db.py
+++ b/tests/test_export_db.py
@@ -1,26 +1,36 @@
 """ Test ExportDB """

-import json
+import os
+import pathlib
+import sqlite3
+import tempfile

 import pytest

+from osxphotos._version import __version__
+from osxphotos.export_db import (
+    OSXPHOTOS_EXPORTDB_VERSION,
+    ExportDB,
+    ExportDBInMemory,
+    ExportDBTemp,
+    ExportRecord,
+)
+from osxphotos.export_db_utils import export_db_get_version
+
 EXIF_DATA = """[{"_CreatedBy": "osxphotos, https://github.com/RhetTbull/osxphotos", "EXIF:ImageDescription": "\u2068Elder Park\u2069, \u2068Adelaide\u2069, \u2068Australia\u2069", "XMP:Description": "\u2068Elder Park\u2069, \u2068Adelaide\u2069, \u2068Australia\u2069", "XMP:Title": "Elder Park", "EXIF:GPSLatitude": "34 deg 55' 8.01\" S", "EXIF:GPSLongitude": "138 deg 35' 48.70\" E", "Composite:GPSPosition": "34 deg 55' 8.01\" S, 138 deg 35' 48.70\" E", "EXIF:GPSLatitudeRef": "South", "EXIF:GPSLongitudeRef": "East", "EXIF:DateTimeOriginal": "2017:06:20 17:18:56", "EXIF:OffsetTimeOriginal": "+09:30", "EXIF:ModifyDate": "2020:05:18 14:42:04"}]"""
 INFO_DATA = """{"uuid": "3DD2C897-F19E-4CA6-8C22-B027D5A71907", "filename": "3DD2C897-F19E-4CA6-8C22-B027D5A71907.jpeg", "original_filename": "IMG_4547.jpg", "date": "2017-06-20T17:18:56.518000+09:30", "description": "\u2068Elder Park\u2069, \u2068Adelaide\u2069, \u2068Australia\u2069", "title": "Elder Park", "keywords": [], "labels": ["Statue", "Art"], "albums": ["AlbumInFolder"], "folders": {"AlbumInFolder": ["Folder1", "SubFolder2"]}, "persons": [], "path": "/Users/rhet/Pictures/Test-10.15.4.photoslibrary/originals/3/3DD2C897-F19E-4CA6-8C22-B027D5A71907.jpeg", "ismissing": false, "hasadjustments": true, "external_edit": false, "favorite": false, "hidden": false, "latitude": -34.91889167000001, "longitude": 138.59686167, "path_edited": "/Users/rhet/Pictures/Test-10.15.4.photoslibrary/resources/renders/3/3DD2C897-F19E-4CA6-8C22-B027D5A71907_1_201_a.jpeg", "shared": false, "isphoto": true, "ismovie": false, "uti": "public.jpeg", "burst": false, "live_photo": false, "path_live_photo": null, "iscloudasset": false, "incloud": null, "date_modified": "2020-05-18T14:42:04.608664+09:30", "portrait": false, "screenshot": false, "slow_mo": false, "time_lapse": false, "hdr": false, "selfie": false, "panorama": false, "has_raw": false, "uti_raw": null, "path_raw": null, "place": {"name": "Elder Park, Adelaide, South Australia, Australia, River Torrens", "names": {"field0": [], "country": ["Australia"], "state_province": ["South Australia"], "sub_administrative_area": ["Adelaide"], "city": ["Adelaide", "Adelaide"], "field5": [], "additional_city_info": ["Adelaide CBD", "Tarndanya"], "ocean": [], "area_of_interest": ["Elder Park", ""], "inland_water": ["River Torrens", "River Torrens"], "field10": [], "region": [], "sub_throughfare": [], "field13": [], "postal_code": [], "field15": [], "field16": [], "street_address": [], "body_of_water": ["River Torrens", "River Torrens"]}, "country_code": "AU", "ishome": false, "address_str": "River Torrens, Adelaide SA, Australia", "address": {"street": null, "sub_locality": "Tarndanya", "city": "Adelaide", "sub_administrative_area": "Adelaide", "state_province": "SA", "postal_code": null, "country": "Australia", "iso_country_code": "AU"}}, "exif": {"flash_fired": false, "iso": 320, "metering_mode": 3, "sample_rate": null, "track_format": null, "white_balance": 0, "aperture": 2.2, "bit_rate": null, "duration": null, "exposure_bias": 0.0, "focal_length": 4.15, "fps": null, "latitude": null, "longitude": null, "shutter_speed": 0.058823529411764705, "camera_make": "Apple", "camera_model": "iPhone 6s", "codec": null, "lens_model": "iPhone 6s back camera 4.15mm f/2.2"}}"""
 SIDECAR_DATA = """FOO_BAR"""
 METADATA_DATA = "FIZZ"
+DIGEST_DATA = "FIZZ"

 EXIF_DATA2 = """[{"_CreatedBy": "osxphotos, https://github.com/RhetTbull/osxphotos", "XMP:Title": "St. James's Park", "XMP:TagsList": ["London 2018", "St. James's Park", "England", "United Kingdom", "UK", "London"], "IPTC:Keywords": ["London 2018", "St. James's Park", "England", "United Kingdom", "UK", "London"], "XMP:Subject": ["London 2018", "St. James's Park", "England", "United Kingdom", "UK", "London"], "EXIF:GPSLatitude": "51 deg 30' 12.86\" N", "EXIF:GPSLongitude": "0 deg 7' 54.50\" W", "Composite:GPSPosition": "51 deg 30' 12.86\" N, 0 deg 7' 54.50\" W", "EXIF:GPSLatitudeRef": "North", "EXIF:GPSLongitudeRef": "West", "EXIF:DateTimeOriginal": "2018:10:13 09:18:12", "EXIF:OffsetTimeOriginal": "-04:00", "EXIF:ModifyDate": "2019:12:08 14:06:44"}]"""
 INFO_DATA2 = """{"uuid": "F2BB3F98-90F0-4E4C-A09B-25C6822A4529", "filename": "F2BB3F98-90F0-4E4C-A09B-25C6822A4529.jpeg", "original_filename": "IMG_8440.JPG", "date": "2019-06-11T11:42:06.711805-07:00", "description": null, "title": null, "keywords": [], "labels": ["Sky", "Cloudy", "Fence", "Land", "Outdoor", "Park", "Amusement Park", "Roller Coaster"], "albums": [], "folders": {}, "persons": [], "path": "/Volumes/MacBook Catalina - Data/Users/rhet/Pictures/Photos Library.photoslibrary/originals/F/F2BB3F98-90F0-4E4C-A09B-25C6822A4529.jpeg", "ismissing": false, "hasadjustments": false, "external_edit": false, "favorite": false, "hidden": false, "latitude": 33.81558666666667, "longitude": -117.99298, "path_edited": null, "shared": false, "isphoto": true, "ismovie": false, "uti": "public.jpeg", "burst": false, "live_photo": false, "path_live_photo": null, "iscloudasset": true, "incloud": true, "date_modified": "2019-10-14T00:51:47.141950-07:00", "portrait": false, "screenshot": false, "slow_mo": false, "time_lapse": false, "hdr": false, "selfie": false, "panorama": false, "has_raw": false, "uti_raw": null, "path_raw": null, "place": {"name": "Adventure City, Stanton, California, United States", "names": {"field0": [], "country": ["United States"], "state_province": ["California"], "sub_administrative_area": ["Orange"], "city": ["Stanton", "Anaheim", "Anaheim"], "field5": [], "additional_city_info": ["West Anaheim"], "ocean": [], "area_of_interest": ["Adventure City", "Adventure City"], "inland_water": [], "field10": [], "region": [], "sub_throughfare": [], "field13": [], "postal_code": [], "field15": [], "field16": [], "street_address": [], "body_of_water": []}, "country_code": "US", "ishome": false, "address_str": "Adventure City, 1240 S Beach Blvd, Anaheim, CA  92804, United States", "address": {"street": "1240 S Beach Blvd", "sub_locality": "West Anaheim", "city": "Stanton", "sub_administrative_area": "Orange", "state_province": "CA", "postal_code": "92804", "country": "United States", "iso_country_code": "US"}}, "exif": {"flash_fired": false, "iso": 25, "metering_mode": 5, "sample_rate": null, "track_format": null, "white_balance": 0, "aperture": 2.2, "bit_rate": null, "duration": null, "exposure_bias": 0.0, "focal_length": 4.15, "fps": null, "latitude": null, "longitude": null, "shutter_speed": 0.0004940711462450593, "camera_make": "Apple", "camera_model": "iPhone 6s", "codec": null, "lens_model": "iPhone 6s back camera 4.15mm f/2.2"}}"""
+DIGEST_DATA2 = "BUZZ"
 DATABASE_VERSION1 = "tests/export_db_version1.db"


 def test_export_db():
    """test ExportDB"""
-    import os
-    import tempfile
-
-    from osxphotos.export_db import OSXPHOTOS_EXPORTDB_VERSION, ExportDB
-
    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
    dbname = os.path.join(tempdir.name, ".osxphotos_export.db")
    db = ExportDB(dbname, tempdir.name)
@@ -32,104 +42,51 @@ def test_export_db():
    filepath = os.path.join(tempdir.name, "test.JPG")
    filepath_lower = os.path.join(tempdir.name, "test.jpg")

-    db.set_uuid_for_file(filepath, "FOO-BAR")
-    # filename should be case-insensitive
-    assert db.get_uuid_for_file(filepath_lower) == "FOO-BAR"
-    db.set_info_for_uuid("FOO-BAR", INFO_DATA)
-    assert db.get_info_for_uuid("FOO-BAR") == INFO_DATA
-    db.set_exifdata_for_file(filepath, EXIF_DATA)
-    assert db.get_exifdata_for_file(filepath) == EXIF_DATA
-    db.set_stat_orig_for_file(filepath, (1, 2, 3))
-    assert db.get_stat_orig_for_file(filepath) == (1, 2, 3)
-    db.set_stat_exif_for_file(filepath, (4, 5, 6))
-    assert db.get_stat_exif_for_file(filepath) == (4, 5, 6)
-    db.set_stat_edited_for_file(filepath, (10, 11, 12))
-    assert db.get_stat_edited_for_file(filepath) == (10, 11, 12)
-    db.set_stat_converted_for_file(filepath, (7, 8, 9))
-    assert db.get_stat_converted_for_file(filepath) == (7, 8, 9)
-    db.set_sidecar_for_file(filepath, SIDECAR_DATA, (13, 14, 15))
-    assert db.get_sidecar_for_file(filepath) == (SIDECAR_DATA, (13, 14, 15))
-    assert db.get_previous_uuids() == ["FOO-BAR"]
+    uuid = "FOOBAR"
+    assert db.get_photoinfo_for_uuid(uuid) is None
+    db.set_photoinfo_for_uuid(uuid, INFO_DATA)
+    assert db.get_photoinfo_for_uuid(uuid) == INFO_DATA

-    db.set_detected_text_for_uuid("FOO-BAR", json.dumps([["foo", 0.5]]))
-    assert json.loads(db.get_detected_text_for_uuid("FOO-BAR")) == [["foo", 0.5]]
+    assert db.get_uuid_for_file(filepath) is None
+    db.create_file_record(filepath, uuid)
+    assert db.get_uuid_for_file(filepath) == uuid

-    # test set_data which sets all at the same time
-    filepath2 = os.path.join(tempdir.name, "test2.jpg")
-    db.set_data(
-        filepath2,
-        "BAR-FOO",
-        (1, 2, 3),
-        (4, 5, 6),
-        (7, 8, 9),
-        (10, 11, 12),
-        INFO_DATA,
-        EXIF_DATA,
-        METADATA_DATA,
-    )
-    assert db.get_uuid_for_file(filepath2) == "BAR-FOO"
-    assert db.get_info_for_uuid("BAR-FOO") == INFO_DATA
-    assert db.get_exifdata_for_file(filepath2) == EXIF_DATA
-    assert db.get_stat_orig_for_file(filepath2) == (1, 2, 3)
-    assert db.get_stat_exif_for_file(filepath2) == (4, 5, 6)
-    assert db.get_stat_converted_for_file(filepath2) == (7, 8, 9)
-    assert db.get_stat_edited_for_file(filepath2) == (10, 11, 12)
-    assert sorted(db.get_previous_uuids()) == (["BAR-FOO", "FOO-BAR"])
-    assert db.get_metadata_for_file(filepath2) == METADATA_DATA
+    record = db.get_file_record(filepath)
+    assert record.uuid == uuid
+    assert record.photoinfo == INFO_DATA
+    assert record.filepath == pathlib.Path(filepath).name
+    assert record.filepath_normalized == pathlib.Path(filepath).name.lower()
+    assert record.src_sig == (None, None, None)
+    assert record.dest_sig == (None, None, None)
+    assert record.digest is None
+    assert record.exifdata is None
+    record.digest = DIGEST_DATA  # for next assert

-    # test set_data value=None doesn't overwrite existing data
-    db.set_data(
-        filepath2,
-        "BAR-FOO",
-        None,
-        None,
-        None,
-        None,
-        None,
-        None,
-        None,
-    )
-    assert db.get_uuid_for_file(filepath2) == "BAR-FOO"
-    assert db.get_info_for_uuid("BAR-FOO") == INFO_DATA
-    assert db.get_exifdata_for_file(filepath2) == EXIF_DATA
-    assert db.get_stat_orig_for_file(filepath2) == (1, 2, 3)
-    assert db.get_stat_exif_for_file(filepath2) == (4, 5, 6)
-    assert db.get_stat_converted_for_file(filepath2) == (7, 8, 9)
-    assert db.get_stat_edited_for_file(filepath2) == (10, 11, 12)
-    assert sorted(db.get_previous_uuids()) == (["BAR-FOO", "FOO-BAR"])
-    assert db.get_metadata_for_file(filepath2) == METADATA_DATA
+    # test create_or_get_file_record
+    # existing record
+    record2 = db.create_or_get_file_record(filepath, uuid)
+    assert record2.uuid == uuid
+    assert record.photoinfo == INFO_DATA
+    assert record.digest == DIGEST_DATA

-    # close and re-open
-    db.close()
-    db = ExportDB(dbname, tempdir.name)
-    assert not db.was_created
-    assert db.get_uuid_for_file(filepath2) == "BAR-FOO"
-    assert db.get_info_for_uuid("BAR-FOO") == INFO_DATA
-    assert db.get_exifdata_for_file(filepath2) == EXIF_DATA
-    assert db.get_stat_orig_for_file(filepath2) == (1, 2, 3)
-    assert db.get_stat_exif_for_file(filepath2) == (4, 5, 6)
-    assert db.get_stat_converted_for_file(filepath2) == (7, 8, 9)
-    assert db.get_stat_edited_for_file(filepath2) == (10, 11, 12)
-    assert sorted(db.get_previous_uuids()) == (["BAR-FOO", "FOO-BAR"])
-    assert json.loads(db.get_detected_text_for_uuid("FOO-BAR")) == [["foo", 0.5]]
-    assert db.get_metadata_for_file(filepath2) == METADATA_DATA
+    # new record
+    filepath3 = os.path.join(tempdir.name, "test3.JPG")
+    record3 = db.create_or_get_file_record(filepath3, "new_uuid")
+    assert record3.uuid == "new_uuid"
+    assert record3.photoinfo is None
+    assert record3.digest is None
+
+    # all uuids
+    uuids = db.get_previous_uuids()
+    assert sorted(uuids) == sorted(["new_uuid", uuid])


-    # update data
-    db.set_uuid_for_file(filepath, "FUBAR")
-    assert db.get_uuid_for_file(filepath) == "FUBAR"
-    assert sorted(db.get_previous_uuids()) == (["BAR-FOO", "FUBAR"])
-
-
-def test_export_db_no_op():
-    """test ExportDBNoOp"""
-    import os
-    import tempfile
-
-    from osxphotos.export_db import OSXPHOTOS_EXPORTDB_VERSION, ExportDBNoOp
-
+def test_export_db_constraints():
+    """test ExportDB constraints"""
    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
-    db = ExportDBNoOp()
+    dbname = os.path.join(tempdir.name, ".osxphotos_export.db")
+    db = ExportDB(dbname, tempdir.name)
+    assert os.path.isfile(dbname)
    assert db.was_created
    assert not db.was_upgraded
    assert db.version == OSXPHOTOS_EXPORTDB_VERSION
@@ -137,68 +94,28 @@ def test_export_db_no_op():
    filepath = os.path.join(tempdir.name, "test.JPG")
    filepath_lower = os.path.join(tempdir.name, "test.jpg")

-    db.set_uuid_for_file(filepath, "FOO-BAR")
-    # filename should be case-insensitive
-    assert db.get_uuid_for_file(filepath_lower) is None
-    db.set_info_for_uuid("FOO-BAR", INFO_DATA)
-    assert db.get_info_for_uuid("FOO-BAR") is None
-    db.set_exifdata_for_file(filepath, EXIF_DATA)
-    assert db.get_exifdata_for_file(filepath) is None
-    db.set_stat_orig_for_file(filepath, (1, 2, 3))
-    assert db.get_stat_orig_for_file(filepath) is None
-    db.set_stat_exif_for_file(filepath, (4, 5, 6))
-    assert db.get_stat_exif_for_file(filepath) is None
-    db.set_stat_converted_for_file(filepath, (7, 8, 9))
-    assert db.get_stat_converted_for_file(filepath) is None
-    db.set_stat_edited_for_file(filepath, (10, 11, 12))
-    assert db.get_stat_edited_for_file(filepath) is None
-    db.set_sidecar_for_file(filepath, SIDECAR_DATA, (13, 14, 15))
-    assert db.get_sidecar_for_file(filepath) == (None, (None, None, None))
-    assert db.get_previous_uuids() == []
-    db.set_detected_text_for_uuid("FOO-BAR", json.dumps([["foo", 0.5]]))
-    assert db.get_detected_text_for_uuid("FOO-BAR") is None
-    db.set_metadata_for_file(filepath, METADATA_DATA)
-    assert db.get_metadata_for_file(filepath) is None
+    uuid = "FOOBAR"
+    db.set_photoinfo_for_uuid(uuid, INFO_DATA)
+    record = db.create_file_record(filepath, uuid)
+    record.photoinfo = INFO_DATA
+    record.exifdata = EXIF_DATA
+    record.digest = DIGEST_DATA
+    record.src_sig = (7, 8, 9)
+    record.dest_sig = (10, 11, 12)

-    # test set_data which sets all at the same time
-    filepath2 = os.path.join(tempdir.name, "test2.jpg")
-    db.set_data(
-        filepath2,
-        "BAR-FOO",
-        (1, 2, 3),
-        (4, 5, 6),
-        (7, 8, 9),
-        (10, 11, 12),
-        INFO_DATA,
-        EXIF_DATA,
-        METADATA_DATA,
-    )
-    assert db.get_uuid_for_file(filepath2) is None
-    assert db.get_info_for_uuid("BAR-FOO") is None
-    assert db.get_exifdata_for_file(filepath2) is None
-    assert db.get_stat_orig_for_file(filepath2) is None
-    assert db.get_stat_exif_for_file(filepath2) is None
-    assert db.get_stat_converted_for_file(filepath) is None
-    assert db.get_stat_edited_for_file(filepath) is None
-    assert db.get_previous_uuids() == []
-    assert db.get_metadata_for_file(filepath) is None
+    with pytest.raises(AttributeError):
+        record.uuid = "BARFOO"

-    # update data
-    db.set_uuid_for_file(filepath, "FUBAR")
-    assert db.get_uuid_for_file(filepath) is None
+    with pytest.raises(sqlite3.IntegrityError):
+        record2 = db.create_file_record(filepath, "NEW_UUID")
+
+    with pytest.raises(AttributeError):
+        # verify we can't add new attributes
+        record.src_stats = (7, 8, 9)


 def test_export_db_in_memory():
    """test ExportDBInMemory"""
-    import os
-    import tempfile
-
-    from osxphotos.export_db import (
-        OSXPHOTOS_EXPORTDB_VERSION,
-        ExportDB,
-        ExportDBInMemory,
-    )
-
    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
    dbname = os.path.join(tempdir.name, ".osxphotos_export.db")
    db = ExportDB(dbname, tempdir.name)
@@ -207,87 +124,61 @@ def test_export_db_in_memory():
    filepath = os.path.join(tempdir.name, "test.JPG")
    filepath_lower = os.path.join(tempdir.name, "test.jpg")

-    db.set_uuid_for_file(filepath, "FOO-BAR")
-    db.set_info_for_uuid("FOO-BAR", INFO_DATA)
-    db.set_exifdata_for_file(filepath, EXIF_DATA)
-    db.set_stat_orig_for_file(filepath, (1, 2, 3))
-    db.set_stat_exif_for_file(filepath, (4, 5, 6))
-    db.set_stat_converted_for_file(filepath, (7, 8, 9))
-    db.set_stat_edited_for_file(filepath, (10, 11, 12))
-    db.set_sidecar_for_file(filepath, SIDECAR_DATA, (13, 14, 15))
-    assert db.get_previous_uuids() == ["FOO-BAR"]
-    db.set_detected_text_for_uuid("FOO-BAR", json.dumps([["foo", 0.5]]))
-    db.set_metadata_for_file(filepath, METADATA_DATA)
+    uuid = "FOOBAR"
+    record = db.create_file_record(filepath, uuid)
+    record.photoinfo = INFO_DATA
+    record.exifdata = EXIF_DATA
+    record.digest = DIGEST_DATA
+    record.src_sig = (7, 8, 9)
+    record.dest_sig = (10, 11, 12)
    db.close()

+    # create in memory version
    dbram = ExportDBInMemory(dbname, tempdir.name)
-    assert not dbram.was_created
-    assert not dbram.was_upgraded
-    assert dbram.version == OSXPHOTOS_EXPORTDB_VERSION
+    record2 = dbram.get_file_record(filepath)
+    assert record2.uuid == uuid
+    assert record2.photoinfo == INFO_DATA
+    assert record2.exifdata == EXIF_DATA
+    assert record2.digest == DIGEST_DATA
+    assert record2.src_sig == (7, 8, 9)
+    assert record2.dest_sig == (10, 11, 12)

-    # verify values as expected
-    assert dbram.get_uuid_for_file(filepath_lower) == "FOO-BAR"
-    assert dbram.get_info_for_uuid("FOO-BAR") == INFO_DATA
-    assert dbram.get_exifdata_for_file(filepath) == EXIF_DATA
-    assert dbram.get_stat_orig_for_file(filepath) == (1, 2, 3)
-    assert dbram.get_stat_exif_for_file(filepath) == (4, 5, 6)
-    assert dbram.get_stat_converted_for_file(filepath) == (7, 8, 9)
-    assert dbram.get_stat_edited_for_file(filepath) == (10, 11, 12)
-    assert dbram.get_sidecar_for_file(filepath) == (SIDECAR_DATA, (13, 14, 15))
-    assert dbram.get_previous_uuids() == ["FOO-BAR"]
-    assert json.loads(dbram.get_detected_text_for_uuid("FOO-BAR")) == [["foo", 0.5]]
-    assert dbram.get_metadata_for_file(filepath) == METADATA_DATA
+    # change some values
+    record2.photoinfo = INFO_DATA2
+    record2.exifdata = EXIF_DATA2
+    record2.digest = DIGEST_DATA2
+    record2.src_sig = (13, 14, 15)
+    record2.dest_sig = (16, 17, 18)

-    # change a value
-    dbram.set_uuid_for_file(filepath, "FUBAR")
-    dbram.set_info_for_uuid("FUBAR", INFO_DATA2)
-    dbram.set_exifdata_for_file(filepath, EXIF_DATA2)
-    dbram.set_stat_orig_for_file(filepath, (7, 8, 9))
-    dbram.set_stat_exif_for_file(filepath, (10, 11, 12))
-    dbram.set_stat_converted_for_file(filepath, (1, 2, 3))
-    dbram.set_stat_edited_for_file(filepath, (4, 5, 6))
-    dbram.set_sidecar_for_file(filepath, "FUBAR", (20, 21, 22))
-    dbram.set_detected_text_for_uuid("FUBAR", json.dumps([["bar", 0.5]]))
-    dbram.set_metadata_for_file(filepath, "FUBAR")
+    assert record2.photoinfo == INFO_DATA2
+    assert record2.exifdata == EXIF_DATA2
+    assert record2.digest == DIGEST_DATA2
+    assert record2.src_sig == (13, 14, 15)
+    assert record2.dest_sig == (16, 17, 18)

-    assert dbram.get_uuid_for_file(filepath_lower) == "FUBAR"
-    assert dbram.get_info_for_uuid("FUBAR") == INFO_DATA2
-    assert dbram.get_exifdata_for_file(filepath) == EXIF_DATA2
-    assert dbram.get_stat_orig_for_file(filepath) == (7, 8, 9)
-    assert dbram.get_stat_exif_for_file(filepath) == (10, 11, 12)
-    assert dbram.get_stat_converted_for_file(filepath) == (1, 2, 3)
-    assert dbram.get_stat_edited_for_file(filepath) == (4, 5, 6)
-    assert dbram.get_sidecar_for_file(filepath) == ("FUBAR", (20, 21, 22))
-    assert dbram.get_previous_uuids() == ["FUBAR"]
-    assert json.loads(dbram.get_detected_text_for_uuid("FUBAR")) == [["bar", 0.5]]
-    assert dbram.get_metadata_for_file(filepath) == "FUBAR"
+    # all uuids
+    uuids = dbram.get_previous_uuids()
+    assert uuids == [uuid]

    dbram.close()

-    # re-open on disk and verify no changes
+    # re-open original, assert no changes
    db = ExportDB(dbname, tempdir.name)
-    assert db.get_uuid_for_file(filepath_lower) == "FOO-BAR"
-    assert db.get_info_for_uuid("FOO-BAR") == INFO_DATA
-    assert db.get_exifdata_for_file(filepath) == EXIF_DATA
-    assert db.get_stat_orig_for_file(filepath) == (1, 2, 3)
-    assert db.get_stat_exif_for_file(filepath) == (4, 5, 6)
-    assert db.get_stat_converted_for_file(filepath) == (7, 8, 9)
-    assert db.get_stat_edited_for_file(filepath) == (10, 11, 12)
-    assert db.get_sidecar_for_file(filepath) == (SIDECAR_DATA, (13, 14, 15))
-    assert db.get_previous_uuids() == ["FOO-BAR"]
+    record = db.get_file_record(filepath)
+    assert record.uuid == uuid
+    assert record.photoinfo == INFO_DATA
+    assert record.exifdata == EXIF_DATA
+    assert record.digest == DIGEST_DATA
+    assert record.src_sig == (7, 8, 9)
+    assert record.dest_sig == (10, 11, 12)

-    assert db.get_info_for_uuid("FUBAR") is None
-    assert db.get_detected_text_for_uuid("FUBAR") is None
-    assert db.get_metadata_for_file(filepath) == METADATA_DATA
+    # all uuids
+    uuids = db.get_previous_uuids()
+    assert uuids == [uuid]


 def test_export_db_in_memory_nofile():
    """test ExportDBInMemory with no dbfile"""
-    import os
-    import tempfile
-
-    from osxphotos.export_db import OSXPHOTOS_EXPORTDB_VERSION, ExportDBInMemory
-
    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
    filepath = os.path.join(tempdir.name, "test.JPG")
    filepath_lower = os.path.join(tempdir.name, "test.jpg")
@@ -299,28 +190,187 @@ def test_export_db_in_memory_nofile():
    assert not dbram.was_upgraded
    assert dbram.version == OSXPHOTOS_EXPORTDB_VERSION

-    # change a value
-    dbram.set_uuid_for_file(filepath, "FUBAR")
-    dbram.set_info_for_uuid("FUBAR", INFO_DATA2)
-    dbram.set_exifdata_for_file(filepath, EXIF_DATA2)
-    dbram.set_stat_orig_for_file(filepath, (7, 8, 9))
-    dbram.set_stat_exif_for_file(filepath, (10, 11, 12))
-    dbram.set_stat_converted_for_file(filepath, (1, 2, 3))
-    dbram.set_stat_edited_for_file(filepath, (4, 5, 6))
-    dbram.set_sidecar_for_file(filepath, "FUBAR", (20, 21, 22))
-    dbram.set_detected_text_for_uuid("FUBAR", json.dumps([["bar", 0.5]]))
-    dbram.set_metadata_for_file(filepath, METADATA_DATA)
+    # set values
+    uuid = "FOOBAR"
+    record = dbram.create_file_record(filepath, uuid)
+    record.photoinfo = INFO_DATA
+    record.exifdata = EXIF_DATA
+    record.digest = DIGEST_DATA
+    record.src_sig = (7, 8, 9)
+    record.dest_sig = (10, 11, 12)

-    assert dbram.get_uuid_for_file(filepath_lower) == "FUBAR"
-    assert dbram.get_info_for_uuid("FUBAR") == INFO_DATA2
-    assert dbram.get_exifdata_for_file(filepath) == EXIF_DATA2
-    assert dbram.get_stat_orig_for_file(filepath) == (7, 8, 9)
-    assert dbram.get_stat_exif_for_file(filepath) == (10, 11, 12)
-    assert dbram.get_stat_converted_for_file(filepath) == (1, 2, 3)
-    assert dbram.get_stat_edited_for_file(filepath) == (4, 5, 6)
-    assert dbram.get_sidecar_for_file(filepath) == ("FUBAR", (20, 21, 22))
-    assert dbram.get_previous_uuids() == ["FUBAR"]
-    assert json.loads(dbram.get_detected_text_for_uuid("FUBAR")) == [["bar", 0.5]]
-    assert dbram.get_metadata_for_file(filepath) == METADATA_DATA
+    assert record.photoinfo == INFO_DATA
+    assert record.exifdata == EXIF_DATA
+    assert record.digest == DIGEST_DATA
+    assert record.src_sig == (7, 8, 9)
+    assert record.dest_sig == (10, 11, 12)
+    assert record.uuid == uuid
+
+    # change some values
+    record.photoinfo = INFO_DATA2
+    record.digest = DIGEST_DATA2
+    assert record.photoinfo == INFO_DATA2
+    assert record.digest == DIGEST_DATA2
+    assert record.exifdata == EXIF_DATA
+
+
+def test_export_db_temp():
+    """test ExportDBTemp"""
+    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
+    filepath = os.path.join(tempdir.name, "test.JPG")
+    filepath_lower = os.path.join(tempdir.name, "test.jpg")
+
+    dbram = ExportDBTemp()
+    assert dbram.was_created
+    assert not dbram.was_upgraded
+    assert dbram.version == OSXPHOTOS_EXPORTDB_VERSION
+
+    # set values
+    uuid = "FOOBAR"
+    record = dbram.create_file_record(filepath, uuid)
+    record.photoinfo = INFO_DATA
+    record.exifdata = EXIF_DATA
+    record.digest = DIGEST_DATA
+    record.src_sig = (7, 8, 9)
+    record.dest_sig = (10, 11, 12)
+
+    assert record.photoinfo == INFO_DATA
+    assert record.exifdata == EXIF_DATA
+    assert record.digest == DIGEST_DATA
+    assert record.src_sig == (7, 8, 9)
+    assert record.dest_sig == (10, 11, 12)
+    assert record.uuid == uuid
+
+    # change some values
+    record.photoinfo = INFO_DATA2
+    record.digest = DIGEST_DATA2
+    assert record.photoinfo == INFO_DATA2
+    assert record.digest == DIGEST_DATA2
+    assert record.exifdata == EXIF_DATA

    dbram.close()
+
+
+def test_export_record():
+    """Test ExportRecord"""
+    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
+    filepath = os.path.join(tempdir.name, "test.JPG")
+    uuid = "FOOBAR"
+    dbname = os.path.join(tempdir.name, ".osxphotos_export.db")
+    db = ExportDB(dbname, tempdir.name)
+
+    assert db.get_file_record(filepath) is None
+    record = db.create_file_record(filepath, uuid)
+    assert record.uuid == uuid
+    assert record.filepath == pathlib.Path(filepath).name
+    assert record.filepath_normalized == pathlib.Path(filepath).name.lower()
+    record.src_sig = (1, 2, 3.0)
+    assert record.src_sig == (1, 2, 3)
+    record.dest_sig = (4, 5, 6.0)
+    assert record.dest_sig == (4, 5, 6)
+    record.digest = DIGEST_DATA
+    assert record.digest == DIGEST_DATA
+    record.exifdata = EXIF_DATA
+    assert record.exifdata == EXIF_DATA
+    record.photoinfo = INFO_DATA
+    assert record.photoinfo == INFO_DATA
+    record.export_options = 1
+    assert record.export_options == 1
+
+    # close and re-open
+    db.close()
+    db2 = ExportDB(dbname, tempdir.name)
+    record = db2.get_file_record(filepath)
+    assert record.uuid == uuid
+    assert record.filepath == pathlib.Path(filepath).name
+    assert record.filepath_normalized == pathlib.Path(filepath).name.lower()
+    assert record.src_sig == (1, 2, 3)
+    assert record.dest_sig == (4, 5, 6)
+    assert record.digest == "FIZZ"
+    assert record.exifdata == EXIF_DATA
+    assert record.photoinfo == INFO_DATA
+    assert record.export_options == 1
+
+
+def test_export_record_context_manager():
+    """Test ExportRecord as context manager"""
+    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
+    filepath = os.path.join(tempdir.name, "test.JPG")
+    uuid = "FOOBAR_CONTEXT"
+    dbname = os.path.join(tempdir.name, ".osxphotos_export.db")
+    db = ExportDB(dbname, tempdir.name)
+
+    assert db.get_file_record(filepath) is None
+
+    with db.create_file_record(filepath, uuid) as record:
+        record.src_sig = (1, 2, 3.0)
+        record.dest_sig = (4, 5, 6.0)
+        record.digest = DIGEST_DATA
+        record.exifdata = EXIF_DATA
+        record.photoinfo = INFO_DATA
+        record.export_options = 1
+
+    assert record.uuid == uuid
+    assert record.filepath == pathlib.Path(filepath).name
+    assert record.filepath_normalized == pathlib.Path(filepath).name.lower()
+    assert record.src_sig == (1, 2, 3)
+    assert record.dest_sig == (4, 5, 6)
+    assert record.digest == "FIZZ"
+    assert record.exifdata == EXIF_DATA
+    assert record.photoinfo == INFO_DATA
+    assert record.export_options == 1
+
+    # close and re-open
+    db.close()
+    db2 = ExportDB(dbname, tempdir.name)
+    record = db2.get_file_record(filepath)
+    assert record.uuid == uuid
+    assert record.filepath == pathlib.Path(filepath).name
+    assert record.filepath_normalized == pathlib.Path(filepath).name.lower()
+    assert record.src_sig == (1, 2, 3)
+    assert record.dest_sig == (4, 5, 6)
+    assert record.digest == "FIZZ"
+    assert record.exifdata == EXIF_DATA
+    assert record.photoinfo == INFO_DATA
+    assert record.export_options == 1
+
+
+def test_export_record_context_manager_error():
+    """Test ExportRecord as context manager doesn't commit data on error"""
+    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
+    filepath = os.path.join(tempdir.name, "test_boom.JPG")
+    uuid = "FOOBAR_CONTEXT_BOOM"
+    dbname = os.path.join(tempdir.name, ".osxphotos_export.db")
+    db = ExportDB(dbname, tempdir.name)
+
+    try:
+        with db.create_file_record(filepath, uuid) as record:
+            record.src_sig = (1, 2, 3.0)
+            record.dest_sig = (4, 5, 6.0)
+            record.digest = DIGEST_DATA
+            record.exifdata = EXIF_DATA
+            record.photoinfo = INFO_DATA
+            raise Exception("Boom")
+    except Exception:
+        pass
+
+    record = db.get_file_record(filepath)
+    assert record.uuid == uuid
+    assert record.filepath == pathlib.Path(filepath).name
+    assert record.filepath_normalized == pathlib.Path(filepath).name.lower()
+    assert record.src_sig == (None, None, None)
+    assert record.dest_sig == (None, None, None)
+    assert record.digest is None
+    assert record.exifdata is None
+    assert record.photoinfo is None
+
+
+def test_get_export_db_version():
+    """Test export_db_get_version"""
+    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
+    dbname = os.path.join(tempdir.name, ".osxphotos_export.db")
+    db = ExportDB(dbname, tempdir.name)
+
+    osxphotos_ver, export_db_ver = export_db_get_version(dbname)
+    assert osxphotos_ver == __version__
+    assert export_db_ver == OSXPHOTOS_EXPORTDB_VERSION