added --keyword-template

This commit is contained in:
Rhet Turnbull
2020-05-01 22:05:46 -07:00
parent 7af1ccd4ed
commit 65674f57bc
36 changed files with 984 additions and 505 deletions

View File

@@ -21,11 +21,7 @@ import osxphotos
from ._constants import _EXIF_TOOL_URL, _PHOTOS_4_VERSION, _UNKNOWN_PLACE
from ._version import __version__
from .exiftool import get_exiftool_path
from .template import (
render_filepath_template,
TEMPLATE_SUBSTITUTIONS,
TEMPLATE_SUBSTITUTIONS_MULTI_VALUED,
)
from .template import TEMPLATE_SUBSTITUTIONS, TEMPLATE_SUBSTITUTIONS_MULTI_VALUED
from .utils import _copy_file, create_path_by_date
@@ -83,7 +79,7 @@ class ExportCommand(click.Command):
formatter.write_text("**Templating System**")
formatter.write("\n")
formatter.write_text(
"With the --directory option, you may specify a template for the "
"With the --directory option you may specify a template for the "
+ "export directory. This directory will be appended to the export path specified "
+ "in the export DEST argument to export. For example, if template is "
+ "'{created.year}/{created.month}', and export desitnation DEST is "
@@ -92,6 +88,13 @@ class ExportCommand(click.Command):
+ "if the photo was created in March 2020. "
)
formatter.write("\n")
formatter.write_text(
"The templating system may also be used with the --keyword-template option "
+ "to set keywords on export (with --exiftool or --sidecar), "
+ "for example, to set a new keyword in format 'folder/subfolder/album' to "
+ 'preserve the folder/album structure, you can use --keyword-template "{folder_album}"'
)
formatter.write("\n")
formatter.write_text(
"In the template, valid template substitutions will be replaced by "
+ "the corresponding value from the table below. Invalid substitutions will result in a "
@@ -903,6 +906,20 @@ def query(
is_flag=True,
help="Use album name as keyword/tag when exporting metadata.",
)
@click.option(
"--keyword-template",
metavar="TEMPLATE",
multiple=True,
default=None,
help="For use with --exiftool, --sidecar; specify a template string to use as "
"keyword in the form '{name,DEFAULT}' "
"This is the same format as --directory. For example, if you wanted to add "
"the full path to the folder and album photo is contained in as a keyword when exporting "
'you could specify --keyword-template "{folder_album}" '
'You may specify more than one template, for example --keyword-template "{folder_album}" '
'--keyword-template "{created.year}" '
"See Templating System below.",
)
@click.option(
"--current-name",
is_flag=True,
@@ -995,6 +1012,7 @@ def export(
skip_raw,
person_keyword,
album_keyword,
keyword_template,
current_name,
sidecar,
only_photos,
@@ -1188,6 +1206,7 @@ def export(
export_raw,
album_keyword,
person_keyword,
keyword_template,
)
else:
for p in photos:
@@ -1208,6 +1227,7 @@ def export(
export_raw,
album_keyword,
person_keyword,
keyword_template,
)
if export_paths:
click.echo(f"Exported {p.filename} to {export_paths}")
@@ -1596,6 +1616,7 @@ def export_photo(
export_raw,
album_keyword,
person_keyword,
keyword_template,
):
""" Helper function for export that does the actual export
photo: PhotoInfo object
@@ -1614,6 +1635,7 @@ def export_photo(
export_raw: boolean; if True exports RAW image associate with the photo
album_keyword: boolean; if True, exports album names as keywords in metadata
person_keyword: boolean; if True, exports person names as keywords in metadata
keyword_template: list of strings; if provided use rendered template strings as keywords
returns list of path(s) of exported photo or None if photo was missing
"""
@@ -1654,7 +1676,7 @@ def export_photo(
dest_paths = [dest_path]
elif directory:
# got a directory template, render it and check results are valid
dirnames, unmatched = render_filepath_template(directory, photo)
dirnames, unmatched = photo.render_template(directory)
if unmatched:
raise click.BadOptionUsage(
"directory",
@@ -1699,6 +1721,7 @@ def export_photo(
no_xattr=no_extended_attributes,
use_albums_as_keywords=album_keyword,
use_persons_as_keywords=person_keyword,
keyword_template=keyword_template,
)[0]
photo_paths.append(photo_path)
@@ -1736,6 +1759,7 @@ def export_photo(
no_xattr=no_extended_attributes,
use_albums_as_keywords=album_keyword,
use_persons_as_keywords=person_keyword,
keyword_template=keyword_template,
)
return photo_paths

View File

@@ -51,3 +51,12 @@ _PHOTOS_5_ROOT_FOLDER_KIND = 3999 # root folder
_PHOTOS_4_ALBUM_KIND = 3 # RKAlbum.albumSubclass
_PHOTOS_4_TOP_LEVEL_ALBUM = "TopLevelAlbums"
_PHOTOS_4_ROOT_FOLDER = "LibraryFolder"
# EXIF related constants
# max keyword length for IPTC:Keyword, reference
# https://www.iptc.org/std/photometadata/documentation/userguide/
_MAX_IPTC_KEYWORD_LEN = 64
# Sentinel value for detecting if a template in keyword_template doesn't match
# If anyone has a keyword matching this, then too bad...
_OSXPHOTOS_NONE_SENTINEL = "OSXPhotosXYZZY42_Sentinel$"

View File

@@ -1,3 +1,3 @@
""" version info """
__version__ = "0.28.11"
__version__ = "0.28.13"

View File

@@ -0,0 +1,52 @@
""" Simple formatting of datetime.datetime objects """
import datetime
class DateTimeFormatter:
""" provides property access to formatted datetime.datetime strftime values """
def __init__(self, dt: datetime.datetime):
self.dt = dt
@property
def date(self):
""" ISO date in form 2020-03-22 """
date = self.dt.date().isoformat()
return date
@property
def year(self):
""" 4 digit year """
year = f"{self.dt.year}"
return year
@property
def yy(self):
""" 2 digit year """
yy = f"{self.dt.strftime('%y')}"
return yy
@property
def mm(self):
""" 2 digit month """
mm = f"{self.dt.strftime('%m')}"
return mm
@property
def month(self):
""" Month as locale's full name """
month = f"{self.dt.strftime('%B')}"
return month
@property
def mon(self):
""" Month as locale's abbreviated name """
mon = f"{self.dt.strftime('%b')}"
return mon
@property
def doy(self):
""" Julian day of year starting from 001 """
doy = f"{self.dt.strftime('%j')}"
return doy

View File

@@ -7,6 +7,7 @@ PhotosDB.photos() returns a list of PhotoInfo objects
import glob
import json
import logging
import os
import os.path
import pathlib
import re
@@ -19,7 +20,9 @@ import yaml
from mako.template import Template
from ._constants import (
_MAX_IPTC_KEYWORD_LEN,
_MOVIE_TYPE,
_OSXPHOTOS_NONE_SENTINEL,
_PHOTO_TYPE,
_PHOTOS_4_VERSION,
_PHOTOS_5_SHARED_PHOTO_PATH,
@@ -27,9 +30,15 @@ from ._constants import (
_UNKNOWN_PERSON,
_XMP_TEMPLATE_NAME,
)
from .albuminfo import AlbumInfo
from .datetime_formatter import DateTimeFormatter
from .exiftool import ExifTool
from .placeinfo import PlaceInfo4, PlaceInfo5
from .albuminfo import AlbumInfo
from .template import (
MULTI_VALUE_SUBSTITUTIONS,
TEMPLATE_SUBSTITUTIONS,
TEMPLATE_SUBSTITUTIONS_MULTI_VALUED,
)
from .utils import (
_copy_file,
_export_photo_uuid_applescript,
@@ -636,6 +645,7 @@ class PhotoInfo:
no_xattr=False,
use_albums_as_keywords=False,
use_persons_as_keywords=False,
keyword_template=None,
):
""" export photo
dest: must be valid destination path (or exception raised)
@@ -666,6 +676,7 @@ class PhotoInfo:
when exporting metadata with exiftool or sidecar
use_persons_as_keywords: (boolean, default = False); if True, will include person names in keywords
when exporting metadata with exiftool or sidecar
keyword_template: (list of strings); list of template strings that will be rendered as used as keywords
"""
# list of all files exported during this call to export
@@ -873,6 +884,7 @@ class PhotoInfo:
sidecar_str = self._exiftool_json_sidecar(
use_albums_as_keywords=use_albums_as_keywords,
use_persons_as_keywords=use_persons_as_keywords,
keyword_template=keyword_template,
)
try:
self._write_sidecar(sidecar_filename, sidecar_str)
@@ -886,6 +898,7 @@ class PhotoInfo:
sidecar_str = self._xmp_sidecar(
use_albums_as_keywords=use_albums_as_keywords,
use_persons_as_keywords=use_persons_as_keywords,
keyword_template=keyword_template,
)
try:
self._write_sidecar(sidecar_filename, sidecar_str)
@@ -900,12 +913,350 @@ class PhotoInfo:
exported_file,
use_albums_as_keywords=use_albums_as_keywords,
use_persons_as_keywords=use_persons_as_keywords,
keyword_template=keyword_template,
)
return exported_files
def render_template(self, template, none_str="_", path_sep=None):
""" render a filename or directory template
template: str template
none_str: str to use default for None values, default is '_'
path_sep: optional character to use as path separator, default is os.path.sep """
if path_sep is None:
path_sep = os.path.sep
elif path_sep is not None and len(path_sep) != 1:
raise ValueError(f"path_sep must be single character: {path_sep}")
# the rendering happens in two phases:
# phase 1: handle all the single-value template substitutions
# results in a single string with all the template fields replaced
# phase 2: loop through all the multi-value template substitutions
# could result in multiple strings
# e.g. if template is "{album}/{person}" and there are 2 albums and 3 persons in the photo
# there would be 6 possible renderings (2 albums x 3 persons)
# regex to find {template_field,optional_default} in strings
# for explanation of regex see https://regex101.com/r/4JJg42/1
# pylint: disable=anomalous-backslash-in-string
regex = r"(?<!\{)\{([^\\,}]+)(,{0,1}(([\w\-. ]+))?)(?=\}(?!\}))\}"
if type(template) is not str:
raise TypeError(f"template must be type str, not {type(template)}")
def make_subst_function(self, none_str, get_func=self.get_template_value):
""" returns: substitution function for use in re.sub
photo: a PhotoInfo object
none_str: value to use if substitution lookup is None and no default provided
get_func: function that gets the substitution value for a given template field
default is get_template_value which handles the single-value fields """
# closure to capture photo, none_str in subst
def subst(matchobj):
groups = len(matchobj.groups())
if groups == 4:
try:
val = get_func(matchobj.group(1))
except KeyError:
return matchobj.group(0)
if val is None:
return (
matchobj.group(3)
if matchobj.group(3) is not None
else none_str
)
else:
return val
else:
raise ValueError(
f"Unexpected number of groups: expected 4, got {groups}"
)
return subst
subst_func = make_subst_function(self, none_str)
# do the replacements
rendered = re.sub(regex, subst_func, template)
# do multi-valued placements
# start with the single string from phase 1 above then loop through all
# multi-valued fields and all values for each of those fields
# rendered_strings will be updated as each field is processed
# for example: if two albums, two keywords, and one person and template is:
# "{created.year}/{album}/{keyword}/{person}"
# rendered strings would do the following:
# start (created.year filled in phase 1)
# ['2011/{album}/{keyword}/{person}']
# after processing albums:
# ['2011/Album1/{keyword}/{person}',
# '2011/Album2/{keyword}/{person}',]
# after processing keywords:
# ['2011/Album1/keyword1/{person}',
# '2011/Album1/keyword2/{person}',
# '2011/Album2/keyword1/{person}',
# '2011/Album2/keyword2/{person}',]
# after processing person:
# ['2011/Album1/keyword1/person1',
# '2011/Album1/keyword2/person1',
# '2011/Album2/keyword1/person1',
# '2011/Album2/keyword2/person1',]
rendered_strings = set([rendered])
for field in MULTI_VALUE_SUBSTITUTIONS:
if field == "album":
values = self.albums
elif field == "keyword":
values = self.keywords
elif field == "person":
values = self.persons
# remove any _UNKNOWN_PERSON values
values = [val for val in values if val != _UNKNOWN_PERSON]
elif field == "folder_album":
values = []
# photos must be in an album to be in a folder
for album in self.album_info:
if album.folder_names:
# album in folder
folder = path_sep.join(album.folder_names)
folder += path_sep + album.title
values.append(folder)
else:
# album not in folder
values.append(album.title)
else:
raise ValueError(f"Unhandleded template value: {field}")
# If no values, insert None so code below will substite none_str for None
values = values or [None]
# Build a regex that matches only the field being processed
re_str = r"(?<!\\)\{(" + field + r")(,{0,1}(([\w\-. ]+))?)\}"
regex_multi = re.compile(re_str)
# holds each of the new rendered_strings, set() to avoid duplicates
new_strings = set()
for str_template in rendered_strings:
for val in values:
def get_template_value_multi(lookup_value):
""" Closure passed to make_subst_function get_func
Capture val and field in the closure
Allows make_subst_function to be re-used w/o modification """
if lookup_value == field:
return val
else:
raise KeyError(f"Unexpected value: {lookup_value}")
subst = make_subst_function(
self, none_str, get_func=get_template_value_multi
)
new_string = regex_multi.sub(subst, str_template)
new_strings.add(new_string)
# update rendered_strings for the next field to process
rendered_strings = new_strings
# find any {fields} that weren't replaced
unmatched = []
for rendered_str in rendered_strings:
unmatched.extend(
[
no_match[0]
for no_match in re.findall(regex, rendered_str)
if no_match[0] not in unmatched
]
)
# fix any escaped curly braces
rendered_strings = [
rendered_str.replace("{{", "{").replace("}}", "}")
for rendered_str in rendered_strings
]
return rendered_strings, unmatched
def get_template_value(self, lookup):
""" lookup template value (single-value template substitutions) for use in make_subst_function
lookup: value to find a match for
returns: either the matching template value (which may be None)
raises: KeyError if no rule exists for lookup """
# must be a valid keyword
if lookup == "name":
return pathlib.Path(self.filename).stem
if lookup == "original_name":
return pathlib.Path(self.original_filename).stem
if lookup == "title":
return self.title
if lookup == "descr":
return self.description
if lookup == "created.date":
return DateTimeFormatter(self.date).date
if lookup == "created.year":
return DateTimeFormatter(self.date).year
if lookup == "created.yy":
return DateTimeFormatter(self.date).yy
if lookup == "created.mm":
return DateTimeFormatter(self.date).mm
if lookup == "created.month":
return DateTimeFormatter(self.date).month
if lookup == "created.mon":
return DateTimeFormatter(self.date).mon
if lookup == "created.doy":
return DateTimeFormatter(self.date).doy
if lookup == "modified.date":
return (
DateTimeFormatter(self.date_modified).date
if self.date_modified
else None
)
if lookup == "modified.year":
return (
DateTimeFormatter(self.date_modified).year
if self.date_modified
else None
)
if lookup == "modified.yy":
return (
DateTimeFormatter(self.date_modified).yy if self.date_modified else None
)
if lookup == "modified.mm":
return (
DateTimeFormatter(self.date_modified).mm if self.date_modified else None
)
if lookup == "modified.month":
return (
DateTimeFormatter(self.date_modified).month
if self.date_modified
else None
)
if lookup == "modified.mon":
return (
DateTimeFormatter(self.date_modified).mon
if self.date_modified
else None
)
if lookup == "modified.doy":
return (
DateTimeFormatter(self.date_modified).doy
if self.date_modified
else None
)
if lookup == "place.name":
return self.place.name if self.place else None
if lookup == "place.country_code":
return self.place.country_code if self.place else None
if lookup == "place.name.country":
return (
self.place.names.country[0]
if self.place and self.place.names.country
else None
)
if lookup == "place.name.state_province":
return (
self.place.names.state_province[0]
if self.place and self.place.names.state_province
else None
)
if lookup == "place.name.city":
return (
self.place.names.city[0]
if self.place and self.place.names.city
else None
)
if lookup == "place.name.area_of_interest":
return (
self.place.names.area_of_interest[0]
if self.place and self.place.names.area_of_interest
else None
)
if lookup == "place.address":
return (
self.place.address_str
if self.place and self.place.address_str
else None
)
if lookup == "place.address.street":
return (
self.place.address.street
if self.place and self.place.address.street
else None
)
if lookup == "place.address.city":
return (
self.place.address.city
if self.place and self.place.address.city
else None
)
if lookup == "place.address.state_province":
return (
self.place.address.state_province
if self.place and self.place.address.state_province
else None
)
if lookup == "place.address.postal_code":
return (
self.place.address.postal_code
if self.place and self.place.address.postal_code
else None
)
if lookup == "place.address.country":
return (
self.place.address.country
if self.place and self.place.address.country
else None
)
if lookup == "place.address.country_code":
return (
self.place.address.iso_country_code
if self.place and self.place.address.iso_country_code
else None
)
# if here, didn't get a match
raise KeyError(f"No rule for processing {lookup}")
def _write_exif_data(
self, filepath, use_albums_as_keywords=False, use_persons_as_keywords=False
self,
filepath,
use_albums_as_keywords=False,
use_persons_as_keywords=False,
keyword_template=None,
):
""" write exif data to image file at filepath
filepath: full path to the image file """
@@ -916,6 +1267,7 @@ class PhotoInfo:
self._exiftool_json_sidecar(
use_albums_as_keywords=use_albums_as_keywords,
use_persons_as_keywords=use_persons_as_keywords,
keyword_template=keyword_template,
)
)[0]
for exiftag, val in exif_info.items():
@@ -929,17 +1281,23 @@ class PhotoInfo:
exiftool.setvalue(exiftag, val)
def _exiftool_json_sidecar(
self, use_albums_as_keywords=False, use_persons_as_keywords=False
self,
use_albums_as_keywords=False,
use_persons_as_keywords=False,
keyword_template=None,
):
""" return json string of EXIF details in exiftool sidecar format
Does not include all the EXIF fields as those are likely already in the image
use_albums_as_keywords: treat album names as keywords
use_persons_as_keywords: treat person names as keywords
keyword_template: (list of strings); list of template strings to render as keywords
Exports the following:
FileName
ImageDescription
Description
Title
TagsList
Keywords
Keywords (may include album name, person name, or template)
Subject
PersonInImage
GPSLatitude, GPSLongitude
@@ -974,6 +1332,39 @@ class PhotoInfo:
if use_albums_as_keywords and self.albums:
keyword_list.extend(self.albums)
if keyword_template:
rendered_keywords = []
for template_str in keyword_template:
rendered, unmatched = self.render_template(
template_str, none_str=_OSXPHOTOS_NONE_SENTINEL, path_sep="/"
)
if unmatched:
logging.warning(
f"Unmatched template substitution for template: {template_str} {unmatched}"
)
rendered_keywords.extend(rendered)
# filter out any template values that didn't match by looking for sentinel
rendered_keywords = [
keyword
for keyword in rendered_keywords
if _OSXPHOTOS_NONE_SENTINEL not in keyword
]
# check to see if any keywords too long
long_keywords = [
long_str
for long_str in rendered_keywords
if len(long_str) > _MAX_IPTC_KEYWORD_LEN
]
if long_keywords:
logging.warning(
f"Some keywords exceed max IPTC Keyword length of {_MAX_IPTC_KEYWORD_LEN}: {long_keywords}"
)
logging.debug(f"rendered_keywords: {rendered_keywords}")
keyword_list.extend(rendered_keywords)
if keyword_list:
exif["XMP:TagsList"] = exif["IPTC:Keywords"] = keyword_list
@@ -982,6 +1373,7 @@ class PhotoInfo:
if self.keywords or person_list:
# Photos puts both keywords and persons in Subject when using "Export IPTC as XMP"
# only use Photos' keywords for subject
exif["XMP:Subject"] = list(self.keywords) + person_list
# if self.favorite():
@@ -1016,8 +1408,17 @@ class PhotoInfo:
json_str = json.dumps([exif])
return json_str
def _xmp_sidecar(self, use_albums_as_keywords=False, use_persons_as_keywords=False):
""" returns string for XMP sidecar """
def _xmp_sidecar(
self,
use_albums_as_keywords=False,
use_persons_as_keywords=False,
keyword_template=None,
):
""" returns string for XMP sidecar
use_albums_as_keywords: treat album names as keywords
use_persons_as_keywords: treat person names as keywords
keyword_template: (list of strings); list of template strings to render as keywords """
# TODO: add additional fields to XMP file?
xmp_template = Template(
@@ -1028,6 +1429,9 @@ class PhotoInfo:
if self.keywords:
keyword_list.extend(self.keywords)
# TODO: keyword handling in this and _exiftool_json_sidecar is
# good candidate for pulling out in a function
person_list = []
if self.persons:
# filter out _UNKNOWN_PERSON
@@ -1039,6 +1443,39 @@ class PhotoInfo:
if use_albums_as_keywords and self.albums:
keyword_list.extend(self.albums)
if keyword_template:
rendered_keywords = []
for template_str in keyword_template:
rendered, unmatched = self.render_template(
template_str, none_str=_OSXPHOTOS_NONE_SENTINEL, path_sep="/"
)
if unmatched:
logging.warning(
f"Unmatched template substitution for template: {template_str} {unmatched}"
)
rendered_keywords.extend(rendered)
# filter out any template values that didn't match by looking for sentinel
rendered_keywords = [
keyword
for keyword in rendered_keywords
if _OSXPHOTOS_NONE_SENTINEL not in keyword
]
# check to see if any keywords too long
long_keywords = [
long_str
for long_str in rendered_keywords
if len(long_str) > _MAX_IPTC_KEYWORD_LEN
]
if long_keywords:
logging.warning(
f"Some keywords exceed max IPTC Keyword length of {_MAX_IPTC_KEYWORD_LEN}: {long_keywords}"
)
logging.debug(f"rendered_keywords: {rendered_keywords}")
keyword_list.extend(rendered_keywords)
subject_list = []
if self.keywords or person_list:
# Photos puts both keywords and persons in Subject when using "Export IPTC as XMP"

View File

@@ -1,4 +1,4 @@
""" Custom template system for osxphotos """
""" Custom template system for osxphotos (implemented in PhotoInfo.render_template) """
# Rolled my own template system because:
# 1. Needed to handle multiple values (e.g. album, keyword)
@@ -9,22 +9,14 @@
#
# This code isn't elegant but it seems to work well. PRs gladly accepted.
import datetime
import locale
import os
import pathlib
import re
from typing import Tuple, List # pylint: disable=syntax-error
from .photoinfo import PhotoInfo
from ._constants import _UNKNOWN_PERSON
# ensure locale set to user's locale
locale.setlocale(locale.LC_ALL, "")
# Permitted substitutions (each of these returns a single value or None)
TEMPLATE_SUBSTITUTIONS = {
"{name}": "Filename of the photo",
"{name}": "Current filename of the photo",
"{original_name}": "Photo's original filename when imported to Photos",
"{title}": "Title of the photo",
"{descr}": "Description of the photo",
@@ -70,374 +62,3 @@ MULTI_VALUE_SUBSTITUTIONS = [
field.replace("{", "").replace("}", "")
for field in TEMPLATE_SUBSTITUTIONS_MULTI_VALUED.keys()
]
def get_template_value(lookup, photo):
""" lookup template value (single-value template substitutions) for use in make_subst_function
lookup: value to find a match for
photo: PhotoInfo object whose data will be used for value substitutions
returns: either the matching template value (which may be None)
raises: KeyError if no rule exists for lookup """
# must be a valid keyword
if lookup == "name":
return pathlib.Path(photo.filename).stem
if lookup == "original_name":
return pathlib.Path(photo.original_filename).stem
if lookup == "title":
return photo.title
if lookup == "descr":
return photo.description
if lookup == "created.date":
return DateTimeFormatter(photo.date).date
if lookup == "created.year":
return DateTimeFormatter(photo.date).year
if lookup == "created.yy":
return DateTimeFormatter(photo.date).yy
if lookup == "created.mm":
return DateTimeFormatter(photo.date).mm
if lookup == "created.month":
return DateTimeFormatter(photo.date).month
if lookup == "created.mon":
return DateTimeFormatter(photo.date).mon
if lookup == "created.doy":
return DateTimeFormatter(photo.date).doy
if lookup == "modified.date":
return (
DateTimeFormatter(photo.date_modified).date if photo.date_modified else None
)
if lookup == "modified.year":
return (
DateTimeFormatter(photo.date_modified).year if photo.date_modified else None
)
if lookup == "modified.yy":
return (
DateTimeFormatter(photo.date_modified).yy if photo.date_modified else None
)
if lookup == "modified.mm":
return (
DateTimeFormatter(photo.date_modified).mm if photo.date_modified else None
)
if lookup == "modified.month":
return (
DateTimeFormatter(photo.date_modified).month
if photo.date_modified
else None
)
if lookup == "modified.mon":
return (
DateTimeFormatter(photo.date_modified).mon if photo.date_modified else None
)
if lookup == "modified.doy":
return (
DateTimeFormatter(photo.date_modified).doy if photo.date_modified else None
)
if lookup == "place.name":
return photo.place.name if photo.place else None
if lookup == "place.country_code":
return photo.place.country_code if photo.place else None
if lookup == "place.name.country":
return (
photo.place.names.country[0]
if photo.place and photo.place.names.country
else None
)
if lookup == "place.name.state_province":
return (
photo.place.names.state_province[0]
if photo.place and photo.place.names.state_province
else None
)
if lookup == "place.name.city":
return (
photo.place.names.city[0]
if photo.place and photo.place.names.city
else None
)
if lookup == "place.name.area_of_interest":
return (
photo.place.names.area_of_interest[0]
if photo.place and photo.place.names.area_of_interest
else None
)
if lookup == "place.address":
return (
photo.place.address_str if photo.place and photo.place.address_str else None
)
if lookup == "place.address.street":
return (
photo.place.address.street
if photo.place and photo.place.address.street
else None
)
if lookup == "place.address.city":
return (
photo.place.address.city
if photo.place and photo.place.address.city
else None
)
if lookup == "place.address.state_province":
return (
photo.place.address.state_province
if photo.place and photo.place.address.state_province
else None
)
if lookup == "place.address.postal_code":
return (
photo.place.address.postal_code
if photo.place and photo.place.address.postal_code
else None
)
if lookup == "place.address.country":
return (
photo.place.address.country
if photo.place and photo.place.address.country
else None
)
if lookup == "place.address.country_code":
return (
photo.place.address.iso_country_code
if photo.place and photo.place.address.iso_country_code
else None
)
# if here, didn't get a match
raise KeyError(f"No rule for processing {lookup}")
def render_filepath_template(template, photo, none_str="_"):
""" render a filename or directory template
template: str template
photo: PhotoInfo object
none_str: str to use default for None values, default is '_' """
# the rendering happens in two phases:
# phase 1: handle all the single-value template substitutions
# results in a single string with all the template fields replaced
# phase 2: loop through all the multi-value template substitutions
# could result in multiple strings
# e.g. if template is "{album}/{person}" and there are 2 albums and 3 persons in the photo
# there would be 6 possible renderings (2 albums x 3 persons)
# regex to find {template_field,optional_default} in strings
# for explanation of regex see https://regex101.com/r/4JJg42/1
# pylint: disable=anomalous-backslash-in-string
regex = r"(?<!\{)\{([^\\,}]+)(,{0,1}(([\w\-. ]+))?)(?=\}(?!\}))\}"
if type(template) is not str:
raise TypeError(f"template must be type str, not {type(template)}")
if type(photo) is not PhotoInfo:
raise TypeError(f"photo must be type osxphotos.PhotoInfo, not {type(photo)}")
def make_subst_function(photo, none_str, get_func=get_template_value):
""" returns: substitution function for use in re.sub
photo: a PhotoInfo object
none_str: value to use if substitution lookup is None and no default provided
get_func: function that gets the substitution value for a given template field
default is get_template_value which handles the single-value fields """
# closure to capture photo, none_str in subst
def subst(matchobj):
groups = len(matchobj.groups())
if groups == 4:
try:
val = get_func(matchobj.group(1), photo)
except KeyError:
return matchobj.group(0)
if val is None:
return (
matchobj.group(3) if matchobj.group(3) is not None else none_str
)
else:
return val
else:
raise ValueError(
f"Unexpected number of groups: expected 4, got {groups}"
)
return subst
subst_func = make_subst_function(photo, none_str)
# do the replacements
rendered = re.sub(regex, subst_func, template)
# do multi-valued placements
# start with the single string from phase 1 above then loop through all
# multi-valued fields and all values for each of those fields
# rendered_strings will be updated as each field is processed
# for example: if two albums, two keywords, and one person and template is:
# "{created.year}/{album}/{keyword}/{person}"
# rendered strings would do the following:
# start (created.year filled in phase 1)
# ['2011/{album}/{keyword}/{person}']
# after processing albums:
# ['2011/Album1/{keyword}/{person}',
# '2011/Album2/{keyword}/{person}',]
# after processing keywords:
# ['2011/Album1/keyword1/{person}',
# '2011/Album1/keyword2/{person}',
# '2011/Album2/keyword1/{person}',
# '2011/Album2/keyword2/{person}',]
# after processing person:
# ['2011/Album1/keyword1/person1',
# '2011/Album1/keyword2/person1',
# '2011/Album2/keyword1/person1',
# '2011/Album2/keyword2/person1',]
rendered_strings = set([rendered])
for field in MULTI_VALUE_SUBSTITUTIONS:
if field == "album":
values = photo.albums
elif field == "keyword":
values = photo.keywords
elif field == "person":
values = photo.persons
# remove any _UNKNOWN_PERSON values
values = [val for val in values if val != _UNKNOWN_PERSON]
elif field == "folder_album":
values = []
# photos must be in an album to be in a folder
for album in photo.album_info:
if album.folder_names:
# album in folder
folder = os.path.sep.join(album.folder_names)
folder += os.path.sep + album.title
values.append(folder)
else:
# album not in folder
values.append(album.title)
else:
raise ValueError(f"Unhandleded template value: {field}")
# If no values, insert None so code below will substite none_str for None
values = values or [None]
# Build a regex that matches only the field being processed
re_str = r"(?<!\\)\{(" + field + r")(,{0,1}(([\w\-. ]+))?)\}"
regex_multi = re.compile(re_str)
# holds each of the new rendered_strings, set() to avoid duplicates
new_strings = set()
for str_template in rendered_strings:
for val in values:
def get_template_value_multi(lookup_value, photo):
""" Closure passed to make_subst_function get_func
Capture val and field in the closure
Allows make_subst_function to be re-used w/o modification """
if lookup_value == field:
return val
else:
raise KeyError(f"Unexpected value: {lookup_value}")
subst = make_subst_function(
photo, none_str, get_func=get_template_value_multi
)
new_string = regex_multi.sub(subst, str_template)
new_strings.add(new_string)
# update rendered_strings for the next field to process
rendered_strings = new_strings
# find any {fields} that weren't replaced
unmatched = []
for rendered_str in rendered_strings:
unmatched.extend(
[
no_match[0]
for no_match in re.findall(regex, rendered_str)
if no_match[0] not in unmatched
]
)
# fix any escaped curly braces
rendered_strings = [
rendered_str.replace("{{", "{").replace("}}", "}")
for rendered_str in rendered_strings
]
return rendered_strings, unmatched
class DateTimeFormatter:
""" provides property access to formatted datetime.datetime strftime values """
def __init__(self, dt: datetime.datetime):
self.dt = dt
@property
def date(self):
""" ISO date in form 2020-03-22 """
date = self.dt.date().isoformat()
return date
@property
def year(self):
""" 4 digit year """
year = f"{self.dt.year}"
return year
@property
def yy(self):
""" 2 digit year """
yy = f"{self.dt.strftime('%y')}"
return yy
@property
def mm(self):
""" 2 digit month """
mm = f"{self.dt.strftime('%m')}"
return mm
@property
def month(self):
""" Month as locale's full name """
month = f"{self.dt.strftime('%B')}"
return month
@property
def mon(self):
""" Month as locale's abbreviated name """
mon = f"{self.dt.strftime('%b')}"
return mon
@property
def doy(self):
""" Julian day of year starting from 001 """
doy = f"{self.dt.strftime('%j')}"
return doy