Feature custom sidecar zero length (#1138)

* Added skip_zero option to --sidecar-template

* Added missing test file
This commit is contained in:
Rhet Turnbull 2023-07-29 10:29:16 -07:00 committed by GitHub
parent ed1486fd4b
commit db6caa5fa4
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4 changed files with 62 additions and 3 deletions

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@ -348,7 +348,15 @@ from .verbose import get_verbose_console, verbose_print
[
click.Path(dir_okay=False, file_okay=True, exists=True),
TemplateString(),
CSVOptions(["write_skipped", "strip_whitespace", "strip_lines", "none"])
CSVOptions(
[
"write_skipped",
"strip_whitespace",
"strip_lines",
"skip_zero",
"none",
]
),
]
),
help="Create a custom sidecar file for each photo exported with user provided Mako template (MAKO_TEMPLATE_FILE). "
@ -361,11 +369,12 @@ from .verbose import get_verbose_console, verbose_print
"The `{filepath}` template variable may be used in the SIDECAR_FILENAME_TEMPLATE to refer to the filename of the "
"photo being exported. "
"OPTIONS is a comma-separated list of strings providing additional options to the template. "
"Valid options are: write_skipped, strip_whitespace, strip_lines, none. "
"Valid options are: write_skipped, strip_whitespace, strip_lines, skip_zero, none. "
"write_skipped will cause the sidecar file to be written even if the photo is skipped during export. "
"If write_skipped is not passed as an option, the sidecar file will not be written if the photo is skipped during export. "
"strip_whitespace and strip_lines indicate whether or not to strip whitespace and blank lines, respectively, "
"from the resulting sidecar file. "
"skip_zero causes the sidecar file to be skipped if the rendered template is zero-length. "
"For example, to create a sidecar file with extension .xmp using a template file named 'sidecar.mako' "
"and write a sidecar for skipped photos and strip blank lines but not whitespace: "
"`--sidecar-template sidecar.mako '{filepath}.xmp' write_skipped,strip_lines`. "

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@ -53,6 +53,7 @@ def generate_user_sidecar(
strip_whitespace = "strip_whitespace" in options
strip_lines = "strip_lines" in options
write_skipped = "write_skipped" in options
skip_zero = "skip_zero" in options
if not write_skipped:
# skip writing sidecar if photo not exported
@ -97,6 +98,8 @@ def generate_user_sidecar(
filepath=filepath,
strip_whitespace=strip_whitespace,
strip_lines=strip_lines,
skip_zero=skip_zero,
verbose=verbose,
dry_run=dry_run,
)
sidecar_results.sidecar_user_written.append(template_filename)
@ -129,6 +132,8 @@ def _render_sidecar_and_write_data(
filepath: str,
strip_whitespace: bool,
strip_lines: bool,
skip_zero: bool,
verbose: Callable[..., None],
dry_run: bool,
):
"""Render sidecar template and write data to file"""
@ -149,5 +154,8 @@ def _render_sidecar_and_write_data(
)
if not dry_run:
# write sidecar file
if skip_zero and not sidecar_data:
verbose(f"Skipping empty sidecar file [filepath]{template_filename}[/]")
return
with open(template_filename, "w") as f:
f.write(sidecar_data)

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@ -0,0 +1,3 @@
<%doc> custom mako sidecar template that renders to zero length for some photos; use with options
"strip_whitespace,strip_lines,skip_zero" </%doc>
${",".join(photo.keywords)}

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@ -33,6 +33,9 @@ Sidecar: wedding.jpg.sidecar
Rating:
"""
PHOTO_UUID_NO_KEYWORD = "4D521201-92AC-43E5-8F7C-59BC41C37A96" # IMG_1997.CR2
SIDECAR_FILENAME_NO_KEYWORD = "IMG_1997.CR2.txt"
def test_export_sidecar_template_1():
"""test basic export with --sidecar-template"""
@ -61,6 +64,7 @@ def test_export_sidecar_template_1():
sidecar_data = sidecar_file.read_text()
assert sidecar_data == SIDECAR_DATA
def test_export_sidecar_template_option_case():
"""test basic export with --sidecar-template and option case insensitivity"""
runner = CliRunner()
@ -89,7 +93,6 @@ def test_export_sidecar_template_option_case():
assert sidecar_data == SIDECAR_DATA
def test_export_sidecar_template_strip_whitespace():
"""test basic export with --sidecar-template and STRIP_WHITESPACE = True"""
runner = CliRunner()
@ -182,6 +185,7 @@ def test_export_sidecar_template_strip_lines_strip_whitespace():
)
assert sidecar_data == sidecar_expected
def test_export_sidecar_template_strip_lines_strip_whitespace_option_space():
"""test basic export with --sidecar-template and STRIP_LINES = True and STRIP_WHITESPACE = True with space in option"""
runner = CliRunner()
@ -212,6 +216,7 @@ def test_export_sidecar_template_strip_lines_strip_whitespace_option_space():
)
assert sidecar_data == sidecar_expected
def test_export_sidecar_template_update_no():
"""test basic export with --sidecar-template and WRITE_SKIPPED = False, also test --cleanup"""
runner = CliRunner()
@ -505,3 +510,37 @@ def test_export_sidecar_template_full_library():
],
)
assert result.exit_code == 0
def test_export_sidecar_template_skip_zero():
"""test basic export with --sidecar-template with skip_zero option"""
runner = CliRunner()
cwd = os.getcwd()
# pylint: disable=not-context-manager
with runner.isolated_filesystem():
result = runner.invoke(
export,
[
"--library",
os.path.join(cwd, PHOTOS_DB),
".",
"-V",
"--uuid",
PHOTO_UUID,
"--uuid",
PHOTO_UUID_NO_KEYWORD,
"--sidecar-template",
os.path.join(cwd, "tests", "custom_sidecar_zero.mako"),
"{filepath}.txt",
"strip_whitespace,strip_lines,skip_zero",
],
)
assert result.exit_code == 0
assert "Skipping empty sidecar file" in result.output
sidecar_file = pathlib.Path(SIDECAR_FILENAME)
assert sidecar_file.exists()
sidecar_file = pathlib.Path(SIDECAR_FILENAME_NO_KEYWORD)
assert not sidecar_file.exists()