72 lines
1.6 KiB
Python
72 lines
1.6 KiB
Python
#!/usr/bin/env python3
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import os
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import collections
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import enum
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import importlib
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from typing import Dict, Optional
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# make pyflakes happy
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assert Dict
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# A set of extension that aren't supported, despite matching a supported mimetype
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UNSUPPORTED_EXTENSIONS = {
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'.asc',
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'.bat',
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'.brf',
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'.c',
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'.h',
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'.ksh',
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'.pl',
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'.pot',
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'.rdf',
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'.srt',
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'.wsdl',
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'.xpdl',
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'.xsd',
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'.xsl',
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}
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DEPENDENCIES = {
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'cairo': 'Cairo',
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'gi': 'PyGobject',
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'gi.repository.GdkPixbuf': 'GdkPixbuf from PyGobject',
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'gi.repository.Poppler': 'Poppler from PyGobject',
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'gi.repository.GLib': 'GLib from PyGobject',
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'mutagen': 'Mutagen',
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}
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def _get_exiftool_path() -> Optional[str]: # pragma: no cover
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exiftool_path = '/usr/bin/exiftool'
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if os.path.isfile(exiftool_path):
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if os.access(exiftool_path, os.X_OK):
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return exiftool_path
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# ArchLinux
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exiftool_path = '/usr/bin/vendor_perl/exiftool'
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if os.path.isfile(exiftool_path):
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if os.access(exiftool_path, os.X_OK):
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return exiftool_path
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return None
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def check_dependencies() -> dict:
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ret = collections.defaultdict(bool) # type: Dict[str, bool]
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ret['Exiftool'] = True if _get_exiftool_path() else False
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for key, value in DEPENDENCIES.items():
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ret[value] = True
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try:
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importlib.import_module(key)
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except ImportError: # pragma: no cover
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ret[value] = False # pragma: no cover
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return ret
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@enum.unique
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class UnknownMemberPolicy(enum.Enum):
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ABORT = 'abort'
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OMIT = 'omit'
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KEEP = 'keep'
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