mirror of
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125 lines
4.0 KiB
Python
125 lines
4.0 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2019-2021 Mike Fährmann
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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"""Write metadata to external files"""
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from .common import PostProcessor
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from .. import util, formatter
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import os
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class MetadataPP(PostProcessor):
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def __init__(self, job, options):
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PostProcessor.__init__(self, job)
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mode = options.get("mode", "json")
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if mode == "custom":
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self.write = self._write_custom
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cfmt = options.get("content-format") or options.get("format")
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if isinstance(cfmt, list):
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cfmt = "\n".join(cfmt) + "\n"
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self._content_fmt = formatter.parse(cfmt).format_map
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ext = "txt"
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elif mode == "tags":
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self.write = self._write_tags
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ext = "txt"
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else:
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self.write = self._write_json
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self.indent = options.get("indent", 4)
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self.ascii = options.get("ascii", False)
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ext = "json"
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directory = options.get("directory")
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if directory:
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self._directory = self._directory_custom
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sep = os.sep + (os.altsep or "")
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self._metadir = util.expand_path(directory).rstrip(sep) + os.sep
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filename = options.get("filename")
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extfmt = options.get("extension-format")
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if filename:
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self._filename = self._filename_custom
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self._filename_fmt = formatter.parse(filename).format_map
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elif extfmt:
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self._filename = self._filename_extfmt
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self._extension_fmt = formatter.parse(extfmt).format_map
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else:
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self.extension = options.get("extension", ext)
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events = options.get("event")
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if events is None:
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events = ("file",)
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elif isinstance(events, str):
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events = events.split(",")
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job.register_hooks({event: self.run for event in events}, options)
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def run(self, pathfmt):
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directory = self._directory(pathfmt)
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path = directory + self._filename(pathfmt)
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try:
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with open(path, "w", encoding="utf-8") as fp:
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self.write(fp, pathfmt.kwdict)
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except FileNotFoundError:
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os.makedirs(directory, exist_ok=True)
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with open(path, "w", encoding="utf-8") as fp:
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self.write(fp, pathfmt.kwdict)
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def _directory(self, pathfmt):
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return pathfmt.realdirectory
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def _directory_custom(self, pathfmt):
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return os.path.join(pathfmt.realdirectory, self._metadir)
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def _filename(self, pathfmt):
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return (pathfmt.filename or "metadata") + "." + self.extension
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def _filename_custom(self, pathfmt):
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return pathfmt.clean_path(pathfmt.clean_segment(
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self._filename_fmt(pathfmt.kwdict)))
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def _filename_extfmt(self, pathfmt):
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kwdict = pathfmt.kwdict
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ext = kwdict.get("extension")
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kwdict["extension"] = pathfmt.extension
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kwdict["extension"] = pathfmt.prefix + self._extension_fmt(kwdict)
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filename = pathfmt.build_filename(kwdict)
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kwdict["extension"] = ext
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return filename
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def _write_custom(self, fp, kwdict):
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fp.write(self._content_fmt(kwdict))
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def _write_tags(self, fp, kwdict):
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tags = kwdict.get("tags") or kwdict.get("tag_string")
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if not tags:
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return
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if isinstance(tags, str):
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taglist = tags.split(", ")
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if len(taglist) < len(tags) / 16:
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taglist = tags.split(" ")
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tags = taglist
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elif isinstance(tags, dict):
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taglists = tags.values()
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tags = []
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extend = tags.extend
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for taglist in taglists:
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extend(taglist)
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tags.sort()
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fp.write("\n".join(tags) + "\n")
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def _write_json(self, fp, kwdict):
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util.dump_json(util.filter_dict(kwdict), fp, self.ascii, self.indent)
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__postprocessor__ = MetadataPP
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