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100 lines
3.0 KiB
100 lines
3.0 KiB
# -*- coding: utf-8 -*-
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# Copyright 2019 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 JSON files"""
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from .common import PostProcessor
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from .. import util
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import os
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class MetadataPP(PostProcessor):
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def __init__(self, pathfmt, options):
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PostProcessor.__init__(self)
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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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self.contentfmt = util.Formatter(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 = directory.rstrip(sep) + os.sep
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extfmt = options.get("extension-format")
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if extfmt:
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self._filename = self._filename_custom
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self.extfmt = util.Formatter(extfmt).format_map
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else:
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self.extension = options.get("extension", ext)
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if options.get("bypost"):
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self.run_metadata, self.run = self.run, self.run_metadata
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def run(self, pathfmt):
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path = self._directory(pathfmt) + self._filename(pathfmt)
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with open(path, "w", encoding="utf-8") as file:
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self.write(file, 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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directory = os.path.join(pathfmt.realdirectory, self.metadir)
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os.makedirs(directory, exist_ok=True)
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return directory
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def _filename(self, pathfmt):
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return pathfmt.filename + "." + self.extension
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def _filename_custom(self, pathfmt):
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kwdict = pathfmt.kwdict
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ext = kwdict["extension"]
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kwdict["extension"] = pathfmt.extension
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kwdict["extension"] = pathfmt.prefix + self.extfmt(kwdict)
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filename = pathfmt.build_filename()
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kwdict["extension"] = ext
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return filename
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def _write_custom(self, file, kwdict):
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file.write(self.contentfmt(kwdict))
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def _write_tags(self, file, 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 not isinstance(tags, list):
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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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file.write("\n".join(tags))
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file.write("\n")
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def _write_json(self, file, kwdict):
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util.dump_json(util.filter_dict(kwdict), file, self.ascii, self.indent)
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__postprocessor__ = MetadataPP
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