73 lines
2.6 KiB
Python
73 lines
2.6 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# GuessIt - A library for guessing information from filenames
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# Copyright (c) 2013 Nicolas Wack <wackou@gmail.com>
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#
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# GuessIt is free software; you can redistribute it and/or modify it under
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# the terms of the Lesser GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# GuessIt is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# Lesser GNU General Public License for more details.
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#
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# You should have received a copy of the Lesser GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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from __future__ import absolute_import, division, print_function, unicode_literals
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from os.path import splitext
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from guessit.plugins.transformers import Transformer
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from guessit import fileutils
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class SplitPathComponents(Transformer):
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def __init__(self):
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Transformer.__init__(self, 255)
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def process(self, mtree, options=None):
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"""first split our path into dirs + basename + ext
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:return: the filename split into [ dir*, basename, ext ]
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"""
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if not options.get('name_only'):
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components = fileutils.split_path(mtree.value)
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basename = components.pop(-1)
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components += list(splitext(basename))
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components[-1] = components[-1][1:] # remove the '.' from the extension
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mtree.split_on_components(components, category='path')
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else:
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mtree.split_on_components([mtree.value, ''], category='path')
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def post_process(self, mtree, options=None):
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"""
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Decrease confidence for properties found in directories, filename should always have priority.
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:param mtree:
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:param options:
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:return:
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"""
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if not options.get('name_only'):
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path_nodes = [node for node in mtree.nodes() if node.category == 'path']
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for path_node in path_nodes[:-2]:
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self.alter_confidence(path_node, 0.3)
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try:
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last_directory_node = path_nodes[-2]
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self.alter_confidence(last_directory_node, 0.6)
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except IndexError:
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pass
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def alter_confidence(self, node, factor):
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for guess in node.guesses:
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for k in guess.keys():
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confidence = guess.confidence(k)
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guess.set_confidence(k, confidence * factor)
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