5590 - mu - Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.

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author	Kartik Agaram <vc@akkartik.com>	2019-08-25 23:33:49 -0700
committer	Kartik Agaram <vc@akkartik.com>	2019-08-25 23:33:49 -0700
commit	e0d034b565d7851b87649f14257b48690592665b (patch)
tree	02f9515291aeaa636c106647f4011fb23bb02c07 /html/054string-equal.subx.html
parent	fc55af70a5b0771d7656024716a51345bbe11fcb (diff)
download	mu-e0d034b565d7851b87649f14257b48690592665b.tar.gz

5590

Diffstat (limited to 'html/054string-equal.subx.html')

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# Copyright (C) 2009, 2010 Roman Zimbelmann <romanz@lavabit.com> # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. from os.path import isdir, exists, dirname, abspath, realpath, expanduser import string ALLOWED_KEYS = string.ascii_letters + string.digits + string.punctuation class Tags(object): default_tag = '*' def __init__(self, filename): self._filename = realpath(abspath(expanduser(filename))) if isdir(dirname(self._filename)) and not exists(self._filename): open(self._filename, 'w') self.sync() def __contains__(self, item): return item in self.tags def add(self, *items, **others): if 'tag' in others: tag = others['tag'] else: tag = self.defautag self.sync() for item in items: self.tags[item] = tag self.dump() def remove(self, *items): self.sync() for item in items: try: del(self.tags[item]) except KeyError: pass self.dump() def toggle(self, *items, **others): if 'tag' in others: tag = others['tag'] else: tag = self.default_tag self.sync() for item in items: try: if item in self and tag in (self.tags[item], self.default_tag): del(self.tags[item]) else: self.tags[item] = tag except KeyError: pass self.dump() def marker(self, item): if item in self.tags: return self.tags[item] else: return self.default_tag def sync(self): try: f = open(self._filename, 'r') except OSError: pass else: self.tags = self._parse(f) f.close() def dump(self): try: f = open(self._filename, 'w') except OSError: pass else: self._compile(f) f.close() def _compile(self, f): for path, tag in self.tags.items(): if tag == self.default_tag: # COMPAT: keep the old format if the default tag is used f.write(path + '\n') elif tag in ALLOWED_KEYS: f.write('{0}:{1}\n'.format(tag, path)) def _parse(self, f): result = dict() for line in f: line = line.strip() if len(line) > 2 and line[1] == ':': tag, path = line[0], line[2:] if tag in ALLOWED_KEYS: result[path] = tag else: result[line] = self.default_tag return result def __nonzero__(self): return True __bool__ = __nonzero__


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