From: W. Trevor King Date: Fri, 16 Jul 2010 05:04:56 +0000 (-0400) Subject: Began versioning X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=0341097c0245f74a7fee24a54a3c24d5dd711fe4;p=dirtag.git Began versioning --- 0341097c0245f74a7fee24a54a3c24d5dd711fe4 diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..94a9ed0 --- /dev/null +++ b/COPYING @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/README b/README new file mode 100644 index 0000000..cc10340 --- /dev/null +++ b/README @@ -0,0 +1,49 @@ +Dirtag +------ + +Tag files using symbolic links. + +This makes it easy to tag music, pictures, etc., but retain simple +access tagged categories using the command line or dumb tools. + +For example, with a raw directory like this:: + + raw + |-- a + | |-- a1.dat + | |-- a2.dat + | `-- a3.dat + `-- b + |-- b1.dat + |-- b2.dat + `-- b3.dat + +You could create a tag directory like this:: + + tag/ + |-- 1 + | |-- a1.dat -> ../../raw/a/a1.dat + | `-- b1.dat -> ../../raw/b/b1.dat + `-- x + |-- a2.dat -> ../../raw/a/a2.dat + |-- b3.dat -> ../../raw/b/b3.dat + `-- y + `-- b1.dat -> ../../../raw/b/b1.dat + +Corresponding to the following tags:: + + a1.dat 1 + a2.dat x + a3.dat + b1.dat 1, x/y + b2.dat + b3.dat x + +Then you could play all your x/y music with:: + + $ ogg123 tag/x/y/* + +Or do whatever appropriate actions you want. Dirtag provides a nice, +clean web interface to maintaining such a system, so that those who +are less familiar with the command line can comfortably maintain the +tag database. diff --git a/dirtag/__init__.py b/dirtag/__init__.py new file mode 100644 index 0000000..b8f49c7 --- /dev/null +++ b/dirtag/__init__.py @@ -0,0 +1,173 @@ +#!/usr/bin/python +# Copyright (C) 2010 W. Trevor King +# +# This file is part of Dirtag. +# +# Dirtag 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. +# +# Dirtag 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 Dirtag. If not, see . + +import os +import os.path + + +class Tree (list): + """ + >>> t = Tree('a') + >>> t.append(Tree('1')) + >>> t.append(Tree('2')) + >>> t[0].append(Tree('A')) + >>> print '\\n'.join(['|'.join(x) for x in t.traverse()]) + a + a|1 + a|1|A + a|2 + >>> print '\\n'.join(['|'.join(x) for x in t.traverse(prefix=['z'])]) + z|a + z|a|1 + z|a|1|A + z|a|2 + >>> print '\\n'.join(['|'.join(x) for x in t.traverse(depth=1)]) + 1 + 1|A + 2 + """ + def __init__(self, data=None, *args, **kwargs): + self.data = data + list.__init__(self, *args, **kwargs) + + def traverse(self, prefix=[], depth=0): + p = prefix + [self.data] + if depth < len(p): + yield p[depth:] + for child in self: + if hasattr(child, 'traverse'): + for grandchild in child.traverse(p, depth=depth): + yield grandchild + elif depth <= len(p): + yield (p + [child])[depth:] + + +def dir_tree(root_dir): + """Generate a directory tree. + + >>> t = dir_tree('test/tag') + >>> print '\\n'.join(['|'.join(x) for x in t.traverse(depth=1)]) + 1 + 1|a1.dat + 1|b1.dat + x + x|y + x|y|b1.dat + x|a2.dat + x|b3.dat + """ + trees = {} + for dirpath,dirnames,filenames in os.walk(root_dir, followlinks=True): + t = trees.get( + dirpath, + Tree(os.path.basename(dirpath))) + if dirpath == root_dir: + root = t + for d in sorted(dirnames): + t2 = Tree(d) + trees[os.path.join(dirpath, d)] = t2 + t.append(t2) + t.extend(sorted(filenames)) + return root + + +class Dirtag (object): + """ + >>> d = Dirtag('test/raw', 'test/tag') + >>> print '\\n'.join(['|'.join(x) for x in d.elements()]) + a + a|a1.dat + a|a2.dat + a|a3.dat + b + b|b1.dat + b|b2.dat + b|b3.dat + >>> print '\\n'.join(['|'.join(x) for x in d.elements(['x'])]) + x|y + x|y|b1.dat + x|a2.dat + x|b3.dat + >>> print '\\n'.join(['|'.join(x) for x in d.tags(['b', 'b2.dat'])]) + + >>> print '\\n'.join(['|'.join(x) for x in d.tags(['b', 'b1.dat'])]) + 1 + x|y + + >>> print d.tag_path(['a', 'a3.dat'], ['x', 'y']) + test/tag/x/y/a3.dat + >>> os.listdir('test/tag/x/y') + ['b1.dat'] + >>> d.add_tag(['a', 'a3.dat'], ['x', 'y']) + >>> os.listdir('test/tag/x/y') + ['a3.dat', 'b1.dat'] + >>> print 'Z'+os.path.realpath('test/tag/x/y/a3.dat') # doctest: +ELLIPSIS + Z.../test/raw/a/a3.dat + >>> d.remove_tag(['a', 'a3.dat'], ['x', 'y']) + >>> os.listdir('test/tag/x/y') + ['b1.dat'] + """ + def __init__(self, raw_dir, tag_dir): + self.raw_dir = raw_dir + self.tag_dir = tag_dir + + def elements(self, tag=None): + if tag == None: + tag = [] + nodes = dir_tree(self.raw_dir).traverse(depth=1) + else: + p = [self.tag_dir]+tag + nodes = dir_tree(os.path.join(*p)).traverse( + prefix=p[:-1], depth=len(p)) + for node in nodes: + yield tag+node + + def tags(self, target): + for node in dir_tree(self.tag_dir).traverse(depth=1): + p = os.path.join(*([self.tag_dir]+node)) + t = os.path.abspath(os.path.join(*([self.raw_dir] + target))) + if (os.path.islink(p) and os.path.realpath(p) == t): + yield os.path.join(node[:-1]) + + def tag_path(self, target, tag): + # TODO: assumes unique basenames. Check? + return os.path.join(*([self.tag_dir] + tag + target[-1:])) + + def add_tag(self, target, tag): + tag_path = self.tag_path(target, tag) + target_path = os.path.abspath(os.path.join(*([self.raw_dir]+target))) + cwd = os.getcwd() + try: + os.chdir(os.path.dirname(tag_path)) + os.symlink(os.path.relpath(target_path), + os.path.basename(tag_path)) + finally: + os.chdir(cwd) + + def remove_tag(self, target, tag): + tag_path = self.tag_path(target, tag) + cwd = os.getcwd() + try: + os.chdir(os.path.dirname(tag_path)) + os.remove(os.path.basename(tag_path)) + finally: + os.chdir(cwd) + +if __name__ == '__main__': + import doctest + doctest.testmod() diff --git a/test/raw/a/a1.dat b/test/raw/a/a1.dat new file mode 100644 index 0000000..e69de29 diff --git a/test/raw/a/a2.dat b/test/raw/a/a2.dat new file mode 100644 index 0000000..e69de29 diff --git a/test/raw/a/a3.dat b/test/raw/a/a3.dat new file mode 100644 index 0000000..e69de29 diff --git a/test/raw/b/b1.dat b/test/raw/b/b1.dat new file mode 100644 index 0000000..e69de29 diff --git a/test/raw/b/b2.dat b/test/raw/b/b2.dat new file mode 100644 index 0000000..e69de29 diff --git a/test/raw/b/b3.dat b/test/raw/b/b3.dat new file mode 100644 index 0000000..e69de29 diff --git a/test/tag/1/a1.dat b/test/tag/1/a1.dat new file mode 120000 index 0000000..3042c93 --- /dev/null +++ b/test/tag/1/a1.dat @@ -0,0 +1 @@ +../../raw/a/a1.dat \ No newline at end of file diff --git a/test/tag/1/b1.dat b/test/tag/1/b1.dat new file mode 120000 index 0000000..44c6413 --- /dev/null +++ b/test/tag/1/b1.dat @@ -0,0 +1 @@ +../../raw/b/b1.dat \ No newline at end of file diff --git a/test/tag/x/a2.dat b/test/tag/x/a2.dat new file mode 120000 index 0000000..5cdade1 --- /dev/null +++ b/test/tag/x/a2.dat @@ -0,0 +1 @@ +../../raw/a/a2.dat \ No newline at end of file diff --git a/test/tag/x/b3.dat b/test/tag/x/b3.dat new file mode 120000 index 0000000..f59149b --- /dev/null +++ b/test/tag/x/b3.dat @@ -0,0 +1 @@ +../../raw/b/b3.dat \ No newline at end of file diff --git a/test/tag/x/y/b1.dat b/test/tag/x/y/b1.dat new file mode 120000 index 0000000..e21605f --- /dev/null +++ b/test/tag/x/y/b1.dat @@ -0,0 +1 @@ +../../../raw/b/b1.dat \ No newline at end of file