mirror of
https://bitbucket.org/smil3y/kde-workspace.git
synced 2025-02-27 12:22:52 +00:00
280 lines
8.9 KiB
Python
280 lines
8.9 KiB
Python
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#!/usr/bin/env python
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# -*- coding: UTF-8 -*-
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# Extract the PO template of XScreenSaver's hacks configurations.
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# Provide the target PO template path and one or more XScreenSaver
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# source distribution packages. For example:
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#
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# cd $SOMEWHERE/kscreensaver/kxsconfig
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# ./create-hacks-pot.py hacks.pot $OTHERWHERE/xscreensaver-*.tar.gz
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#
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# The created hacks.pot file in the current working directory
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# should then be committed.
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# Try to support last 3 years of XScreenSaver releases.
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#
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# Chusslove Illich <caslav.ilic@gmx.net>
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import sys
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import os
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import glob
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import re
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import shutil
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import tarfile
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import xml.parsers.expat
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def main ():
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if len(sys.argv) < 3:
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error("Usage: %s hacks.pot xscreensaver-X.Y.tar.gz..."
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% os.path.basename(sys.argv[0]))
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potpath = sys.argv[1]
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xsdistpaths = sys.argv[2:]
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xcfgex = XSCfgExtractor()
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xcfgex.extract(potpath, xsdistpaths)
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def error (msg):
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print "%s [error]: %s" % (os.path.basename(sys.argv[0]), msg)
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sys.exit(1)
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class XSCfgExtractor:
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def __init__ (self):
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pass
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def _prepare_xml_parser (self, relpath, releaseid):
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self._parser = xml.parsers.expat.ParserCreate()
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self._parser.UseForeignDTD() # to ignore non-default XML entities
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self._parser.StartElementHandler = self._handler_start_element
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self._parser.EndElementHandler = self._handler_end_element
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self._parser.CharacterDataHandler = self._handler_character_data
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# Data structures used in handlers
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self._element_stack = []
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self._releaseid = releaseid
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self._relpath = relpath
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self._chardata = []
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return self._parser
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def extract (self, potpath, distpaths):
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# Extract messages from all source packages.
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self.msgs = []
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tmpdir = "./xscreensaver-unpacked"
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if os.path.exists(tmpdir):
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shutil.rmtree(tmpdir)
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os.mkdir(tmpdir)
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for distpath in distpaths:
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# Extract release ID from the path.
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try:
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distbase = os.path.basename(distpath)
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p3 = distbase.rfind(".tar")
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p2 = distbase.rfind(".", 0, p3 - 1)
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p1 = distbase.rfind("-", 0, p2 - 1)
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majver = int(distbase[p1 + 1:p2])
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minver = int(distbase[p2 + 1:p3])
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except:
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error("Archive file name '%s' not in the form '%s'."
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% (distpath, "*-X.Y.tar.*"))
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releaseid = (majver, minver)
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# Unpack the source package and collect paths for extraction.
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tar = tarfile.open(distpath)
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tar.extractall(tmpdir)
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tar.close()
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srcdir = glob.glob(os.path.join(tmpdir, "*"))
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if len(srcdir) != 1:
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error("There should be only one top-level item "
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"in archive '%s'." % distpath)
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srcdir = srcdir[0]
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if not os.path.isdir(srcdir):
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error("The top-level item in archive '%s' "
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"is not a directory." % distpath)
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cfgdir = os.path.join(srcdir, "hacks", "config")
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cfgpaths = glob.glob(os.path.join(cfgdir, "*.xml"))
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cfgpaths.sort()
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# Extract messages from collected paths.
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for cfgpath in cfgpaths:
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# Make the path relative to source directory.
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relpath = cfgpath.replace(srcdir, "", 1)
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if relpath.startswith(os.path.sep):
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relpath = relpath[len(os.path.sep):]
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# Parse file.
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p = self._prepare_xml_parser(relpath, releaseid)
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fh = open(cfgpath, "r")
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p.ParseFile(fh)
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fh.close()
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shutil.rmtree(srcdir)
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shutil.rmtree(tmpdir)
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# Group messages by keys, preserving order of appearance.
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# Add paths only from the latest release where the message appears.
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self.msgs.sort(key=lambda m: [-v for v in m[4]])
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# ...sort descending by release ID, stable.
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msg_keys = []
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msgs_by_key = {}
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newest_releaseid = (0, 0)
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for msgctxt, msgid, path, lno, releaseid in self.msgs:
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msgkey = "%s\x04%s" % (msgctxt, msgid)
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msg = msgs_by_key.get(msgkey)
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if msg is None:
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msg = (msgctxt, msgid, [], releaseid)
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msgs_by_key[msgkey] = msg
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msg_keys.append(msgkey)
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if releaseid == msg[3]:
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msg[2].append((path, lno))
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newest_releaseid = max(newest_releaseid, releaseid)
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# Format messages into lines.
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msglines = []
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for msg in [msgs_by_key[x] for x in msg_keys]:
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msgctxt, msgid, srcrefs, releaseid = msg
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if releaseid != newest_releaseid:
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msglines.append("#. last-release: %d.%d\n" % releaseid)
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if srcrefs:
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srcrefstrs = ["%s:%s" % x for x in srcrefs]
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msglines.append("#: %s\n" % " ".join(srcrefstrs))
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if msgctxt is not None:
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msglines.append("msgctxt \"%s\"\n" % poescape(msgctxt))
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msglines.append("msgid \"%s\"\n" % poescape(msgid))
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msglines.append("msgstr \"\"\n")
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msglines.append("\n")
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# Write POT file.
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fh = open(potpath, "w")
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fh.writelines([x.encode("utf-8") for x in msglines])
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fh.close()
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def _handler_start_element (self, name, attrs):
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self._element_stack.append((name, attrs))
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self._startel_lno = self._parser.CurrentLineNumber
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releaseid = self._releaseid
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path = self._relpath
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lno = self._startel_lno
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if 0: pass
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elif name == "screensaver":
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msgid = attrs.get("_label")
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if msgid:
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ctxt = "@item screen saver name"
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self.msgs.append((ctxt, msgid, path, lno, releaseid))
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self._ssname_lno = lno
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self._ssname_pos = len(self.msgs) - 1
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elif name == "_description":
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self._chardata = []
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# Message created on end element.
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elif name == "number":
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label = attrs.get("_label")
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if label:
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ntype = attrs.get("type")
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ctxt = None
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if ntype == "slider":
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ctxt = "@label:slider"
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elif ntype == "spinbutton":
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ctxt = "@label:spinbox"
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self.msgs.append((ctxt, label, path, lno, releaseid))
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for limattr in ("_low-label", "_high-label"):
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limlabel = attrs.get(limattr)
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if limlabel:
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if label:
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ctxt = "@item:inrange %s" % label
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else:
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ctxt = "@item:inrange"
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self.msgs.append((ctxt, limlabel, path, lno, releaseid))
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elif name == "boolean":
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label = attrs.get("_label")
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if label:
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ctxt = "@option:check"
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self.msgs.append((ctxt, label, path, lno, releaseid))
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elif name == "string":
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label = attrs.get("_label")
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if label:
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ctxt = "@label:textbox"
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self.msgs.append((ctxt, label, path, lno, releaseid))
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elif name == "file":
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label = attrs.get("_label")
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if label:
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ctxt = "@label:chooser"
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self.msgs.append((ctxt, label, path, lno, releaseid))
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elif name == "select":
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label = attrs.get("_label")
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if label:
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ctxt = "@title:group"
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self.msgs.append((ctxt, label, path, lno, releaseid))
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elif name == "option":
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label = attrs.get("_label")
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if label:
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prevlabel = self._element_stack[-2][1].get("_label")
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if prevlabel:
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ctxt = "@option:radio %s" % prevlabel
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else:
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ctxt = "@option:radio"
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self.msgs.append((ctxt, label, path, lno, releaseid))
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#print name, attrs, self.parser.CurrentLineNumber
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def _handler_end_element (self, name):
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name, attr = self._element_stack.pop()
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releaseid = self._releaseid
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path = self._relpath
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lno = self._startel_lno
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if name == "_description":
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text = "".join(self._chardata)
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rx = re.compile(r"\s+", re.U)
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text = rx.sub(" ", text.strip())
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ctxt = "@info screen saver description"
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if text:
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# Fudge position of the message,
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# to have description right after the name in the PO file.
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msg = (ctxt, text, path, self._ssname_lno, releaseid)
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self.msgs.insert(self._ssname_pos + 1, msg)
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def _handler_character_data (self, text):
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self._chardata.append(text)
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def poescape (text):
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text = text.replace("\"", "\\\"")
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text = text.replace("\n", "\\n")
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text = text.replace("\t", "\\t")
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return text
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if __name__ == "__main__":
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main()
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