#! /usr/bin/python2.7

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# -*- coding: iso-8859-1 -*-

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# Originally written by Barry Warsaw <barry@python.org>

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#

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# Minimally patched to make it even more xgettext compatible

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# by Peter Funk <pf@artcom-gmbh.de>

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#

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# Added checks that _() only contains string literals, and

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# command line args are resolved to module lists, i.e. you

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# can now pass a filename, a module or package name, or a

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# directory (including globbing chars, important for Win32).

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# Made docstring fit in 80 chars wide displays using pydoc.

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#

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# for selftesting

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try:

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import fintl

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_ = fintl.gettext

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except ImportError:

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_ = lambda s: s

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__doc__ = _("""pygettext -- Python equivalent of xgettext(1)

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Many systems (Solaris, Linux, Gnu) provide extensive tools that ease the

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internationalization of C programs. Most of these tools are independent of

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the programming language and can be used from within Python programs.

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Martin von Loewis' work[1] helps considerably in this regard.

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There's one problem though; xgettext is the program that scans source code

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looking for message strings, but it groks only C (or C++). Python

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introduces a few wrinkles, such as dual quoting characters, triple quoted

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strings, and raw strings. xgettext understands none of this.

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Enter pygettext, which uses Python's standard tokenize module to scan

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Python source code, generating .pot files identical to what GNU xgettext[2]

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generates for C and C++ code. From there, the standard GNU tools can be

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used.

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A word about marking Python strings as candidates for translation. GNU

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xgettext recognizes the following keywords: gettext, dgettext, dcgettext,

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and gettext_noop. But those can be a lot of text to include all over your

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code. C and C++ have a trick: they use the C preprocessor. Most

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internationalized C source includes a #define for gettext() to _() so that

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what has to be written in the source is much less. Thus these are both

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translatable strings:

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gettext("Translatable String")

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_("Translatable String")

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Python of course has no preprocessor so this doesn't work so well. Thus,

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pygettext searches only for _() by default, but see the -k/--keyword flag

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below for how to augment this.

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[1] http://www.python.org/workshops/1997-10/proceedings/loewis.html

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[2] http://www.gnu.org/software/gettext/gettext.html

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NOTE: pygettext attempts to be option and feature compatible with GNU

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xgettext where ever possible. However some options are still missing or are

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not fully implemented. Also, xgettext's use of command line switches with

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option arguments is broken, and in these cases, pygettext just defines

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additional switches.

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Usage: pygettext [options] inputfile ...

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Options:

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-a

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--extract-all

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Extract all strings.

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-d name

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--default-domain=name

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Rename the default output file from messages.pot to name.pot.

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-E

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--escape

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Replace non-ASCII characters with octal escape sequences.

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-D

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--docstrings

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Extract module, class, method, and function docstrings. These do

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not need to be wrapped in _() markers, and in fact cannot be for

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Python to consider them docstrings. (See also the -X option).

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-h

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--help

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Print this help message and exit.

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-k word

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--keyword=word

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Keywords to look for in addition to the default set, which are:

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%(DEFAULTKEYWORDS)s

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You can have multiple -k flags on the command line.

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-K

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--no-default-keywords

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Disable the default set of keywords (see above). Any keywords

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explicitly added with the -k/--keyword option are still recognized.

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--no-location

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Do not write filename/lineno location comments.

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-n

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--add-location

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Write filename/lineno location comments indicating where each

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extracted string is found in the source. These lines appear before

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each msgid. The style of comments is controlled by the -S/--style

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option. This is the default.

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-o filename

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--output=filename

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Rename the default output file from messages.pot to filename. If

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filename is `-' then the output is sent to standard out.

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-p dir

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--output-dir=dir

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Output files will be placed in directory dir.

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-S stylename

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--style stylename

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Specify which style to use for location comments. Two styles are

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supported:

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Solaris # File: filename, line: line-number

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GNU #: filename:line

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The style name is case insensitive. GNU style is the default.

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-v

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--verbose

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Print the names of the files being processed.

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-V

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--version

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Print the version of pygettext and exit.

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-w columns

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--width=columns

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Set width of output to columns.

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-x filename

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--exclude-file=filename

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Specify a file that contains a list of strings that are not be

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extracted from the input files. Each string to be excluded must

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appear on a line by itself in the file.

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-X filename

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--no-docstrings=filename

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Specify a file that contains a list of files (one per line) that

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should not have their docstrings extracted. This is only useful in

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conjunction with the -D option above.

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If `inputfile' is -, standard input is read.

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""")

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import os

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import imp

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import sys

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import glob

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import time

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import getopt

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import token

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import tokenize

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import operator

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__version__ = '1.5'

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default_keywords = ['_']

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DEFAULTKEYWORDS = ', '.join(default_keywords)

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EMPTYSTRING = ''

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# The normal pot-file header. msgmerge and Emacs's po-mode work better if it's

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# there.

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pot_header = _('''\

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# SOME DESCRIPTIVE TITLE.

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# Copyright (C) YEAR ORGANIZATION

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# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.

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#

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msgid ""

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msgstr ""

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"Project-Id-Version: PACKAGE VERSION\\n"

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"POT-Creation-Date: %(time)s\\n"

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"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\\n"

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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\\n"

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"Language-Team: LANGUAGE <LL@li.org>\\n"

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"MIME-Version: 1.0\\n"

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"Content-Type: text/plain; charset=CHARSET\\n"

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"Content-Transfer-Encoding: ENCODING\\n"

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"Generated-By: pygettext.py %(version)s\\n"

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''')

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def usage(code, msg=''):

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print >> sys.stderr, __doc__ % globals()

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if msg:

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print >> sys.stderr, msg

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sys.exit(code)

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escapes = []

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def make_escapes(pass_iso8859):

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global escapes

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escapes = [chr(i) for i in range(256)]

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if pass_iso8859:

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# Allow iso-8859 characters to pass through so that e.g. 'msgid

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# escape any character outside the 32..126 range.

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mod = 128

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else:

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mod = 256

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for i in range(mod):

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if not(32 <= i <= 126):

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escapes[i] = "\\%03o" % i

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escapes[ord('\\')] = '\\\\'

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escapes[ord('\t')] = '\\t'

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escapes[ord('\r')] = '\\r'

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escapes[ord('\n')] = '\\n'

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escapes[ord('\"')] = '\\"'

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def escape(s):

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global escapes

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s = list(s)

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for i in range(len(s)):

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s[i] = escapes[ord(s[i])]

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return EMPTYSTRING.join(s)

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def safe_eval(s):

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# unwrap quotes, safely

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return eval(s, {'__builtins__':{}}, {})

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def normalize(s):

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# This converts the various Python string types into a format that is

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# appropriate for .po files, namely much closer to C style.

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lines = s.split('\n')

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if len(lines) == 1:

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s = '"' + escape(s) + '"'

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else:

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if not lines[-1]:

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del lines[-1]

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lines[-1] = lines[-1] + '\n'

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for i in range(len(lines)):

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lines[i] = escape(lines[i])

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lineterm = '\\n"\n"'

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s = '""\n"' + lineterm.join(lines) + '"'

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return s

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def containsAny(str, set):

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"""Check whether 'str' contains ANY of the chars in 'set'"""

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return 1 in [c in str for c in set]

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def _get_modpkg_path(dotted_name, pathlist=None):

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"""Get the filesystem path for a module or a package.

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Return the file system path to a file for a module, and to a directory for

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a package. Return None if the name is not found, or is a builtin or

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extension module.

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"""

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# split off top-most name

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parts = dotted_name.split('.', 1)

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if len(parts) > 1:

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# we have a dotted path, import top-level package

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try:

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file, pathname, description = imp.find_module(parts[0], pathlist)

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if file: file.close()

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except ImportError:

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return None

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# check if it's indeed a package

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if description[2] == imp.PKG_DIRECTORY:

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# recursively handle the remaining name parts

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pathname = _get_modpkg_path(parts[1], [pathname])

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else:

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pathname = None

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else:

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# plain name

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try:

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file, pathname, description = imp.find_module(

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dotted_name, pathlist)

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if file:

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file.close()

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if description[2] not in [imp.PY_SOURCE, imp.PKG_DIRECTORY]:

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pathname = None

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except ImportError:

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pathname = None

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return pathname

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def getFilesForName(name):

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"""Get a list of module files for a filename, a module or package name,

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or a directory.

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"""

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if not os.path.exists(name):

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# check for glob chars

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if containsAny(name, "*?[]"):

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files = glob.glob(name)

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list = []

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for file in files:

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list.extend(getFilesForName(file))

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return list

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# try to find module or package

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name = _get_modpkg_path(name)

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if not name:

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return []

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if os.path.isdir(name):

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# find all python files in directory

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list = []

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# get extension for python source files

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if '_py_ext' not in globals():

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global _py_ext

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_py_ext = [triple[0] for triple in imp.get_suffixes()

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if triple[2] == imp.PY_SOURCE][0]

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for root, dirs, files in os.walk(name):

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# don't recurse into CVS directories

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if 'CVS' in dirs:

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dirs.remove('CVS')

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# add all *.py files to list

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list.extend(

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[os.path.join(root, file) for file in files

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if os.path.splitext(file)[1] == _py_ext]

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)

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return list

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elif os.path.exists(name):

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# a single file

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return [name]

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return []

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class TokenEater:

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def __init__(self, options):

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self.__options = options

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self.__messages = {}

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self.__state = self.__waiting

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self.__data = []

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self.__lineno = -1

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self.__freshmodule = 1

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self.__curfile = None

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def __call__(self, ttype, tstring, stup, etup, line):

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# dispatch

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## import token

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## print >> sys.stderr, 'ttype:', token.tok_name[ttype], \

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## 'tstring:', tstring

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self.__state(ttype, tstring, stup[0])

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def __waiting(self, ttype, tstring, lineno):

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opts = self.__options

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# Do docstring extractions, if enabled

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if opts.docstrings and not opts.nodocstrings.get(self.__curfile):

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# module docstring?

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if self.__freshmodule:

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if ttype == tokenize.STRING:

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self.__addentry(safe_eval(tstring), lineno, isdocstring=1)

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self.__freshmodule = 0

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elif ttype not in (tokenize.COMMENT, tokenize.NL):

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self.__freshmodule = 0

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return

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# class docstring?

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if ttype == tokenize.NAME and tstring in ('class', 'def'):

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self.__state = self.__suiteseen

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return

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if ttype == tokenize.NAME and tstring in opts.keywords:

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self.__state = self.__keywordseen

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def __suiteseen(self, ttype, tstring, lineno):

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# ignore anything until we see the colon

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if ttype == tokenize.OP and tstring == ':':

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self.__state = self.__suitedocstring

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def __suitedocstring(self, ttype, tstring, lineno):

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# ignore any intervening noise

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if ttype == tokenize.STRING:

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self.__addentry(safe_eval(tstring), lineno, isdocstring=1)

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self.__state = self.__waiting

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elif ttype not in (tokenize.NEWLINE, tokenize.INDENT,

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tokenize.COMMENT):

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# there was no class docstring

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self.__state = self.__waiting

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def __keywordseen(self, ttype, tstring, lineno):

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if ttype == tokenize.OP and tstring == '(':

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self.__data = []

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self.__lineno = lineno

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self.__state = self.__openseen

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else:

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self.__state = self.__waiting

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def __openseen(self, ttype, tstring, lineno):

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if ttype == tokenize.OP and tstring == ')':

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# We've seen the last of the translatable strings. Record the

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# line number of the first line of the strings and update the list

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# of messages seen. Reset state for the next batch. If there

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# were no strings inside _(), then just ignore this entry.

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if self.__data:

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self.__addentry(EMPTYSTRING.join(self.__data))

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self.__state = self.__waiting

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elif ttype == tokenize.STRING:

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self.__data.append(safe_eval(tstring))

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elif ttype not in [tokenize.COMMENT, token.INDENT, token.DEDENT,

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token.NEWLINE, tokenize.NL]:

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# warn if we see anything else than STRING or whitespace

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print >> sys.stderr, _(

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'*** %(file)s:%(lineno)s: Seen unexpected token "%(token)s"'

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) % {

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'token': tstring,

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'file': self.__curfile,

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'lineno': self.__lineno

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}

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self.__state = self.__waiting

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def __addentry(self, msg, lineno=None, isdocstring=0):

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if lineno is None:

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lineno = self.__lineno

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if not msg in self.__options.toexclude:

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entry = (self.__curfile, lineno)

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self.__messages.setdefault(msg, {})[entry] = isdocstring

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def set_filename(self, filename):

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self.__curfile = filename

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self.__freshmodule = 1

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def write(self, fp):

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options = self.__options

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timestamp = time.strftime('%Y-%m-%d %H:%M+%Z')

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# The time stamp in the header doesn't have the same format as that

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# generated by xgettext...

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print >> fp, pot_header % {'time': timestamp, 'version': __version__}

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# Sort the entries. First sort each particular entry's keys, then

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# sort all the entries by their first item.

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reverse = {}

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for k, v in self.__messages.items():

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keys = v.keys()

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keys.sort()

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reverse.setdefault(tuple(keys), []).append((k, v))

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rkeys = reverse.keys()

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rkeys.sort()

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for rkey in rkeys:

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rentries = reverse[rkey]

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rentries.sort()

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for k, v in rentries:

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isdocstring = 0

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# If the entry was gleaned out of a docstring, then add a

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# comment stating so. This is to aid translators who may wish

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# to skip translating some unimportant docstrings.

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if reduce(operator.__add__, v.values()):

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isdocstring = 1

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# k is the message string, v is a dictionary-set of (filename,

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# lineno) tuples. We want to sort the entries in v first by

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# file name and then by line number.

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v = v.keys()

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v.sort()

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if not options.writelocations:

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pass

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# location comments are different b/w Solaris and GNU:

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elif options.locationstyle == options.SOLARIS:

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for filename, lineno in v:

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d = {'filename': filename, 'lineno': lineno}

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print >>fp, _(

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'# File: %(filename)s, line: %(lineno)d') % d

[475] Fix | Delete

elif options.locationstyle == options.GNU:

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# fit as many locations on one line, as long as the

[477] Fix | Delete

# resulting line length doesn't exceed 'options.width'

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locline = '#:'

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for filename, lineno in v:

[480] Fix | Delete

d = {'filename': filename, 'lineno': lineno}

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s = _(' %(filename)s:%(lineno)d') % d

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if len(locline) + len(s) <= options.width:

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locline = locline + s

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else:

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print >> fp, locline

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locline = "#:" + s

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if len(locline) > 2:

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print >> fp, locline

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if isdocstring:

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print >> fp, '#, docstring'

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print >> fp, 'msgid', normalize(k)

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print >> fp, 'msgstr ""\n'

[493] Fix | Delete

[494] Fix | Delete

[495] Fix | Delete



[496] Fix | Delete

def main():

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global default_keywords

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try:

[499] Fix | Delete