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-rw-r--r--docs/release/scripts/build/msgfmt.py155
1 files changed, 110 insertions, 45 deletions
diff --git a/docs/release/scripts/build/msgfmt.py b/docs/release/scripts/build/msgfmt.py
index f28c2fcf6c6..deb02ae32b2 100644
--- a/docs/release/scripts/build/msgfmt.py
+++ b/docs/release/scripts/build/msgfmt.py
@@ -1,6 +1,6 @@
-#!/usr/bin/env python2
-# -*- coding: iso-8859-1 -*-
-# Written by Martin v. Löwis <loewis@informatik.hu-berlin.de>
+#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+# Written by Martin v. Löwis <loewis@informatik.hu-berlin.de>
"""Generate binary message catalog from textual translation description.
@@ -25,49 +25,71 @@ Options:
Display version information and exit.
"""
+from __future__ import print_function
import os
import sys
-import ast
import getopt
import struct
import array
+import re
+import codecs
+from email.parser import HeaderParser
-__version__ = "1.1"
+__version__ = "1.2"
MESSAGES = {}
-
+
def usage(code, msg=''):
- print >> sys.stderr, __doc__
+ print(__doc__, file=sys.stderr)
if msg:
- print >> sys.stderr, msg
+ print(msg, file=sys.stderr)
sys.exit(code)
-
+
def add(id, str, fuzzy):
"Add a non-fuzzy translation to the dictionary."
global MESSAGES
if not fuzzy and str:
MESSAGES[id] = str
+def dequote(s):
+ if (s[0] == s[-1]) and s.startswith(("'", '"')):
+ return s[1:-1]
+ return s
+
+# decode_escapes from http://stackoverflow.com/a/24519338
+ESCAPE_SEQUENCE_RE = re.compile(r'''
+ ( \\U........ # 8-digit hex escapes
+ | \\u.... # 4-digit hex escapes
+ | \\x.. # 2-digit hex escapes
+ | \\[0-7]{1,3} # Octal escapes
+ | \\N\{[^}]+\} # Unicode characters by name
+ | \\[\\'"abfnrtv] # Single-character escapes
+ )''', re.UNICODE | re.VERBOSE)
+
+def decode_escapes(s):
+ def decode_match(match):
+ return codecs.decode(match.group(0), 'unicode-escape')
+
+ return ESCAPE_SEQUENCE_RE.sub(decode_match, s)
+
-
def generate():
"Return the generated output."
global MESSAGES
- keys = MESSAGES.keys()
# the keys are sorted in the .mo file
- keys.sort()
+ keys = sorted(MESSAGES.keys())
offsets = []
- ids = strs = ''
+ ids = strs = b''
for id in keys:
# For each string, we need size and file offset. Each string is NUL
# terminated; the NUL does not count into the size.
offsets.append((len(ids), len(id), len(strs), len(MESSAGES[id])))
- ids += id + '\0'
- strs += MESSAGES[id] + '\0'
+ ids += id + b'\0'
+ strs += MESSAGES[id] + b'\0'
output = ''
# The header is 7 32-bit unsigned integers. We don't use hash tables, so
# the keys start right after the index tables.
@@ -84,7 +106,7 @@ def generate():
voffsets += [l2, o2+valuestart]
offsets = koffsets + voffsets
output = struct.pack("Iiiiiii",
- 0x950412deL, # Magic
+ 0x950412de, # Magic
0, # Version
len(keys), # # of entries
7*4, # start of key index
@@ -96,7 +118,7 @@ def generate():
return output
-
+
def make(filename, outfile):
ID = 1
STR = 2
@@ -110,18 +132,27 @@ def make(filename, outfile):
outfile = os.path.splitext(infile)[0] + '.mo'
try:
- lines = open(infile).readlines()
- except IOError, msg:
- print >> sys.stderr, msg
+ lines = open(infile, 'rb').readlines()
+ except IOError as msg:
+ print(msg, file=sys.stderr)
sys.exit(1)
section = None
fuzzy = 0
+ empty = 0
+ header_attempted = False
+
+ # Start off assuming Latin-1, so everything decodes without failure,
+ # until we know the exact encoding
+ encoding = 'latin-1'
+
+ # Start off assuming Latin-1, so everything decodes without failure,
+ # until we know the exact encoding
+ encoding = 'latin-1'
# Parse the catalog
- lno = 0
- for l in lines:
- lno += 1
+ for lno, l in enumerate(lines):
+ l = l.decode(encoding)
# If we get a comment line after a msgstr, this is a new entry
if l[0] == '#' and section == STR:
add(msgid, msgstr, fuzzy)
@@ -137,49 +168,83 @@ def make(filename, outfile):
if l.startswith('msgid') and not l.startswith('msgid_plural'):
if section == STR:
add(msgid, msgstr, fuzzy)
+ if not msgid:
+ # See whether there is an encoding declaration
+ p = HeaderParser()
+ charset = p.parsestr(msgstr.decode(encoding)).get_content_charset()
+ if charset:
+ encoding = charset
section = ID
l = l[5:]
- msgid = msgstr = ''
+ msgid = msgstr = b''
is_plural = False
+ if l.strip() == '""':
+ # Check if next line is msgstr. If so, this is a multiline msgid.
+ if lines[lno+1].decode(encoding).startswith('msgstr'):
+ # If this is the first empty msgid and is followed by msgstr, this is the header, which may contain the encoding declaration.
+ # Otherwise this file is not valid
+ if empty > 1:
+ print("Found multiple empty msgids on line " + str(lno) + ", not valid!")
+ empty += 1
# This is a message with plural forms
elif l.startswith('msgid_plural'):
if section != ID:
- print >> sys.stderr, 'msgid_plural not preceded by msgid on %s:%d' %\
- (infile, lno)
+ print('msgid_plural not preceded by msgid on %s:%d' % (infile, lno),
+ file=sys.stderr)
sys.exit(1)
l = l[12:]
- msgid += '\0' # separator of singular and plural
+ msgid += b'\0' # separator of singular and plural
is_plural = True
# Now we are in a msgstr section
elif l.startswith('msgstr'):
section = STR
if l.startswith('msgstr['):
if not is_plural:
- print >> sys.stderr, 'plural without msgid_plural on %s:%d' %\
- (infile, lno)
+ print('plural without msgid_plural on %s:%d' % (infile, lno),
+ file=sys.stderr)
sys.exit(1)
l = l.split(']', 1)[1]
if msgstr:
- msgstr += '\0' # Separator of the various plural forms
+ msgstr += b'\0' # Separator of the various plural forms
else:
+ if (l[6:].strip() == '""') and (empty == 1) and (not header_attempted):
+ header = ""
+ # parse up until next empty line = end of header
+ hdrno = lno
+ while(hdrno < len(lines)-1):
+ # This is a roundabout way to strip non-ASCII unicode characters from the header.
+ # As we are only parsing out the encoding, we don't need any unicode chars in it.
+ l = lines[hdrno+1].decode('unicode_escape').encode('ascii','ignore').decode(encoding)
+ if l.strip():
+ header += decode_escapes(dequote(l.strip()))
+ else:
+ break
+ hdrno += 1
+ # See whether there is an encoding declaration
+ if(hdrno > lno):
+ p = HeaderParser()
+ charset = p.parsestr(str(header)).get_content_charset()
+ header_attempted = True
+ if charset:
+ encoding = charset
if is_plural:
- print >> sys.stderr, 'indexed msgstr required for plural on %s:%d' %\
- (infile, lno)
+ print('indexed msgstr required for plural on %s:%d' % (infile, lno),
+ file=sys.stderr)
sys.exit(1)
l = l[6:]
# Skip empty lines
l = l.strip()
if not l:
continue
- l = ast.literal_eval(l)
+ l = decode_escapes(dequote(l)) # strip quotes and replace newlines if present
if section == ID:
- msgid += l
+ msgid += l.encode(encoding)
elif section == STR:
- msgstr += l
+ msgstr += l.encode(encoding)
else:
- print >> sys.stderr, 'Syntax error on %s:%d' % (infile, lno), \
- 'before:'
- print >> sys.stderr, l
+ print('Syntax error on %s:%d' % (infile, lno), \
+ 'before:', file=sys.stderr)
+ print(l, file=sys.stderr)
sys.exit(1)
# Add last entry
if section == STR:
@@ -190,16 +255,16 @@ def make(filename, outfile):
try:
open(outfile,"wb").write(output)
- except IOError,msg:
- print >> sys.stderr, msg
+ except IOError as msg:
+ print(msg, file=sys.stderr)
+
-
def main():
try:
opts, args = getopt.getopt(sys.argv[1:], 'hVo:',
['help', 'version', 'output-file='])
- except getopt.error, msg:
+ except getopt.error as msg:
usage(1, msg)
outfile = None
@@ -208,14 +273,14 @@ def main():
if opt in ('-h', '--help'):
usage(0)
elif opt in ('-V', '--version'):
- print >> sys.stderr, "msgfmt.py", __version__
+ print("msgfmt.py", __version__)
sys.exit(0)
elif opt in ('-o', '--output-file'):
outfile = arg
# do it
if not args:
- print >> sys.stderr, 'No input file given'
- print >> sys.stderr, "Try `msgfmt --help' for more information."
+ print('No input file given', file=sys.stderr)
+ print("Try `msgfmt --help' for more information.", file=sys.stderr)
return
for filename in args: