import time

locpfx = '#:svghmi.svg:'

pot_header = '''\

# SOME DESCRIPTIVE TITLE.

# Copyright (C) YEAR ORGANIZATION

# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.

#

msgid ""

msgstr ""

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

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

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

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

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

"MIME-Version: 1.0\\n"

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

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

"Generated-By: SVGHMI 1.0\\n"

'''

class POTWriter:

def __init__(self):

self.__messages = {}

def ImportMessages(self, msgs):

for msg in msgs:

self.addentry("\n".join([line.text for line in msg]), msg.get("label"), msg.get("id"))

def addentry(self, msg, label, svgid):

entry = (label, svgid)

self.__messages.setdefault(msg, set()).add(entry)

def write(self, fp):

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

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

reverse = {}

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

keys = list(v)

keys.sort()

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

rkeys = reverse.keys()

rkeys.sort()

for rkey in rkeys:

rentries = reverse[rkey]

rentries.sort()

for k, v in rentries:

v = v.keys()

v.sort()

locline = locpfx

for label, svgid in v:

d = {'label': label, 'svgid': svgid}

s = _(' %(label)s:%(svgid)d') % d

if len(locline) + len(s) <= 78:

locline = locline + s

else:

print >> fp, locline

locline = locpfx + s

if len(locline) > len(locpfx):

print >> fp, locline

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

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

class POReader:

def __init__(self):

self.__messages = {}

def add(msgid, msgstr, fuzzy):

"Add a non-fuzzy translation to the dictionary."

if not fuzzy and msgstr:

self.__messages[msgid] = msgstr

def read(self, fp):

ID = 1

STR = 2

lines = fp.readlines()

section = None

fuzzy = 0

# Parse the catalog

lno = 0

for l in lines:

lno += 1

# If we get a comment line after a msgstr, this is a new entry

if l[0] == '#' and section == STR:

self.add(msgid, msgstr, fuzzy)

section = None

fuzzy = 0

# Record a fuzzy mark

if l[:2] == '#,' and 'fuzzy' in l:

fuzzy = 1

# Skip comments

if l[0] == '#':

continue

# Now we are in a msgid section, output previous section

if l.startswith('msgid') and not l.startswith('msgid_plural'):

if section == STR:

self.add(msgid, msgstr, fuzzy)

section = ID

l = l[5:]

msgid = msgstr = ''

is_plural = False

# 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)

sys.exit(1)

l = l[12:]

msgid += '\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)

sys.exit(1)

l = l.split(']', 1)[1]

if msgstr:

msgstr += '\0' # Separator of the various plural forms

else:

if is_plural:

print >> sys.stderr, 'indexed msgstr required for plural on %s:%d' %\

(infile, lno)

sys.exit(1)

l = l[6:]

# Skip empty lines

l = l.strip()

if not l:

continue

l = ast.literal_eval(l)

if section == ID:

msgid += l

elif section == STR:

msgstr += l

else:

print >> sys.stderr, 'Syntax error on %s:%d' % (infile, lno), \

'before:'

print >> sys.stderr, l

sys.exit(1)

# Add last entry

if section == STR:

self.add(msgid, msgstr, fuzzy)