Add lang convert tools (lmo2po and po2lmo)

pull/3/head
remittor 3 years ago
parent a0396987c4
commit 2869a4a28b

@ -0,0 +1,176 @@
#!/usr/bin/env python3
import os
import sys
def die(msg):
print("ERROR:", msg)
sys.exit(1)
class LmoEntry:
def __init__(self, key_id = 0, val_id = 0, offset = 0, length = 0, val = None):
self.key_id = key_id
self.val_id = val_id
self.offset = offset
self.length = length
self.val = val
self.dup = 0
class Lmo:
options = ""
entries = [] # list of LmoEntry
def __init__(self):
self.options = ""
self.entries = []
self.use_plural_num = None # value of entry.val_id
def load_from_bin(self, filename):
self.entries = []
with open(filename, "rb") as file:
data = file.read()
table_offset = int.from_bytes(data[-4:], byteorder='big')
#print("table_offset = 0x%X" % table_offset)
off = table_offset
while True:
if off + 16 >= len(data):
break
entry = LmoEntry()
entry.key_id = int.from_bytes(data[off :off+4] , byteorder='big')
entry.val_id = int.from_bytes(data[off+4 :off+8] , byteorder='big')
entry.offset = int.from_bytes(data[off+8 :off+12], byteorder='big')
entry.length = int.from_bytes(data[off+12:off+16], byteorder='big')
entry.val = data[entry.offset:entry.offset+entry.length]
#print("%08X %d %08X %d" % (entry.key_id, entry.val_id, entry.offset, entry.length))
self.entries.append(entry)
off += 16
if self.use_plural_num is None:
self.use_plural_num = True
for i, e in enumerate(self.entries):
if e.val_id > 10:
self.use_plural_num = False
break
self.entries = sorted(self.entries, key=lambda x: x.offset)
#self.dup_search()
def dup_search(self):
count = 0
for i, ent in enumerate(self.entries):
for k, ek in enumerate(self.entries):
if ent.key_id == ek.key_id and ent.offset != ek.offset:
ent.dup = 1
count += 1
break
return count
def save_to_text(self, filename = None):
txt = ""
if 'k' in self.options:
entries = sorted(self.entries, key=lambda x: x.key_id)
else:
entries = sorted(self.entries, key=lambda x: x.offset)
self.dup_search()
for i, ent in enumerate(entries):
val = ent.val.decode('utf-8')
val = val.replace('\\', '\\\\')
val = val.replace('"', r'\"')
if ent.key_id == 0 and ent.val_id == 0 and ent.offset == 0:
val = val.replace('\n', r'\n')
txt += 'msgid ""' + '\n'
txt += 'msgstr ""' + '\n'
txt += '"Project-Id-Version: LuCI: {}\\n"'.format("base") + '\n'
txt += '"Language: {}\\n"'.format("en") + '\n'
txt += '"MIME-Version: 1.0\\n"' + '\n'
txt += '"Content-Type: text/plain; charset=UTF-8\\n"' + '\n'
txt += '"Content-Transfer-Encoding: 8bit\\n"' + '\n'
txt += '"Plural-Forms: {}\\n"'.format(val) + '\n'
txt += '"X-Generator: Weblate 4.8.1-dev\\n"' + '\n'
txt += '\n'
continue
prefix = ''
if self.use_plural_num and ent.val_id != 1:
prefix = '[%d]' % (ent.val_id - 1)
if ent.dup:
txt += '# DUP' + '\n'
txt += 'msgkey 0x{}'.format("%08X" % ent.key_id) + '\n'
line_limit = 77
val = val.replace('\r', '')
if val.find('\n') >= 0:
txt += 'msgstr{} ""'.format(prefix) + '\n'
vlist = val.split('\n')
for i, v in enumerate(vlist):
v = v + r'\n' if i+1 < len(vlist) else v
if len(v) > 0:
txt += '"{}"'.format(v) + '\n'
elif val.find(r'\n') >= 0:
txt += 'msgstr{} ""'.format(prefix) + '\n'
vlist = val.split(r'\n')
for i, v in enumerate(vlist):
if len(v) > 0:
txt += '"{}"'.format(v) + '\n'
elif len(val) > line_limit - 10 and val.find(' ') > 0:
txt += 'msgstr{} ""'.format(prefix) + '\n'
wlist = val.split(' ')
v = ""
for i, word in enumerate(wlist):
if i > 0:
word = ' ' + word
if len(v) + len(word) < line_limit or len(v) == 0:
v += word
continue
txt += '"{}"'.format(v) + '\n'
v = word
if len(v) > 0:
txt += '"{}"'.format(v) + '\n'
else:
txt += 'msgstr{} "{}"'.format(prefix, val) + '\n'
txt += '\n'
if filename:
with open(filename, "wt", encoding='UTF-8', newline = "\n") as file:
file.write(txt)
return txt
if __name__ == "__main__":
fn_inp = sys.argv[1]
fn_out = sys.argv[2]
lmo = Lmo()
if len(sys.argv) > 3:
lmo.options = sys.argv[3]
lmo.load_from_bin(fn_inp)
if not ('m' in lmo.options):
lmo.save_to_text(fn_out)
print('\nPO-file saved to "{}"'.format(fn_out))
sys.exit(1)
# Merge 2 lmo-files
fn_inp2 = sys.argv[4]
lmo2 = Lmo()
lmo2.load_from_bin(fn_inp2)
for i, ent in enumerate(lmo2.entries):
dup = False
for k, ek in enumerate(lmo.entries):
if ek.key_id == ent.key_id:
dup = True
break
if not dup:
lmo.entries.append(ent)
lmo.options = 'k'
if not lmo2.use_plural_num:
lmo.use_plural_num = False
lmo.save_to_text(fn_out)
print('\nMerged PO-file saved to "{}"'.format(fn_out))
'''
fn_out = fn_inp
import po2lmo
lmo3 = po2lmo.Lmo(verbose = 0)
lmo3.load_from_list(lmo.entries)
lmo3.save_to_bin(fn_out)
print('\nMerged LMO-file saved to "{}"'.format(fn_out))
'''

@ -0,0 +1,289 @@
#!/usr/bin/env python3
import os
import sys
import io
def die(msg):
print("ERROR:", msg)
sys.exit(1)
class u32_t(int):
def __rshift__(self, other):
return u32_t(int.__rshift__(self, other) & 0xFFFFFFFF)
def __lshift__(self, other):
return u32_t(int.__lshift__(self, other) & 0xFFFFFFFF)
def __add__(self, other):
return u32_t(int.__add__(self, other) & 0xFFFFFFFF)
def __xor__(self, other):
return u32_t(int.__xor__(self, other) & 0xFFFFFFFF)
def sfh_int8(data, offset = 0):
x = int.from_bytes(data[offset:offset+1], byteorder='little')
return x if x < 0x80 else x - 0x100
def sfh_uint16(data, offset = 0):
return int.from_bytes(data[offset:offset+2], byteorder='little')
# SuperFastHash algorithm from Paul Hsieh (LGPLv2.1) http://www.azillionmonkeys.com/qed/hash.html
def sfh_hash(data):
if data is None:
return 0
if isinstance(data, str):
data = data.encode("utf-8")
size = len(data)
hash = u32_t(size)
if size <= 0:
return 0
rem = size & 3
length = size // 4
for i in range(length):
hash += sfh_uint16(data, i*4)
tmp = sfh_uint16(data, i*4 + 2) << 11
tmp ^= hash
hash = (hash << 16) ^ tmp
hash += hash >> 11
i = length * 4
if rem == 3:
hash += sfh_uint16(data, i)
hash ^= hash << 16
hash ^= sfh_int8(data, i + 2) << 18
hash += hash >> 11
if rem == 2:
hash += sfh_uint16(data, i)
hash ^= hash << 11
hash += hash >> 17
if rem == 1:
hash += sfh_int8(data, i)
hash ^= hash << 10
hash += hash >> 1
hash ^= hash << 3
hash += hash >> 5
hash ^= hash << 4
hash += hash >> 17
hash ^= hash << 25
hash += hash >> 6
return hash & 0xFFFFFFFF
MSG_UNSPEC = 0
MSG_CTXT = 1
MSG_ID = 2
MSG_ID_PLURAL = 3
MSG_STR = 4
class Msg:
def __init__(self):
self.plural_num = -1
self.ctxt = None
self.id = None
self.id_plural = None
self.val = [ None ] # list of string
self.cur = MSG_UNSPEC
self.key = None
class LmoEntry:
def __init__(self, key_id = 0, val_id = 0, offset = 0, length = 0, val = None):
self.key_id = key_id
self.val_id = val_id
self.offset = offset
self.length = length
self.val = val
class Lmo:
entries = [] # list of LmoEntry
def __init__(self, verbose = 0):
self.verbose = verbose
self.entries = []
self.msg = Msg()
def add_entry(self, key_id, val_id, val):
entry = LmoEntry()
entry.key_id = key_id
entry.val_id = val_id
entry.offset = len(self.entries)
entry.length = len(val)
entry.val = val
self.entries.append(entry)
def print_msg(self):
msg = self.msg
if msg.key is not None:
val = msg.val[msg.plural_num]
self.add_entry(msg.key, msg.plural_num + 1, val)
elif msg.id and msg.val[0]:
for i in range(msg.plural_num + 1):
if i >= len(msg.val):
continue
val = msg.val[i]
if val is None:
continue
if (msg.ctxt and msg.id_plural):
key = "%s\1%s\2%d" % (msg.ctxt, msg.id, i)
elif (msg.ctxt):
key = "%s\1%s" % (msg.ctxt, msg.id)
elif (msg.id_plural):
key = "%s\2%d" % (msg.id, i)
else:
key = msg.id
key_id = sfh_hash(key)
val_id = sfh_hash(val)
if key_id != val_id:
self.add_entry(key_id, msg.plural_num + 1, val)
elif msg.val[0]:
p = msg.val[0]
prefix = b'\\nPlural-Forms: '
x = p.find(prefix)
if x > 0:
x += len(prefix)
x2 = p.find(b'\\n', x)
if x2 > 0:
field = p[x:x2]
self.add_entry(0, 0, field)
self.msg = None
self.msg = Msg()
#print('-------------')
return self.msg
def extract_string(self, line):
if line.startswith('#'):
return None
x = line.find('"')
if x < 0:
return None
line = line[x+1:]
line = line.replace(r'\\', '\x02')
line = line.replace(r'\"', '\x01')
x = line.find('"')
if x >= 0:
line = line[:x]
line = line.replace('\x01', '"')
line = line.replace('\x02', '\\')
return line
def process_line(self, line, eof = False):
msg = self.msg
if line.startswith('msgctxt "'):
if msg.id or msg.val[0]:
msg = self.print_msg()
msg.ctxt = ""
msg.cur = MSG_CTXT
elif eof or line.startswith('msgid "'):
if msg.id or msg.val[0]:
msg = self.print_msg()
msg.id = ""
msg.cur = MSG_ID
elif line.startswith('msgid_plural "'):
msg.id_plural = ""
msg.cur = MSG_ID_PLURAL
elif line.startswith('msgstr "') or line.startswith('msgstr['):
msg.plural_num = 0
if line.startswith('msgstr['):
x1 = line.find('[')
x2 = line.find(']')
msg.plural_num = int(line[x1+1:x2])
if msg.plural_num >= 10:
die("Too many plural forms")
if len(msg.val) <= msg.plural_num:
x = msg.plural_num - len(msg.val) + 1
for i in range(x):
msg.val.append(None)
msg.val[msg.plural_num] = b''
msg.cur = MSG_STR
elif line.startswith('msgkey 0x'):
if msg.id or msg.val[0]:
msg = self.print_msg()
msg.id = '\x01'
msg.plural_num = 0
x = line.find('0x')
msg.key = int(line[x:], 16)
return
if eof:
return
if msg.cur != MSG_UNSPEC:
tmp = self.extract_string(line)
if tmp is not None and len(tmp) > 0:
if msg.cur == MSG_CTXT:
msg.ctxt += tmp
#print('mctxt = "{}"'.format(msg.ctxt))
if msg.cur == MSG_ID:
msg.id += tmp
#print('msgid = "{}"'.format(msg.id))
if msg.cur == MSG_ID_PLURAL:
msg.id_plural += tmp
if msg.cur == MSG_STR:
msg.val[msg.plural_num] += tmp.encode("utf-8")
#print('msgstr[{}] = "{}"'.format(msg.plural_num, tmp))
self.msg = msg
def load_from_text(self, filename):
self.entries = []
self.msg = Msg()
with open(filename, "r", encoding='UTF-8') as file:
for line in file:
self.process_line(line.rstrip())
else:
self.process_line("", eof=True)
def load_from_list(self, entries):
self.entries = entries
def save_to_bin(self, filename = None):
buf = bytearray(b'\x00' * 0x400000) # 4MiB
offset = 0
elst = [] # new list of LmoEntry()
for i, ent in enumerate(self.entries):
val = ent.val
if isinstance(val, str):
val = val.encode('utf-8')
length = len(val)
buf[offset:offset+length] = val
val_id = ent.val_id
elst.append(LmoEntry(ent.key_id, val_id, offset, length, val))
offset += length
if offset & 3 != 0:
offset += 4 - (offset & 3)
elst = sorted(elst, key=lambda x: x.key_id)
#if offset & 0xF != 0:
# offset += 0x10 - (offset & 0xF)
table_offset = offset
for i, ent in enumerate(elst):
buf[offset :offset+4] = ent.key_id.to_bytes(4, byteorder='big')
buf[offset+4 :offset+8] = ent.val_id.to_bytes(4, byteorder='big')
buf[offset+8 :offset+12] = ent.offset.to_bytes(4, byteorder='big')
buf[offset+12:offset+16] = ent.length.to_bytes(4, byteorder='big')
if self.verbose:
for k, ek in enumerate(elst):
if ent.key_id == ek.key_id and ent.offset != ek.offset:
val = "" if ent.val is None else ent.val.decode()
print('DUP: 0x%08X (0x%05X) "%s"' % (ent.key_id, ent.offset, val))
offset += 16
if offset > 0:
buf[offset:offset+4] = table_offset.to_bytes(4, byteorder='big')
offset += 4
buf = buf[:offset]
if filename:
with open(filename, "wb") as file:
file.write(buf)
return buf
if __name__ == "__main__":
fn_inp = sys.argv[1]
fn_out = sys.argv[2]
lmo = Lmo(verbose = 99)
lmo.load_from_text(fn_inp)
lmo.save_to_bin(fn_out)
print('\nLMO-file saved to "{}"'.format(fn_out))
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