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#!/usr/bin/env python3
# Parses all the .po files and generates binary language strings to be loaded
# at runtime via embedded data.
import os
ESCAPES = {
'\\': '\\',
'"': '"',
'n': '\n',
'r': '\r',
't': '\t'
}
def unquote(string):
txt = string.strip()
if txt[0] != '"' or txt[-1] != '"':
raise Exception("invalid quoted string: " + string)
txt = txt[1:-1]
out = ''
is_escape = False
for c in txt:
if is_escape:
out += ESCAPES[c]
is_escape = False
continue
if c == '\\':
is_escape = True
else:
out += c
return out
messages = []
for src in os.listdir('.'):
if not src.endswith('.po'):
continue
msg_id, msg_str = None, None
for line in open(src, 'rt', encoding='utf-8').readlines():
line = line.strip()
if line.startswith('msgid'):
msg_id = unquote(line[6:])
elif line.startswith('msgstr'):
msg_str = unquote(line[7:])
messages.append((msg_id, msg_str))
# Make a binary blob with strings sorted by ID.
compiled = bytes()
for msg in sorted(messages):
compiled += msg[0].encode('utf-8') + bytes([0])
compiled += msg[1].encode('utf-8') + bytes([0])
#print(compiled)
open(f'../res/lang/{src[:-3]}.bin', 'wb').write(compiled)
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