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lang-check.py
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lang-check.py
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#!/usr/bin/env python3
#
# Version 1.0.1
#
#############################################################################
# Change log:
# 7 May 2019, Ondrej Tuma, Initial
# 9 June 2020, 3d-gussner, Added version and Change log
# 9 June 2020, 3d-gussner, Wrap text to 20 char and rows
# 9 June 2020, 3d-gussner, colored output
# 2 Apr. 2021, 3d-gussner, Fix and improve text warp
# 22 Apr. 2021, DRracer , add English source to output
# 23 Apr. 2021, wavexx , improve
# 24 Apr. 2021, wavexx , improve
# 26 Apr. 2021, 3d-gussner, add character ruler
#############################################################################
#
"""Check lang files."""
from argparse import ArgumentParser
from traceback import print_exc
from sys import stdout, stderr
import textwrap
import re
def color_maybe(color_attr, text):
if stdout.isatty():
return '\033[0;' + str(color_attr) + 'm' + text + '\033[0m'
else:
return text
red = lambda text: color_maybe(31, text)
green = lambda text: color_maybe(32, text)
yellow = lambda text: color_maybe(33, text)
cyan = lambda text: color_maybe(36, text)
def print_wrapped(wrapped_text, rows, cols):
if type(wrapped_text) == str:
wrapped_text = [wrapped_text]
for r, line in enumerate(wrapped_text):
r_ = str(r + 1).rjust(3)
if r >= rows:
r_ = red(r_)
print((' {} |{:' + str(cols) + 's}|').format(r_, line))
def print_truncated(text, cols):
if len(text) <= cols:
prefix = text.ljust(cols)
suffix = ''
else:
prefix = text[0:cols]
suffix = red(text[cols:])
print(' |' + prefix + '|' + suffix)
def print_ruler(spc, cols):
print(' ' * spc + cyan(('₀₁₂₃₄₅₆₇₈₉'*4)[:cols]))
def print_source_translation(source, translation, wrapped_source, wrapped_translation, rows, cols):
if rows == 1:
print(' source text:')
print_ruler(4, cols);
print_truncated(source, cols)
print(' translated text:')
print_ruler(4, cols);
print_truncated(translation, cols)
else:
print(' source text:')
print_ruler(6, cols);
print_wrapped(wrapped_source, rows, cols)
print(' translated text:')
print_ruler(6, cols);
print_wrapped(wrapped_translation, rows, cols)
print()
def highlight_trailing_white(text):
if type(text) == str:
return re.sub(r' $', '·', text)
else:
ret = text[:]
ret[-1] = highlight_trailing_white(ret[-1])
return ret
def wrap_text(text, cols):
# wrap text
ret = list(textwrap.TextWrapper(width=cols).wrap(text))
if len(ret):
# add back trailing whitespace
ret[-1] += ' ' * (len(text) - len(text.rstrip()))
return ret
def unescape(text):
if '\\' not in text:
return text
return text.encode('ascii').decode('unicode_escape')
def ign_char_first(c):
return c.isalnum() or c in {'%', '?'}
def ign_char_last(c):
return c.isalnum() or c in {'.', "'"}
def parse_txt(lang, no_warning, warn_empty):
"""Parse txt file and check strings to display definition."""
if lang == "en":
file_path = "lang_en.txt"
else:
file_path = "lang_en_%s.txt" % lang
print(green("Start %s lang-check" % lang))
lines = 1
with open(file_path) as src:
while True:
comment = src.readline().split(' ')
#print (comment) #Debug
#Check if columns and rows are defined
cols = None
rows = None
for item in comment[1:]:
key, val = item.split('=')
if key == 'c':
cols = int(val)
#print ("c=",cols) #Debug
elif key == 'r':
rows = int(val)
#print ("r=",rows) #Debug
else:
raise RuntimeError(
"Unknown display definition %s on line %d" %
(' '.join(comment), lines))
if cols is None and rows is None:
if not no_warning:
print(yellow("[W]: No display definition on line %d" % lines))
cols = len(translation) # propably fullscreen
if rows is None:
rows = 1
elif rows > 1 and cols != 20:
print(yellow("[W]: Multiple rows with odd number of columns on line %d" % lines))
#Wrap text to 20 chars and rows
source = src.readline()[:-1].strip('"')
#print (source) #Debug
translation = src.readline()[:-1].strip('"')
if translation == '\\x00':
# crude hack to handle intentionally-empty translations
translation = ''
# handle backslash sequences
source = unescape(source)
translation = unescape(translation)
#print (translation) #Debug
wrapped_source = wrap_text(source, cols)
rows_count_source = len(wrapped_source)
wrapped_translation = wrap_text(translation, cols)
rows_count_translation = len(wrapped_translation)
# Check for potential errors in the definition
if not no_warning:
# Incorrect number of rows/cols on the definition
if rows == 1 and (len(source) > cols or rows_count_source > rows):
print(yellow('[W]: Source text longer than %d cols as defined on line %d:' % (cols, lines)))
print_ruler(4, cols);
print_truncated(source, cols)
print()
elif rows_count_source > rows:
print(yellow('[W]: Wrapped source text longer than %d rows as defined on line %d:' % (rows, lines)))
print_ruler(6, cols);
print_wrapped(wrapped_source, rows, cols)
print()
# Missing translation
if len(translation) == 0 and (warn_empty or rows > 1):
if rows == 1:
print(yellow("[W]: Empty translation for \"%s\" on line %d" % (source, lines)))
else:
print(yellow("[W]: Empty translation on line %d" % lines))
print_ruler(6, cols);
print_wrapped(wrapped_source, rows, cols)
print()
# Check for translation lenght
if (rows_count_translation > rows) or (rows == 1 and len(translation) > cols):
print(red('[E]: Text is longer than definition on line %d: cols=%d rows=%d (rows diff=%d)'
% (lines, cols, rows, rows_count_translation-rows)))
print_source_translation(source, translation,
wrapped_source, wrapped_translation,
rows, cols)
# Different count of % sequences
if source.count('%') != translation.count('%') and len(translation) > 0:
print(red('[E]: Unequal count of %% escapes on line %d:' % (lines)))
print_source_translation(source, translation,
wrapped_source, wrapped_translation,
rows, cols)
# Different first/last character
if not no_warning and len(source) > 0 and len(translation) > 0:
source_end = source.rstrip()[-1]
translation_end = translation.rstrip()[-1]
start_diff = not (ign_char_first(source[0]) and ign_char_first(translation[0])) and source[0] != translation[0]
end_diff = not (ign_char_last(source_end) and ign_char_last(translation_end)) and source_end != translation_end
if start_diff or end_diff:
if start_diff:
print(yellow('[W]: Differing first punctuation character (%s => %s) on line %d:' % (source[0], translation[0], lines)))
if end_diff:
print(yellow('[W]: Differing last punctuation character (%s => %s) on line %d:' % (source[-1], translation[-1], lines)))
print_source_translation(source, translation,
wrapped_source, wrapped_translation,
rows, cols)
# Short translation
if not no_warning and len(source) > 0 and len(translation) > 0:
if len(translation.rstrip()) < len(source.rstrip()) / 2:
print(yellow('[W]: Short translation on line %d:' % (lines)))
print_source_translation(source, translation,
wrapped_source, wrapped_translation,
rows, cols)
# Incorrect trailing whitespace in translation
if not no_warning and len(translation) > 0 and \
(source.rstrip() == source or (rows == 1 and len(source) == cols)) and \
translation.rstrip() != translation and \
(rows > 1 or len(translation) != len(source)):
print(yellow('[W]: Incorrect trailing whitespace for translation on line %d:' % (lines)))
source = highlight_trailing_white(source)
translation = highlight_trailing_white(translation)
wrapped_translation = highlight_trailing_white(wrapped_translation)
print_source_translation(source, translation,
wrapped_source, wrapped_translation,
rows, cols)
if len(src.readline()) != 1: # empty line
break
lines += 4
print(green("End %s lang-check" % lang))
def main():
"""Main function."""
parser = ArgumentParser(
description=__doc__,
usage="%(prog)s lang")
parser.add_argument(
"lang", nargs='?', default="en", type=str,
help="Check lang file (en|cs|da|de|es|fr|hr|hu|lb|lt|nl|it|pl|ro|sl|sv)")
parser.add_argument(
"--no-warning", action="store_true",
help="Disable warnings")
parser.add_argument(
"--warn-empty", action="store_true",
help="Warn about empty translations")
args = parser.parse_args()
try:
parse_txt(args.lang, args.no_warning, args.warn_empty)
return 0
except Exception as exc:
print_exc()
parser.error("%s" % exc)
return 1
if __name__ == "__main__":
exit(main())