341 lines
13 KiB
Python
Executable File
341 lines
13 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Version 1.0.2 - Build 43
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#############################################################################
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# Change log:
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# 7 May 2019, ondratu , Initial
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# 13 June 2019, 3d-gussner, Fix length false positives
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# 14 Sep. 2019, 3d-gussner, Prepare adding new language
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# 18 Sep. 2020, 3d-gussner, Fix execution of lang-check.py
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# 2 Apr. 2021, 3d-gussner, Fix and improve text warp
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# 22 Apr. 2021, DRracer , add English source to output
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# 23 Apr. 2021, wavexx , improve
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# 24 Apr. 2021, wavexx , improve
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# 26 Apr. 2021, wavexx , add character ruler
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# 21 Dec. 2021, 3d-gussner, Prepare more community languages
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# Swedish
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# Danish
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# Slovanian
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# Hungarian
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# Luxembourgian
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# Croatian
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# 3 Jan. 2022, 3d-gussner, Prepare Lithuanian
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# 7 Jan. 2022, 3d-gussner, Check for Syntax errors and exit with error
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# , add Build number 'git rev-list --count HEAD lang-check.py'
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# 30 Jan. 2022, 3d-gussner, Add arguments. Requested by @AttilaSVK
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# --information == output all source and translated messages
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# --import-check == used by `lang-import.sh`to verify
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# newly import `lang_en_??.txt` files
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# 14 Mar. 2022, 3d-gussner, Check if translation isn't equal to origin
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#############################################################################
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"""Check PO files for formatting errors."""
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from argparse import ArgumentParser
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from sys import stdout, stderr, exit
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import codecs
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import polib
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import textwrap
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import re
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import os
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from lib import charset as cs
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from lib.io import load_map
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COLORIZE = (stdout.isatty() and os.getenv("TERM", "dumb") != "dumb") or os.getenv('NO_COLOR') == "0"
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LCD_WIDTH = 20
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def color_maybe(color_attr, text):
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if COLORIZE:
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return '\033[0;' + str(color_attr) + 'm' + text + '\033[0m'
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else:
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return text
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red = lambda text: color_maybe(31, text)
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green = lambda text: color_maybe(32, text)
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yellow = lambda text: color_maybe(33, text)
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cyan = lambda text: color_maybe(36, text)
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def print_wrapped(wrapped_text, rows, cols):
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if type(wrapped_text) == str:
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wrapped_text = [wrapped_text]
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for r, line in enumerate(wrapped_text):
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r_ = str(r + 1).rjust(3)
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if r >= rows:
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r_ = red(r_)
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print((' {} |{:' + str(cols) + 's}|').format(r_, line))
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def print_truncated(text, cols):
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if len(text) <= cols:
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prefix = text.ljust(cols)
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suffix = ''
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else:
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prefix = text[0:cols]
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suffix = red(text[cols:])
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print(' |' + prefix + '|' + suffix)
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def print_ruler(spc, cols):
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print(' ' * spc + cyan(('₀₁₂₃₄₅₆₇₈₉'*4)[:cols]))
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def print_source_translation(source, translation, wrapped_source, wrapped_translation, rows, cols):
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if rows == 1:
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print(' source text:')
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print_ruler(4, cols);
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print_truncated(source, cols)
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print(' translated text:')
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print_ruler(4, cols);
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print_truncated(translation, cols)
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else:
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print(' source text:')
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print_ruler(6, cols);
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print_wrapped(wrapped_source, rows, cols)
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print(' translated text:')
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print_ruler(6, cols);
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print_wrapped(wrapped_translation, rows, cols)
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print()
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def highlight_trailing_white(text):
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if type(text) == str:
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return re.sub(r' $', '·', text)
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else:
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ret = text[:]
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ret[-1] = highlight_trailing_white(ret[-1])
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return ret
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def wrap_text(text, cols):
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ret = []
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for line in text.split('\n'):
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# wrap each input line in text individually
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tmp = list(textwrap.TextWrapper(width=cols).wrap(line))
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if len(ret):
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# add back trailing whitespace
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tmp[-1] += ' ' * (len(text) - len(text.rstrip()))
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ret.extend(tmp)
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return ret
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def ign_char_first(c):
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return c.isalnum() or c in {'%', '?'}
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def ign_char_last(c):
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return c.isalnum() or c in {'.', "'"}
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def check_translation(entry, msgids, is_pot, no_warning, no_suggest, warn_empty, warn_same, information):
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"""Check strings to display definition."""
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# do not check obsolete/deleted entriees
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if entry.obsolete:
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return True
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# fetch/decode entry for easy access
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meta = entry.comment.split('\n', 1)[0]
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source = entry.msgid
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translation = entry.msgstr
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line = entry.linenum
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known_msgid = msgids is None or source in msgids
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errors = 0
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# Check comment syntax (non-empty and include a MSG id)
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if known_msgid or warn_empty:
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if len(meta) == 0:
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print(red("[E]: Translation doesn't contain any comment metadata on line %d" % line))
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return False
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if not meta.startswith('MSG'):
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print(red("[E]: Critical syntax error: comment doesn't start with MSG on line %d" % line))
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print(red(" comment: " + meta))
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return False
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# Check if columns and rows are defined
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tokens = meta.split(' ')
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cols = None
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rows = None
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for item in tokens[1:]:
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try:
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key, val = item.split('=')
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if key == 'c':
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cols = int(val)
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elif key == 'r':
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rows = int(val)
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else:
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raise ValueError
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except ValueError:
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print(red("[E]: Invalid display definition on line %d" % line))
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print(red(" definition: " + meta))
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return False
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if not cols:
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if not no_warning and known_msgid and not rows:
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errors += 1
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print(yellow("[W]: No usable display definition on line %d" % line))
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# probably fullscreen, guess from the message length to continue checking
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cols = len(LCD_WIDTH)
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if cols > LCD_WIDTH:
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errors += 1
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print(yellow("[W]: Invalid column count on line %d" % line))
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if not rows:
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rows = 1
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elif rows > 1 and cols != LCD_WIDTH:
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errors += 1
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print(yellow("[W]: Multiple rows with odd number of columns on line %d" % line))
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# Check if translation contains unsupported characters
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invalid_char = cs.translation_check(cs.unicode_to_source(translation))
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if invalid_char is not None:
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print(red('[E]: Critical syntax: Unhandled char %s found on line %d' % (repr(invalid_char), line)))
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print(red(' translation: ' + translation))
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return False
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# Pre-process the translation to translated characters for a correct preview and length check
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translation = cs.trans_replace(translation)
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wrapped_source = wrap_text(source, cols)
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rows_count_source = len(wrapped_source)
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wrapped_translation = wrap_text(translation, cols)
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rows_count_translation = len(wrapped_translation)
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# Incorrect number of rows/cols on the definition
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if rows == 1 and (len(source) > cols or rows_count_source > rows):
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errors += 1
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print(yellow('[W]: Source text longer than %d cols as defined on line %d:' % (cols, line)))
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print_ruler(4, cols);
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print_truncated(source, cols)
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print()
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elif rows_count_source > rows:
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errors += 1
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print(yellow('[W]: Wrapped source text longer than %d rows as defined on line %d:' % (rows, line)))
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print_ruler(6, cols);
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print_wrapped(wrapped_source, rows, cols)
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print()
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# All further checks are against the translation
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if is_pot:
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return (errors == 0)
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# Missing translation
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if len(translation) == 0 and (known_msgid or warn_empty):
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errors += 1
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if rows == 1:
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print(yellow("[W]: Empty translation for \"%s\" on line %d" % (source, line)))
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else:
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print(yellow("[W]: Empty translation on line %d" % line))
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print_ruler(6, cols);
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print_wrapped(wrapped_source, rows, cols)
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print()
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# Check for translation lenght
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if (rows_count_translation > rows) or (rows == 1 and len(translation) > cols):
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errors += 1
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print(red('[E]: Text is longer than definition on line %d: cols=%d rows=%d (rows diff=%d)'
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% (line, cols, rows, rows_count_translation-rows)))
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print_source_translation(source, translation,
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wrapped_source, wrapped_translation,
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rows, cols)
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# Different count of % sequences
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if source.count('%') != translation.count('%') and len(translation) > 0:
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errors += 1
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print(red('[E]: Unequal count of %% escapes on line %d:' % (line)))
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print_source_translation(source, translation,
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wrapped_source, wrapped_translation,
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rows, cols)
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# Different first/last character
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if not no_suggest and len(source) > 0 and len(translation) > 0:
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source_end = source.rstrip()[-1]
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translation_end = translation.rstrip()[-1]
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start_diff = not (ign_char_first(source[0]) and ign_char_first(translation[0])) and source[0] != translation[0]
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end_diff = not (ign_char_last(source_end) and ign_char_last(translation_end)) and source_end != translation_end
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if start_diff or end_diff:
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if start_diff:
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print(yellow('[S]: Differing first punctuation character (%s => %s) on line %d:' % (source[0], translation[0], line)))
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if end_diff:
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print(yellow('[S]: Differing last punctuation character (%s => %s) on line %d:' % (source[-1], translation[-1], line)))
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print_source_translation(source, translation,
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wrapped_source, wrapped_translation,
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rows, cols)
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if not no_suggest and source == translation and (warn_same or len(source.split(' ', 1)) > 1):
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print(yellow('[S]: Translation same as original on line %d:' %line))
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print_source_translation(source, translation,
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wrapped_source, wrapped_translation,
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rows, cols)
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# Short translation
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if not no_suggest and len(source) > 0 and len(translation) > 0:
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if len(translation.rstrip()) < len(source.rstrip()) / 2:
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print(yellow('[S]: Short translation on line %d:' % (line)))
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print_source_translation(source, translation,
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wrapped_source, wrapped_translation,
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rows, cols)
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# Incorrect trailing whitespace in translation
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if not no_warning and len(translation) > 0 and \
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(source.rstrip() == source or (rows == 1 and len(source) == cols)) and \
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translation.rstrip() != translation and \
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(rows > 1 or len(translation) != len(source)):
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errors += 1
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print(yellow('[W]: Incorrect trailing whitespace for translation on line %d:' % (line)))
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source = highlight_trailing_white(source)
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translation = highlight_trailing_white(translation)
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wrapped_translation = highlight_trailing_white(wrapped_translation)
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print_source_translation(source, translation,
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wrapped_source, wrapped_translation,
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rows, cols)
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# show the information
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if information and errors == 0:
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print(green('[I]: %s' % (meta)))
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print_source_translation(source, translation,
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wrapped_source, wrapped_translation,
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rows, cols)
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return (errors == 0)
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def main():
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"""Main function."""
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parser = ArgumentParser(description=__doc__)
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parser.add_argument("po", help="PO file to check")
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parser.add_argument(
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"--no-warning", action="store_true",
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help="Disable warnings")
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parser.add_argument(
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"--no-suggest", action="store_true",
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help="Disable suggestions")
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parser.add_argument(
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"--pot", action="store_true",
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help="Do not check translations")
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parser.add_argument(
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"--information", action="store_true",
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help="Output all translations")
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parser.add_argument("--map",
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help="Provide a map file to suppress warnings about unused translations")
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parser.add_argument(
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"--warn-empty", action="store_true",
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help="Warn about empty definitions and translations even if unused")
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parser.add_argument(
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"--warn-same", action="store_true",
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help="Warn about one-word translations which are identical to the source")
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# load the translations
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args = parser.parse_args()
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if not os.path.isfile(args.po):
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print("{}: file does not exist or is not a regular file".format(args.po), file=stderr)
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return 1
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# load the symbol map to supress empty (but unused) translation warnings
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msgids = None
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if args.map:
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msgids = set()
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for sym in load_map(args.map):
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if type(sym['data']) == bytes:
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msgid = cs.source_to_unicode(codecs.decode(sym['data'], 'unicode_escape', 'strict'))
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msgids.add(msgid)
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# check each translation in turn
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status = True
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for translation in polib.pofile(args.po):
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status &= check_translation(translation, msgids, args.pot, args.no_warning, args.no_suggest,
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args.warn_empty, args.warn_same, args.information)
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return 0 if status else 1
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if __name__ == "__main__":
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exit(main())
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