139 lines
4.3 KiB
Python
139 lines
4.3 KiB
Python
#!/usr/bin/env python3
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# Safe Eyes is a utility to remind you to take break frequently
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# to protect your eyes from eye strain.
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# Copyright (C) 2021 Gobinath
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from collections import defaultdict
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import os
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import polib
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import re
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import sys
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def validate_placeholders(message: str) -> bool:
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pos = 0
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success = True
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count_placeholders = 0
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count_unnamed = 0
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while True:
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index = message.find("%", pos)
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if index == -1:
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break
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pos = index + 1
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nextchar = message[pos : pos + 1]
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name = None
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if nextchar == "(":
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index = message.find(")", pos)
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if index == -1:
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success = False
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print(f"Unclosed parenthetical in '{message}'")
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break
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name = message[pos + 1 : index]
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pos = index + 1
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nextchar = message[pos : pos + 1]
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if nextchar not in ["%", "s", "d", "i", "f", "F"]:
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success = False
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print(f"Invalid format modifier in '{message}'")
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break
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if nextchar != "%":
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count_placeholders += 1
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if name is None:
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count_unnamed += 1
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pos += 1
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continue
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if count_unnamed > 1:
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success = False
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print(f"Multiple unnamed placeholders in '{message}'")
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if count_unnamed > 0 and count_placeholders > count_unnamed:
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success = False
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print(f"Mixing named and unnamed placeholders in '{message}'")
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return success
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def has_equal_placeholders(left: str, right: str) -> bool:
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def _get_placeholders(message: str) -> tuple:
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percents = re.finditer(r"%(?P<name>\(\w+\))?(?P<format>[a-z])", message)
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unnamed = defaultdict(int)
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named = set()
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for percent in percents:
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if percent.group("name"):
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named.add(f"%({percent.group('name')}){percent.group('format')}")
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else:
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match = f"%{percent.group('format')}"
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unnamed[match] += 1
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return (unnamed, named)
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(left_unnamed, left_named) = _get_placeholders(left)
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(right_unnamed, right_named) = _get_placeholders(right)
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# count unnamed cases (eg. %s, %d)
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for match, count in left_unnamed.items():
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if right_unnamed.get(match, 0) != count:
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return False
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# named cases are optional - but ensure that translation does not add new ones
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if not right_named.issubset(left_named):
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return False
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return True
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def validate_po(locale: str, path: str) -> bool:
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success = True
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po = polib.pofile(path)
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for entry in po:
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if entry.msgstr:
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if not validate_placeholders(entry.msgstr):
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success = False
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if not has_equal_placeholders(entry.msgid, entry.msgstr):
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print("Number of variables mismatched in " + locale)
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print(entry.msgid + " -> " + entry.msgstr)
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print()
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success = False
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for plural in entry.msgstr_plural.values():
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if plural:
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if not validate_placeholders(plural):
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success = False
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if not has_equal_placeholders(entry.msgid, plural):
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print("Number of variables mismatched in " + locale)
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print(entry.msgid + " -> " + plural)
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print()
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success = False
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return success
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success = True
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locales = os.listdir('safeeyes/config/locale')
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for locale in sorted(locales):
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path = os.path.join('safeeyes/config/locale', locale, "LC_MESSAGES/safeeyes.po")
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if os.path.isfile(path):
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print('Validating translation %s...' % path)
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success = validate_po(locale, path) and success
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sys.exit(0 if success else 1)
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