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111 lines
3.3 KiB
Python
111 lines
3.3 KiB
Python
# Adapted from: https://github.com/minetest/minetest/blob/master/util/mod_translation_updater.py
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#
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# Copyright (C) 2019 Joachim Stolberg, 2020 FaceDeer, 2020 Louis Royer, 2023 Wuzzy, 2024 rubenwardy
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# License: LGPLv2.1 or later
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import os
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import re
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class Translation:
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language: str
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textdomain: str
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entries: dict[str]
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def __init__(self, language: str, textdomain: str, entries: dict):
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self.language = language
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self.textdomain = textdomain
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self.entries = entries
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# Handles a translation line in *.tr file.
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# Group 1 is the source string left of the equals sign.
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# Group 2 is the translated string, right of the equals sign.
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pattern_tr = re.compile(
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r'(.*)' # Source string
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# the separating equals sign, if NOT preceded by @, unless
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# that @ is preceded by another @
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r'(?:(?<!(?<!@)@)=)'
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r'(.*)' # Translation string
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)
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# Strings longer than this will have extra space added between
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# them in the translation files to make it easier to distinguish their
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# beginnings and endings at a glance
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doublespace_threshold = 80
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# These symbols mark comment lines showing the source file name.
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# A comment may look like "##[ init.lua ]##".
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symbol_source_prefix = "##["
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symbol_source_suffix = "]##"
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comment_unused = "##### not used anymore #####"
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def parse_tr(filepath: str) -> Translation:
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dOut = {}
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in_header = True
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header_comments = None
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textdomain = None
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filename = os.path.basename(filepath)
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filename_parts = filename.split(".")
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assert len(filename_parts) >= 3
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assert filename_parts[-1] == "tr"
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language = filename_parts[-2]
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with open(filepath, "r", encoding='utf-8') as existing_file:
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# save the full text to allow for comparison
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# of the old version with the new output
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existing_file.seek(0)
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# a running record of the current comment block
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# we're inside, to allow preceeding multi-line comments
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# to be retained for a translation line
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latest_comment_block = None
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for line in existing_file.readlines():
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line = line.rstrip('\n')
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# "##### not used anymore #####" comment
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if line == comment_unused:
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# Always delete the 'not used anymore' comment.
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# It will be re-added to the file if neccessary.
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latest_comment_block = None
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if header_comments is not None:
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in_header = False
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continue
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# Comment lines
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elif line.startswith("#"):
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# Source file comments: ##[ file.lua ]##
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if line.startswith(symbol_source_prefix) and line.endswith(symbol_source_suffix):
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continue
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# Store first occurance of textdomain
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# discard all subsequent textdomain lines
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if line.startswith("# textdomain:"):
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if textdomain is None:
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textdomain = line[13:].strip()
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continue
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elif in_header:
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# Save header comments (normal comments at top of file)
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if not header_comments:
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header_comments = line
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else:
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header_comments = header_comments + "\n" + line
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else:
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# Save normal comments
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if line.startswith("# textdomain:") and textdomain is None:
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textdomain = line
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elif not latest_comment_block:
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latest_comment_block = line
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else:
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latest_comment_block = latest_comment_block + "\n" + line
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continue
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match = pattern_tr.match(line)
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if match:
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latest_comment_block = None
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in_header = False
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dOut[match.group(1).strip()] = match.group(2).strip()
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return Translation(language, textdomain, dOut)
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