mirror of
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127 lines
3.7 KiB
Python
127 lines
3.7 KiB
Python
# ContentDB
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# Copyright (C) 2024 rubenwardy
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#
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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 Affero 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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#
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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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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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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def parse_tr(filepath: str) -> Translation:
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entries = {}
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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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textdomain = ".".join(filename_parts[0:-2])
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had_textdomain_comment = False
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with open(filepath, "r", encoding="utf-8") as existing_file:
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lines = existing_file.readlines()
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line_index = 0
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while line_index < len(lines):
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line = lines[line_index].rstrip('\n')
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if line.strip() == "":
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pass
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# Comment lines
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elif line.startswith("#"):
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# Store first occurrence of textdomain
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# discard all subsequent textdomain lines
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if line.startswith("# textdomain:"):
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line_textdomain = line[13:].strip()
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had_textdomain_comment = True
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if line_textdomain != textdomain:
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raise SyntaxError(
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f"Line {line_index + 1}: The filename's textdomain ({textdomain}) should match the comment ({line_textdomain})")
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elif not had_textdomain_comment:
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raise SyntaxError(f"Missing `# textdomain: {textdomain}` at the top of the file")
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else:
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i = 0
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had_equals = False
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source = ""
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current_part = ""
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next_variable = 1
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while i < len(line):
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if line[i] == "@":
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if i + 1 < len(line):
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i += 1
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code = line[i]
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if code == "=":
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current_part += "="
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elif code == "@":
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current_part += "@"
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elif code == "n":
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current_part += "\n"
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elif code.isdigit():
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current_part += "@" + code
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if had_equals:
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if int(code) >= next_variable:
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raise SyntaxError(
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f"Line {line_index + 1}: Unknown argument @{code} in translated string")
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else:
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if int(code) != next_variable:
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raise SyntaxError(
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f"Line {line_index + 1}: Arguments out of order in source, found @{code} and expected @{next_variable}." +
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" Arguments in source must be in increasing order, without gaps or repetitions, starting from 1")
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next_variable += 1
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else:
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raise SyntaxError(f"Line {line_index + 1}: Unknown escape character: {code}")
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else:
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# @\n -> add new line
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line_index += 1
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if line_index >= len(lines):
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raise SyntaxError(f"Line {line_index + 1}: Unexpected end of file")
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line = lines[line_index]
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current_part += "\n"
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i = 0
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continue
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elif not had_equals and line[i] == "=":
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had_equals = True
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source = current_part
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current_part = ""
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else:
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current_part += line[i]
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i += 1
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translation = current_part
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if not had_equals:
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raise SyntaxError(f"Line {line_index + 1}: Missing = in line")
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entries[source.strip()] = translation.strip()
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line_index += 1
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return Translation(language, textdomain, entries)
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