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import itertools |
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import sys |
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if sys.version_info >= (3, 9): |
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List = list |
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else: |
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from typing import List |
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from pathlib import Path |
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from .text import normalize_eols |
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from .text import stringify_path |
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from .utils import find_executable |
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from .utils import popen_wrapper |
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from .utils import print_err |
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GETTEXT_TOOLS_STATUS_OK = 0 |
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GETTEXT_TOOLS_EXECUTABLES = [ |
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"xgettext", |
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"msguniq", |
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"msgmerge", |
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"msgattrib", |
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"msgfmt", |
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] |
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def validate_gettext_tools_exist() -> None: |
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for executable_name in GETTEXT_TOOLS_EXECUTABLES: |
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if find_executable(executable_name) is None: |
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raise OSError( |
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f"cannot find executable '{executable_name}': make sure you have GNU " |
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f"gettext tools 0.15 or newer installed" |
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) |
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def get_gettext_tool_output(args: List[str]) -> str: |
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content, errors, status = popen_wrapper(args) |
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if errors: |
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if status != GETTEXT_TOOLS_STATUS_OK: |
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tool_name = args[0] |
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raise RuntimeError( |
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f"failed to run gettext tool '{tool_name}' (status={status}): " |
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f"{errors}" |
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) |
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else: |
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print_err(errors) |
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if content: |
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content = normalize_eols(content) |
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return content |
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def _make_xgettext_args( |
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source_file_path: Path, |
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domain: str, |
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keywords: List[str], |
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no_wrap: bool, |
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no_location: bool, |
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extra_args: List[str], |
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) -> List[str]: |
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args = [ |
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"xgettext", |
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"-d", domain, |
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"--from-code=UTF-8", |
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"--add-comments=Translators", |
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"--output=-", |
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] |
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args.extend([f"--keyword={x}" for x in keywords]) |
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if no_wrap: |
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args.append("--no-wrap") |
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if no_location: |
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args.append("--no-location") |
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if extra_args: |
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args.extend(extra_args) |
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args.append(stringify_path(source_file_path)) |
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return args |
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def extract_translations( |
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source_file_path: Path, |
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domain: str, |
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keywords: List[str], |
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no_wrap: bool, |
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no_location: bool, |
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xgettext_extra_args: List[str], |
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) -> str: |
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args = _make_xgettext_args( |
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source_file_path=source_file_path, |
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domain=domain, |
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keywords=keywords, |
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no_wrap=no_wrap, |
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no_location=no_location, |
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extra_args=xgettext_extra_args, |
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) |
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return get_gettext_tool_output(args) |
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def strip_translations_header(translations: str) -> str: |
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""" |
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Strip header from translations generated by ``xgettext``. |
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Header consists of multiple lines separated from the body by an empty line. |
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""" |
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return "\n".join(itertools.dropwhile(len, translations.splitlines())) |
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def _make_msguniq_args( |
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pot_file_path: Path, |
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no_wrap: bool, |
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no_location: bool, |
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extra_args: List[str], |
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) -> List[str]: |
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args = [ |
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"msguniq", |
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"--to-code=utf-8", |
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] |
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if no_wrap: |
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args.append("--no-wrap") |
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if no_location: |
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args.append("--no-location") |
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if extra_args: |
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args.extend(extra_args) |
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args.append(stringify_path(pot_file_path)) |
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return args |
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def extract_unique_messages( |
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pot_file_path: Path, |
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no_wrap: bool, |
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no_location: bool, |
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msguniq_extra_args: List[str], |
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) -> str: |
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args = _make_msguniq_args( |
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pot_file_path=pot_file_path, |
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no_wrap=no_wrap, |
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no_location=no_location, |
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extra_args=msguniq_extra_args, |
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) |
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return get_gettext_tool_output(args) |
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def _make_msgmerge_args( |
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po_file_path: Path, |
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pot_file_path: Path, |
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no_wrap: bool, |
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no_location: bool, |
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extra_args: List[str], |
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) -> List[str]: |
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args = [ |
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"msgmerge", |
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"-q", |
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"--previous", |
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] |
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if no_wrap: |
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args.append("--no-wrap") |
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if no_location: |
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args.append("--no-location") |
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if extra_args: |
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args.extend(extra_args) |
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args.append(stringify_path(po_file_path)) |
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args.append(stringify_path(pot_file_path)) |
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return args |
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def merge_new_and_existing_translations( |
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po_file_path: Path, |
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pot_file_path: Path, |
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no_wrap: bool, |
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no_location: bool, |
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msgmerge_extra_args: List[str], |
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) -> str: |
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args = _make_msgmerge_args( |
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po_file_path=po_file_path, |
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pot_file_path=pot_file_path, |
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no_wrap=no_wrap, |
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no_location=no_location, |
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extra_args=msgmerge_extra_args, |
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) |
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return get_gettext_tool_output(args) |
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def _make_msgattrib_args( |
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po_file_path: Path, |
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no_wrap: bool, |
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no_location: bool, |
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extra_args: List[str], |
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) -> List[str]: |
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args = [ |
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"msgattrib", |
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"--no-obsolete", |
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] |
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if no_wrap: |
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args.append("--no-wrap") |
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if no_location: |
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args.append("--no-location") |
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if extra_args: |
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args.extend(extra_args) |
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po_file_path_str = stringify_path(po_file_path) |
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args.extend([ |
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"-o", |
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po_file_path_str, |
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po_file_path_str, |
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]) |
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return args |
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241
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def remove_obsolete_translations( |
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po_file_path: Path, |
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no_wrap: bool, |
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no_location: bool, |
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msgattrib_extra_args: List[str], |
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) -> str: |
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args = _make_msgattrib_args( |
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po_file_path=po_file_path, |
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no_wrap=no_wrap, |
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no_location=no_location, |
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extra_args=msgattrib_extra_args, |
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) |
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_ = get_gettext_tool_output(args) |
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256
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257
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def _make_msgfmt_args( |
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mo_file_path: Path, |
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po_file_path: Path, |
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fuzzy: bool, |
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extra_args: List[str], |
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) -> List[str]: |
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args = [ |
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"msgfmt", |
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"--check-format", |
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] |
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if fuzzy: |
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args.append("-f") |
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if extra_args: |
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args.extend(extra_args) |
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args.extend([ |
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"-o", |
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stringify_path(mo_file_path), |
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stringify_path(po_file_path), |
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]) |
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return args |
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283
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284
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def compile_translations( |
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mo_file_path: Path, |
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po_file_path: Path, |
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fuzzy: bool, |
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msgfmt_extra_args: List[str], |
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) -> None: |
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args = _make_msgfmt_args( |
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mo_file_path=mo_file_path, |
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po_file_path=po_file_path, |
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fuzzy=fuzzy, |
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extra_args=msgfmt_extra_args, |
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) |
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_ = get_gettext_tool_output(args) |
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|
oblalex /
verboselib
