wip: extract pot

pyproject.toml

@@ -32,6 +32,7 @@ questionpy-server = { git = "https://github.com/questionpy-org/questionpy-server
 jinja2 = "^3.1.3"
 aiohttp-jinja2 = "^1.6"
 lxml = "~5.1.0"
+babel = "^2.16.0"
 
 [tool.poetry.group.dev.dependencies]
 types-PyYAML = "^6.0.12.20240311"

questionpy_sdk/__main__.py

@@ -9,6 +9,7 @@
 import click
 
 from questionpy_sdk.commands.create import create
+from questionpy_sdk.commands.i18n import i18n
 from questionpy_sdk.commands.package import package
 from questionpy_sdk.commands.repo import repo
 from questionpy_sdk.commands.run import run
@@ -38,6 +39,7 @@ def cli(ctx: click.Context, *, verbose: bool, no_interaction: bool) -> None:
 cli.add_command(package)
 cli.add_command(run)
 cli.add_command(repo)
+cli.add_command(i18n)
 
 if __name__ == "__main__":
     cli()

questionpy_sdk/commands/i18n.py

@@ -0,0 +1,26 @@
+import itertools
+from pathlib import Path
+
+import click
+
+from questionpy_sdk.i18n import GettextTools
+
+from babel.messages.extract import extract_from_dir
+
+
+@click.group()
+def i18n() -> None:
+    pass
+
+@i18n.command()
+# TODO: Support extraction from already-zipped-up packages.
+@click.argument("source", type=click.Path(exists=True, file_okay=False, path_type=Path))
+@click.option("-o", "--output", type=click.Path(dir_okay=False, path_type=Path))
+def extract(source: Path, output: Path | None) -> None:
+    tools = GettextTools()
+
+    extract_from_dir(source, )
+
+    inputs = [path for path in itertools.chain(source.glob("python/**/*"), source.glob("templates/**/*"))
+              if path.is_file()]
+    tools.extract_pot(inputs, output or "-")