101 lines
3.8 KiB
Python
101 lines
3.8 KiB
Python
"""File utility functions for Sphinx."""
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from __future__ import annotations
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import os
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import posixpath
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from typing import TYPE_CHECKING, Callable
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from docutils.utils import relative_path
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from sphinx.util.osutil import copyfile, ensuredir
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if TYPE_CHECKING:
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from sphinx.util.template import BaseRenderer
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from sphinx.util.typing import PathMatcher
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def copy_asset_file(source: str | os.PathLike[str], destination: str | os.PathLike[str],
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context: dict | None = None,
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renderer: BaseRenderer | None = None) -> None:
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"""Copy an asset file to destination.
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On copying, it expands the template variables if context argument is given and
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the asset is a template file.
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:param source: The path to source file
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:param destination: The path to destination file or directory
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:param context: The template variables. If not given, template files are simply copied
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:param renderer: The template engine. If not given, SphinxRenderer is used by default
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"""
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if not os.path.exists(source):
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return
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if os.path.isdir(destination):
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# Use source filename if destination points a directory
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destination = os.path.join(destination, os.path.basename(source))
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else:
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destination = str(destination)
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if os.path.basename(source).endswith(('_t', '_T')) and context is not None:
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if renderer is None:
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from sphinx.util.template import SphinxRenderer
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renderer = SphinxRenderer()
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with open(source, encoding='utf-8') as fsrc:
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if destination.endswith(('_t', '_T')):
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destination = destination[:-2]
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with open(destination, 'w', encoding='utf-8') as fdst:
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fdst.write(renderer.render_string(fsrc.read(), context))
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else:
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copyfile(source, destination)
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def copy_asset(source: str | os.PathLike[str], destination: str | os.PathLike[str],
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excluded: PathMatcher = lambda path: False,
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context: dict | None = None, renderer: BaseRenderer | None = None,
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onerror: Callable[[str, Exception], None] | None = None) -> None:
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"""Copy asset files to destination recursively.
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On copying, it expands the template variables if context argument is given and
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the asset is a template file.
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:param source: The path to source file or directory
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:param destination: The path to destination directory
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:param excluded: The matcher to determine the given path should be copied or not
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:param context: The template variables. If not given, template files are simply copied
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:param renderer: The template engine. If not given, SphinxRenderer is used by default
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:param onerror: The error handler.
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"""
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if not os.path.exists(source):
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return
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if renderer is None:
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from sphinx.util.template import SphinxRenderer
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renderer = SphinxRenderer()
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ensuredir(destination)
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if os.path.isfile(source):
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copy_asset_file(source, destination, context, renderer)
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return
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for root, dirs, files in os.walk(source, followlinks=True):
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reldir = relative_path(source, root) # type: ignore[arg-type]
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for dir in dirs[:]:
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if excluded(posixpath.join(reldir, dir)):
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dirs.remove(dir)
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else:
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ensuredir(posixpath.join(destination, reldir, dir))
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for filename in files:
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if not excluded(posixpath.join(reldir, filename)):
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try:
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copy_asset_file(posixpath.join(root, filename),
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posixpath.join(destination, reldir),
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context, renderer)
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except Exception as exc:
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if onerror:
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onerror(posixpath.join(root, filename), exc)
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else:
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raise
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