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af884cb284
* Mark 3.12 * Update importlib from Python 3.12.0 * Update test_importlib from Python3.12 * Mark failings tests from importlib * Update test.support from Python3.12 * Fix unsupported parser feature * mark failing test * Update functools from Python 3.12 * manual type annotation * slice behavior changed in 3.12 * empty unittest.main returns non-zero * test_decimal from CPython 3.12 * Mark failing tests * Update test_unicode from CPython 3.12 * Update test_functools from Python 3.12 * Update enum from Python 3.12 * enum * Doc format changed * Update test_module from CPython --------- Co-authored-by: CPython developers <>
110 lines
2.7 KiB
Python
Vendored
110 lines
2.7 KiB
Python
Vendored
# from jaraco.path 3.5
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import functools
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import pathlib
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from typing import Dict, Union
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try:
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from typing import Protocol, runtime_checkable
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except ImportError: # pragma: no cover
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# Python 3.7
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from typing_extensions import Protocol, runtime_checkable # type: ignore
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FilesSpec = Dict[str, Union[str, bytes, 'FilesSpec']] # type: ignore
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@runtime_checkable
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class TreeMaker(Protocol):
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def __truediv__(self, *args, **kwargs):
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... # pragma: no cover
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def mkdir(self, **kwargs):
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... # pragma: no cover
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def write_text(self, content, **kwargs):
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... # pragma: no cover
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def write_bytes(self, content):
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... # pragma: no cover
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def _ensure_tree_maker(obj: Union[str, TreeMaker]) -> TreeMaker:
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return obj if isinstance(obj, TreeMaker) else pathlib.Path(obj) # type: ignore
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def build(
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spec: FilesSpec,
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prefix: Union[str, TreeMaker] = pathlib.Path(), # type: ignore
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):
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"""
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Build a set of files/directories, as described by the spec.
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Each key represents a pathname, and the value represents
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the content. Content may be a nested directory.
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>>> spec = {
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... 'README.txt': "A README file",
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... "foo": {
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... "__init__.py": "",
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... "bar": {
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... "__init__.py": "",
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... },
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... "baz.py": "# Some code",
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... }
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... }
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>>> target = getfixture('tmp_path')
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>>> build(spec, target)
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>>> target.joinpath('foo/baz.py').read_text(encoding='utf-8')
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'# Some code'
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"""
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for name, contents in spec.items():
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create(contents, _ensure_tree_maker(prefix) / name)
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@functools.singledispatch
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def create(content: Union[str, bytes, FilesSpec], path):
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path.mkdir(exist_ok=True)
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build(content, prefix=path) # type: ignore
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@create.register
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def _(content: bytes, path):
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path.write_bytes(content)
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@create.register
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def _(content: str, path):
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path.write_text(content, encoding='utf-8')
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@create.register
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def _(content: str, path):
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path.write_text(content, encoding='utf-8')
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class Recording:
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"""
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A TreeMaker object that records everything that would be written.
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>>> r = Recording()
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>>> build({'foo': {'foo1.txt': 'yes'}, 'bar.txt': 'abc'}, r)
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>>> r.record
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['foo/foo1.txt', 'bar.txt']
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"""
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def __init__(self, loc=pathlib.PurePosixPath(), record=None):
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self.loc = loc
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self.record = record if record is not None else []
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def __truediv__(self, other):
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return Recording(self.loc / other, self.record)
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def write_text(self, content, **kwargs):
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self.record.append(str(self.loc))
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write_bytes = write_text
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def mkdir(self, **kwargs):
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return
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