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GH-76846, GH-85281: Call __new__() and __init__() on pathlib subclasses #102789

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Merged
merged 9 commits into from
Apr 3, 2023
Merged

GH-76846, GH-85281: Call __new__() and __init__() on pathlib subclasses #102789

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3aee8a6
Call `cls.__new__()` from `PurePath._from_parsed_parts()`
barneygale Mar 17, 2023
36f949e
Defer path normalization
barneygale Mar 17, 2023
e54b4cb
Add news blurb.
barneygale Mar 17, 2023
b8842db
Fix `str(Path('foo').parent)`
barneygale Mar 17, 2023
32d13ba
Make pickling cheaper
barneygale Mar 19, 2023
0524417
Revert "Make pickling cheaper"
barneygale Mar 19, 2023
e54a687
Apply suggestions from code review
barneygale Mar 27, 2023
1c155de
Use `object.__new__(cls)` to construct
barneygale Mar 27, 2023
5cc6e13
Tests: use path class to join parts in `_check_parse_parts()`
barneygale Mar 27, 2023
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Call cls.__new__() from PurePath._from_parsed_parts()
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@barneygale
barneygale committed Mar 17, 2023
commit 3aee8a699ea2eaadd96155c742768b153c9d5909
4 changes: 3 additions & 1 deletion Lib/pathlib.py
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Original file line number Diff line number Diff line change
Expand Up @@ -310,7 +310,9 @@ def _from_parts(cls, args):

@classmethod
def _from_parsed_parts(cls, drv, root, parts):
self = object.__new__(cls)
path = cls._format_parsed_parts(drv, root, parts)
self = cls(path)
self._str = path
self._drv = drv
self._root = root
self._parts = parts
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