8000 gh-117114: Add `isdevdrive` to `posixpath` by nineteendo · Pull Request #117115 · python/cpython · GitHub
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gh-117114: Add isdevdrive to posixpath #117115

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Merged
merged 11 commits into from
Mar 25, 2024
Merged

gh-117114: Add isdevdrive to posixpath #117115

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38f3e00
Same interface for `posixpath` & `ntpath`
nineteendo Mar 21, 2024
ca1376b
📜🤖 Added by blurb_it.
blurb-it[bot] Mar 21, 2024
e29802e
Decouple logic for `splitdrive` from `splitroot`
nineteendo Mar 21, 2024
e9cc0c9
Fixed `splitdrive` for "/:/foo"
nineteendo Mar 21, 2024
d4aef86
Make requested changes
nineteendo Mar 22, 2024
63d219c
Revert `splitroot`
nineteendo Mar 22, 2024
22f2c79
Remove comment
nineteendo Mar 22, 2024
50a9e30
Update Misc/NEWS.d/next/Core and Builtins/2024-03-21-09-57-57.gh-issu…
nineteendo Mar 23, 2024
0193598
Allow checking support for Dev Drives / junctions
nineteendo Mar 24, 2024
cbf1dc2
Update Misc/NEWS.d/next/Core and Builtins/2024-03-21-09-57-57.gh-issu…
nineteendo Mar 25, 2024
84c0c97
added link to `genericpath.py`
nineteendo Mar 25, 2024
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Revert splitroot
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@nineteendo
nineteendo committed Mar 22, 2024
commit 63d219c61d6fbea6233c79cff630fba302a76ff4
51 changes: 25 additions & 26 deletions Lib/ntpath.py
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Original file line number Diff line number Diff line change
Expand Up @@ -187,40 +187,39 @@ def splitroot(p):
altsep = b'/'
colon = b':'
unc_prefix = b'\\\\?\\UNC\\'
empty = b''
else:
sep = '\\'
altsep = '/'
colon = ':'
unc_prefix = '\\\\?\\UNC\\'
empty = ''
normp = p.replace(altsep, sep)
if normp[:1] != sep:
if normp[1:2] == colon:
# Drive-letter drives, e.g. X:
drive, p = p[:2], p[2:]
else:
drive = p[:0]
elif normp[1:2] != sep:
drive = p[:0]
else:
# UNC drives, e.g. \\server\share or \\?\UNC\server\share
# Device drives, e.g. \\.\device or \\?\device
start = 8 if normp[:8].upper() == unc_prefix else 2
index = normp.find(sep, start)
if index == -1:
drive, p = p, p[:0]
else:
if normp[:1] == sep:
if normp[1:2] == sep:
# UNC drives, e.g. \\server\share or \\?\UNC\server\share
# Device drives, e.g. \\.\device or \\?\device
start = 8 if normp[:8].upper() == unc_prefix else 2
index = normp.find(sep, start)
if index == -1:
return p, empty, empty
index2 = normp.find(sep, index + 1)
if index2 == -1:
drive, p = p, p[:0]
else:
drive, p = p[:index2], p[index2:]

# Split root
if normp[len(drive):len(drive)+1] == sep:
# Absolute path, e.g. X:\Windows
return drive, p[:1], p[1:]
# Relative path, e.g. X:Windows
return drive, p[:0], p
return p, empty, empty
return p[:index2], p[index2:index2 + 1], p[index2 + 1:]
else:
# Relative path with root, e.g. \Windows
return empty, p[:1], p[1:]
elif normp[1:2] == colon:
if normp[2:3] == sep:
# Absolute drive-letter path, e.g. X:\Windows
return p[:2], p[2:3], p[3:]
else:
# Relative path with drive, e.g. X:Windows
return p[:2], empty, p[2:]
else:
# Relative path, e.g. Windows
return empty, empty, p


# Split a path in head (everything up to the last '/') and tail (the
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