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gh-67693: Fix urlunparse() and urlunsplit() for URIs with path starting with multiple slashes and no authority #113563

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Merged
serhiy-storchaka merged 10 commits into from
May 14, 2024
Merged

gh-67693: Fix urlunparse() and urlunsplit() for URIs with path starting with multiple slashes and no authority #113563

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ff16c46
fix: always add double slash if scheme is in uses_netloc
epicfaace Aug 15, 2019
151e39c
📜🤖 Added by blurb_it.
blurb-it[bot] Aug 27, 2019
0e177fd
Update 2019-08-27-01-16-50.bpo-34276.4NIAiy.rst
epicfaace Aug 27, 2019
eea029d
Merge branch 'main' into urls
serhiy-storchaka Dec 29, 2023
cc9067b
Fix urlunparse() and urlunsplit() for URIs with path starting with mu…
serhiy-storchaka Dec 29, 2023
fb03e5f
Change issue number.
serhiy-storchaka Dec 29, 2023
26951a7
Merge branch 'main' into urls2
serhiy-storchaka Dec 29, 2023
7f495b0
Delete Misc/NEWS.d/next/Library/2023-12-29-16-31-31.gh-issue-67693.qi…
serhiy-storchaka May 13, 2024
f5ab0c1
Merge branch 'main' into urls2
serhiy-storchaka May 13, 2024
62957fe
Add few more tests.
serhiy-storchaka May 13, 2024
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Fix urlunparse() and urlunsplit() for URIs with path starting with mu… 
…ltiple slashes and no authority.
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@serhiy-storchaka
serhiy-storchaka committed Dec 29, 2023
commit cc9067bf9e24acbc990077b680a7ad6ed8d457df
24 changes: 24 additions & 0 deletions Lib/test/test_urlparse.py
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Original file line number Diff line number Diff line change
Expand Up @@ -142,6 +142,30 @@ def test_qs(self):

def test_roundtrips(self):
str_cases = [
('path/to/file',
('', '', 'path/to/file', '', '', ''),
('', '', 'path/to/file', '', '')),
('/path/to/file',
('', '', '/path/to/file', '', '', ''),
('', '', '/path/to/file', '', '')),
('//path/to/file',
('', 'path', '/to/file', '', '', ''),
('', 'path', '/to/file', '', '')),
('////path/to/file',
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@serhiy-storchaka serhiy-storchaka May 13, 2024

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This case was broken.

('', '', '//path/to/file', '', '', ''),
('', '', '//path/to/file', '', '')),
('scheme:path/to/file',
('scheme', '', 'path/to/file', '', '', ''),
('scheme', '', 'path/to/file', '', '')),
('scheme:/path/to/file',
('scheme', '', '/path/to/file', '', '', ''),
('scheme', '', '/path/to/file', '', '')),
('scheme://path/to/file',
('scheme', 'path', '/to/file', '', '', ''),
('scheme', 'path', '/to/file', '', '')),
('scheme:////path/to/file',
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@serhiy-storchaka serhiy-storchaka May 13, 2024

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This case was broken.

('scheme', '', '//path/to/file', '', '', ''),
('scheme', '', '//path/to/file', '', '')),
('file:///tmp/junk.txt',
('file', '', '/tmp/junk.txt', '', '', ''),
('file', '', '/tmp/junk.txt', '', '')),
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2 changes: 1 addition & 1 deletion Lib/urllib/parse.py
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Expand Up @@ -525,7 +525,7 @@ def urlunsplit(components):
empty query; the RFC states that these are equivalent)."""
scheme, netloc, url, query, fragment, _coerce_result = (
_coerce_args(*components))
if netloc or (scheme and scheme in uses_netloc):
if netloc or (scheme and scheme in uses_netloc) or url[:2] == '//':
if url and url[:1] != '/': url = '/' + url
url = '//' + (netloc or '') + url
if scheme:
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3 changes: 2 additions & 1 deletion Misc/NEWS.d/next/Library/2019-08-27-01-16-50.bpo-34276.4NIAiy.rst
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@@ -1 +1,2 @@
Makes sure that file URIs with multiple leading slashes (file:////, etc.) are properly round-tripped by urllib.parse. Patch by Ashwin Ramaswami
Fix :func:`urllib.parse.urlunparse` and :func:`urllib.parse.urlunsplit` for URIs with path starting with multiple slashes and no authority.
Based on patch by Ashwin Ramaswami.