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Fix EVR regex to not match email addresses with - in them #445

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merged 1 commit into from
Jan 8, 2025
Merged

Fix EVR regex to not match email addresses with - in them #445

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66 changes: 43 additions & 23 deletions specfile/changelog.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,23 @@ class ChangelogEntry:
content: List of lines forming the content of the entry.
"""

_EVR_RE = re.compile(
r"""
^.*
\d{4} # year
\s+ # whitespace
.+ # author
\s+ # preceding whitespace
((?P<sb>\[)|(?P<rb>\())? # optional opening bracket
(?P<evr>\S+?) # EVR
(?(sb)\]|(?(rb)\))) # matching closing bracket
:? # optional colon
\s* # optional following whitespace
$
""",
re.VERBOSE,
)

def __init__(
self,
header: str,
Expand Down Expand Up @@ -83,25 +100,24 @@ def __repr__(self) -> str:
return f"ChangelogEntry({self.header!r}, {self.content!r}, {self._following_lines!r})"

@property
def evr(self) -> Optional[str]:
def evr(self) -> Optional[EVR]:
"""EVR (epoch, version, release) of the entry."""
m = re.match(
r"""
^.*
\s+ # preceding whitespace
((?P<sb>\[)|(?P<rb>\())? # optional opening bracket
(?P<evr>(\d+:)?\S+-\S+?) # EVR
(?(sb)\]|(?(rb)\))) # matching closing bracket
:? # optional colon
\s* # optional following whitespace
$
""",
self.header,
re.VERBOSE,
)
m = self._EVR_RE.match(self.header)

if not m:
return None
return m.group("evr")

evr_s = m.group("evr")
try:
evr = EVR.from_string(evr_s)
except SpecfileException:
return None

# looks like an email
if evr_s.startswith("<") and evr_s.endswith(">"):
return None

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return evr

@property
def extended_timestamp(self) -> bool:
Expand Down Expand Up @@ -263,7 +279,9 @@ def copy(self) -> "Changelog":
return copy.copy(self)

def filter(
self, since: Optional[str] = None, until: Optional[str] = None
self,
since: Optional[Union[str, EVR]] = None,
until: Optional[Union[str, EVR]] = None,
) -> "Changelog":
"""
Filters changelog entries with EVR between since and until.
Expand All @@ -278,9 +296,11 @@ def filter(
Filtered changelog.
"""

def parse_evr(s):
def parse_evr(str_or_evr: Union[str, EVR]) -> EVR:
if isinstance(str_or_evr, EVR):
return str_or_evr
try:
return EVR.from_string(s)
return EVR.from_string(str_or_evr)
except SpecfileException:
return EVR(version="0")

Expand All @@ -290,8 +310,8 @@ def parse_evr(s):
start_index = next(
(
i
for i, e in enumerate(self.data)
if parse_evr(e.evr) >= parse_evr(since)
for i, entry in enumerate(self.data)
if entry.evr >= parse_evr(since)
),
len(self.data) + 1,
)
Expand All @@ -301,8 +321,8 @@ def parse_evr(s):
end_index = next(
(
i + 1
for i, e in reversed(list(enumerate(self.data)))
if parse_evr(e.evr) <= parse_evr(until)
for i, entry in reversed(list(enumerate(self.data)))
if entry.evr <= parse_evr(until)
),
0,
)
Expand Down
35 changes: 25 additions & 10 deletions tests/unit/test_changelog.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,44 +3,57 @@

import copy
import datetime
from typing import Optional

import pytest

from specfile.changelog import Changelog, ChangelogEntry
from specfile.sections import Section
from specfile.utils import EVR


@pytest.mark.parametrize(
"header, evr",
[
("* Thu Jan 04 2007 Michael Schwendt <[email protected]>", None),
("* Thu Jan 04 2007 Michael Schwendt <[email protected]>", None),
(
"* Fri Jul 26 2024 Miroslav Suchý <[email protected]> - ss981107-67",
EVR(version="ss981107", release="67"),
),
(
"* Mon Jul 13 2020 Tom Stellard <[email protected]> 4.0-0.4.pre2",
"4.0-0.4.pre2",
EVR(version="4.0", release="0.4.pre2"),
),
(
"* Fri Jul 20 2018 Gwyn Ciesla <[email protected]> - 0.52-6",
EVR(version="0.52", release="6"),
),
("* Fri Jul 20 2018 Gwyn Ciesla <[email protected]> - 0.52-6", "0.52-6"),
(
"* Mon Feb 23 2009 Fedora Release Engineering <[email protected]> "
"- 1.23-3.20081106gitbe42b4",
"1.23-3.20081106gitbe42b4",
EVR(version="1.23", release="3.20081106gitbe42b4"),
),
(
"* Thu Feb 04 2016 Marcin Zajaczkowski <mszpak ATT wp DOTT pl> - 1:0.9.10-6",
"1:0.9.10-6",
EVR(epoch=1, version="0.9.10", release="6"),
),
(
"* Mon Jan 03 2022 Fedora Kernel Team <[email protected]> [5.16-0.rc8.55]",
"5.16-0.rc8.55",
EVR(version="5.16", release="0.rc8.55"),
),
(
"* Wed Jan 23 2002 Karsten Hopp <[email protected]> (4.6-1)",
EVR(version="4.6", release="1"),
),
("* Wed Jan 23 2002 Karsten Hopp <[email protected]> (4.6-1)", "4.6-1"),
(
"* Thu Apr 9 2015 Jeffrey C. Ollie <[email protected]> - 13.3.2-1:",
"13.3.2-1",
EVR(version="13.3.2", release="1"),
),
],
)
def test_entry_evr(header, evr):
assert ChangelogEntry(header, [""]).evr == evr
def test_entry_evr(header, evr: Optional[EVR]):
assert evr == ChangelogEntry(header, [""]).evr


@pytest.mark.parametrize(
Expand Down Expand Up @@ -133,7 +146,9 @@ def test_filter(since, until, evrs):
),
]
)
assert [e.evr for e in changelog.filter(since=since, until=until)] == evrs
assert [e.evr for e in changelog.filter(since=since, until=until)] == [
EVR.from_string(evr) for evr in evrs
]


def test_parse():
Expand Down
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