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refactor: reduce functions cognitive complexity by shenxianpeng · Pull Request #276 · commit-check/commit-check · GitHub

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refactor: reduce functions cognitive complexity #276

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Merged
shenxianpeng merged 7 commits into from
Sep 9, 2025
Conversation 23 Commits 7 Checks 25 Files changed
Merged

refactor: reduce functions cognitive complexity #276

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4e14363
refactor: reduce #275 its cognitive complexity
shenxianpeng Sep 7, 2025
9868f4f
Merge branch 'main' into bugfix/refactor-function
shenxianpeng Sep 8, 2025
8d8d8df
refactor: move _find_check to util
shenxianpeng Sep 8, 2025
6d4fff6
refactor: add _print_failure to call
shenxianpeng Sep 8, 2025
bfb2edb
refactor: add _print_failure to util
shenxianpeng Sep 8, 2025
bccd3dc
Update commit_check/util.py
shenxianpeng Sep 8, 2025
8a4161e
fix: update util to pass lint
shenxianpeng Sep 8, 2025
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66 changes: 39 additions & 27 deletions commit_check/author.py
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Original file line number Diff line number Diff line change
@@ -1,34 +1,46 @@
"""Check git author name and email"""
import re
from commit_check import YELLOW, RESET_COLOR, PASS, FAIL
from commit_check.util import get_commit_info, has_commits, print_error_header, print_error_message, print_suggestion
from commit_check.util import (
get_commit_info,
has_commits,
_find_check,
_print_failure,
)


_AUTHOR_FORMAT_MAP = {
"author_name": "an",
"author_email": "ae",
}


def _get_author_value(check_type: str) -> str:
"""Fetch the author value from git for the given check type."""
format_str = _AUTHOR_FORMAT_MAP.get(check_type, "")
return str(get_commit_info(format_str))


def check_author(checks: list, check_type: str) -> int:
"""Validate author name or email according to configured regex."""
if has_commits() is False:
return PASS # pragma: no cover

for check in checks:
if check['check'] == check_type:
if check['regex'] == "":
print(
f"{YELLOW}Not found regex for {check_type}. skip checking.{RESET_COLOR}",
)
return PASS
if check_type == "author_name":
format_str = "an"
if check_type == 'author_email':
format_str = "ae"
config_value = str(get_commit_info(format_str))
result = re.match(check['regex'], config_value)
if result is None:
if not print_error_header.has_been_called:
print_error_header()
print_error_message(
check['check'], check['regex'],
check['error'], config_value,
)
if check['suggest']:
print_suggestion(check['suggest'])
return FAIL
return PASS
return PASS # pragma: no cover

check = _find_check(checks, check_type)
if not check:
return PASS

# If regex is empty, skip without fetching author info
regex = check.get("regex", "")
if regex == "":
print(f"{YELLOW}Not found regex for {check_type}. skip checking.{RESET_COLOR}")
return PASS

value = _get_author_value(check_type)

if re.match(regex, value):
return PASS

_print_failure(check, regex, value)

return FAIL
80 changes: 38 additions & 42 deletions commit_check/branch.py
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Original file line number Diff line number Diff line change
@@ -1,30 +1,27 @@
"""Check git branch naming convention."""
import re
from commit_check import YELLOW, RESET_COLOR, PASS, FAIL
from commit_check.util import get_branch_name, git_merge_base, print_error_header, print_error_message, print_suggestion, has_commits
from commit_check.util import _find_check, _print_failure, get_branch_name, git_merge_base, has_commits
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def check_branch(checks: list) -> int:
for check in checks:
if check['check'] == 'branch':
if check['regex'] == "":
print(
f"{YELLOW}Not found regex for branch naming. skip checking.{RESET_COLOR}",
)
return PASS
branch_name = get_branch_name()
result = re.match(check['regex'], branch_name)
if result is None:
if not print_error_header.has_been_called:
print_error_header() # pragma: no cover
print_error_message(
check['check'], check['regex'],
check['error'], branch_name,
)
if check['suggest']:
print_suggestion(check['suggest'])
return FAIL
return PASS
check = _find_check(checks, 'branch')
if not check:
return PASS

regex = check.get('regex', "")
if regex == "":
print(
f"{YELLOW}Not found regex for branch naming. skip checking.{RESET_COLOR}",
)
return PASS

branch_name = get_branch_name()
if re.match(regex, branch_name):
return PASS

_print_failure(check, regex, branch_name)
return FAIL


def check_merge_base(checks: list) -> int:
Expand All @@ -36,24 +33,23 @@ def check_merge_base(checks: list) -> int:
if has_commits() is False:
return PASS # pragma: no cover

for check in checks:
if check['check'] == 'merge_base':
if check['regex'] == "":
print(
f"{YELLOW}Not found target branch for checking merge base. skip checking.{RESET_COLOR}",
)
return PASS
target_branch = check['regex'] if "origin/" in check['regex'] else f"origin/{check['regex']}"
current_branch = get_branch_name()
result = git_merge_base(target_branch, current_branch)
if result != 0:
if not print_error_header.has_been_called:
print_error_header() # pragma: no cover
print_error_message(
check['check'], check['regex'],
check['error'], current_branch,
)
if check['suggest']:
print_suggestion(check['suggest'])
return FAIL
return PASS
# locate merge_base rule, if any
check = _find_check(checks, 'merge_base')
if not check:
return PASS

regex = check.get('regex', "")
if regex == "":
print(
f"{YELLOW}Not found target branch for checking merge base. skip checking.{RESET_COLOR}",
)
return PASS

target_branch = regex if "origin/" in regex else f"origin/{regex}"
current_branch = get_branch_name()
result = git_merge_base(target_branch, current_branch)
if result == 0:
return PASS

_print_failure(check, regex, current_branch)
return FAIL
155 changes: 66 additions & 89 deletions commit_check/commit.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,14 +2,20 @@
import re
from pathlib import PurePath
from commit_check import YELLOW, RESET_COLOR, PASS, FAIL
from commit_check.util import cmd_output, get_commit_info, print_error_header, print_error_message, print_suggestion, has_commits
from commit_check.util import _find_check, _print_failure, cmd_output, get_commit_info, has_commits
from commit_check.imperatives import IMPERATIVES


def _load_imperatives() -> set:
"""Load imperative verbs from imperatives module."""
return IMPERATIVES

def _ensure_msg_file(commit_msg_file: str | None) -> str:
"""Return a commit message file path, falling back to the default when empty."""
if not commit_msg_file:
return get_default_commit_msg_file()
return commit_msg_file

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def get_default_commit_msg_file() -> str:
"""Get the default commit message file."""
Expand All @@ -26,118 +32,89 @@ def read_commit_msg(commit_msg_file) -> str:
# Commit message is composed by subject and body
return str(get_commit_info("s") + "\n\n" + get_commit_info("b"))


def check_commit_msg(checks: list, commit_msg_file: str = "") -> int:
"""Check commit message against the provided checks."""
if has_commits() is False:
return PASS # pragma: no cover
return PASS # pragma: no cover

if commit_msg_file is None or commit_msg_file == "":
commit_msg_file = get_default_commit_msg_file()
check = _find_check(checks, 'message')
if not check:
return PASS # pragma: no cover

commit_msg = read_commit_msg(commit_msg_file)
regex = check.get('regex', "")
if regex == "":
print(f"{YELLOW}Not found regex for commit message. skip checking.{RESET_COLOR}")
return PASS

for check in checks:
if check['check'] == 'message':
if check['regex'] == "":
print(
f"{YELLOW}Not found regex for commit message. skip checking.{RESET_COLOR}",
)
return PASS
path = _ensure_msg_file(commit_msg_file)
commit_msg = read_commit_msg(path)

result = re.match(check['regex'], commit_msg)
if result is None:
if not print_error_header.has_been_called:
print_error_header() # pragma: no cover
print_error_message(
check['check'], check['regex'],
check['error'], commit_msg,
)
if check['suggest']:
print_suggestion(check['suggest'])
return FAIL
if re.match(regex, commit_msg):
return PASS

return PASS
_print_failure(check, regex, commit_msg)
return FAIL


def check_commit_signoff(checks: list, commit_msg_file: str = "") -> int:
if has_commits() is False:
return PASS # pragma: no cover
return PASS # pragma: no cover

if commit_msg_file is None or commit_msg_file == "":
commit_msg_file = get_default_commit_msg_file()
check = _find_check(checks, 'commit_signoff')
if not check:
return PASS # pragma: no cover

for check in checks:
if check['check'] == 'commit_signoff':
if check['regex'] == "":
print(
f"{YELLOW}Not found regex for commit signoff. skip checking.{RESET_COLOR}",
)
return PASS
regex = check.get('regex', "")
if regex == "":
print(f"{YELLOW}Not found regex for commit signoff. skip checking.{RESET_COLOR}")
return PASS

commit_msg = read_commit_msg(commit_msg_file)
path = _ensure_msg_file(commit_msg_file)
commit_msg = read_commit_msg(path)

# Extract the subject line (first line of commit message)
subject = commit_msg.split('\n')[0].strip()
# Extract the subject line (first line of commit message)
subject = commit_msg.split('\n')[0].strip()

# Skip if merge commit
if subject.startswith('Merge'):
return PASS
# Skip if merge commit
if subject.startswith('Merge'):
return PASS

commit_hash = get_commit_info("H")
result = re.search(check['regex'], commit_msg)
if result is None:
if not print_error_header.has_been_called:
print_error_header() # pragma: no cover
print_error_message(
check['check'], check['regex'],
check['error'], commit_hash,
)
if check['suggest']:
print_suggestion(check['suggest'])
return FAIL
commit_hash = get_commit_info("H")
if re.search(regex, commit_msg):
return PASS

return PASS
_print_failure(check, regex, commit_hash)
return FAIL


def check_imperative(checks: list, commit_msg_file: str = "") -> int:
"""Check if commit message uses imperative mood."""
if has_commits() is False:
return PASS # pragma: no cover

if commit_msg_file is None or commit_msg_file == "":
commit_msg_file = get_default_commit_msg_file()

for check in checks:
if check['check'] == 'imperative':
commit_msg = read_commit_msg(commit_msg_file)

# Extract the subject line (first line of commit message)
subject = commit_msg.split('\n')[0].strip()

# Skip if empty or merge commit
if not subject or subject.startswith('Merge'):
return PASS

# For conventional commits, extract description after the colon
if ':' in subject:
description = subject.split(':', 1)[1].strip()
else:
description = subject

# Check if the description uses imperative mood
if not _is_imperative(description):
if not print_error_header.has_been_called:
print_error_header() # pragma: no cover
print_error_message(
check['check'], 'imperative mood pattern',
check['error'], subject,
)
if check['suggest']:
print_suggestion(check['suggest'])
return FAIL

return PASS
return PASS # pragma: no cover

check = _find_check(checks, 'imperative')
if not check:
return PASS

path = _ensure_msg_file(commit_msg_file)
commit_msg = read_commit_msg(path)

# Extract the subject line (first line of commit message)
subject = commit_msg.split('\n')[0].strip()

# Skip if empty or merge commit
if not subject or subject.startswith('Merge'):
return PASS

# For conventional commits, extract description after the colon
description = subject.split(':', 1)[1].strip() if ':' in subject else subject
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# Check if the description uses imperative mood
if _is_imperative(description):
return PASS

_print_failure(check, 'imperative mood pattern', subject)
return FAIL


def _is_imperative(description: str) -> bool:
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