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#!/usr/bin/env python3
import argparse
import os
import sys
import pygit2
from flake8.api import legacy as flake8_legacy
MODIFIED_STATUSES = (pygit2.GIT_STATUS_WT_MODIFIED,
pygit2.GIT_STATUS_INDEX_NEW,
pygit2.GIT_STATUS_INDEX_MODIFIED)
MODIFIED_STATUSES_FULL = (pygit2.GIT_STATUS_WT_MODIFIED,
pygit2.GIT_STATUS_WT_NEW,
pygit2.GIT_STATUS_INDEX_NEW,
pygit2.GIT_STATUS_INDEX_MODIFIED)
def is_git_repo(abspath):
"""
True of abspath points to a git repo, False otherwise
"""
if not os.path.isdir(abspath):
return False
try:
pygit2.Repository(abspath)
return True
except pygit2.GitError:
return False
def modifications_exist(abspath, args):
"""
True if modifications exist for git repo representing abspath
False if no modifications exist
pygit2.GitError raised if abspath points to illegal repo
"""
repo = pygit2.Repository(abspath)
status = repo.status()
if args.full_search:
statuses = MODIFIED_STATUSES_FULL
else:
statuses = MODIFIED_STATUSES
for gfile, state in status.items():
if state in statuses:
return True
return False
def print_modification_status(abspath, status, args):
"""
Prints the modification status for the give abspath
"""
if status:
if args.verbose:
print(f'{abspath} -> modified')
else:
print(abspath)
return status
if args.verbose:
print(f'{abspath} -> unchanged')
return status
def fetch_git_repos(abspath):
"""
Returns a list of git repo paths under abspath
"""
repo_list = list()
for root, dirs, files in os.walk(abspath):
if '.git' in dirs:
try:
pygit2.Repository(root)
repo_list.append(root)
except pygit2.GitError:
continue
return repo_list
def fetch_git_files(args):
"""
Fetches new and modified .py-files using pygit2
"""
git_files_list = list()
try:
repo = pygit2.Repository(args.repo_path)
status = repo.status()
except pygit2.GitError:
print('{repo_path} is not a valid git repository'.format(
repo_path=args.repo_path),
file=sys.stderr,
flush=True)
sys.exit(1)
if not status:
return git_files_list
for gfile, state in status.items():
if state in MODIFIED_STATUSES and gfile.lower().endswith('.py'):
if args.verbose:
print(gfile)
git_files_list.append(gfile)
return git_files_list
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description='The following options are available')
parser.add_argument(
'repo_path',
metavar='REPO',
default=os.getcwd(),
type=str,
help='Git repo path (default: cwd)')
parser.add_argument(
'-f', '--full',
action='store_true',
dest='full_search',
default=False,
help='Consider repos that contain untracked files (used with -m)')
parser.add_argument(
'-m', '--modifications-only',
action='store_true',
dest='mod_only',
default=False,
help='Only check for git modifications')
parser.add_argument(
'-r', '--recursive',
action='store_true',
dest='recursive',
default=False,
help='Look for several repos recursively')
parser.add_argument(
'-v', '--verbose',
action='store_true',
dest='verbose',
default=False,
help='Verbosity')
args = parser.parse_args()
abs_repo_path = os.path.abspath(os.path.expanduser(args.repo_path))
if args.mod_only:
if not args.recursive:
if not is_git_repo(abs_repo_path):
print(f'{abs_repo_path} is not a valid git repository',
file=sys.stderr,
flush=True)
sys.exit(1)
print_modification_status(abs_repo_path,
modifications_exist(abs_repo_path, args),
args)
sys.exit(0)
# resursive
repo_list = fetch_git_repos(abs_repo_path)
if not repo_list:
print('No git-repos found')
sys.exit(0)
repo_list.sort()
for repo_path in repo_list:
print_modification_status(repo_path,
modifications_exist(repo_path, args),
args)
sys.exit(0)
git_files = fetch_git_files(args)
if not git_files:
print('No modifications')
sys.exit(0)
report = flake8_legacy.get_style_guide().check_files(git_files)
if report.total_errors:
print('Total errors: {errors}'.format(errors=report.total_errors))
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