cpython/Tools/scripts/patchcheck.py

109 lines
3.3 KiB
Python

import os.path
import subprocess
import sys
import reindent
def n_files_str(count):
"""Return 'N file(s)' with the proper plurality on 'file'."""
return "{} file{}".format(count, "s" if count != 1 else "")
def status(message, modal=False, info=None):
"""Decorator to output status info to stdout."""
def decorated_fxn(fxn):
def call_fxn(*args, **kwargs):
sys.stdout.write(message + ' ... ')
sys.stdout.flush()
result = fxn(*args, **kwargs)
if not modal and not info:
print("done")
elif info:
print(info(result))
else:
if result:
print("yes")
else:
print("NO")
return result
return call_fxn
return decorated_fxn
@status("Getting the list of files that have been added/changed",
info=lambda x: n_files_str(len(x)))
def changed_files():
"""Run ``svn status`` and return a set of files that have been
changed/added."""
cmd = 'svn status --quiet --non-interactive --ignore-externals'
svn_st = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
svn_st.wait()
output = [x.decode().rstrip() for x in svn_st.stdout.readlines()]
files = set()
for line in output:
if not line[0] in ('A', 'M'):
continue
line_parts = line.split()
path = line_parts[-1]
if os.path.isfile(path):
files.add(path)
return files
def report_modified_files(file_paths):
count = len(file_paths)
if count == 0:
return n_files_str(count)
else:
lines = ["{}:".format(n_files_str(count))]
for path in file_paths:
lines.append(" {}".format(path))
return "\n".join(lines)
@status("Fixing whitespace", info=report_modified_files)
def normalize_whitespace(file_paths):
"""Make sure that the whitespace for .py files have been normalized."""
reindent.makebackup = False # No need to create backups.
fixed = []
for path in (x for x in file_paths if x.endswith('.py')):
if reindent.check(path):
fixed.append(path)
return fixed
@status("Docs modified", modal=True)
def docs_modified(file_paths):
"""Report if any file in the Doc directory has been changed."""
return bool(file_paths)
@status("Misc/ACKS updated", modal=True)
def credit_given(file_paths):
"""Check if Misc/ACKS has been changed."""
return 'Misc/ACKS' in file_paths
@status("Misc/NEWS updated", modal=True)
def reported_news(file_paths):
"""Check if Misc/NEWS has been changed."""
return 'Misc/NEWS' in file_paths
def main():
file_paths = changed_files()
python_files = [fn for fn in file_paths if fn.endswith('.py')]
c_files = [fn for fn in file_paths if fn.endswith(('.c', '.h'))]
docs = [fn for fn in file_paths if fn.startswith('Doc')]
special_files = {'Misc/ACKS', 'Misc/NEWS'} & set(file_paths)
# PEP 8 whitespace rules enforcement.
normalize_whitespace(python_files)
# Docs updated.
docs_modified(docs)
# Misc/ACKS changed.
credit_given(special_files)
# Misc/NEWS changed.
reported_news(special_files)
# Test suite run and passed.
print()
print("Did you run the test suite?")
if __name__ == '__main__':
main()