mirror of https://github.com/python/cpython
89 lines
3.2 KiB
Python
89 lines
3.2 KiB
Python
"""Check PEP compliance of metadata."""
|
|
|
|
from packaging import logger
|
|
from packaging.command.cmd import Command
|
|
from packaging.errors import PackagingSetupError
|
|
from packaging.util import resolve_name
|
|
|
|
class check(Command):
|
|
|
|
description = "check PEP compliance of metadata"
|
|
|
|
user_options = [('metadata', 'm', 'Verify metadata'),
|
|
('all', 'a',
|
|
('runs extended set of checks')),
|
|
('strict', 's',
|
|
'Will exit with an error if a check fails')]
|
|
|
|
boolean_options = ['metadata', 'all', 'strict']
|
|
|
|
def initialize_options(self):
|
|
"""Sets default values for options."""
|
|
self.all = False
|
|
self.metadata = True
|
|
self.strict = False
|
|
self._warnings = []
|
|
|
|
def finalize_options(self):
|
|
pass
|
|
|
|
def warn(self, msg, *args):
|
|
"""Wrapper around logging that also remembers messages."""
|
|
# XXX we could use a special handler for this, but would need to test
|
|
# if it works even if the logger has a too high level
|
|
self._warnings.append((msg, args))
|
|
return logger.warning('%s: %s' % (self.get_command_name(), msg), *args)
|
|
|
|
def run(self):
|
|
"""Runs the command."""
|
|
# perform the various tests
|
|
if self.metadata:
|
|
self.check_metadata()
|
|
if self.all:
|
|
self.check_restructuredtext()
|
|
self.check_hooks_resolvable()
|
|
|
|
# let's raise an error in strict mode, if we have at least
|
|
# one warning
|
|
if self.strict and len(self._warnings) > 0:
|
|
msg = '\n'.join(msg % args for msg, args in self._warnings)
|
|
raise PackagingSetupError(msg)
|
|
|
|
def check_metadata(self):
|
|
"""Ensures that all required elements of metadata are supplied.
|
|
|
|
name, version, URL, author
|
|
|
|
Warns if any are missing.
|
|
"""
|
|
missing, warnings = self.distribution.metadata.check(strict=True)
|
|
if missing != []:
|
|
self.warn('missing required metadata: %s', ', '.join(missing))
|
|
for warning in warnings:
|
|
self.warn(warning)
|
|
|
|
def check_restructuredtext(self):
|
|
"""Checks if the long string fields are reST-compliant."""
|
|
missing, warnings = self.distribution.metadata.check(restructuredtext=True)
|
|
if self.distribution.metadata.docutils_support:
|
|
for warning in warnings:
|
|
line = warning[-1].get('line')
|
|
if line is None:
|
|
warning = warning[1]
|
|
else:
|
|
warning = '%s (line %s)' % (warning[1], line)
|
|
self.warn(warning)
|
|
elif self.strict:
|
|
raise PackagingSetupError('The docutils package is needed.')
|
|
|
|
def check_hooks_resolvable(self):
|
|
for options in self.distribution.command_options.values():
|
|
for hook_kind in ("pre_hook", "post_hook"):
|
|
if hook_kind not in options:
|
|
break
|
|
for hook_name in options[hook_kind][1].values():
|
|
try:
|
|
resolve_name(hook_name)
|
|
except ImportError:
|
|
self.warn('name %r cannot be resolved', hook_name)
|