zulip/tools/run-mypy

120 lines
4.5 KiB
Python
Executable File

#!/usr/bin/env python
from __future__ import absolute_import
from __future__ import print_function
import os
import sys
import lister
import argparse
import subprocess
import six
from typing import cast, Dict, List
TOOLS_DIR = os.path.dirname(os.path.abspath(__file__))
os.chdir(os.path.dirname(TOOLS_DIR))
exclude_common = """
api/integrations/asana/zulip_asana_config.py
api/integrations/basecamp/zulip_basecamp_config.py
api/integrations/codebase/zulip_codebase_config.py
api/integrations/git/zulip_git_config.py
api/integrations/perforce/git_p4.py
api/integrations/perforce/zulip_perforce_config.py
api/integrations/svn/zulip_svn_config.py
api/integrations/trac/zulip_trac_config.py
api/integrations/git/post-receive
zproject/settings.py
zproject/test_settings.py
""".split()
# We don't run mypy on contrib_bots, since the code there will
# often be shared with other projects that do not want a mypy
# dependency (at least while it's still kind of beta).
exclude_common += ['contrib_bots']
exclude_py2 = [] # type: List[str]
exclude_py3 = """
bots/process_ccache
zerver/lib/ccache.py
""".split()
parser = argparse.ArgumentParser(description="Run mypy on files tracked by git.")
parser.add_argument('targets', nargs='*', default=[],
help="""files and directories to include in the result.
If this is not specified, the current directory is used""")
parser.add_argument('-m', '--modified', action='store_true', default=False, help='list only modified files')
parser.add_argument('-a', '--all', dest='all', action='store_true', default=False,
help="""run mypy on all python files, ignoring the exclude list.
This is useful if you have to find out which files fail mypy check.""")
parser.add_argument('--linecoverage-report', dest='linecoverage_report', action='store_true', default=False,
help="""run the linecoverage report to see annotation coverage""")
parser.add_argument('--no-disallow-untyped-defs', dest='disallow_untyped_defs', action='store_false', default=True,
help="""Don't throw errors when functions are not annotated""")
parser.add_argument('--scripts-only', dest='scripts_only', action='store_true', default=False,
help="""Only type check extensionless python scripts""")
group = parser.add_mutually_exclusive_group()
group.add_argument('--py2', default=False, action='store_true', help="Use Python 2 mode")
group.add_argument('--py3', default=False, action='store_true', help="Use Python 3 mode")
args = parser.parse_args()
if args.py2:
py_version = 2
elif args.py3:
py_version = 3
else:
py_version = 2
if args.all:
exclude = [] # type: List[str]
if py_version == 2:
exclude = exclude_common + exclude_py2
else:
exclude = exclude_common + exclude_py3
# find all non-excluded files in current directory
files_dict = cast(Dict[str, List[str]],
lister.list_files(targets=args.targets, ftypes=['py', 'pyi'],
use_shebang=True, modified_only=args.modified,
exclude = exclude + ['stubs'], group_by_ftype=True,
extless_only=args.scripts_only))
pyi_files = set(files_dict['pyi'])
python_files = [fpath for fpath in files_dict['py']
if not fpath.endswith('.py') or fpath + 'i' not in pyi_files]
# Use zulip-py3-venv's mypy if it's available and we're on python 2
PY3_VENV_DIR = "/srv/zulip-py3-venv"
MYPY_VENV_PATH = os.path.join(PY3_VENV_DIR, "bin", "mypy")
if six.PY2 and os.path.exists(MYPY_VENV_PATH):
mypy_command = MYPY_VENV_PATH
print("Using mypy from", mypy_command)
else:
mypy_command = "mypy"
extra_args = ["--fast-parser", "--silent-imports", "--check-untyped-defs", "--scripts-are-modules", "-i", "--cache-dir=var/mypy-cache"]
if py_version == 2:
extra_args.append("--py2")
if args.linecoverage_report:
extra_args.append("--linecoverage-report")
extra_args.append("var/linecoverage-report")
if args.disallow_untyped_defs:
extra_args.append("--disallow-untyped-defs")
# run mypy
if python_files:
rc = subprocess.call([mypy_command] + extra_args + python_files)
if args.linecoverage_report:
# Move the coverage report to where coveralls will look for it.
try:
os.rename('var/linecoverage-report/coverage.txt', 'var/.coverage')
except OSError:
# maybe mypy crashed; exit with its error code
pass
sys.exit(rc)
else:
print("There are no files to run mypy on.")