Mercurial > hg
view contrib/check-py3-compat.py @ 28713:806d260c6f3b
tests: fix builtin module test on pypy
On pypy datetime and cProfile are modules written in Python, not in C.
For the purpose of this test, just list them explicitely as builtins,
which silences warnings about them being imported before stdlib modules.
author | Maciej Fijalkowski <fijall@gmail.com> |
---|---|
date | Wed, 30 Mar 2016 21:54:26 +0200 |
parents | d69172ddfdca |
children | 1c22400db72d |
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#!/usr/bin/env python # # check-py3-compat - check Python 3 compatibility of Mercurial files # # Copyright 2015 Gregory Szorc <gregory.szorc@gmail.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import, print_function import ast import imp import os import sys import traceback def check_compat_py2(f): """Check Python 3 compatibility for a file with Python 2""" with open(f, 'rb') as fh: content = fh.read() root = ast.parse(content) # Ignore empty files. if not root.body: return futures = set() haveprint = False for node in ast.walk(root): if isinstance(node, ast.ImportFrom): if node.module == '__future__': futures |= set(n.name for n in node.names) elif isinstance(node, ast.Print): haveprint = True if 'absolute_import' not in futures: print('%s not using absolute_import' % f) if haveprint and 'print_function' not in futures: print('%s requires print_function' % f) def check_compat_py3(f): """Check Python 3 compatibility of a file with Python 3.""" with open(f, 'rb') as fh: content = fh.read() try: ast.parse(content) except SyntaxError as e: print('%s: invalid syntax: %s' % (f, e)) return # Try to import the module. # For now we only support mercurial.* and hgext.* modules because figuring # out module paths for things not in a package can be confusing. if f.startswith(('hgext/', 'mercurial/')) and not f.endswith('__init__.py'): assert f.endswith('.py') name = f.replace('/', '.')[:-3] with open(f, 'r') as fh: try: imp.load_module(name, fh, '', ('py', 'r', imp.PY_SOURCE)) except Exception as e: exc_type, exc_value, tb = sys.exc_info() frame = traceback.extract_tb(tb)[-1] if frame.filename: filename = os.path.basename(frame.filename) print('%s: error importing: <%s> %s (error at %s:%d)' % ( f, type(e).__name__, e, filename, frame.lineno)) else: print('%s: error importing module: <%s> %s (line %d)' % ( f, type(e).__name__, e, frame.lineno)) if __name__ == '__main__': if sys.version_info[0] == 2: fn = check_compat_py2 else: fn = check_compat_py3 for f in sys.argv[1:]: fn(f) sys.exit(0)