Mercurial > hg
view contrib/check-py3-compat.py @ 33453:f6b7617a85bb
phases: add a 'registernew' method to set new phases
This new function will be used by code that adds new changesets. It ajusts the
phase boundary to make sure added changesets are at least in their target
phase (they end up in an higher phase if their parents are in a higher phase).
Having a dedicated function also simplify the phases tracking. All the new
nodes are passed as argument, so we know that all of them needs to have their
new phase registered. We also know that no other nodes will be affected, so no
extra computation are needed.
This function differ from 'retractboundary' where some nodes might change
phase while some other might not. It can also affect nodes not passed as
parameters.
These simplification also apply to the computation itself. For now we use
'_retractboundary' there by convenience, but we may introduces simpler code
later.
While registering new revisions, we still need to check the actual phases of
the added node because it might be higher than the target phase (eg: target is
draft but parent is secret).
We will migrate users over the next changesets.
author | Boris Feld <boris.feld@octobus.net> |
---|---|
date | Tue, 11 Jul 2017 03:47:25 +0200 |
parents | 778dc37ce683 |
children | 01417ca7f2e2 |
line wrap: on
line source
#!/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 importlib 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 modules in packages because figuring out module # paths for things not in a package can be confusing. if (f.startswith(('hgdemandimport/', 'hgext/', 'mercurial/')) and not f.endswith('__init__.py')): assert f.endswith('.py') name = f.replace('/', '.')[:-3] try: importlib.import_module(name) except Exception as e: exc_type, exc_value, tb = sys.exc_info() # We walk the stack and ignore frames from our custom importer, # import mechanisms, and stdlib modules. This kinda/sorta # emulates CPython behavior in import.c while also attempting # to pin blame on a Mercurial file. for frame in reversed(traceback.extract_tb(tb)): if frame.name == '_call_with_frames_removed': continue if 'importlib' in frame.filename: continue if 'mercurial/__init__.py' in frame.filename: continue if frame.filename.startswith(sys.prefix): continue break 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)