Mercurial > hg
view tests/test-demandimport.py @ 38783:e7aa113b14f7
global: use pycompat.xrange()
On Python 3, our module importer automatically rewrites xrange()
to pycompat.xrange().
We want to move away from the custom importer on Python 3.
This commit converts all instances of xrange() to use
pycompat.xrange().
Differential Revision: https://phab.mercurial-scm.org/D4032
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Wed, 01 Aug 2018 13:00:45 -0700 |
parents | 1d0610fdd63b |
children | dffd6a301570 |
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from __future__ import absolute_import, print_function from mercurial import demandimport demandimport.enable() import os import subprocess import sys # Only run if demandimport is allowed if subprocess.call(['python', '%s/hghave' % os.environ['TESTDIR'], 'demandimport']): sys.exit(80) if os.name != 'nt': try: import distutils.msvc9compiler print('distutils.msvc9compiler needs to be an immediate ' 'importerror on non-windows platforms') distutils.msvc9compiler except ImportError: pass import re rsub = re.sub def f(obj): l = repr(obj) l = rsub("0x[0-9a-fA-F]+", "0x?", l) l = rsub("from '.*'", "from '?'", l) l = rsub("'<[a-z]*>'", "'<whatever>'", l) return l demandimport.disable() os.environ['HGDEMANDIMPORT'] = 'disable' # this enable call should not actually enable demandimport! demandimport.enable() from mercurial import node print("node =", f(node)) # now enable it for real del os.environ['HGDEMANDIMPORT'] demandimport.enable() # Test access to special attributes through demandmod proxy from mercurial import error as errorproxy print("errorproxy =", f(errorproxy)) print("errorproxy.__doc__ = %r" % (' '.join(errorproxy.__doc__.split()[:3]) + ' ...')) print("errorproxy.__name__ = %r" % errorproxy.__name__) # __name__ must be accessible via __dict__ so the relative imports can be # resolved print("errorproxy.__dict__['__name__'] = %r" % errorproxy.__dict__['__name__']) print("errorproxy =", f(errorproxy)) import os print("os =", f(os)) print("os.system =", f(os.system)) print("os =", f(os)) from mercurial.utils import procutil print("procutil =", f(procutil)) print("procutil.system =", f(procutil.system)) print("procutil =", f(procutil)) print("procutil.system =", f(procutil.system)) from mercurial import hgweb print("hgweb =", f(hgweb)) print("hgweb_mod =", f(hgweb.hgweb_mod)) print("hgweb =", f(hgweb)) import re as fred print("fred =", f(fred)) import re as remod print("remod =", f(remod)) import sys as re print("re =", f(re)) print("fred =", f(fred)) print("fred.sub =", f(fred.sub)) print("fred =", f(fred)) remod.escape # use remod print("remod =", f(remod)) print("re =", f(re)) print("re.stderr =", f(re.stderr)) print("re =", f(re)) import contextlib print("contextlib =", f(contextlib)) try: from contextlib import unknownattr print('no demandmod should be created for attribute of non-package ' 'module:\ncontextlib.unknownattr =', f(unknownattr)) except ImportError as inst: print('contextlib.unknownattr = ImportError: %s' % rsub(r"'", '', str(inst))) from mercurial import util # Unlike the import statement, __import__() function should not raise # ImportError even if fromlist has an unknown item # (see Python/import.c:import_module_level() and ensure_fromlist()) contextlibimp = __import__('contextlib', globals(), locals(), ['unknownattr']) print("__import__('contextlib', ..., ['unknownattr']) =", f(contextlibimp)) print("hasattr(contextlibimp, 'unknownattr') =", util.safehasattr(contextlibimp, 'unknownattr'))