Python os 模块，__file__() 实例源码
我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用os.__file__()。
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", sys.copyright)
if _is_jython:
builtins.credits = _Printer(
"credits",
"Jython is maintained by the Jython developers (www.jython.org).")
elif _is_pypy:
builtins.credits = _Printer(
"credits",
"PyPy is maintained by the PyPy developers: http://pypy.org/")
else:
builtins.credits = _Printer("credits", """\
Thanks to CWI,CNRI,BeOpen.com,Zope Corporation and a cast of thousands
for supporting Python development. See www.python.org for more information.""")
here = os.path.dirname(os.__file__)
builtins.license = _Printer(
"license", "See http://www.python.org/%.3s/license.html" % sys.version,
["LICENSE.txt", "LICENSE"],
[os.path.join(here, os.pardir), here, os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
__builtin__.copyright = _Printer("copyright", sys.copyright)
if sys.platform[:4] == 'java':
__builtin__.credits = _Printer(
"credits",
"Jython is maintained by the Jython developers (www.jython.org).")
elif sys.platform == 'cli':
__builtin__.credits = _Printer(
"credits",
"IronPython is maintained by the IronPython developers (www.ironpython.net).")
else:
__builtin__.credits = _Printer("credits",Zope Corporation and a cast of thousands
for supporting Python development. See www.python.org for more information.""")
here = os.path.dirname(os.__file__)
__builtin__.license = _Printer(
"license", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
__builtin__.copyright = _Printer("copyright",
"Jython is maintained by the Jython developers (www.jython.org).")
else:
__builtin__.credits = _Printer("credits", "See http://www.python.org/psf/license/", os.curdir])
def mapPath(self, fsPathString):
"""
Map the given FS path to a ZipPath,by looking at the ZipImporter's
"archive" attribute and using it as our ZipArchive root,then walking
down into the archive from there.
@return: a L{zippath.ZipPath} or L{zippath.ZipArchive} instance.
"""
za = ZipArchive(self.importer.archive)
myPath = FilePath(self.importer.archive)
itsPath = FilePath(fsPathString)
if myPath == itsPath:
return za
# This is NOT a general-purpose rule for sys.path or __file__:
# zipimport specifically uses regular OS path syntax in its pathnames.
segs = itsPath.segmentsFrom(myPath)
zp = za
for seg in segs:
zp = zp.child(seg)
return zp
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def finish_request(self, request, client_address):
# The relative location of our test directory (which
# contains the ssl key and certificate files) differs
# between the stdlib and stand-alone asyncio.
# Prefer our own if we can find it.
here = os.path.join(os.path.dirname(__file__), '..', 'tests')
if not os.path.isdir(here):
here = os.path.join(os.path.dirname(os.__file__),
'test', 'test_asyncio')
keyfile = os.path.join(here, 'ssl_key.pem')
certfile = os.path.join(here, 'ssl_cert.pem')
ssock = ssl.wrap_socket(request,
keyfile=keyfile,
certfile=certfile,
server_side=True)
try:
self.RequestHandlerClass(ssock, client_address, self)
ssock.close()
except OSError:
# maybe socket has been closed by peer
pass
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def is_stdlib_name(self, modname):
"""Return ``True`` if `modname` appears to come from the standard
library."""
if imp.is_builtin(modname) != 0:
return True
module = sys.modules.get(modname)
if module is None:
return False
# six installs crap with no __file__
modpath = getattr(module, '__file__', '')
if 'site-packages' in modpath:
return False
for dirname in self.STDLIB_DIRS:
if os.path.commonprefix((dirname, modpath)) == dirname:
return True
return False
def _get_module_via_sys_modules(self, fullname):
"""Attempt to fetch source code via sys.modules. This is specifically
to support __main__,but it may catch a few more cases."""
module = sys.modules.get(fullname)
if not isinstance(module, types.ModuleType):
LOG.debug('sys.modules[%r] absent or not a regular module',
fullname)
return
modpath = self._py_filename(getattr(module, ''))
if not modpath:
return
is_pkg = hasattr(module, '__path__')
try:
source = inspect.getsource(module)
except IOError:
# Work around inspect.getsourcelines() bug.
if not is_pkg:
raise
source = '\n'
return (module.__file__.rstrip('co'),
source,
hasattr(module, '__path__'))
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
__builtin__.copyright = _Printer("copyright", "See https://www.python.org/psf/license/", os.curdir])
def GetVersionObject():
"""Gets the version of the SDK by parsing the VERSION file.
Returns:
A Yaml object or None if the VERSION file does not exist.
"""
version_filename = os.path.join(os.path.dirname(google.appengine.__file__),
VERSION_FILE)
try:
version_fh = open(version_filename)
except IOError:
logging.error('Could not find version file at %s', version_filename)
return None
try:
version = yaml.safe_load(version_fh)
finally:
version_fh.close()
return version
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
__builtin__.copyright = _Printer("copyright", os.curdir])
def GetVersionObject():
"""Gets the version of the SDK by parsing the VERSION file.
Returns:
A Yaml object or None if the VERSION file does not exist.
"""
version_filename = os.path.join(os.path.dirname(google.appengine.__file__), version_filename)
return None
try:
version = yaml.safe_load(version_fh)
finally:
version_fh.close()
return version
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in builtins"""
builtins.copyright = _Printer("copyright", sys.copyright)
if sys.platform[:4] == 'java':
builtins.credits = _Printer(
"credits",
"Jython is maintained by the Jython developers (www.jython.org).")
else:
builtins.credits = _Printer("credits", os.curdir])
def test_exec_counts(self):
self.tracer = Trace(count=1, trace=0, countfuncs=0, countcallers=0)
code = r'''traced_func_loop(2,5)'''
code = compile(code, __file__, 'exec')
self.tracer.runctx(code, globals(), vars())
firstlineno = get_firstlineno(traced_func_loop)
expected = {
(self.my_py_filename, firstlineno + 1): 1,
(self.my_py_filename, firstlineno + 2): 6, firstlineno + 3): 5, firstlineno + 4): 1,
}
# When used through 'run',some other spurious counts are produced,like
# the settrace of threading,which we ignore,just making sure that the
# counts fo traced_func_loop were right.
#
for k in expected.keys():
self.assertEqual(self.tracer.results().counts[k], expected[k])
def test_loop_caller_importing(self):
self.tracer.runfunc(traced_func_importing_caller, 1)
expected = {
((os.path.splitext(trace.__file__)[0] + '.py', 'trace', 'Trace.runfunc'),
(self.filemod + ('traced_func_importing_caller',))): 1,
((self.filemod + ('traced_func_simple_caller',)),
(self.filemod + ('traced_func_linear',
((self.filemod + ('traced_func_importing_caller',
(self.filemod + ('traced_func_simple_caller',
(self.filemod + ('traced_func_importing',
((self.filemod + ('traced_func_importing',
(fix_ext_py(testmod.__file__), 'testmod', 'func')): 1,
}
self.assertEqual(self.tracer.results().callers, expected)
# Created separately for issue #3821
def test_issue9936(self):
tracer = trace.Trace(trace=0, count=1)
modname = 'test.tracedmodules.testmod'
# Ensure that the module is executed in import
if modname in sys.modules:
del sys.modules[modname]
cmd = ("import test.tracedmodules.testmod as t;"
"t.func(0); t.func2();")
with captured_stdout() as stdout:
self._coverage(tracer, cmd)
stdout.seek(0)
stdout.readline()
coverage = {}
for line in stdout:
lines, cov, module = line.split()[:3]
coverage[module] = (int(lines), int(cov[:-1]))
# XXX This is needed to run regrtest.py as a script
modname = trace._fullmodname(sys.modules[modname].__file__)
self.assertIn(modname, coverage)
self.assertEqual(coverage[modname], (5, 100))
### Tests that don't mess with sys.settrace and can be traced
### themselves TODO: Skip tests that do mess with sys.settrace when
### regrtest is invoked with -T option.
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright", os.curdir])
def setcopyright():
"""Set 'copyright' and 'credits' in __builtin__"""
builtins.copyright = _Printer("copyright",
"PyPy is maintained by the PyPy developers: http://codespeak.net/pypy")
else:
builtins.credits = _Printer("credits", os.curdir])