本文整理汇总了Python中pypy.module.imp.importing.get_pyc_magic函数的典型用法代码示例。如果您正苦于以下问题：Python get_pyc_magic函数的具体用法？Python get_pyc_magic怎么用？Python get_pyc_magic使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了get_pyc_magic函数的11个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_check_compiled_module
def test_check_compiled_module(self):
space = self.space
mtime = 12345
cpathname = _testfile(importing.get_pyc_magic(space), mtime)
ret = importing.check_compiled_module(space, cpathname, mtime)
assert ret is not None
ret.close()
# check for wrong mtime
ret = importing.check_compiled_module(space, cpathname, mtime + 1)
assert ret is None
# also check with expected mtime==0 (nothing special any more about 0)
ret = importing.check_compiled_module(space, cpathname, 0)
assert ret is None
os.remove(cpathname)
# check for wrong version
cpathname = _testfile(importing.get_pyc_magic(space) + 1, mtime)
ret = importing.check_compiled_module(space, cpathname, mtime)
assert ret is None
# check for empty .pyc file
f = open(cpathname, "wb")
f.close()
ret = importing.check_compiled_module(space, cpathname, mtime)
assert ret is None
os.remove(cpathname)示例2: test_check_compiled_module
def test_check_compiled_module(self):
space = self.space
mtime = 12345
cpathname = _testfile(importing.get_pyc_magic(space), mtime)
ret = importing.check_compiled_module(space,
cpathname,
mtime)
assert ret is not None
ret.close()
# check for wrong mtime
ret = importing.check_compiled_module(space,
cpathname,
mtime+1)
assert ret is None
os.remove(cpathname)
# check for wrong version
cpathname = _testfile(importing.get_pyc_magic(space)+1, mtime)
ret = importing.check_compiled_module(space,
cpathname,
mtime)
assert ret is None
# check for empty .pyc file
f = open(cpathname, 'wb')
f.close()
ret = importing.check_compiled_module(space,
cpathname,
mtime)
assert ret is None
os.remove(cpathname)示例3: setup_after_space_initialization
def setup_after_space_initialization(self):
"""NOT_RPYTHON"""
if not self.space.config.translating:
self.extra_interpdef('interp_pdb', 'interp_magic.interp_pdb')
if self.space.config.objspace.std.withmethodcachecounter:
self.extra_interpdef('method_cache_counter',
'interp_magic.method_cache_counter')
self.extra_interpdef('reset_method_cache_counter',
'interp_magic.reset_method_cache_counter')
if self.space.config.objspace.std.withmapdict:
self.extra_interpdef('mapdict_cache_counter',
'interp_magic.mapdict_cache_counter')
PYC_MAGIC = get_pyc_magic(self.space)
self.extra_interpdef('PYC_MAGIC', 'space.wrap(%d)' % PYC_MAGIC)
#
try:
from rpython.jit.backend import detect_cpu
model = detect_cpu.autodetect()
self.extra_interpdef('cpumodel', 'space.wrap(%r)' % model)
except Exception:
if self.space.config.translation.jit:
raise
else:
pass # ok fine to ignore in this case
#
if self.space.config.translation.jit:
features = detect_cpu.getcpufeatures(model)
self.extra_interpdef('jit_backend_features',
'space.wrap(%r)' % features)示例4: test_pyc_magic_changes
def test_pyc_magic_changes(self):
py.test.skip("For now, PyPy generates only one kind of .pyc files")
# test that the pyc files produced by a space are not reimportable
# from another, if they differ in what opcodes they support
allspaces = [self.space]
for opcodename in self.space.config.objspace.opcodes.getpaths():
key = 'objspace.opcodes.' + opcodename
space2 = maketestobjspace(make_config(None, **{key: True}))
allspaces.append(space2)
for space1 in allspaces:
for space2 in allspaces:
if space1 is space2:
continue
pathname = "whatever"
mtime = 12345
co = compile('x = 42', '?', 'exec')
cpathname = _testfile(importing.get_pyc_magic(space1),
mtime, co)
w_modulename = space2.wrap('somemodule')
stream = streamio.open_file_as_stream(cpathname, "rb")
try:
w_mod = space2.wrap(Module(space2, w_modulename))
magic = importing._r_long(stream)
timestamp = importing._r_long(stream)
space2.raises_w(space2.w_ImportError,
importing.load_compiled_module,
space2,
w_modulename,
w_mod,
cpathname,
magic,
timestamp,
stream.readall())
finally:
stream.close()示例5: can_use_pyc
def can_use_pyc(self, space, filename, magic, timestamp):
if magic != importing.get_pyc_magic(space):
return False
if self.check_newer_pyfile(space, filename[:-1], timestamp):
return False
if not self.check_compatible_mtime(space, filename, timestamp):
return False
return True示例6: get_magic
def get_magic(space):
x = importing.get_pyc_magic(space)
a = x & 0xff
x >>= 8
b = x & 0xff
x >>= 8
c = x & 0xff
x >>= 8
d = x & 0xff
return space.wrap(chr(a) + chr(b) + chr(c) + chr(d))示例7: setup_after_space_initialization
def setup_after_space_initialization(self):
"""NOT_RPYTHON"""
if not self.space.config.translating:
self.extra_interpdef('isfake', 'interp_magic.isfake')
self.extra_interpdef('interp_pdb', 'interp_magic.interp_pdb')
if self.space.config.objspace.std.withmethodcachecounter:
self.extra_interpdef('method_cache_counter',
'interp_magic.method_cache_counter')
self.extra_interpdef('reset_method_cache_counter',
'interp_magic.reset_method_cache_counter')
PYC_MAGIC = get_pyc_magic(self.space)
self.extra_interpdef('PYC_MAGIC', 'space.wrap(%d)' % PYC_MAGIC)示例8: make_pyc
def make_pyc(cls, space, co, mtime):
data = marshal.dumps(co)
if type(mtime) is type(0.0):
# Mac mtimes need a bit of special casing
if mtime < 0x7fffffff:
mtime = int(mtime)
else:
mtime = int(-0x100000000L + long(mtime))
s = StringIO()
try:
_w_long(s, get_pyc_magic(space))
except AttributeError:
import imp
s.write(imp.get_magic())
pyc = s.getvalue() + struct.pack("<i", int(mtime)) + data
return pyc示例9: setup_after_space_initialization
def setup_after_space_initialization(self):
"""NOT_RPYTHON"""
if not self.space.config.translating:
self.extra_interpdef("isfake", "interp_magic.isfake")
self.extra_interpdef("interp_pdb", "interp_magic.interp_pdb")
if self.space.config.objspace.std.withmethodcachecounter:
self.extra_interpdef("method_cache_counter", "interp_magic.method_cache_counter")
self.extra_interpdef("reset_method_cache_counter", "interp_magic.reset_method_cache_counter")
if self.space.config.objspace.std.withmapdict:
self.extra_interpdef("mapdict_cache_counter", "interp_magic.mapdict_cache_counter")
PYC_MAGIC = get_pyc_magic(self.space)
self.extra_interpdef("PYC_MAGIC", "space.wrap(%d)" % PYC_MAGIC)
#
from pypy.jit.backend import detect_cpu
model = detect_cpu.autodetect_main_model_and_size()
self.extra_interpdef("cpumodel", "space.wrap(%r)" % model)示例10: test_read_compiled_module
def test_read_compiled_module(self):
space = self.space
mtime = 12345
co = compile("x = 42", "?", "exec")
cpathname = _testfile(importing.get_pyc_magic(space), mtime, co)
stream = streamio.open_file_as_stream(cpathname, "rb")
try:
stream.seek(8, 0)
w_code = importing.read_compiled_module(space, cpathname, stream.readall())
pycode = w_code
finally:
stream.close()
assert type(pycode) is pypy.interpreter.pycode.PyCode
w_dic = space.newdict()
pycode.exec_code(space, w_dic, w_dic)
w_ret = space.getitem(w_dic, space.wrap("x"))
ret = space.int_w(w_ret)
assert ret == 42示例11: test_load_compiled_module
def test_load_compiled_module(self):
space = self.space
mtime = 12345
co = compile("x = 42", "?", "exec")
cpathname = _testfile(importing.get_pyc_magic(space), mtime, co)
w_modulename = space.wrap("somemodule")
stream = streamio.open_file_as_stream(cpathname, "rb")
try:
w_mod = space.wrap(Module(space, w_modulename))
magic = importing._r_long(stream)
timestamp = importing._r_long(stream)
w_ret = _load_compiled_module(space, w_modulename, w_mod, cpathname, magic, timestamp, stream.readall())
finally:
stream.close()
assert w_mod is w_ret
w_ret = space.getattr(w_mod, space.wrap("x"))
ret = space.int_w(w_ret)
assert ret == 42