def _do_download(version, download_base, to_dir, download_delay):
egg = os.path.join(to_dir, 'setuptools-%s-py%d.%d.egg'
% (version, sys.version_info[0], sys.version_info[1]))
if not os.path.exists(egg):
archive = download_setuptools(version, download_base,
to_dir, download_delay)
_build_egg(egg, archive, to_dir)
sys.path.insert(0, egg)
# Remove previously-imported pkg_resources if present (see
# https://bitbucket.org/pypa/setuptools/pull-request/7/ for details).
if 'pkg_resources' in sys.modules:
del sys.modules['pkg_resources']
import setuptools
setuptools.bootstrap_install_from = egg
python类version_info()的实例源码
def current_version_string():
"""Current system python version as string major.minor.micro"""
return "{0}.{1}.{2}".format(sys.version_info.major,
sys.version_info.minor,
sys.version_info.micro)
def write_exports(exports, stream):
if sys.version_info[0] >= 3:
# needs to be a text stream
stream = codecs.getwriter('utf-8')(stream)
cp = configparser.ConfigParser()
for k, v in exports.items():
# TODO check k, v for valid values
cp.add_section(k)
for entry in v.values():
if entry.suffix is None:
s = entry.prefix
else:
s = '%s:%s' % (entry.prefix, entry.suffix)
if entry.flags:
s = '%s [%s]' % (s, ', '.join(entry.flags))
cp.set(k, entry.name, s)
cp.write(stream)
def __init__(self, *args, **kw):
if six.PY3: # Python 3
kw.pop('strict', None)
# Pre-set source_address in case we have an older Python like 2.6.
self.source_address = kw.get('source_address')
if sys.version_info < (2, 7): # Python 2.6
# _HTTPConnection on Python 2.6 will balk at this keyword arg, but
# not newer versions. We can still use it when creating a
# connection though, so we pop it *after* we have saved it as
# self.source_address.
kw.pop('source_address', None)
#: The socket options provided by the user. If no options are
#: provided, we use the default options.
self.socket_options = kw.pop('socket_options', self.default_socket_options)
# Superclass also sets self.source_address in Python 2.7+.
_HTTPConnection.__init__(self, *args, **kw)
def _prepare_proxy(self, conn):
"""
Establish tunnel connection early, because otherwise httplib
would improperly set Host: header to proxy's IP:port.
"""
# Python 2.7+
try:
set_tunnel = conn.set_tunnel
except AttributeError: # Platform-specific: Python 2.6
set_tunnel = conn._set_tunnel
if sys.version_info <= (2, 6, 4) and not self.proxy_headers: # Python 2.6.4 and older
set_tunnel(self.host, self.port)
else:
set_tunnel(self.host, self.port, self.proxy_headers)
conn.connect()
def check_requires_python(requires_python):
"""
Check if the python version in use match the `requires_python` specifier.
Returns `True` if the version of python in use matches the requirement.
Returns `False` if the version of python in use does not matches the
requirement.
Raises an InvalidSpecifier if `requires_python` have an invalid format.
"""
if requires_python is None:
# The package provides no information
return True
requires_python_specifier = specifiers.SpecifierSet(requires_python)
# We only use major.minor.micro
python_version = version.parse('.'.join(map(str, sys.version_info[:3])))
return python_version in requires_python_specifier
def check_dist_requires_python(dist):
metadata = get_metadata(dist)
feed_parser = FeedParser()
feed_parser.feed(metadata)
pkg_info_dict = feed_parser.close()
requires_python = pkg_info_dict.get('Requires-Python')
try:
if not check_requires_python(requires_python):
raise exceptions.UnsupportedPythonVersion(
"%s requires Python '%s' but the running Python is %s" % (
dist.project_name,
requires_python,
'.'.join(map(str, sys.version_info[:3])),)
)
except specifiers.InvalidSpecifier as e:
logger.warning(
"Package %s has an invalid Requires-Python entry %s - %s" % (
dist.project_name, requires_python, e))
return
def _do_download(version, download_base, to_dir, download_delay):
egg = os.path.join(to_dir, 'setuptools-%s-py%d.%d.egg'
% (version, sys.version_info[0], sys.version_info[1]))
if not os.path.exists(egg):
archive = download_setuptools(version, download_base,
to_dir, download_delay)
_build_egg(egg, archive, to_dir)
sys.path.insert(0, egg)
# Remove previously-imported pkg_resources if present (see
# https://bitbucket.org/pypa/setuptools/pull-request/7/ for details).
if 'pkg_resources' in sys.modules:
del sys.modules['pkg_resources']
import setuptools
setuptools.bootstrap_install_from = egg
def _do_download(version, download_base, to_dir, download_delay):
egg = os.path.join(to_dir, 'setuptools-%s-py%d.%d.egg'
% (version, sys.version_info[0], sys.version_info[1]))
if not os.path.exists(egg):
archive = download_setuptools(version, download_base,
to_dir, download_delay)
_build_egg(egg, archive, to_dir)
sys.path.insert(0, egg)
# Remove previously-imported pkg_resources if present (see
# https://bitbucket.org/pypa/setuptools/pull-request/7/ for details).
if 'pkg_resources' in sys.modules:
del sys.modules['pkg_resources']
import setuptools
setuptools.bootstrap_install_from = egg
def wrapped_ndpointer(*args, **kwargs):
"""
Specifies an ndpointer type that wraps numpy.ctypeslib.ndpointer and
allows a value of None to be passed to an argument of that type.
Taken from http://stackoverflow.com/questions/32120178
"""
if sys.version_info < (3,):
if 'flags' in kwargs:
kwargs['flags'] = tuple(
f.encode('ascii') for f in kwargs['flags'])
base = ndpointer(*args, **kwargs)
def from_param(cls, obj):
if obj is None:
return obj
return base.from_param(obj)
return type(base.__name__, (base,),
{'from_param': classmethod(from_param)})
json_format.py 文件源码
项目:ios-xr-grpc-python
作者: cisco-grpc-connection-libs
项目源码
文件源码
阅读 39
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def Parse(text, message, ignore_unknown_fields=False):
"""Parses a JSON representation of a protocol message into a message.
Args:
text: Message JSON representation.
message: A protocol buffer message to merge into.
ignore_unknown_fields: If True, do not raise errors for unknown fields.
Returns:
The same message passed as argument.
Raises::
ParseError: On JSON parsing problems.
"""
if not isinstance(text, six.text_type): text = text.decode('utf-8')
try:
if sys.version_info < (2, 7):
# object_pair_hook is not supported before python2.7
js = json.loads(text)
else:
js = json.loads(text, object_pairs_hook=_DuplicateChecker)
except ValueError as e:
raise ParseError('Failed to load JSON: {0}.'.format(str(e)))
return ParseDict(js, message, ignore_unknown_fields)
def __getImageData(self, imageData, fmt="gif"):
if fmt=="png":
self.__importPngimagetk()
if PngImageTk is False:
raise Exception(
"TKINTERPNG library not found, PNG files not supported: " + imagePath)
if sys.version_info >= (2, 7):
self.warn(
"Image processing for .PNGs is slow. .GIF is the recommended format")
# png = PngImageTk(imagePath)
# png.convert()
# photo = png.image
else:
raise Exception("PNG images only supported in python 3: " + imagePath)
else:
imgObj = PhotoImage(data=imageData)
imgObj.path = None
imgObj.modTime = datetime.datetime.now()
imgObj.isAnimated = False
imgObj.animating = False
return imgObj
# internal function to check/build image object
def __init__(self, *args, **kw):
if six.PY3: # Python 3
kw.pop('strict', None)
# Pre-set source_address in case we have an older Python like 2.6.
self.source_address = kw.get('source_address')
if sys.version_info < (2, 7): # Python 2.6
# _HTTPConnection on Python 2.6 will balk at this keyword arg, but
# not newer versions. We can still use it when creating a
# connection though, so we pop it *after* we have saved it as
# self.source_address.
kw.pop('source_address', None)
#: The socket options provided by the user. If no options are
#: provided, we use the default options.
self.socket_options = kw.pop('socket_options', self.default_socket_options)
# Superclass also sets self.source_address in Python 2.7+.
_HTTPConnection.__init__(self, *args, **kw)
def _prepare_proxy(self, conn):
"""
Establish tunnel connection early, because otherwise httplib
would improperly set Host: header to proxy's IP:port.
"""
# Python 2.7+
try:
set_tunnel = conn.set_tunnel
except AttributeError: # Platform-specific: Python 2.6
set_tunnel = conn._set_tunnel
if sys.version_info <= (2, 6, 4) and not self.proxy_headers: # Python 2.6.4 and older
set_tunnel(self._proxy_host, self.port)
else:
set_tunnel(self._proxy_host, self.port, self.proxy_headers)
conn.connect()
def write_exports(exports, stream):
if sys.version_info[0] >= 3:
# needs to be a text stream
stream = codecs.getwriter('utf-8')(stream)
cp = configparser.ConfigParser()
for k, v in exports.items():
# TODO check k, v for valid values
cp.add_section(k)
for entry in v.values():
if entry.suffix is None:
s = entry.prefix
else:
s = '%s:%s' % (entry.prefix, entry.suffix)
if entry.flags:
s = '%s [%s]' % (s, ', '.join(entry.flags))
cp.set(k, entry.name, s)
cp.write(stream)
def __init__(self, *args, **kw):
if six.PY3: # Python 3
kw.pop('strict', None)
# Pre-set source_address in case we have an older Python like 2.6.
self.source_address = kw.get('source_address')
if sys.version_info < (2, 7): # Python 2.6
# _HTTPConnection on Python 2.6 will balk at this keyword arg, but
# not newer versions. We can still use it when creating a
# connection though, so we pop it *after* we have saved it as
# self.source_address.
kw.pop('source_address', None)
#: The socket options provided by the user. If no options are
#: provided, we use the default options.
self.socket_options = kw.pop('socket_options', self.default_socket_options)
# Superclass also sets self.source_address in Python 2.7+.
_HTTPConnection.__init__(self, *args, **kw)
def _prepare_proxy(self, conn):
"""
Establish tunnel connection early, because otherwise httplib
would improperly set Host: header to proxy's IP:port.
"""
# Python 2.7+
try:
set_tunnel = conn.set_tunnel
except AttributeError: # Platform-specific: Python 2.6
set_tunnel = conn._set_tunnel
if sys.version_info <= (2, 6, 4) and not self.proxy_headers: # Python 2.6.4 and older
set_tunnel(self.host, self.port)
else:
set_tunnel(self.host, self.port, self.proxy_headers)
conn.connect()
def check_requires_python(requires_python):
"""
Check if the python version in use match the `requires_python` specifier.
Returns `True` if the version of python in use matches the requirement.
Returns `False` if the version of python in use does not matches the
requirement.
Raises an InvalidSpecifier if `requires_python` have an invalid format.
"""
if requires_python is None:
# The package provides no information
return True
requires_python_specifier = specifiers.SpecifierSet(requires_python)
# We only use major.minor.micro
python_version = version.parse('.'.join(map(str, sys.version_info[:3])))
return python_version in requires_python_specifier
def BeginAsyncReader(self, xoff, yoff, xsize, ysize, buf_obj = None, buf_xsize = None, buf_ysize = None, buf_type = None, band_list = None, options=[]):
if band_list is None:
band_list = range(1, self.RasterCount + 1)
if buf_xsize is None:
buf_xsize = 0;
if buf_ysize is None:
buf_ysize = 0;
if buf_type is None:
buf_type = GDT_Byte
if buf_xsize <= 0:
buf_xsize = xsize
if buf_ysize <= 0:
buf_ysize = ysize
if buf_obj is None:
from sys import version_info
nRequiredSize = int(buf_xsize * buf_ysize * len(band_list) * (_gdal.GetDataTypeSize(buf_type) / 8))
if version_info >= (3,0,0):
buf_obj_ar = [ None ]
exec("buf_obj_ar[0] = b' ' * nRequiredSize")
buf_obj = buf_obj_ar[0]
else:
buf_obj = ' ' * nRequiredSize
return _gdal.Dataset_BeginAsyncReader(self, xoff, yoff, xsize, ysize, buf_obj, buf_xsize, buf_ysize, buf_type, band_list, 0, 0, 0, options)
def run(self):
self.log.info("Python Version: {}".format(sys.version_info))
is_success = True
try:
self.initial_action()
self.process_table()
self.log_info()
except SystemExit:
pass
except Exception:
if self.refresh_id:
self.schematizer.update_refresh(
self.refresh_id,
RefreshStatus.FAILED,
self.processed_row_count
)
# Sends an email containing the exception encountered.
self._email_exception_in_exception_context()
is_success = False
finally:
# We don't want to drop the blackhole table until the replication handler is using
# the schema_tracker database stably. (TODO: DATAPIPE-845)
# self.final_action()
if not is_success:
os._exit(1)
def _getuserbase():
env_base = os.environ.get("IRONPYTHONUSERBASE", None)
def joinuser(*args):
return os.path.expanduser(os.path.join(*args))
# what about 'os2emx', 'riscos' ?
if os.name == "nt":
base = os.environ.get("APPDATA") or "~"
return env_base if env_base else joinuser(base, "Python")
if sys.platform == "darwin":
framework = get_config_var("PYTHONFRAMEWORK")
if framework:
return joinuser("~", "Library", framework, "%d.%d"%(
sys.version_info[:2]))
return env_base if env_base else joinuser("~", ".local")
def load_grammar(gt="Grammar.txt", gp=None,
save=True, force=False, logger=None):
"""Load the grammar (maybe from a pickle)."""
if logger is None:
logger = logging.getLogger()
if gp is None:
head, tail = os.path.splitext(gt)
if tail == ".txt":
tail = ""
gp = head + tail + ".".join(map(str, sys.version_info)) + ".pickle"
if force or not _newer(gp, gt):
logger.info("Generating grammar tables from %s", gt)
g = pgen.generate_grammar(gt)
if save:
logger.info("Writing grammar tables to %s", gp)
try:
g.dump(gp)
except IOError, e:
logger.info("Writing failed:"+str(e))
else:
g = grammar.Grammar()
g.load(gp)
return g
def _do_download(version, download_base, to_dir, download_delay):
"""Download Setuptools."""
egg = os.path.join(to_dir, 'setuptools-%s-py%d.%d.egg'
% (version, sys.version_info[0], sys.version_info[1]))
if not os.path.exists(egg):
archive = download_setuptools(version, download_base,
to_dir, download_delay)
_build_egg(egg, archive, to_dir)
sys.path.insert(0, egg)
# Remove previously-imported pkg_resources if present (see
# https://bitbucket.org/pypa/setuptools/pull-request/7/ for details).
if 'pkg_resources' in sys.modules:
del sys.modules['pkg_resources']
import setuptools
setuptools.bootstrap_install_from = egg
def read(self, iprot):
if iprot._fast_decode is not None and isinstance(iprot.trans, TTransport.CReadableTransport) and self.thrift_spec is not None:
iprot._fast_decode(self, iprot, (self.__class__, self.thrift_spec))
return
iprot.readStructBegin()
while True:
(fname, ftype, fid) = iprot.readFieldBegin()
if ftype == TType.STOP:
break
if fid == 1:
if ftype == TType.STRING:
self.name = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
else:
iprot.skip(ftype)
elif fid == 2:
if ftype == TType.STRING:
self.description = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
else:
iprot.skip(ftype)
else:
iprot.skip(ftype)
iprot.readFieldEnd()
iprot.readStructEnd()
def read(self, iprot):
if iprot._fast_decode is not None and isinstance(iprot.trans, TTransport.CReadableTransport) and self.thrift_spec is not None:
iprot._fast_decode(self, iprot, (self.__class__, self.thrift_spec))
return
iprot.readStructBegin()
while True:
(fname, ftype, fid) = iprot.readFieldBegin()
if ftype == TType.STOP:
break
if fid == 1:
if ftype == TType.MAP:
self.pspConfig = {}
(_ktype10, _vtype11, _size9) = iprot.readMapBegin()
for _i13 in range(_size9):
_key14 = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
_val15 = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
self.pspConfig[_key14] = _val15
iprot.readMapEnd()
else:
iprot.skip(ftype)
else:
iprot.skip(ftype)
iprot.readFieldEnd()
iprot.readStructEnd()
def read(self, iprot):
if iprot._fast_decode is not None and isinstance(iprot.trans, TTransport.CReadableTransport) and self.thrift_spec is not None:
iprot._fast_decode(self, iprot, (self.__class__, self.thrift_spec))
return
iprot.readStructBegin()
while True:
(fname, ftype, fid) = iprot.readFieldBegin()
if ftype == TType.STOP:
break
if fid == 1:
if ftype == TType.I32:
self.timeoutMillis = iprot.readI32()
else:
iprot.skip(ftype)
elif fid == 2:
if ftype == TType.STRING:
self.deviceName = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
else:
iprot.skip(ftype)
else:
iprot.skip(ftype)
iprot.readFieldEnd()
iprot.readStructEnd()
def read(self, iprot):
if iprot._fast_decode is not None and isinstance(iprot.trans, TTransport.CReadableTransport) and self.thrift_spec is not None:
iprot._fast_decode(self, iprot, (self.__class__, self.thrift_spec))
return
iprot.readStructBegin()
while True:
(fname, ftype, fid) = iprot.readFieldBegin()
if ftype == TType.STOP:
break
if fid == 1:
if ftype == TType.STRING:
self.remoteAddr = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
else:
iprot.skip(ftype)
else:
iprot.skip(ftype)
iprot.readFieldEnd()
iprot.readStructEnd()
def read(self, iprot):
if iprot._fast_decode is not None and isinstance(iprot.trans, TTransport.CReadableTransport) and self.thrift_spec is not None:
iprot._fast_decode(self, iprot, (self.__class__, self.thrift_spec))
return
iprot.readStructBegin()
while True:
(fname, ftype, fid) = iprot.readFieldBegin()
if ftype == TType.STOP:
break
if fid == 1:
if ftype == TType.STRING:
self.remoteAddr = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
else:
iprot.skip(ftype)
elif fid == 2:
if ftype == TType.I32:
self.serviceId = iprot.readI32()
else:
iprot.skip(ftype)
else:
iprot.skip(ftype)
iprot.readFieldEnd()
iprot.readStructEnd()
def write(self, oprot):
if oprot._fast_encode is not None and self.thrift_spec is not None:
oprot.trans.write(oprot._fast_encode(self, (self.__class__, self.thrift_spec)))
return
oprot.writeStructBegin('serviceTotalPriceEvent_args')
if self.remoteAddr is not None:
oprot.writeFieldBegin('remoteAddr', TType.STRING, 1)
oprot.writeString(self.remoteAddr.encode('utf-8') if sys.version_info[0] == 2 else self.remoteAddr)
oprot.writeFieldEnd()
if self.serviceID is not None:
oprot.writeFieldBegin('serviceID', TType.I32, 2)
oprot.writeI32(self.serviceID)
oprot.writeFieldEnd()
if self.totalPriceResp is not None:
oprot.writeFieldBegin('totalPriceResp', TType.STRUCT, 3)
self.totalPriceResp.write(oprot)
oprot.writeFieldEnd()
oprot.writeFieldStop()
oprot.writeStructEnd()
def read(self, iprot):
if iprot._fast_decode is not None and isinstance(iprot.trans, TTransport.CReadableTransport) and self.thrift_spec is not None:
iprot._fast_decode(self, iprot, (self.__class__, self.thrift_spec))
return
iprot.readStructBegin()
while True:
(fname, ftype, fid) = iprot.readFieldBegin()
if ftype == TType.STOP:
break
if fid == 1:
if ftype == TType.STRING:
self.msg = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
else:
iprot.skip(ftype)
else:
iprot.skip(ftype)
iprot.readFieldEnd()
iprot.readStructEnd()