def _check_packers(self):
"""check packers for binary data and datetime support."""
pack = self.pack
unpack = self.unpack
# check simple serialization
msg = dict(a=[1,'hi'])
try:
packed = pack(msg)
except Exception:
raise ValueError("packer could not serialize a simple message")
# ensure packed message is bytes
if not isinstance(packed, bytes):
raise ValueError("message packed to %r, but bytes are required"%type(packed))
# check that unpack is pack's inverse
try:
unpacked = unpack(packed)
except Exception:
raise ValueError("unpacker could not handle the packer's output")
# check datetime support
msg = dict(t=datetime.now())
try:
unpacked = unpack(pack(msg))
except Exception:
self.pack = lambda o: pack(squash_dates(o))
self.unpack = lambda s: extract_dates(unpack(s))
def _check_packers(self):
"""check packers for binary data and datetime support."""
pack = self.pack
unpack = self.unpack
# check simple serialization
msg = dict(a=[1, 'hi'])
try:
packed = pack(msg)
except Exception:
raise ValueError("packer could not serialize a simple message")
# ensure packed message is bytes
if not isinstance(packed, bytes):
raise ValueError("message packed to %r, but bytes are required" %
type(packed))
# check that unpack is pack's inverse
try:
unpacked = unpack(packed)
except Exception:
raise ValueError("unpacker could not handle the packer's output")
# check datetime support
msg = dict(t=datetime.now())
try:
unpacked = unpack(pack(msg))
except Exception:
self.pack = lambda o: pack(squash_dates(o))
self.unpack = lambda s: extract_dates(unpack(s))
def _check_packers(self):
"""check packers for datetime support."""
pack = self.pack
unpack = self.unpack
# check simple serialization
msg = dict(a=[1, 'hi'])
try:
packed = pack(msg)
except Exception as e:
msg = "packer '{packer}' could not serialize a simple message: {e}{jsonmsg}"
if self.packer == 'json':
jsonmsg = "\nzmq.utils.jsonapi.jsonmod = %s" % jsonapi.jsonmod
else:
jsonmsg = ""
raise ValueError(
msg.format(packer=self.packer, e=e, jsonmsg=jsonmsg))
# ensure packed message is bytes
if not isinstance(packed, bytes):
raise ValueError("message packed to %r, but bytes are required" %
type(packed))
# check that unpack is pack's inverse
try:
unpacked = unpack(packed)
assert unpacked == msg
except Exception as e:
msg = "unpacker '{unpacker}' could not handle output from packer '{packer}': {e}{jsonmsg}"
if self.packer == 'json':
jsonmsg = "\nzmq.utils.jsonapi.jsonmod = %s" % jsonapi.jsonmod
else:
jsonmsg = ""
raise ValueError(
msg.format(packer=self.packer,
unpacker=self.unpacker,
e=e,
jsonmsg=jsonmsg))
# check datetime support
msg = dict(t=datetime.now())
try:
unpacked = unpack(pack(msg))
if isinstance(unpacked['t'], datetime):
raise ValueError("Shouldn't deserialize to datetime")
except Exception:
self.pack = lambda o: pack(squash_dates(o))
self.unpack = lambda s: unpack(s)
def _check_packers(self):
"""check packers for datetime support."""
pack = self.pack
unpack = self.unpack
# check simple serialization
msg = dict(a=[1, 'hi'])
try:
packed = pack(msg)
except Exception as e:
msg = "packer '{packer}' could not serialize a simple message: {e}{jsonmsg}"
if self.packer == 'json':
jsonmsg = "\nzmq.utils.jsonapi.jsonmod = %s" % jsonapi.jsonmod
else:
jsonmsg = ""
raise ValueError(
msg.format(packer=self.packer, e=e, jsonmsg=jsonmsg)
)
# ensure packed message is bytes
if not isinstance(packed, bytes):
raise ValueError(
"message packed to %r, but bytes are required" % type(packed))
# check that unpack is pack's inverse
try:
unpacked = unpack(packed)
assert unpacked == msg
except Exception as e:
msg = "unpacker '{unpacker}' could not handle output from packer '{packer}': {e}{jsonmsg}"
if self.packer == 'json':
jsonmsg = "\nzmq.utils.jsonapi.jsonmod = %s" % jsonapi.jsonmod
else:
jsonmsg = ""
raise ValueError(
msg.format(
packer=self.packer, unpacker=self.unpacker, e=e, jsonmsg=jsonmsg)
)
# check datetime support
msg = dict(t=datetime.now())
try:
unpacked = unpack(pack(msg))
if isinstance(unpacked['t'], datetime):
raise ValueError("Shouldn't deserialize to datetime")
except Exception:
self.pack = lambda o: pack(squash_dates(o))
self.unpack = lambda s: unpack(s)
elif isinstance(obj, list):
for i,v in enumerate(obj):
obj[i] = squash_unicode(v)
elif isinstance(obj, unicode_type):
obj = obj.encode('utf8')
return obj
#-----------------------------------------------------------------------------
# globals and defaults
#-----------------------------------------------------------------------------
# ISO8601-ify datetime objects
json_packer = lambda obj: jsonapi.dumps(obj, default=date_default)
json_unpacker = lambda s: jsonapi.loads(s)
pickle_packer = lambda o: pickle.dumps(squash_dates(o),-1)
pickle_unpacker = pickle.loads
default_packer = json_packer
default_unpacker = json_unpacker
DELIM = b"<IDS|MSG>"
# singleton dummy tracker, which will always report as done
DONE = zmq.MessageTracker()
#-----------------------------------------------------------------------------
# Mixin tools for apps that use Sessions
#-----------------------------------------------------------------------------
session_aliases = dict(
ident = 'Session.session',
obj = obj.encode('utf8')
return obj
#-----------------------------------------------------------------------------
# globals and defaults
#-----------------------------------------------------------------------------
# ISO8601-ify datetime objects
# allow unicode
# disallow nan, because it's not actually valid JSON
json_packer = lambda obj: jsonapi.dumps(obj, default=date_default,
ensure_ascii=False, allow_nan=False,
)
json_unpacker = lambda s: jsonapi.loads(s)
pickle_packer = lambda o: pickle.dumps(squash_dates(o), PICKLE_PROTOCOL)
pickle_unpacker = pickle.loads
default_packer = json_packer
default_unpacker = json_unpacker
DELIM = b"<IDS|MSG>"
# singleton dummy tracker, which will always report as done
DONE = zmq.MessageTracker()
#-----------------------------------------------------------------------------
# Mixin tools for apps that use Sessions
#-----------------------------------------------------------------------------
session_aliases = dict(
ident = 'Session.session',
#-----------------------------------------------------------------------------
# globals and defaults
#-----------------------------------------------------------------------------
# ISO8601-ify datetime objects
# allow unicode
# disallow nan, because it's not actually valid JSON
json_packer = lambda obj: jsonapi.dumps(
obj,
default=date_default,
ensure_ascii=False,
allow_nan=False,
)
json_unpacker = lambda s: jsonapi.loads(s)
pickle_packer = lambda o: pickle.dumps(squash_dates(o), PICKLE_PROTOCOL)
pickle_unpacker = pickle.loads
default_packer = json_packer
default_unpacker = json_unpacker
DELIM = b"<IDS|MSG>"
# singleton dummy tracker, which will always report as done
DONE = zmq.MessageTracker()
#-----------------------------------------------------------------------------
# Mixin tools for apps that use Sessions
#-----------------------------------------------------------------------------
session_aliases = dict(
ident='Session.session',
for i, v in enumerate(obj):
obj[i] = squash_unicode(v)
elif isinstance(obj, unicode_type):
obj = obj.encode('utf8')
return obj
#-----------------------------------------------------------------------------
# globals and defaults
#-----------------------------------------------------------------------------
# ISO8601-ify datetime objects
json_packer = lambda obj: jsonapi.dumps(obj, default=date_default)
json_unpacker = lambda s: jsonapi.loads(s)
pickle_packer = lambda o: pickle.dumps(squash_dates(o), -1)
pickle_unpacker = pickle.loads
default_packer = json_packer
default_unpacker = json_unpacker
DELIM = b"<IDS|MSG>"
# singleton dummy tracker, which will always report as done
DONE = zmq.MessageTracker()
#-----------------------------------------------------------------------------
# Mixin tools for apps that use Sessions
#-----------------------------------------------------------------------------
session_aliases = dict(
ident='Session.session',
