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Returns:
bool. The return code::
True -- Loaded
False -- Not Loaded
""""""
if name is None:
return True
if isinstance(name, str):
return (name in [x.__module__ for x in self])
if isinstance(name, Iterable):
return set(name).issubset([x.__module__ for x in self])
return False"
204,"def hook(self, function, dependencies=None):
""""""Tries to load a hook
Args:
function (func): Function that will be called when the event is called
Kwargs:
dependencies (str): String or Iterable with modules whose hooks should be called before this one
Raises:
:class:TypeError
Note that the dependencies are module-wide, that means that if
`parent.foo` and `parent.bar` are both subscribed to `example` event
and `child` enumerates `parent` as dependcy, **both** `foo` and `bar`
must be called in order for the dependcy to get resolved.
""""""
if not isinstance(dependencies, (Iterable, type(None), str)):
raise TypeError(""Invalid list of dependencies provided!"")
# Tag the function with its dependencies
if not hasattr(function, ""__deps__""):
function.__deps__ = dependencies
# If a module is loaded before all its dependencies are loaded, put
# it in _later list and don't load yet
if self.isloaded(function.__deps__):
self.append(function)
else:
self._later.append(function)
# After each module load, retry to resolve dependencies
for ext in self._later:
if self.isloaded(ext.__deps__):
self._later.remove(ext)
self.hook(ext)"
205,"def parse_from_json(json_str):
""""""
Given a Unified Uploader message, parse the contents and return a
MarketOrderList or MarketHistoryList instance.
:param str json_str: A Unified Uploader message as a JSON string.
:rtype: MarketOrderList or MarketHistoryList
:raises: MalformedUploadError when invalid JSON is passed in.
""""""
try:
message_dict = json.loads(json_str)
except ValueError:
raise ParseError(""Mal-formed JSON input."")
upload_keys = message_dict.get('uploadKeys', False)
if upload_keys is False:
raise ParseError(
""uploadKeys does not exist. At minimum, an empty array is required.""
)
elif not isinstance(upload_keys, list):
raise ParseError(
""uploadKeys must be an array object.""
)
upload_type = message_dict['resultType']
try:
if upload_type == 'orders':
return orders.parse_from_dict(message_dict)
elif upload_type == 'history':
return history.parse_from_dict(message_dict)
else:
raise ParseError(
'Unified message has unknown upload_type: %s' % upload_type)
except TypeError as exc:
# MarketOrder and HistoryEntry both raise TypeError exceptions if
# invalid input is encountered.
raise ParseError(exc.message)"
206,"def encode_to_json(order_or_history):
""""""
Given an order or history entry, encode it to JSON and return.
:type order_or_history: MarketOrderList or MarketHistoryList
:param order_or_history: A MarketOrderList or MarketHistoryList instance to
encode to JSON.
:rtype: str
:return: The encoded JSON string.