Search is not available for this dataset
text stringlengths 75 104k |
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def _get_next_page(self, soup, current_page):
"""
Get the relative url of the next page (The "More" link at
the bottom of the page)
"""
# Get the table with all the comments:
if current_page == 1:
table = soup.findChildren('table')[3]
elif cu... |
def _build_comments(self, soup):
"""
For the story, builds and returns a list of Comment objects.
"""
comments = []
current_page = 1
while True:
# Get the table holding all comments:
if current_page == 1:
table = soup.f... |
def fromid(self, item_id):
"""
Initializes an instance of Story for given item_id.
It is assumed that the story referenced by item_id is valid
and does not raise any HTTP errors.
item_id is an int.
"""
if not item_id:
raise Exception('Need an i... |
def compare_name_component(list1, list2, settings, use_ratio=False):
"""
Compare a list of names from a name component based on settings
"""
if not list1[0] or not list2[0]:
not_required = not settings['required']
return not_required * 100 if use_ratio else not_required
if len(list1... |
def equate_initial(name1, name2):
"""
Evaluates whether names match, or one name is the initial of the other
"""
if len(name1) == 0 or len(name2) == 0:
return False
if len(name1) == 1 or len(name2) == 1:
return name1[0] == name2[0]
return name1 == name2 |
def equate_prefix(name1, name2):
"""
Evaluates whether names match, or one name prefixes another
"""
if len(name1) == 0 or len(name2) == 0:
return False
return name1.startswith(name2) or name2.startswith(name1) |
def equate_nickname(name1, name2):
"""
Evaluates whether names match based on common nickname patterns
This is not currently used in any name comparison
"""
# Convert '-ie' and '-y' to the root name
nickname_regex = r'(.)\1(y|ie)$'
root_regex = r'\1'
name1 = re.sub(nickname_regex, root... |
def make_ascii(word):
"""
Converts unicode-specific characters to their equivalent ascii
"""
if sys.version_info < (3, 0, 0):
word = unicode(word)
else:
word = str(word)
normalized = unicodedata.normalize('NFKD', word)
return normalized.encode('ascii', 'ignore').decode('utf... |
def seq_ratio(word1, word2):
"""
Returns sequence match ratio for two words
"""
raw_ratio = SequenceMatcher(None, word1, word2).ratio()
return int(round(100 * raw_ratio)) |
def deep_update_dict(default, options):
"""
Updates the values in a nested dict, while unspecified values will remain
unchanged
"""
for key in options.keys():
default_setting = default.get(key)
new_setting = options.get(key)
if isinstance(default_setting, dict):
d... |
def template_to_base_path(template, google_songs):
"""Get base output path for a list of songs for download."""
if template == os.getcwd() or template == '%suggested%':
base_path = os.getcwd()
else:
template = os.path.abspath(template)
song_paths = [template_to_filepath(template, song) for song in google_song... |
def random(cls, length, bit_prob=.5):
"""Create a bit string of the given length, with the probability of
each bit being set equal to bit_prob, which defaults to .5.
Usage:
# Create a random BitString of length 10 with mostly zeros.
bits = BitString.random(10, bit_prob=.... |
def crossover_template(cls, length, points=2):
"""Create a crossover template with the given number of points. The
crossover template can be used as a mask to crossover two
bitstrings of the same length.
Usage:
assert len(parent1) == len(parent2)
template = BitSt... |
def count(self):
"""Returns the number of bits set to True in the bit string.
Usage:
assert BitString('00110').count() == 2
Arguments: None
Return:
An int, the number of bits with value 1.
"""
result = 0
bits = self._bits
while bi... |
def drain_events(self, allowed_methods=None, timeout=None):
"""Wait for an event on any channel."""
return self.wait_multi(self.channels.values(), timeout=timeout) |
def wait_multi(self, channels, allowed_methods=None, timeout=None):
"""Wait for an event on a channel."""
chanmap = dict((chan.channel_id, chan) for chan in channels)
chanid, method_sig, args, content = self._wait_multiple(
chanmap.keys(), allowed_methods, timeout=timeout)
... |
def establish_connection(self):
"""Establish connection to the AMQP broker."""
conninfo = self.connection
if not conninfo.hostname:
raise KeyError("Missing hostname for AMQP connection.")
if conninfo.userid is None:
raise KeyError("Missing user id for AMQP connect... |
def queue_exists(self, queue):
"""Check if a queue has been declared.
:rtype bool:
"""
try:
self.channel.queue_declare(queue=queue, passive=True)
except AMQPChannelException, e:
if e.amqp_reply_code == 404:
return False
raise ... |
def queue_delete(self, queue, if_unused=False, if_empty=False):
"""Delete queue by name."""
return self.channel.queue_delete(queue, if_unused, if_empty) |
def queue_declare(self, queue, durable, exclusive, auto_delete,
warn_if_exists=False, arguments=None):
"""Declare a named queue."""
if warn_if_exists and self.queue_exists(queue):
warnings.warn(QueueAlreadyExistsWarning(
QueueAlreadyExistsWarning.__doc__))
... |
def exchange_declare(self, exchange, type, durable, auto_delete):
"""Declare an named exchange."""
return self.channel.exchange_declare(exchange=exchange,
type=type,
durable=durable,
... |
def queue_bind(self, queue, exchange, routing_key, arguments=None):
"""Bind queue to an exchange using a routing key."""
return self.channel.queue_bind(queue=queue,
exchange=exchange,
routing_key=routing_key,
... |
def get(self, queue, no_ack=False):
"""Receive a message from a declared queue by name.
:returns: A :class:`Message` object if a message was received,
``None`` otherwise. If ``None`` was returned, it probably means
there was no messages waiting on the queue.
"""
... |
def consume(self, limit=None):
"""Returns an iterator that waits for one message at a time."""
for total_message_count in count():
if limit and total_message_count >= limit:
raise StopIteration
if not self.channel.is_open:
raise StopIteration
... |
def cancel(self, consumer_tag):
"""Cancel a channel by consumer tag."""
if not self.channel.connection:
return
self.channel.basic_cancel(consumer_tag) |
def close(self):
"""Close the channel if open."""
if self._channel and self._channel.is_open:
self._channel.close()
self._channel_ref = None |
def qos(self, prefetch_size, prefetch_count, apply_global=False):
"""Request specific Quality of Service."""
self.channel.basic_qos(prefetch_size, prefetch_count,
apply_global) |
def channel(self):
"""If no channel exists, a new one is requested."""
if not self._channel:
self._channel_ref = weakref.ref(self.connection.get_channel())
return self._channel |
def establish_connection(self):
"""Establish connection to the AMQP broker."""
conninfo = self.connection
if not conninfo.hostname:
raise KeyError("Missing hostname for AMQP connection.")
if conninfo.userid is None:
raise KeyError("Missing user id for AMQP connect... |
def declare_consumer(self, queue, no_ack, callback, consumer_tag,
nowait=False):
"""Declare a consumer."""
return self.channel.basic_consume(queue=queue,
no_ack=no_ack,
callback=callback,
... |
def consume(self, limit=None):
"""Returns an iterator that waits for one message at a time."""
for total_message_count in count():
if limit and total_message_count >= limit:
raise StopIteration
if not self.channel.is_open:
raise StopIteration
... |
def cancel(self, consumer_tag):
"""Cancel a channel by consumer tag."""
if not self.channel.conn:
return
self.channel.basic_cancel(consumer_tag) |
def prepare_message(self, message_data, delivery_mode, priority=None,
content_type=None, content_encoding=None):
"""Encapsulate data into a AMQP message."""
return amqp.Message(message_data, properties={
"delivery_mode": delivery_mode,
"priority": priority... |
def raw_encode(data):
"""Special case serializer."""
content_type = 'application/data'
payload = data
if isinstance(payload, unicode):
content_encoding = 'utf-8'
payload = payload.encode(content_encoding)
else:
content_encoding = 'binary'
return content_type, content_enco... |
def register_json():
"""Register a encoder/decoder for JSON serialization."""
from anyjson import serialize as json_serialize
from anyjson import deserialize as json_deserialize
registry.register('json', json_serialize, json_deserialize,
content_type='application/json',
... |
def register_yaml():
"""Register a encoder/decoder for YAML serialization.
It is slower than JSON, but allows for more data types
to be serialized. Useful if you need to send data such as dates"""
try:
import yaml
registry.register('yaml', yaml.safe_dump, yaml.safe_load,
... |
def register_pickle():
"""The fastest serialization method, but restricts
you to python clients."""
import cPickle
registry.register('pickle', cPickle.dumps, cPickle.loads,
content_type='application/x-python-serialize',
content_encoding='binary') |
def register_msgpack():
"""See http://msgpack.sourceforge.net/"""
try:
import msgpack
registry.register('msgpack', msgpack.packs, msgpack.unpacks,
content_type='application/x-msgpack',
content_encoding='binary')
except ImportError:
def not_available(*... |
def register(self, name, encoder, decoder, content_type,
content_encoding='utf-8'):
"""Register a new encoder/decoder.
:param name: A convenience name for the serialization method.
:param encoder: A method that will be passed a python data structure
and should retu... |
def _set_default_serializer(self, name):
"""
Set the default serialization method used by this library.
:param name: The name of the registered serialization method.
For example, ``json`` (default), ``pickle``, ``yaml``,
or any custom methods registered using :meth:`regi... |
def encode(self, data, serializer=None):
"""
Serialize a data structure into a string suitable for sending
as an AMQP message body.
:param data: The message data to send. Can be a list,
dictionary or a string.
:keyword serializer: An optional string representing
... |
def decode(self, data, content_type, content_encoding):
"""Deserialize a data stream as serialized using ``encode``
based on :param:`content_type`.
:param data: The message data to deserialize.
:param content_type: The content-type of the data.
(e.g., ``application/json``).... |
def ack(self):
"""Acknowledge this message as being processed.,
This will remove the message from the queue.
:raises MessageStateError: If the message has already been
acknowledged/requeued/rejected.
"""
if self.acknowledged:
raise self.MessageStateError... |
def consume(self, limit=None):
"""Returns an iterator that waits for one message at a time."""
for total_message_count in count():
if limit and total_message_count >= limit:
raise StopIteration
self.drain_events()
yield True |
def random(cls, length, bit_prob=.5):
"""Create a bit string of the given length, with the probability of
each bit being set equal to bit_prob, which defaults to .5.
Usage:
# Create a random BitString of length 10 with mostly zeros.
bits = BitString.random(10, bit_prob=.... |
def crossover_template(cls, length, points=2):
"""Create a crossover template with the given number of points. The
crossover template can be used as a mask to crossover two
bitstrings of the same length.
Usage:
assert len(parent1) == len(parent2)
template = BitSt... |
def cover(cls, bits, wildcard_probability):
"""Create a new bit condition that matches the provided bit string,
with the indicated per-index wildcard probability.
Usage:
condition = BitCondition.cover(bitstring, .33)
assert condition(bitstring)
Arguments:
... |
def crossover_with(self, other, points=2):
"""Perform 2-point crossover on this bit condition and another of
the same length, returning the two resulting children.
Usage:
offspring1, offspring2 = condition1.crossover_with(condition2)
Arguments:
other: A second B... |
def get_backend_cls(self):
"""Get the currently used backend class."""
backend_cls = self.backend_cls
if not backend_cls or isinstance(backend_cls, basestring):
backend_cls = get_backend_cls(backend_cls)
return backend_cls |
def ensure_connection(self, errback=None, max_retries=None,
interval_start=2, interval_step=2, interval_max=30):
"""Ensure we have a connection to the server.
If not retry establishing the connection with the settings
specified.
:keyword errback: Optional callback called ea... |
def close(self):
"""Close the currently open connection."""
try:
if self._connection:
backend = self.create_backend()
backend.close_connection(self._connection)
except socket.error:
pass
self._closed = True |
def info(self):
"""Get connection info."""
backend_cls = self.backend_cls or "amqplib"
port = self.port or self.create_backend().default_port
return {"hostname": self.hostname,
"userid": self.userid,
"password": self.password,
"virtual_host... |
def decode(self):
"""Deserialize the message body, returning the original
python structure sent by the publisher."""
return serialization.decode(self.body, self.content_type,
self.content_encoding) |
def payload(self):
"""The decoded message."""
if not self._decoded_cache:
self._decoded_cache = self.decode()
return self._decoded_cache |
def ack(self):
"""Acknowledge this message as being processed.,
This will remove the message from the queue.
:raises MessageStateError: If the message has already been
acknowledged/requeued/rejected.
"""
if self.acknowledged:
raise self.MessageStateError... |
def reject(self):
"""Reject this message.
The message will be discarded by the server.
:raises MessageStateError: If the message has already been
acknowledged/requeued/rejected.
"""
if self.acknowledged:
raise self.MessageStateError(
"Me... |
def requeue(self):
"""Reject this message and put it back on the queue.
You must not use this method as a means of selecting messages
to process.
:raises MessageStateError: If the message has already been
acknowledged/requeued/rejected.
"""
if self.acknowle... |
def gen_unique_id():
"""Generate a unique id, having - hopefully - a very small chance of
collission.
For now this is provided by :func:`uuid.uuid4`.
"""
# Workaround for http://bugs.python.org/issue4607
if ctypes and _uuid_generate_random:
buffer = ctypes.create_string_buffer(16)
... |
def retry_over_time(fun, catch, args=[], kwargs={}, errback=None,
max_retries=None, interval_start=2, interval_step=2, interval_max=30):
"""Retry the function over and over until max retries is exceeded.
For each retry we sleep a for a while before we try again, this interval
is increased for every... |
def get(self, *args, **kwargs):
"""Get the next waiting message from the queue.
:returns: A :class:`Message` instance, or ``None`` if there is
no messages waiting.
"""
if not mqueue.qsize():
return None
message_data, content_type, content_encoding = mque... |
def queue_purge(self, queue, **kwargs):
"""Discard all messages in the queue."""
qsize = mqueue.qsize()
mqueue.queue.clear()
return qsize |
def prepare_message(self, message_data, delivery_mode,
content_type, content_encoding, **kwargs):
"""Prepare message for sending."""
return (message_data, content_type, content_encoding) |
def get_future_expectation(self, match_set):
"""Return a numerical value representing the expected future payoff
of the previously selected action, given only the current match
set. The match_set argument is a MatchSet instance representing the
current match set.
Usage:
... |
def covering_is_required(self, match_set):
"""Return a Boolean indicating whether covering is required for the
current match set. The match_set argument is a MatchSet instance
representing the current match set before covering is applied.
Usage:
match_set = model.match(situa... |
def cover(self, match_set):
"""Return a new classifier rule that can be added to the match set,
with a condition that matches the situation of the match set and an
action selected to avoid duplication of the actions already
contained therein. The match_set argument is a MatchSet instance... |
def distribute_payoff(self, match_set):
"""Distribute the payoff received in response to the selected
action of the given match set among the rules in the action set
which deserve credit for recommending the action. The match_set
argument is the MatchSet instance which suggested the sele... |
def update(self, match_set):
"""Update the classifier set from which the match set was drawn,
e.g. by applying a genetic algorithm. The match_set argument is the
MatchSet instance whose classifier set should be updated.
Usage:
match_set = model.match(situation)
m... |
def prune(self, model):
"""Reduce the classifier set's population size, if necessary, by
removing lower-quality *rules. Return a list containing any rules
whose numerosities dropped to zero as a result of this call. (The
list may be empty, if no rule's numerosity dropped to 0.) The
... |
def _update_fitness(self, action_set):
"""Update the fitness values of the rules belonging to this action
set."""
# Compute the accuracy of each rule. Accuracy is inversely
# proportional to error. Below a certain error threshold, accuracy
# becomes constant. Accuracy values rang... |
def _action_set_subsumption(self, action_set):
"""Perform action set subsumption."""
# Select a condition with maximum bit count among those having
# sufficient experience and sufficiently low error.
selected_rule = None
selected_bit_count = None
for rule in action_set:
... |
def _get_average_time_stamp(action_set):
"""Return the average time stamp for the rules in this action
set."""
# This is the average value of the iteration counter upon the most
# recent update of each rule in this action set.
total_time_stamps = sum(rule.time_stamp * rule.numero... |
def _select_parent(action_set):
"""Select a rule from this action set, with probability
proportionate to its fitness, to act as a parent for a new rule in
the classifier set. Return the selected rule."""
total_fitness = sum(rule.fitness for rule in action_set)
selector = random.u... |
def _mutate(self, condition, situation):
"""Create a new condition from the given one by probabilistically
applying point-wise mutations. Bits that were originally wildcarded
in the parent condition acquire their values from the provided
situation, to ensure the child condition continues... |
def establish_connection(self):
"""Establish connection to the AMQP broker."""
conninfo = self.connection
if not conninfo.port:
conninfo.port = self.default_port
credentials = pika.PlainCredentials(conninfo.userid,
conninfo.password... |
def queue_purge(self, queue, **kwargs):
"""Discard all messages in the queue. This will delete the messages
and results in an empty queue."""
return self.channel.queue_purge(queue=queue).message_count |
def queue_declare(self, queue, durable, exclusive, auto_delete,
warn_if_exists=False, arguments=None):
"""Declare a named queue."""
return self.channel.queue_declare(queue=queue,
durable=durable,
exclusive=e... |
def declare_consumer(self, queue, no_ack, callback, consumer_tag,
nowait=False):
"""Declare a consumer."""
@functools.wraps(callback)
def _callback_decode(channel, method, header, body):
return callback((channel, method, header, body))
return self.channel.basic_... |
def close(self):
"""Close the channel if open."""
if self._channel and not self._channel.handler.channel_close:
self._channel.close()
self._channel_ref = None |
def prepare_message(self, message_data, delivery_mode, priority=None,
content_type=None, content_encoding=None):
"""Encapsulate data into a AMQP message."""
properties = pika.BasicProperties(priority=priority,
content_type=content_type,
... |
def publish(self, message, exchange, routing_key, mandatory=None,
immediate=None, headers=None):
"""Publish a message to a named exchange."""
body, properties = message
if headers:
properties.headers = headers
ret = self.channel.basic_publish(body=body,
... |
def _generate_consumer_tag(self):
"""Generate a unique consumer tag.
:rtype string:
"""
return "%s.%s%s" % (
self.__class__.__module__,
self.__class__.__name__,
self._next_consumer_tag()) |
def declare(self):
"""Declares the queue, the exchange and binds the queue to
the exchange."""
arguments = None
routing_key = self.routing_key
if self.exchange_type == "headers":
arguments, routing_key = routing_key, ""
if self.queue:
self.backend... |
def _receive_callback(self, raw_message):
"""Internal method used when a message is received in consume mode."""
message = self.backend.message_to_python(raw_message)
if self.auto_ack and not message.acknowledged:
message.ack()
self.receive(message.payload, message) |
def fetch(self, no_ack=None, auto_ack=None, enable_callbacks=False):
"""Receive the next message waiting on the queue.
:returns: A :class:`carrot.backends.base.BaseMessage` instance,
or ``None`` if there's no messages to be received.
:keyword enable_callbacks: Enable callbacks. The... |
def receive(self, message_data, message):
"""This method is called when a new message is received by
running :meth:`wait`, :meth:`process_next` or :meth:`iterqueue`.
When a message is received, it passes the message on to the
callbacks listed in the :attr:`callbacks` attribute.
... |
def discard_all(self, filterfunc=None):
"""Discard all waiting messages.
:param filterfunc: A filter function to only discard the messages this
filter returns.
:returns: the number of messages discarded.
*WARNING*: All incoming messages will be ignored and not processed.
... |
def consume(self, no_ack=None):
"""Declare consumer."""
no_ack = no_ack or self.no_ack
self.backend.declare_consumer(queue=self.queue, no_ack=no_ack,
callback=self._receive_callback,
consumer_tag=self.consumer_tag,
... |
def wait(self, limit=None):
"""Go into consume mode.
Mostly for testing purposes and simple programs, you probably
want :meth:`iterconsume` or :meth:`iterqueue` instead.
This runs an infinite loop, processing all incoming messages
using :meth:`receive` to apply the message to a... |
def iterqueue(self, limit=None, infinite=False):
"""Infinite iterator yielding pending messages, by using
synchronous direct access to the queue (``basic_get``).
:meth:`iterqueue` is used where synchronous functionality is more
important than performance. If you can, use :meth:`itercons... |
def cancel(self):
"""Cancel a running :meth:`iterconsume` session."""
if self.channel_open:
try:
self.backend.cancel(self.consumer_tag)
except KeyError:
pass |
def close(self):
"""Close the channel to the queue."""
self.cancel()
self.backend.close()
self._closed = True |
def qos(self, prefetch_size=0, prefetch_count=0, apply_global=False):
"""Request specific Quality of Service.
This method requests a specific quality of service. The QoS
can be specified for the current channel or for all channels
on the connection. The particular properties and seman... |
def declare(self):
"""Declare the exchange.
Creates the exchange on the broker.
"""
self.backend.exchange_declare(exchange=self.exchange,
type=self.exchange_type,
durable=self.durable,
... |
def create_message(self, message_data, delivery_mode=None, priority=None,
content_type=None, content_encoding=None,
serializer=None):
"""With any data, serialize it and encapsulate it in a AMQP
message with the proper headers set."""
delivery_mode =... |
def send(self, message_data, routing_key=None, delivery_mode=None,
mandatory=False, immediate=False, priority=0, content_type=None,
content_encoding=None, serializer=None, exchange=None):
"""Send a message.
:param message_data: The message data to send. Can be a list,
... |
def send(self, message_data, delivery_mode=None):
"""See :meth:`Publisher.send`"""
self.publisher.send(message_data, delivery_mode=delivery_mode) |
def close(self):
"""Close any open channels."""
self.consumer.close()
self.publisher.close()
self._closed = True |
def _receive_callback(self, raw_message):
"""Internal method used when a message is received in consume mode."""
message = self.backend.message_to_python(raw_message)
if self.auto_ack and not message.acknowledged:
message.ack()
try:
decoded = message.decode()
... |
def add_consumer_from_dict(self, queue, **options):
"""Add another consumer from dictionary configuration."""
options.setdefault("routing_key", options.pop("binding_key", None))
consumer = Consumer(self.connection, queue=queue,
backend=self.backend, **options)
... |
def add_consumer(self, consumer):
"""Add another consumer from a :class:`Consumer` instance."""
consumer.backend = self.backend
self.consumers.append(consumer) |
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