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def calculate_clock_angle(inst):
""" Calculate IMF clock angle and magnitude of IMF in GSM Y-Z plane
Parameters
-----------
inst : pysat.Instrument
Instrument with OMNI HRO data
"""
# Calculate clock angle in degrees
clock_angle = np.degrees(np.arctan2(inst['BY_GSM'], inst['BZ_... | Calculate IMF clock angle and magnitude of IMF in GSM Y-Z plane
Parameters
-----------
inst : pysat.Instrument
Instrument with OMNI HRO data | entailment |
def calculate_imf_steadiness(inst, steady_window=15, min_window_frac=0.75,
max_clock_angle_std=90.0/np.pi, max_bmag_cv=0.5):
""" Calculate IMF steadiness using clock angle standard deviation and
the coefficient of variation of the IMF magnitude in the GSM Y-Z plane
Parameters
... | Calculate IMF steadiness using clock angle standard deviation and
the coefficient of variation of the IMF magnitude in the GSM Y-Z plane
Parameters
-----------
inst : pysat.Instrument
Instrument with OMNI HRO data
steady_window : int
Window for calculating running statistical moment... | entailment |
def calculate_dayside_reconnection(inst):
""" Calculate the dayside reconnection rate (Milan et al. 2014)
Parameters
-----------
inst : pysat.Instrument
Instrument with OMNI HRO data, requires BYZ_GSM and clock_angle
Notes
--------
recon_day = 3.8 Re (Vx / 4e5 m/s)^1/3 Vx B_yz (sin... | Calculate the dayside reconnection rate (Milan et al. 2014)
Parameters
-----------
inst : pysat.Instrument
Instrument with OMNI HRO data, requires BYZ_GSM and clock_angle
Notes
--------
recon_day = 3.8 Re (Vx / 4e5 m/s)^1/3 Vx B_yz (sin(theta/2))^9/2 | entailment |
def clear_access(self, white_list=None):
""" clear all ace entries of the share
:param white_list: list of username whose access entry won't be cleared
:return: sid list of ace entries removed successfully
"""
access_entries = self.get_ace_list()
sid_list = access_entrie... | clear all ace entries of the share
:param white_list: list of username whose access entry won't be cleared
:return: sid list of ace entries removed successfully | entailment |
def delete_ace(self, domain=None, user=None, sid=None):
""" delete ACE for the share
delete ACE for the share. User could either supply the domain and
username or the sid of the user.
:param domain: domain of the user
:param user: username
:param sid: sid of the user o... | delete ACE for the share
delete ACE for the share. User could either supply the domain and
username or the sid of the user.
:param domain: domain of the user
:param user: username
:param sid: sid of the user or sid list of the user
:return: REST API response | entailment |
def luns(self):
"""Aggregator for ioclass_luns and ioclass_snapshots."""
lun_list, smp_list = [], []
if self.ioclass_luns:
lun_list = map(lambda l: VNXLun(lun_id=l.lun_id, name=l.name,
cli=self._cli), self.ioclass_luns)
if self.iocl... | Aggregator for ioclass_luns and ioclass_snapshots. | entailment |
def policy(self):
"""Returns policy which contains this ioclass."""
policies = VNXIOPolicy.get(cli=self._cli)
ret = None
for policy in policies:
contained = policy.ioclasses.name
if self._get_name() in contained:
ret = VNXIOPolicy.get(name=policy.n... | Returns policy which contains this ioclass. | entailment |
def modify(self, new_name=None, iotype=None, lun_ids=None, smp_names=None,
ctrlmethod=None, minsize=None, maxsize=None):
"""Overwrite the current properties for a VNX ioclass.
:param new_name: new name for the ioclass
:param iotype: can be 'rw', 'r' or 'w'
:param lun_ids:... | Overwrite the current properties for a VNX ioclass.
:param new_name: new name for the ioclass
:param iotype: can be 'rw', 'r' or 'w'
:param lun_ids: list of LUN IDs
:param smp_names: list of Snapshot Mount Point names
:param ctrlmethod: the new CtrlMethod
:param minsize:... | entailment |
def add_lun(self, luns):
"""A wrapper for modify method.
.. note:: This API only append luns to existing luns.
"""
curr_lun_ids, curr_smp_names = self._get_current_names()
luns = normalize_lun(luns, self._cli)
new_ids, new_smps = convert_lun(luns)
if new_ids:
... | A wrapper for modify method.
.. note:: This API only append luns to existing luns. | entailment |
def add_class(self, ioclass):
"""Add one VNXIOClass instance to policy.
.. note: due to the limitation of VNX, need to stop the policy first.
"""
current_ioclasses = self.ioclasses
if ioclass.name in current_ioclasses.name:
return
current_ioclasses.append(ioc... | Add one VNXIOClass instance to policy.
.. note: due to the limitation of VNX, need to stop the policy first. | entailment |
def remove_class(self, ioclass):
"""Remove VNXIOClass instance from policy."""
current_ioclasses = self.ioclasses
new_ioclasses = filter(lambda x: x.name != ioclass.name,
current_ioclasses)
self.modify(new_ioclasses=new_ioclasses) | Remove VNXIOClass instance from policy. | entailment |
def replace_lun(self, *lun_list):
"""Replaces the exiting LUNs to lun_list."""
lun_add = self._prepare_luns_add(lun_list)
lun_remove = self._prepare_luns_remove(lun_list, False)
return self.modify(lun_add=lun_add, lun_remove=lun_remove) | Replaces the exiting LUNs to lun_list. | entailment |
def update_lun(self, add_luns=None, remove_luns=None):
"""Updates the LUNs in CG, adding the ones in `add_luns` and removing
the ones in `remove_luns`"""
if not add_luns and not remove_luns:
log.debug("Empty add_luns and remove_luns passed in, "
"skip update_lun... | Updates the LUNs in CG, adding the ones in `add_luns` and removing
the ones in `remove_luns` | entailment |
def clean(inst):
"""Routine to return FPMU data cleaned to the specified level
Parameters
-----------
inst : (pysat.Instrument)
Instrument class object, whose attribute clean_level is used to return
the desired level of data selectivity.
Returns
--------
Void : (NoneType)
... | Routine to return FPMU data cleaned to the specified level
Parameters
-----------
inst : (pysat.Instrument)
Instrument class object, whose attribute clean_level is used to return
the desired level of data selectivity.
Returns
--------
Void : (NoneType)
data in inst is m... | entailment |
def _attach_files(self, files_info):
"""Attaches info returned by instrument list_files routine to
Instrument object.
"""
if not files_info.empty:
if (len(files_info.index.unique()) != len(files_info)):
estr = 'WARNING! Duplicate datetimes in provided file '
... | Attaches info returned by instrument list_files routine to
Instrument object. | entailment |
def _store(self):
"""Store currently loaded filelist for instrument onto filesystem"""
name = self.stored_file_name
# check if current file data is different than stored file list
# if so, move file list to previous file list, store current to file
# if not, do nothing
s... | Store currently loaded filelist for instrument onto filesystem | entailment |
def _load(self, prev_version=False):
"""Load stored filelist and return as Pandas Series
Parameters
----------
prev_version : boolean
if True, will load previous version of file list
Returns
-------
pandas.Series
Full path file names are ... | Load stored filelist and return as Pandas Series
Parameters
----------
prev_version : boolean
if True, will load previous version of file list
Returns
-------
pandas.Series
Full path file names are indexed by datetime
Series is empty ... | entailment |
def refresh(self):
"""Update list of files, if there are changes.
Calls underlying list_rtn for the particular science instrument.
Typically, these routines search in the pysat provided path,
pysat_data_dir/platform/name/tag/,
where pysat_data_dir is set by pysat.utils.s... | Update list of files, if there are changes.
Calls underlying list_rtn for the particular science instrument.
Typically, these routines search in the pysat provided path,
pysat_data_dir/platform/name/tag/,
where pysat_data_dir is set by pysat.utils.set_data_dir(path=path). | entailment |
def get_new(self):
"""List new files since last recorded file state.
pysat stores filenames in the user_home/.pysat directory. Returns
a list of all new fileanmes since the last known change to files.
Filenames are stored if there is a change and either update_files
is T... | List new files since last recorded file state.
pysat stores filenames in the user_home/.pysat directory. Returns
a list of all new fileanmes since the last known change to files.
Filenames are stored if there is a change and either update_files
is True at instrument object level... | entailment |
def get_index(self, fname):
"""Return index for a given filename.
Parameters
----------
fname : string
filename
Note
----
If fname not found in the file information already attached
to the instrument.files instance, then a f... | Return index for a given filename.
Parameters
----------
fname : string
filename
Note
----
If fname not found in the file information already attached
to the instrument.files instance, then a files.refresh() call
is made. | entailment |
def get_file_array(self, start, end):
"""Return a list of filenames between and including start and end.
Parameters
----------
start: array_like or single string
filenames for start of returned filelist
stop: array_like or single string
... | Return a list of filenames between and including start and end.
Parameters
----------
start: array_like or single string
filenames for start of returned filelist
stop: array_like or single string
filenames inclusive end of list
... | entailment |
def _remove_data_dir_path(self, inp=None):
# import string
"""Remove the data directory path from filenames"""
# need to add a check in here to make sure data_dir path is actually in
# the filename
if inp is not None:
split_str = os.path.join(self.data_path, '')
... | Remove the data directory path from filenames | entailment |
def from_os(cls, data_path=None, format_str=None,
two_digit_year_break=None):
"""
Produces a list of files and and formats it for Files class.
Requires fixed_width filename
Parameters
----------
data_path : string
Top level directory... | Produces a list of files and and formats it for Files class.
Requires fixed_width filename
Parameters
----------
data_path : string
Top level directory to search files for. This directory
is provided by pysat to the instrument_module.list_files
... | entailment |
def merge(self, other):
"""Adds metadata variables to self that are in other but not in self.
Parameters
----------
other : pysat.Meta
"""
for key in other.keys():
if key not in self:
# copies over both lower and high... | Adds metadata variables to self that are in other but not in self.
Parameters
----------
other : pysat.Meta | entailment |
def drop(self, names):
"""Drops variables (names) from metadata."""
# drop lower dimension data
self._data = self._data.drop(names, axis=0)
# drop higher dimension data
for name in names:
if name in self._ho_data:
_ = self._ho_data.pop(name) | Drops variables (names) from metadata. | entailment |
def keep(self, keep_names):
"""Keeps variables (keep_names) while dropping other parameters"""
current_names = self._data.columns
drop_names = []
for name in current_names:
if name not in keep_names:
drop_names.append(name)
self.drop(drop_name... | Keeps variables (keep_names) while dropping other parameters | entailment |
def apply_default_labels(self, other):
"""Applies labels for default meta labels from self onto other.
Parameters
----------
other : Meta
Meta object to have default labels applied
Returns
-------
Meta
"""
oth... | Applies labels for default meta labels from self onto other.
Parameters
----------
other : Meta
Meta object to have default labels applied
Returns
-------
Meta | entailment |
def accept_default_labels(self, other):
"""Applies labels for default meta labels from other onto self.
Parameters
----------
other : Meta
Meta object to take default labels from
Returns
-------
Meta
"""
self... | Applies labels for default meta labels from other onto self.
Parameters
----------
other : Meta
Meta object to take default labels from
Returns
-------
Meta | entailment |
def _label_setter(self, new_label, current_label, attr_label, default=np.NaN, use_names_default=False):
"""Generalized setter of default meta attributes
Parameters
----------
new_label : str
New label to use in the Meta object
current_label : str
... | Generalized setter of default meta attributes
Parameters
----------
new_label : str
New label to use in the Meta object
current_label : str
The hidden attribute to be updated that actually stores metadata
default :
Deafult setting to ... | entailment |
def var_case_name(self, name):
"""Provides stored name (case preserved) for case insensitive input
If name is not found (case-insensitive check) then name is returned,
as input. This function is intended to be used to help ensure the
case of a given variable name is the same acr... | Provides stored name (case preserved) for case insensitive input
If name is not found (case-insensitive check) then name is returned,
as input. This function is intended to be used to help ensure the
case of a given variable name is the same across the Meta object.
Para... | entailment |
def has_attr(self, name):
"""Returns boolean indicating presence of given attribute name
Case-insensitive check
Notes
-----
Does not check higher order meta objects
Parameters
----------
name : str
name of variable to... | Returns boolean indicating presence of given attribute name
Case-insensitive check
Notes
-----
Does not check higher order meta objects
Parameters
----------
name : str
name of variable to get stored case form
... | entailment |
def attr_case_name(self, name):
"""Returns preserved case name for case insensitive value of name.
Checks first within standard attributes. If not found there, checks
attributes for higher order data structures. If not found, returns
supplied name as it is available for use. Int... | Returns preserved case name for case insensitive value of name.
Checks first within standard attributes. If not found there, checks
attributes for higher order data structures. If not found, returns
supplied name as it is available for use. Intended to be used to help
ensure tha... | entailment |
def concat(self, other, strict=False):
"""Concats two metadata objects together.
Parameters
----------
other : Meta
Meta object to be concatenated
strict : bool
if True, ensure there are no duplicate variable names
Notes
-----
Use... | Concats two metadata objects together.
Parameters
----------
other : Meta
Meta object to be concatenated
strict : bool
if True, ensure there are no duplicate variable names
Notes
-----
Uses units and name label of self if other is differe... | entailment |
def pop(self, name):
"""Remove and return metadata about variable
Parameters
----------
name : str
variable name
Returns
-------
pandas.Series
Series of metadata for variable
"""
# check if present
if name in self:... | Remove and return metadata about variable
Parameters
----------
name : str
variable name
Returns
-------
pandas.Series
Series of metadata for variable | entailment |
def transfer_attributes_to_instrument(self, inst, strict_names=False):
"""Transfer non-standard attributes in Meta to Instrument object.
Pysat's load_netCDF and similar routines are only able to attach
netCDF4 attributes to a Meta object. This routine identifies these
attributes and rem... | Transfer non-standard attributes in Meta to Instrument object.
Pysat's load_netCDF and similar routines are only able to attach
netCDF4 attributes to a Meta object. This routine identifies these
attributes and removes them from the Meta object. Intent is to
support simple transfers to ... | entailment |
def from_csv(cls, name=None, col_names=None, sep=None, **kwargs):
"""Create instrument metadata object from csv.
Parameters
----------
name : string
absolute filename for csv file or name of file
stored in pandas instruments location
col_names : list-like... | Create instrument metadata object from csv.
Parameters
----------
name : string
absolute filename for csv file or name of file
stored in pandas instruments location
col_names : list-like collection of strings
column names in csv and resultant meta obj... | entailment |
def clean(self):
"""Routine to return C/NOFS IVM data cleaned to the specified level
Parameters
-----------
inst : (pysat.Instrument)
Instrument class object, whose attribute clean_level is used to return
the desired level of data selectivity.
Returns
--------
Void : (NoneT... | Routine to return C/NOFS IVM data cleaned to the specified level
Parameters
-----------
inst : (pysat.Instrument)
Instrument class object, whose attribute clean_level is used to return
the desired level of data selectivity.
Returns
--------
Void : (NoneType)
data in ins... | entailment |
def nonraw_instance(receiver):
"""
A signal receiver decorator that fetch the complete instance from db when
it's passed as raw
"""
@wraps(receiver)
def wrapper(sender, instance, raw, using, **kwargs):
if raw:
instance = sender._default_manager.using(using).get(pk=instance.pk... | A signal receiver decorator that fetch the complete instance from db when
it's passed as raw | entailment |
def base_definition_pre_delete(sender, instance, **kwargs):
"""
This is used to pass data required for deletion to the post_delete
signal that is no more available thereafter.
"""
# see CASCADE_MARK_ORIGIN's docstring
cascade_deletion_origin = popattr(
instance._state, '_cascade_deletion... | This is used to pass data required for deletion to the post_delete
signal that is no more available thereafter. | entailment |
def base_definition_post_delete(sender, instance, **kwargs):
"""
Make sure to delete fields inherited from an abstract model base.
"""
if hasattr(instance._state, '_deletion'):
# Make sure to flatten abstract bases since Django
# migrations can't deal with them.
model = popattr(i... | Make sure to delete fields inherited from an abstract model base. | entailment |
def raw_field_definition_proxy_post_save(sender, instance, raw, **kwargs):
"""
When proxy field definitions are loaded from a fixture they're not
passing through the `field_definition_post_save` signal. Make sure they
are.
"""
if raw:
model_class = instance.content_type.model_class()
... | When proxy field definitions are loaded from a fixture they're not
passing through the `field_definition_post_save` signal. Make sure they
are. | entailment |
def field_definition_post_save(sender, instance, created, raw, **kwargs):
"""
This signal is connected by all FieldDefinition subclasses
see comment in FieldDefinitionBase for more details
"""
model_class = instance.model_def.model_class().render_state()
field = instance.construct_for_migrate()
... | This signal is connected by all FieldDefinition subclasses
see comment in FieldDefinitionBase for more details | entailment |
def popattr(obj, attr, default=NOT_PROVIDED):
"""
Useful for retrieving an object attr and removing it if it's part of it's
dict while allowing retrieving from subclass.
i.e.
class A:
a = 'a'
class B(A):
b = 'b'
>>> popattr(B, 'a', None)
'a'
>>> A.a
'a'
"""
... | Useful for retrieving an object attr and removing it if it's part of it's
dict while allowing retrieving from subclass.
i.e.
class A:
a = 'a'
class B(A):
b = 'b'
>>> popattr(B, 'a', None)
'a'
>>> A.a
'a' | entailment |
def _app_cache_deepcopy(obj):
"""
An helper that correctly deepcopy model cache state
"""
if isinstance(obj, defaultdict):
return deepcopy(obj)
elif isinstance(obj, dict):
return type(obj)((_app_cache_deepcopy(key), _app_cache_deepcopy(val)) for key, val in obj.items())
elif isin... | An helper that correctly deepcopy model cache state | entailment |
def app_cache_restorer():
"""
A context manager that restore model cache state as it was before
entering context.
"""
state = _app_cache_deepcopy(apps.__dict__)
try:
yield state
finally:
with apps_lock():
apps.__dict__ = state
# Rebind the app registry... | A context manager that restore model cache state as it was before
entering context. | entailment |
def CASCADE_MARK_ORIGIN(collector, field, sub_objs, using):
"""
Custom on_delete handler which sets _cascade_deletion_origin on the _state
of the all relating objects that will deleted.
We use this handler on ModelDefinitionAttribute.model_def, so when we delete
a ModelDefinition we can skip field... | Custom on_delete handler which sets _cascade_deletion_origin on the _state
of the all relating objects that will deleted.
We use this handler on ModelDefinitionAttribute.model_def, so when we delete
a ModelDefinition we can skip field_definition_post_delete and
base_definition_post_delete and avoid an... | entailment |
def mutable_model_prepared(signal, sender, definition, existing_model_class,
**kwargs):
"""
Make sure all related model class are created and marked as dependency
when a mutable model class is prepared
"""
referenced_models = set()
# Collect all model class the obsolet... | Make sure all related model class are created and marked as dependency
when a mutable model class is prepared | entailment |
def _model_class_from_pk(definition_cls, definition_pk):
"""
Helper used to unpickle MutableModel model class from their definition
pk.
"""
try:
return definition_cls.objects.get(pk=definition_pk).model_class()
except definition_cls.DoesNotExist:
pass | Helper used to unpickle MutableModel model class from their definition
pk. | entailment |
def clean(self):
"""
Make sure the lookup makes sense
"""
if self.lookup == '?': # Randomly sort
return
else:
lookups = self.lookup.split(LOOKUP_SEP)
opts = self.model_def.model_class()._meta
valid = True
while len(look... | Make sure the lookup makes sense | entailment |
def lorentz_deriv((x, y, z), t0, sigma=10., beta=8./3, rho=28.0):
"""Compute the time-derivative of a Lorentz system."""
return [sigma * (y - x), x * (rho - z) - y, x * y - beta * z] | Compute the time-derivative of a Lorentz system. | entailment |
def buildParser():
''' Builds the parser for reading the command line arguments'''
parser = argparse.ArgumentParser(description='Bagfile reader')
parser.add_argument('-b', '--bag', help='Bag file to read',
required=True, type=str)
parser.add_argument('-s', '--series',
... | Builds the parser for reading the command line arguments | entailment |
def parse_series_args(topics, fields):
'''Return which topics and which field keys need to be examined
for plotting'''
keys = {}
for field in fields:
for topic in topics:
if field.startswith(topic):
keys[field] = (topic, field[len(topic) + 1:])
return keys | Return which topics and which field keys need to be examined
for plotting | entailment |
def bag_to_dataframe(bag_name, include=None, exclude=None, parse_header=False, seconds=False):
'''
Read in a rosbag file and create a pandas data frame that
is indexed by the time the message was recorded in the bag.
:bag_name: String name for the bag file
:include: None, String, or List Topics to... | Read in a rosbag file and create a pandas data frame that
is indexed by the time the message was recorded in the bag.
:bag_name: String name for the bag file
:include: None, String, or List Topics to include in the dataframe
if None all topics added, if string it is used as regular
... | entailment |
def get_length(topics, yaml_info):
'''
Find the length (# of rows) in the created dataframe
'''
total = 0
info = yaml_info['topics']
for topic in topics:
for t in info:
if t['topic'] == topic:
total = total + t['messages']
break
return tota... | Find the length (# of rows) in the created dataframe | entailment |
def create_data_map(msgs_to_read):
'''
Create a data map for usage when parsing the bag
'''
dmap = {}
for topic in msgs_to_read.keys():
base_name = get_key_name(topic) + '__'
fields = {}
for f in msgs_to_read[topic]:
key = (base_name + f).replace('.', '_')
... | Create a data map for usage when parsing the bag | entailment |
def prune_topics(bag_topics, include, exclude):
'''prune the topics. If include is None add all to the set of topics to
use if include is a string regex match that string,
if it is a list use the list
If exclude is None do nothing, if string remove the topics with regex,
if it is a l... | prune the topics. If include is None add all to the set of topics to
use if include is a string regex match that string,
if it is a list use the list
If exclude is None do nothing, if string remove the topics with regex,
if it is a list remove those topics | entailment |
def get_msg_info(yaml_info, topics, parse_header=True):
'''
Get info from all of the messages about what they contain
and will be added to the dataframe
'''
topic_info = yaml_info['topics']
msgs = {}
classes = {}
for topic in topics:
base_key = get_key_name(topic)
msg_pa... | Get info from all of the messages about what they contain
and will be added to the dataframe | entailment |
def get_bag_info(bag_file):
'''Get uamle dict of the bag information
by calling the subprocess -- used to create correct sized
arrays'''
# Get the info on the bag
bag_info = yaml.load(subprocess.Popen(
['rosbag', 'info', '--yaml', bag_file],
stdout=subprocess.PIPE).communicate()[0])
... | Get uamle dict of the bag information
by calling the subprocess -- used to create correct sized
arrays | entailment |
def get_topics(yaml_info):
''' Returns the names of all of the topics in the bag, and prints them
to stdout if requested
'''
# Pull out the topic info
names = []
# Store all of the topics in a dictionary
topics = yaml_info['topics']
for topic in topics:
names.append(topic['to... | Returns the names of all of the topics in the bag, and prints them
to stdout if requested | entailment |
def get_base_fields(msg, prefix='', parse_header=True):
'''function to get the full names of every message field in the message'''
slots = msg.__slots__
ret_val = []
msg_types = dict()
for i in slots:
slot_msg = getattr(msg, i)
if not parse_header and i == 'header':
conti... | function to get the full names of every message field in the message | entailment |
def get_message_data(msg, key):
'''get the datapoint from the dot delimited message field key
e.g. translation.x looks up translation than x and returns the value found
in x'''
data = msg
paths = key.split('.')
for i in paths:
data = getattr(data, i)
return data | get the datapoint from the dot delimited message field key
e.g. translation.x looks up translation than x and returns the value found
in x | entailment |
def buildParser():
''' Builds the parser for reading the command line arguments'''
parser = argparse.ArgumentParser(
description='Script to parse bagfile to csv file')
parser.add_argument('bag', help='Bag file to read',
type=str)
parser.add_argument('-i', '--include',
... | Builds the parser for reading the command line arguments | entailment |
def jsonify_payload(self):
""" Dump the payload to JSON """
# Assume already json serialized
if isinstance(self.payload, string_types):
return self.payload
return json.dumps(self.payload, cls=StandardJSONEncoder) | Dump the payload to JSON | entailment |
def _send(self):
""" Send the webhook method """
payload = self.payload
sending_metadata = {'success': False}
post_attributes = {'timeout': self.timeout}
if self.custom_headers:
post_attributes['headers'] = self.custom_headers
if not post_attributes.get('hea... | Send the webhook method | entailment |
def verifySignature(self, signatureKey):
"""
:type signatureKey: ECPublicKey
"""
try:
parts = ByteUtil.split(self.serialized,
len(self.serialized) - self.__class__.SIGNATURE_LENGTH,
self.__class__.SIGNATURE... | :type signatureKey: ECPublicKey | entailment |
def getSignature(self, signatureKey, serialized):
"""
:type signatureKey: ECPrivateKey
:type serialized: bytearray
"""
try:
return Curve.calculateSignature(signatureKey, serialized)
except InvalidKeyException as e:
raise AssertionError(e) | :type signatureKey: ECPrivateKey
:type serialized: bytearray | entailment |
def process(self, sessionRecord, message):
"""
:param sessionRecord:
:param message:
:type message: PreKeyWhisperMessage
"""
messageVersion = message.getMessageVersion()
theirIdentityKey = message.getIdentityKey()
unsignedPreKeyId = None
if not ... | :param sessionRecord:
:param message:
:type message: PreKeyWhisperMessage | entailment |
def processV2(self, sessionRecord, message):
"""
:type sessionRecord: SessionRecord
:type message: PreKeyWhisperMessage
"""
if message.getPreKeyId() is None:
raise InvalidKeyIdException("V2 message requires one time prekey id!")
if not self.preKeyStore.conta... | :type sessionRecord: SessionRecord
:type message: PreKeyWhisperMessage | entailment |
def processV3(self, sessionRecord, message):
"""
:param sessionRecord:
:param message:
:type message: PreKeyWhisperMessage
:return:
"""
if sessionRecord.hasSessionState(message.getMessageVersion(), message.getBaseKey().serialize()):
logger.warn("We've... | :param sessionRecord:
:param message:
:type message: PreKeyWhisperMessage
:return: | entailment |
def processPreKeyBundle(self, preKey):
"""
:type preKey: PreKeyBundle
"""
if not self.identityKeyStore.isTrustedIdentity(self.recipientId, preKey.getIdentityKey()):
raise UntrustedIdentityException(self.recipientId, preKey.getIdentityKey())
if preKey.getSignedPreKey(... | :type preKey: PreKeyBundle | entailment |
def process(self, senderKeyName, senderKeyDistributionMessage):
"""
:type senderKeyName: SenderKeyName
:type senderKeyDistributionMessage: SenderKeyDistributionMessage
"""
senderKeyRecord = self.senderKeyStore.loadSenderKey(senderKeyName)
senderKeyRecord.addSenderKeyState... | :type senderKeyName: SenderKeyName
:type senderKeyDistributionMessage: SenderKeyDistributionMessage | entailment |
def create(self, senderKeyName):
"""
:type senderKeyName: SenderKeyName
"""
try:
senderKeyRecord = self.senderKeyStore.loadSenderKey(senderKeyName);
if senderKeyRecord.isEmpty() :
senderKeyRecord.setSenderKeyState(KeyHelper.generateSenderKeyId(),
... | :type senderKeyName: SenderKeyName | entailment |
def initializeSession(sessionState, sessionVersion, parameters):
"""
:type sessionState: SessionState
:type sessionVersion: int
:type parameters: SymmetricAxolotlParameters
"""
if RatchetingSession.isAlice(parameters.getOurBaseKey().getPublicKey(), parameters.getTheirBase... | :type sessionState: SessionState
:type sessionVersion: int
:type parameters: SymmetricAxolotlParameters | entailment |
def initializeSessionAsAlice(sessionState, sessionVersion, parameters):
"""
:type sessionState: SessionState
:type sessionVersion: int
:type parameters: AliceAxolotlParameters
"""
sessionState.setSessionVersion(sessionVersion)
sessionState.setRemoteIdentityKey(par... | :type sessionState: SessionState
:type sessionVersion: int
:type parameters: AliceAxolotlParameters | entailment |
def initializeSessionAsBob(sessionState, sessionVersion, parameters):
"""
:type sessionState: SessionState
:type sessionVersion: int
:type parameters: BobAxolotlParameters
"""
sessionState.setSessionVersion(sessionVersion)
sessionState.setRemoteIdentityKey(paramet... | :type sessionState: SessionState
:type sessionVersion: int
:type parameters: BobAxolotlParameters | entailment |
def addSenderKeyState(self, id, iteration, chainKey, signatureKey):
"""
:type id: int
:type iteration: int
:type chainKey: bytearray
:type signatureKey: ECPublicKey
"""
self.senderKeyStates.append(SenderKeyState(id, iteration, chainKey, signatureKey)) | :type id: int
:type iteration: int
:type chainKey: bytearray
:type signatureKey: ECPublicKey | entailment |
def setSenderKeyState(self, id, iteration, chainKey, signatureKey):
"""
:type id: int
:type iteration: int
:type chainKey: bytearray
:type signatureKey: ECKeyPair
"""
del self.senderKeyStates[:]
self.senderKeyStates.append(SenderKeyState(id, iteration, cha... | :type id: int
:type iteration: int
:type chainKey: bytearray
:type signatureKey: ECKeyPair | entailment |
def encrypt(self, paddedMessage):
"""
:type paddedMessage: str
"""
# TODO: make this less ugly and python 2 and 3 compatible
# paddedMessage = bytearray(paddedMessage.encode() if (sys.version_info >= (3, 0) and not type(paddedMessage) in (bytes, bytearray)) or type(paddedMessage)... | :type paddedMessage: str | entailment |
def decryptMsg(self, ciphertext, textMsg=True):
"""
:type ciphertext: WhisperMessage
:type textMsg: Bool set this to False if you are decrypting bytes
instead of string
"""
if not self.sessionStore.containsSession(self.recipientId, self.deviceId):
... | :type ciphertext: WhisperMessage
:type textMsg: Bool set this to False if you are decrypting bytes
instead of string | entailment |
def decryptPkmsg(self, ciphertext, textMsg=True):
"""
:type ciphertext: PreKeyWhisperMessage
"""
sessionRecord = self.sessionStore.loadSession(self.recipientId, self.deviceId)
unsignedPreKeyId = self.sessionBuilder.process(sessionRecord, ciphertext)
plaintext = self.decry... | :type ciphertext: PreKeyWhisperMessage | entailment |
def decryptWithSessionRecord(self, sessionRecord, cipherText):
"""
:type sessionRecord: SessionRecord
:type cipherText: WhisperMessage
"""
previousStates = sessionRecord.getPreviousSessionStates()
exceptions = []
try:
sessionState = SessionState(sessi... | :type sessionRecord: SessionRecord
:type cipherText: WhisperMessage | entailment |
def getCiphertext(self, version, messageKeys, plainText):
"""
:type version: int
:type messageKeys: MessageKeys
:type plainText: bytearray
"""
cipher = None
if version >= 3:
cipher = self.getCipher(messageKeys.getCipherKey(), messageKeys.getIv())
... | :type version: int
:type messageKeys: MessageKeys
:type plainText: bytearray | entailment |
def calculateAgreement(publicKey, privateKey):
"""
:type publicKey: ECPublicKey
:type privateKey: ECPrivateKey
"""
if publicKey.getType() != privateKey.getType():
raise InvalidKeyException("Public and private keys must be of the same type!")
if publicKey.getT... | :type publicKey: ECPublicKey
:type privateKey: ECPrivateKey | entailment |
def verifySignature(ecPublicSigningKey, message, signature):
"""
:type ecPublicSigningKey: ECPublicKey
:type message: bytearray
:type signature: bytearray
"""
if ecPublicSigningKey.getType() == Curve.DJB_TYPE:
result = _curve.verifySignature(ecPublicSigningKe... | :type ecPublicSigningKey: ECPublicKey
:type message: bytearray
:type signature: bytearray | entailment |
def calculateSignature(privateSigningKey, message):
"""
:type privateSigningKey: ECPrivateKey
:type message: bytearray
"""
if privateSigningKey.getType() == Curve.DJB_TYPE:
rand = os.urandom(64)
res = _curve.calculateSignature(rand, privateSigningKey.getP... | :type privateSigningKey: ECPrivateKey
:type message: bytearray | entailment |
def encrypt(self, paddedPlaintext):
"""
:type paddedPlaintext: str
"""
# TODO: make this less ugly and python 2 and 3 compatible
# paddedMessage = bytearray(paddedMessage.encode() if (sys.version_info >= (3, 0) and not type(paddedMessage) in (bytes, bytearray)) or type(paddedMess... | :type paddedPlaintext: str | entailment |
def decrypt(self, senderKeyMessageBytes):
"""
:type senderKeyMessageBytes: bytearray
"""
try:
record = self.senderKeyStore.loadSenderKey(self.senderKeyName)
if record.isEmpty():
raise NoSessionException("No sender key for: %s" % self.senderKeyName)... | :type senderKeyMessageBytes: bytearray | entailment |
def getPlainText(self, iv, key, ciphertext):
"""
:type iv: bytearray
:type key: bytearray
:type ciphertext: bytearray
"""
try:
cipher = AESCipher(key, iv)
plaintext = cipher.decrypt(ciphertext)
if sys.version_info >= (3, 0):
... | :type iv: bytearray
:type key: bytearray
:type ciphertext: bytearray | entailment |
def getCipherText(self, iv, key, plaintext):
"""
:type iv: bytearray
:type key: bytearray
:type plaintext: bytearray
"""
cipher = AESCipher(key, iv)
return cipher.encrypt(bytes(plaintext)) | :type iv: bytearray
:type key: bytearray
:type plaintext: bytearray | entailment |
def setPendingKeyExchange(self, sequence, ourBaseKey, ourRatchetKey, ourIdentityKey):
"""
:type sequence: int
:type ourBaseKey: ECKeyPair
:type ourRatchetKey: ECKeyPair
:type ourIdentityKey: IdentityKeyPair
"""
structure = self.sessionStructure.PendingKeyExchange... | :type sequence: int
:type ourBaseKey: ECKeyPair
:type ourRatchetKey: ECKeyPair
:type ourIdentityKey: IdentityKeyPair | entailment |
def setUnacknowledgedPreKeyMessage(self, preKeyId, signedPreKeyId, baseKey):
"""
:type preKeyId: int
:type signedPreKeyId: int
:type baseKey: ECPublicKey
"""
self.sessionStructure.pendingPreKey.signedPreKeyId = signedPreKeyId
self.sessionStructure.pendingPreKey.ba... | :type preKeyId: int
:type signedPreKeyId: int
:type baseKey: ECPublicKey | entailment |
def generateIdentityKeyPair():
"""
Generate an identity key pair. Clients should only do this once,
at install time.
@return the generated IdentityKeyPair.
"""
keyPair = Curve.generateKeyPair()
publicKey = IdentityKey(keyPair.getPublicKey())
serialized = ... | Generate an identity key pair. Clients should only do this once,
at install time.
@return the generated IdentityKeyPair. | entailment |
def generatePreKeys(start, count):
"""
Generate a list of PreKeys. Clients should do this at install time, and
subsequently any time the list of PreKeys stored on the server runs low.
PreKey IDs are shorts, so they will eventually be repeated. Clients should
store PreKeys in a... | Generate a list of PreKeys. Clients should do this at install time, and
subsequently any time the list of PreKeys stored on the server runs low.
PreKey IDs are shorts, so they will eventually be repeated. Clients should
store PreKeys in a circular buffer, so that they are repeated as infreque... | entailment |
def choices(cls, blank=False):
""" Choices for Enum
:return: List of tuples (<value>, <human-readable value>)
:rtype: list
"""
choices = sorted([(key, value) for key, value in cls.values.items()], key=lambda x: x[0])
if blank:
choices.insert(0, ('', Enum.Value... | Choices for Enum
:return: List of tuples (<value>, <human-readable value>)
:rtype: list | entailment |
def get(cls, name_or_numeric):
""" Get Enum.Value object matching the value argument.
:param name_or_numeric: Integer value or attribute name
:type name_or_numeric: int or str
:rtype: Enum.Value
"""
if isinstance(name_or_numeric, six.string_types):
name_or_num... | Get Enum.Value object matching the value argument.
:param name_or_numeric: Integer value or attribute name
:type name_or_numeric: int or str
:rtype: Enum.Value | entailment |
def items(cls):
"""
:return: List of tuples consisting of every enum value in the form [('NAME', value), ...]
:rtype: list
"""
items = [(value.name, key) for key, value in cls.values.items()]
return sorted(items, key=lambda x: x[1]) | :return: List of tuples consisting of every enum value in the form [('NAME', value), ...]
:rtype: list | entailment |
def is_valid_transition(cls, from_value, to_value):
""" Will check if to_value is a valid transition from from_value. Returns true if it is a valid transition.
:param from_value: Start transition point
:param to_value: End transition point
:type from_value: int
:type to_value: in... | Will check if to_value is a valid transition from from_value. Returns true if it is a valid transition.
:param from_value: Start transition point
:param to_value: End transition point
:type from_value: int
:type to_value: int
:return: Success flag
:rtype: bool | entailment |
def _setup_validation(self, sender, **kwargs):
"""
User a customer setter for the field to validate new value against the old one.
The current value is set as '_enum_[att_name]' on the model instance.
"""
att_name = self.get_attname()
private_att_name = '_enum_%s' % att_n... | User a customer setter for the field to validate new value against the old one.
The current value is set as '_enum_[att_name]' on the model instance. | entailment |
def validate_valid_transition(enum, from_value, to_value):
"""
Validate that to_value is a valid choice and that to_value is a valid transition from from_value.
"""
validate_available_choice(enum, to_value)
if hasattr(enum, '_transitions') and not enum.is_valid_transition(from_value, to_value):
... | Validate that to_value is a valid choice and that to_value is a valid transition from from_value. | entailment |
def validate_available_choice(enum, to_value):
"""
Validate that to_value is defined as a value in enum.
"""
if to_value is None:
return
if type(to_value) is not int:
try:
to_value = int(to_value)
except ValueError:
message_str = "'{value}' cannot be ... | Validate that to_value is defined as a value in enum. | entailment |
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