INSTRUCTION stringlengths 1 8.43k | RESPONSE stringlengths 75 104k |
|---|---|
Reads the JSON inventory from the cache file. Returns Python dictionary. | def get_all_data_from_cache(self, filename=''):
''' Reads the JSON inventory from the cache file. Returns Python dictionary. '''
data = ''
if not filename:
filename = self.cache_path_cache
with open(filename, 'r') as cache:
data = cache.read()
return json... |
Writes data to file as JSON. Returns True. | def write_to_cache(self, data, filename=''):
''' Writes data to file as JSON. Returns True. '''
if not filename:
filename = self.cache_path_cache
json_data = json.dumps(data)
with open(filename, 'w') as cache:
cache.write(json_data)
return True |
Reads the settings from the gce. ini file. | def get_config(self):
"""
Reads the settings from the gce.ini file.
Populates a SafeConfigParser object with defaults and
attempts to read an .ini-style configuration from the filename
specified in GCE_INI_PATH. If the environment variable is
not present, the filename de... |
Determine inventory options. Environment variables always take precedence over configuration files. | def get_inventory_options(self):
"""Determine inventory options. Environment variables always
take precedence over configuration files."""
ip_type = self.config.get('inventory', 'inventory_ip_type')
# If the appropriate environment variables are set, they override
# other configu... |
Determine the GCE authorization settings and return a libcloud driver. | def get_gce_driver(self):
"""Determine the GCE authorization settings and return a
libcloud driver.
"""
# Attempt to get GCE params from a configuration file, if one
# exists.
secrets_path = self.config.get('gce', 'libcloud_secrets')
secrets_found = False
... |
returns a list of comma separated zones parsed from the GCE_ZONE environment variable. If provided this will be used to filter the results of the grouped_instances call | def parse_env_zones(self):
'''returns a list of comma separated zones parsed from the GCE_ZONE environment variable.
If provided, this will be used to filter the results of the grouped_instances call'''
import csv
reader = csv.reader([os.environ.get('GCE_ZONE',"")], skipinitialspace=True... |
Command line argument processing | def parse_cli_args(self):
''' Command line argument processing '''
parser = argparse.ArgumentParser(
description='Produce an Ansible Inventory file based on GCE')
parser.add_argument('--list', action='store_true', default=True,
help='List instances (de... |
Loads inventory from JSON on disk. | def load_inventory_from_cache(self):
''' Loads inventory from JSON on disk. '''
try:
self.inventory = self.cache.get_all_data_from_cache()
hosts = self.inventory['_meta']['hostvars']
except Exception as e:
print(
"Invalid inventory file %s. P... |
Do API calls and save data in cache. | def do_api_calls_update_cache(self):
''' Do API calls and save data in cache. '''
zones = self.parse_env_zones()
data = self.group_instances(zones)
self.cache.write_to_cache(data)
self.inventory = data |
Group all instances | def group_instances(self, zones=None):
'''Group all instances'''
groups = {}
meta = {}
meta["hostvars"] = {}
for node in self.list_nodes():
# This check filters on the desired instance states defined in the
# config file with the instance_states config o... |
Converts a dict to a JSON object and dumps it as a formatted string | def json_format_dict(self, data, pretty=False):
''' Converts a dict to a JSON object and dumps it as a formatted
string '''
if pretty:
return json.dumps(data, sort_keys=True, indent=2)
else:
return json.dumps(data) |
Stream stdout and stderr from the task container to this process s stdout and stderr respectively. | def _stream_docker_logs(self):
"""Stream stdout and stderr from the task container to this
process's stdout and stderr, respectively.
"""
thread = threading.Thread(target=self._stderr_stream_worker)
thread.start()
for line in self.docker_client.logs(self.container, stdout... |
Because we allow template ID string values where serializers normally expect a dict | def to_internal_value(self, data):
"""Because we allow template ID string values, where
serializers normally expect a dict
"""
converted_data = _convert_template_id_to_dict(data)
return super(TemplateSerializer, self)\
.to_internal_value(converted_data) |
Compare two identifier ( for pre - release/ build components ). | def identifier_cmp(a, b):
"""Compare two identifier (for pre-release/build components)."""
a_cmp, a_is_int = _to_int(a)
b_cmp, b_is_int = _to_int(b)
if a_is_int and b_is_int:
# Numeric identifiers are compared as integers
return base_cmp(a_cmp, b_cmp)
elif a_is_int:
# Numer... |
Compare two identifier list ( pre - release/ build components ). | def identifier_list_cmp(a, b):
"""Compare two identifier list (pre-release/build components).
The rule is:
- Identifiers are paired between lists
- They are compared from left to right
- If all first identifiers match, the longest list is greater.
>>> identifier_list_cmp(['1', '2']... |
Coerce an arbitrary version string into a semver - compatible one. | def coerce(cls, version_string, partial=False):
"""Coerce an arbitrary version string into a semver-compatible one.
The rule is:
- If not enough components, fill minor/patch with zeroes; unless
partial=True
- If more than 3 dot-separated components, extra components are "build... |
Parse a version string into a Version () object. | def parse(cls, version_string, partial=False, coerce=False):
"""Parse a version string into a Version() object.
Args:
version_string (str), the version string to parse
partial (bool), whether to accept incomplete input
coerce (bool), whether to try to map the passed ... |
Retrieve comparison methods to apply on version components. | def _comparison_functions(cls, partial=False):
"""Retrieve comparison methods to apply on version components.
This is a private API.
Args:
partial (bool): whether to provide 'partial' or 'strict' matching.
Returns:
5-tuple of cmp-like functions.
"""
... |
Helper for comparison. | def __compare_helper(self, other, condition, notimpl_target):
"""Helper for comparison.
Allows the caller to provide:
- The condition
- The return value if the comparison is meaningless (ie versions with
build metadata).
"""
if not isinstance(other, self.__cl... |
Check whether a Version satisfies the Spec. | def match(self, version):
"""Check whether a Version satisfies the Spec."""
return all(spec.match(version) for spec in self.specs) |
Select the best compatible version among an iterable of options. | def select(self, versions):
"""Select the best compatible version among an iterable of options."""
options = list(self.filter(versions))
if options:
return max(options)
return None |
Handle django. db. migrations. | def deconstruct(self):
"""Handle django.db.migrations."""
name, path, args, kwargs = super(VersionField, self).deconstruct()
kwargs['partial'] = self.partial
kwargs['coerce'] = self.coerce
return name, path, args, kwargs |
Converts any value to a base. Version field. | def to_python(self, value):
"""Converts any value to a base.Version field."""
if value is None or value == '':
return value
if isinstance(value, base.Version):
return value
if self.coerce:
return base.Version.coerce(value, partial=self.partial)
... |
Converts any value to a base. Spec field. | def to_python(self, value):
"""Converts any value to a base.Spec field."""
if value is None or value == '':
return value
if isinstance(value, base.Spec):
return value
return base.Spec(value) |
Make the drone move left. | def move_left(self):
"""Make the drone move left."""
self.at(ardrone.at.pcmd, True, -self.speed, 0, 0, 0) |
Make the drone move right. | def move_right(self):
"""Make the drone move right."""
self.at(ardrone.at.pcmd, True, self.speed, 0, 0, 0) |
Make the drone rise upwards. | def move_up(self):
"""Make the drone rise upwards."""
self.at(ardrone.at.pcmd, True, 0, 0, self.speed, 0) |
Make the drone decent downwards. | def move_down(self):
"""Make the drone decent downwards."""
self.at(ardrone.at.pcmd, True, 0, 0, -self.speed, 0) |
Make the drone move forward. | def move_forward(self):
"""Make the drone move forward."""
self.at(ardrone.at.pcmd, True, 0, -self.speed, 0, 0) |
Make the drone move backwards. | def move_backward(self):
"""Make the drone move backwards."""
self.at(ardrone.at.pcmd, True, 0, self.speed, 0, 0) |
Make the drone rotate left. | def turn_left(self):
"""Make the drone rotate left."""
self.at(ardrone.at.pcmd, True, 0, 0, 0, -self.speed) |
Make the drone rotate right. | def turn_right(self):
"""Make the drone rotate right."""
self.at(ardrone.at.pcmd, True, 0, 0, 0, self.speed) |
Toggle the drone s emergency state. | def reset(self):
"""Toggle the drone's emergency state."""
self.at(ardrone.at.ref, False, True)
time.sleep(0.1)
self.at(ardrone.at.ref, False, False) |
Wrapper for the low level at commands. | def at(self, cmd, *args, **kwargs):
"""Wrapper for the low level at commands.
This method takes care that the sequence number is increased after each
at command and the watchdog timer is started to make sure the drone
receives a command at least every second.
"""
with se... |
Shutdown the drone. | def halt(self):
"""Shutdown the drone.
This method does not land or halt the actual drone, but the
communication with the drone. You should call it at the end of your
application to close all sockets, pipes, processes and threads related
with this object.
"""
wit... |
Makes the drone move ( translate/ rotate ). | def move(self, lr, fb, vv, va):
"""Makes the drone move (translate/rotate).
Parameters:
lr -- left-right tilt: float [-1..1] negative: left, positive: right
fb -- front-back tilt: float [-1..1] negative: forwards, positive:
backwards
vv -- vertical speed: float [-1..... |
Basic behaviour of the drone: take - off/ landing emergency stop/ reset ) | def ref(host, seq, takeoff, emergency=False):
"""
Basic behaviour of the drone: take-off/landing, emergency stop/reset)
Parameters:
seq -- sequence number
takeoff -- True: Takeoff / False: Land
emergency -- True: Turn off the engines
"""
p = 0b10001010101000000000000000000
if takeof... |
Makes the drone move ( translate/ rotate ). | def pcmd(host, seq, progressive, lr, fb, vv, va):
"""
Makes the drone move (translate/rotate).
Parameters:
seq -- sequence number
progressive -- True: enable progressive commands, False: disable (i.e.
enable hovering mode)
lr -- left-right tilt: float [-1..1] negative: left, positive: r... |
Set configuration parameters of the drone. | def config(host, seq, option, value):
"""Set configuration parameters of the drone."""
at(host, 'CONFIG', seq, [str(option), str(value)]) |
Sends control values directly to the engines overriding control loops. | def pwm(host, seq, m1, m2, m3, m4):
"""
Sends control values directly to the engines, overriding control loops.
Parameters:
seq -- sequence number
m1 -- Integer: front left command
m2 -- Integer: front right command
m3 -- Integer: back right command
m4 -- Integer: back left command
... |
Control the drones LED. | def led(host, seq, anim, f, d):
"""
Control the drones LED.
Parameters:
seq -- sequence number
anim -- Integer: animation to play
f -- Float: frequency in HZ of the animation
d -- Integer: total duration in seconds of the animation
"""
at(host, 'LED', seq, [anim, float(f), d]) |
Makes the drone execute a predefined movement ( animation ). | def anim(host, seq, anim, d):
"""
Makes the drone execute a predefined movement (animation).
Parameters:
seq -- sequcence number
anim -- Integer: animation to play
d -- Integer: total duration in seconds of the animation
"""
at(host, 'ANIM', seq, [anim, d]) |
Parameters: command -- the command seq -- the sequence number params -- a list of elements which can be either int float or string | def at(host, command, seq, params):
"""
Parameters:
command -- the command
seq -- the sequence number
params -- a list of elements which can be either int, float or string
"""
params_str = []
for p in params:
if type(p) == int:
params_str.append('{:d}'.format(p))
... |
Decode a navdata packet. | def decode(packet):
"""Decode a navdata packet."""
offset = 0
_ = struct.unpack_from('IIII', packet, offset)
s = _[1]
state = dict()
state['fly'] = s & 1 # FLY MASK : (0) ardrone is landed, (1) ardrone is flying
state['video'] = s >> 1 & 1 # VIDEO MASK :... |
Save VTK data to file. | def tofile(self, filename, format = 'ascii'):
"""Save VTK data to file.
"""
if not common.is_string(filename):
raise TypeError('argument filename must be string but got %s'%(type(filename)))
if format not in ['ascii','binary']:
raise TypeError('argument format mus... |
Simple helper to get the value of an instance s attribute if it exists. | def _get_attr_value(instance, attr, default=None):
"""
Simple helper to get the value of an instance's attribute if it exists.
If the instance attribute is callable it will be called and the result will
be returned.
Optionally accepts a default value to return if the attribute is missing.
Defa... |
Audits the provided customer s subscription against stripe and returns a pair that contains a boolean and a result type. | def audit_customer_subscription(customer, unknown=True):
"""
Audits the provided customer's subscription against stripe and returns a pair
that contains a boolean and a result type.
Default result types can be found in zebra.conf.defaults and can be
overridden in your project's settings.
"""
... |
Use VtkData ( <filename > ). | def polydata_fromfile(f, self):
"""Use VtkData(<filename>)."""
points = []
data = dict(vertices=[], lines=[], polygons=[], triangle_strips=[])
l = common._getline(f).decode('ascii')
k,n,datatype = [s.strip().lower() for s in l.split(' ')]
if k!='points':
raise ValueError('expected points... |
Handles all known webhooks from stripe and calls signals. Plug in as you need. | def webhooks(request):
"""
Handles all known webhooks from stripe, and calls signals.
Plug in as you need.
"""
if request.method != "POST":
return HttpResponse("Invalid Request.", status=400)
json = simplejson.loads(request.POST["json"])
if json["event"] == "recurring_payment_fail... |
Handles all known webhooks from stripe and calls signals. Plug in as you need. | def webhooks_v2(request):
"""
Handles all known webhooks from stripe, and calls signals.
Plug in as you need.
"""
if request.method != "POST":
return HttpResponse("Invalid Request.", status=400)
try:
event_json = simplejson.loads(request.body)
except AttributeError:
... |
Check if obj is number. | def is_number(obj):
"""Check if obj is number."""
return isinstance(obj, (int, float, np.int_, np.float_)) |
Return sequence. | def get_seq(self,obj,default=None):
"""Return sequence."""
if is_sequence(obj):
return obj
if is_number(obj): return [obj]
if obj is None and default is not None:
log.warning('using default value (%s)'%(default))
return self.get_seq(default)
ra... |
Return sequence of sequences. | def get_seq_seq(self,obj,default=None):
"""Return sequence of sequences."""
if is_sequence2(obj):
return [self.get_seq(o,default) for o in obj]
else:
return [self.get_seq(obj,default)] |
Return 3 - tuple from number - > ( obj default [ 1 ] default [ 2 ] ) 0 - sequence|None - > default 1 - sequence - > ( obj [ 0 ] default [ 1 ] default [ 2 ] ) 2 - sequence - > ( obj [ 0 ] obj [ 1 ] default [ 2 ] ) ( 3 or more ) - sequence - > ( obj [ 0 ] obj [ 1 ] obj [ 2 ] ) | def get_3_tuple(self,obj,default=None):
"""Return 3-tuple from
number -> (obj,default[1],default[2])
0-sequence|None -> default
1-sequence -> (obj[0],default[1],default[2])
2-sequence -> (obj[0],obj[1],default[2])
(3 or more)-sequence -> (obj[0],obj[1],obj[2])
"""... |
Return list of 3 - tuples from sequence of a sequence sequence - it is mapped to sequence of 3 - sequences if possible number | def get_3_tuple_list(self,obj,default=None):
"""Return list of 3-tuples from
sequence of a sequence,
sequence - it is mapped to sequence of 3-sequences if possible
number
"""
if is_sequence2(obj):
return [self.get_3_tuple(o,default) for o in obj]
elif ... |
Return tuple of 3 - tuples | def get_3_3_tuple(self,obj,default=None):
"""Return tuple of 3-tuples
"""
if is_sequence2(obj):
ret = []
for i in range(3):
if i<len(obj):
ret.append(self.get_3_tuple(obj[i],default))
else:
ret.append... |
Return list of 3x3 - tuples. | def get_3_3_tuple_list(self,obj,default=None):
"""Return list of 3x3-tuples.
"""
if is_sequence3(obj):
return [self.get_3_3_tuple(o,default) for o in obj]
return [self.get_3_3_tuple(obj,default)] |
Iterate through the application configuration and instantiate the services. | def connect(self):
"""Iterate through the application configuration and instantiate
the services.
"""
requested_services = set(
svc.lower() for svc in current_app.config.get('BOTO3_SERVICES', [])
)
region = current_app.config.get('BOTO3_REGION')
sess_... |
Get all clients ( with and without associated resources ) | def clients(self):
"""
Get all clients (with and without associated resources)
"""
clients = {}
for k, v in self.connections.items():
if hasattr(v.meta, 'client'): # has boto3 resource
clients[k] = v.meta.client
else: ... |
Configure the GSSAPI service name and validate the presence of the appropriate principal in the kerberos keytab. | def init_kerberos(app, service='HTTP', hostname=gethostname()):
'''
Configure the GSSAPI service name, and validate the presence of the
appropriate principal in the kerberos keytab.
:param app: a flask application
:type app: flask.Flask
:param service: GSSAPI service name
:type service: str... |
date to unix timestamp in milliseconds | def date_to_timestamp(date):
"""
date to unix timestamp in milliseconds
"""
date_tuple = date.timetuple()
timestamp = calendar.timegm(date_tuple) * 1000
return timestamp |
This function will return a random datetime between two datetime objects.: param start:: param end: | def random_date(dt_from, dt_to):
"""
This function will return a random datetime between two datetime objects.
:param start:
:param end:
"""
delta = dt_to - dt_from
int_delta = (delta.days * 24 * 60 * 60) + delta.seconds
random_second = randrange(int_delta)
return dt_from + datetime.... |
transform object to json | def object_to_json(obj, indent=2):
"""
transform object to json
"""
instance_json = json.dumps(obj, indent=indent, ensure_ascii=False, cls=DjangoJSONEncoder)
return instance_json |
transform QuerySet to json | def qs_to_json(qs, fields=None):
"""
transform QuerySet to json
"""
if not fields :
fields = [f.name for f in qs.model._meta.fields]
# сформируем список для сериализации
objects = []
for value_dict in qs.values(*fields):
# сохраним порядок полей, как определено в моделе
... |
transform mongoengine. QuerySet to json | def mongoqs_to_json(qs, fields=None):
"""
transform mongoengine.QuerySet to json
"""
l = list(qs.as_pymongo())
for element in l:
element.pop('_cls')
# use DjangoJSONEncoder for transform date data type to datetime
json_qs = json.dumps(l, indent=2, ensure_ascii=False, cls=DjangoJSO... |
join base_url and some GET - parameters to one ; it could be absolute url optionally | def url_path(request, base_url=None, is_full=False, *args, **kwargs):
"""
join base_url and some GET-parameters to one; it could be absolute url optionally
usage example:
c['current_url'] = url_path(request, use_urllib=True, is_full=False)
...
<a href="{{ current_url }}">Лабораторн... |
create string with GET - params of request | def url_params(request, except_params=None, as_is=False):
"""
create string with GET-params of request
usage example:
c['sort_url'] = url_params(request, except_params=('sort',))
...
<a href="{{ sort_url }}&sort=lab_number">Лабораторный номер</a>
"""
if not request.GET:
... |
Prepare sort params. Add revers - if need. Params: params - list of sort parameters request sort_key revers_sort - list or set with keys that need reverse default sort direction except_params - GET - params that will be ignored Example: view: c [ sort_params ] = prepare_sort_params ( ( order__lab_number order__client__... | def prepare_sort_params(params, request, sort_key='sort', revers_sort=None, except_params=None):
"""
Prepare sort params. Add revers '-' if need.
Params:
params - list of sort parameters
request
sort_key
revers_sort - list or set with keys that need re... |
process sort - parameter value ( for example - name ) return: current_param - field for sorting ( name ) current_reversed - revers flag ( True ) | def sort_key_process(request, sort_key='sort'):
"""
process sort-parameter value (for example, "-name")
return:
current_param - field for sorting ("name)
current_reversed - revers flag (True)
"""
current = request.GET.get(sort_key)
current_reversed = False
cur... |
transform form errors to list like [ field1: error1 field2: error2 ] | def transform_form_error(form, verbose=True):
"""
transform form errors to list like
["field1: error1", "field2: error2"]
"""
errors = []
for field, err_msg in form.errors.items():
if field == '__all__': # general errors
errors.append(', '.join(err_msg))
else... |
to_datetime - приводить ли date к datetime default_dt_to - устанавливать заведомо будущее дефолтное значение для dt_to | def process_date_from_to_options(options, to_datetime=False, default_dt_to=False):
"""
to_datetime - приводить ли date к datetime
default_dt_to - устанавливать заведомо будущее дефолтное значение для dt_to
"""
start_time = datetime.datetime.now()
if options.get('last_week'):
dt_... |
Collect data into chunks of up to length n.: type iterable: Iterable [ T ]: type n: int: rtype: Iterator [ list [ T ]] | def _chunked(iterable, n):
"""
Collect data into chunks of up to length n.
:type iterable: Iterable[T]
:type n: int
:rtype: Iterator[list[T]]
"""
it = iter(iterable)
while True:
chunk = list(islice(it, n))
if chunk:
yield chunk
else:
return |
Look up gender for a list of names. Can optionally refine search with locale info. May make multiple requests if there are more names than can be retrieved in one call. | def get(self, names, country_id=None, language_id=None, retheader=False):
"""
Look up gender for a list of names.
Can optionally refine search with locale info.
May make multiple requests if there are more names than
can be retrieved in one call.
:param names: List of na... |
Look up gender for a single name. See: py: meth: get. Doesn t support retheader option. | def get1(self, name, **kwargs):
"""
Look up gender for a single name.
See :py:meth:`get`.
Doesn't support retheader option.
"""
if 'retheader' in kwargs:
raise GenderizeException(
"get1() doesn't support the retheader option.")
return s... |
Hacky convinience function to dump a couple of python variables in a. mat file. See awmstools. saveVars. | def saveVarsInMat(filename, varNamesStr, outOf=None, **opts):
"""Hacky convinience function to dump a couple of python variables in a
.mat file. See `awmstools.saveVars`.
"""
from mlabwrap import mlab
filename, varnames, outOf = __saveVarsHelper(
filename, varNamesStr, outOf, '.mat', **op... |
Creates a proxy for a variable. | def _make_proxy(self, varname, parent=None, constructor=MlabObjectProxy):
"""Creates a proxy for a variable.
XXX create and cache nested proxies also here.
"""
# FIXME why not just use gensym here?
proxy_val_name = "PROXY_VAL%d__" % self._proxy_count
self._proxy_count +=... |
Semi - raw execution of a matlab command. | def _do(self, cmd, *args, **kwargs):
"""Semi-raw execution of a matlab command.
Smartly handle calls to matlab, figure out what to do with `args`,
and when to use function call syntax and not.
If no `args` are specified, the ``cmd`` not ``result = cmd()`` form is
used in Matlab... |
r Directly access a variable in matlab space. | def _get(self, name, remove=False):
r"""Directly access a variable in matlab space.
This should normally not be used by user code."""
# FIXME should this really be needed in normal operation?
if name in self._proxies: return self._proxies[name]
varname = name
vartype = s... |
r Directly set a variable name in matlab space to value. | def _set(self, name, value):
r"""Directly set a variable `name` in matlab space to `value`.
This should normally not be used in user code."""
if isinstance(value, MlabObjectProxy):
mlabraw.eval(self._session, "%s = %s;" % (name, value._name))
else:
## mlabraw.put... |
Dispatches the matlab COM client. | def open(self, visible=False):
""" Dispatches the matlab COM client.
Note: If this method fails, try running matlab with the -regserver flag.
"""
if self.client:
raise MatlabConnectionError('Matlab(TM) COM client is still active. Use close to '
'close it')
self.client = ... |
Evaluates a matlab expression synchronously. | def eval(self, expression, identify_erros=True):
""" Evaluates a matlab expression synchronously.
If identify_erros is true, and the last output line after evaluating the
expressions begins with '???' an excpetion is thrown with the matlab error
following the '???'.
The return value of the function... |
Loads the requested variables from the matlab com client. | def get(self, names_to_get, convert_to_numpy=True):
""" Loads the requested variables from the matlab com client.
names_to_get can be either a variable name or a list of variable names.
If it is a variable name, the values is returned.
If it is a list, a dictionary of variable_name -> value is returned... |
Loads a dictionary of variable names into the matlab com client. | def put(self, name_to_val):
""" Loads a dictionary of variable names into the matlab com client.
"""
self._check_open()
for name, val in name_to_val.iteritems():
# First try to put data as a matrix:
try:
self.client.PutFullMatrix(name, 'base', val, None)
except:
self.cl... |
Opens MATLAB using specified connection ( or DCOM + protocol on Windows ) where matlab_location | def open():
global _MATLAB_RELEASE
'''Opens MATLAB using specified connection (or DCOM+ protocol on Windows)where matlab_location '''
if is_win:
ret = MatlabConnection()
ret.open()
return ret
else:
if settings.MATLAB_PATH != 'guess':
matlab_path = settings.MA... |
Tries to guess matlab process release version and location path on osx machines. | def _list_releases():
'''
Tries to guess matlab process release version and location path on
osx machines.
The paths we will search are in the format:
/Applications/MATLAB_R[YEAR][VERSION].app/bin/matlab
We will try the latest version first. If no path is found, None is reutrned.
'''
if... |
Checks that the given version code is valid. | def is_valid_release_version(version):
'''Checks that the given version code is valid.'''
return version is not None and len(version) == 6 and version[0] == 'R' \
and int(version[1:5]) in range(1990, 2050) \
and version[5] in ('h', 'g', 'f', 'e', 'd', 'c', 'b', 'a') |
Tries to guess matlab s version according to its process path. | def find_matlab_version(process_path):
""" Tries to guess matlab's version according to its process path.
If we couldn't gues the version, None is returned.
"""
bin_path = os.path.dirname(process_path)
matlab_path = os.path.dirname(bin_path)
matlab_dir_name = os.path.basename(matlab_path)
v... |
Opens the matlab process. | def open(self, print_matlab_welcome=False):
'''Opens the matlab process.'''
if self.process and not self.process.returncode:
raise MatlabConnectionError('Matlab(TM) process is still active. Use close to '
'close it')
self.process = subproce... |
Evaluates a matlab expression synchronously. | def eval(self,
expression,
identify_errors=True,
print_expression=True,
on_new_output=sys.stdout.write):
""" Evaluates a matlab expression synchronously.
If identify_erros is true, and the last output line after evaluat... |
Loads a dictionary of variable names into the matlab shell. | def put(self, name_to_val, oned_as='row', on_new_output=None):
""" Loads a dictionary of variable names into the matlab shell.
oned_as is the same as in scipy.io.matlab.savemat function:
oned_as : {'column', 'row'}, optional
If 'column', write 1-D numpy arrays as column vectors.
... |
Loads the requested variables from the matlab shell. | def get(self,
names_to_get,
extract_numpy_scalars=True,
on_new_output=None):
""" Loads the requested variables from the matlab shell.
names_to_get can be either a variable name, a list of variable names, or
None.
If it is a var... |
Return the named groups in a regular expression ( compiled or as string ) in occuring order. | def rexGroups(rex):
"""Return the named groups in a regular expression (compiled or as string)
in occuring order.
>>> rexGroups(r'(?P<name>\w+) +(?P<surname>\w+)')
('name', 'surname')
"""
if isinstance(rex,basestring): rex = re.compile(rex)
return zip(*sorted([(n,g) for (g,n) in rex.groupi... |
div ( a b ) is like a// b if b devides a otherwise an ValueError is raised. | def div(a,b):
"""``div(a,b)`` is like ``a // b`` if ``b`` devides ``a``, otherwise
an `ValueError` is raised.
>>> div(10,2)
5
>>> div(10,3)
Traceback (most recent call last):
...
ValueError: 3 does not divide 10
"""
res, fail = divmod(a,b)
if fail:
raise ValueError("... |
r Shuffle list l inplace and return it. | def ipshuffle(l, random=None):
r"""Shuffle list `l` inplace and return it."""
import random as _random
_random.shuffle(l, random)
return l |
r Return shuffled * copy * of seq. | def shuffle(seq, random=None):
r"""Return shuffled *copy* of `seq`."""
if isinstance(seq, list):
return ipshuffle(seq[:], random)
elif isString(seq):
# seq[0:0] == "" or u""
return seq[0:0].join(ipshuffle(list(seq)),random)
else:
return type(seq)(ipshuffle(list(seq),rand... |
r Read in a complete file file as a string Parameters: | def slurp(file, binary=False, expand=False):
r"""Read in a complete file `file` as a string
Parameters:
- `file`: a file handle or a string (`str` or `unicode`).
- `binary`: whether to read in the file in binary mode (default: False).
"""
mode = "r" + ["b",""][not binary]
file = _normaliz... |
Pass file to func and ensure the file is closed afterwards. If file is a string open according to mode ; if expand is true also expand user and vars. | def withFile(file, func, mode='r', expand=False):
"""Pass `file` to `func` and ensure the file is closed afterwards. If
`file` is a string, open according to `mode`; if `expand` is true also
expand user and vars.
"""
file = _normalizeToFile(file, mode=mode, expand=expand)
try: return ... |
r Read in a complete file ( specified by a file handler or a filename string/ unicode string ) as list of lines | def slurpLines(file, expand=False):
r"""Read in a complete file (specified by a file handler or a filename
string/unicode string) as list of lines"""
file = _normalizeToFile(file, "r", expand)
try: return file.readlines()
finally: file.close() |
r Return file a list of chomped lines. See slurpLines. | def slurpChompedLines(file, expand=False):
r"""Return ``file`` a list of chomped lines. See `slurpLines`."""
f=_normalizeToFile(file, "r", expand)
try: return list(chompLines(f))
finally: f.close() |
Create a new tempfile write s to it and return the filename. suffix prefix and dir are like in tempfile. mkstemp. | def strToTempfile(s, suffix=None, prefix=None, dir=None, binary=False):
"""Create a new tempfile, write ``s`` to it and return the filename.
`suffix`, `prefix` and `dir` are like in `tempfile.mkstemp`.
"""
fd, filename = tempfile.mkstemp(**dict((k,v) for (k,v) in
... |
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