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def move_down(self):
"""Make the drone decent downwards.""" |
self.at(ardrone.at.pcmd, True, 0, 0, -self.speed, 0) |
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def move_forward(self):
"""Make the drone move forward.""" |
self.at(ardrone.at.pcmd, True, 0, -self.speed, 0, 0) |
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def move_backward(self):
"""Make the drone move backwards.""" |
self.at(ardrone.at.pcmd, True, 0, self.speed, 0, 0) |
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def turn_left(self):
"""Make the drone rotate left.""" |
self.at(ardrone.at.pcmd, True, 0, 0, 0, -self.speed) |
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def turn_right(self):
"""Make the drone rotate right.""" |
self.at(ardrone.at.pcmd, True, 0, 0, 0, self.speed) |
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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) |
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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 ... |
with self.lock:
self.com_watchdog_timer.cancel()
cmd(self.host, self.sequence, *args, **kwargs)
self.sequence += 1
self.com_watchdog_timer = threading.Timer(self.timer, self.commwdg)
self.com_watchdog_timer.start() |
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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... |
with self.lock:
self.com_watchdog_timer.cancel()
self.ipc_thread.stop()
self.ipc_thread.join()
self.network_process.terminate()
self.network_process.join() |
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def config(host, seq, option, value):
"""Set configuration parameters of the drone.""" |
at(host, 'CONFIG', seq, [str(option), str(value)]) |
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def pwm(host, seq, m1, m2, m3, m4):
""" Sends control values directly to the engines, overriding control loops. Parameters: seq -- sequence number m1 -- Integer:... |
at(host, 'PWM', seq, [m1, m2, m3, m4]) |
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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 ... |
at(host, 'LED', seq, [anim, float(f), d]) |
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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 must be ascii | binary')
filename = filename.strip()
if not filename:
... |
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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 calla... |
value = default
if hasattr(instance, attr):
value = getattr(instance, attr)
if callable(value):
value = value()
return value |
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def audit_customer_subscription(customer, unknown=True):
""" Audits the provided customer's subscription against stripe and returns a pair that contains a boolea... |
if (hasattr(customer, 'suspended') and customer.suspended):
result = AUDIT_RESULTS['suspended']
else:
if hasattr(customer, 'subscription'):
try:
result = AUDIT_RESULTS[customer.subscription.status]
except KeyError, err:
# TODO should this ... |
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def is_number(obj):
"""Check if obj is number.""" |
return isinstance(obj, (int, float, np.int_, np.float_)) |
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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)
raise ValueError('expected sequence|number but got %s'%(type(obj))) |
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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)] |
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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 possib... |
if is_sequence2(obj):
return [self.get_3_tuple(o,default) for o in obj]
elif is_sequence(obj):
return [self.get_3_tuple(obj[i:i+3],default) for i in range(0,len(obj),3)]
else:
return [self.get_3_tuple(obj,default)] |
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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(self.get_3_tuple(default,default))
return tuple(ret)
if is_sequence(... |
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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)] |
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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_params = {
'aws_access_key_id': current_app.config.get('BOTO3_ACCESS_KEY'),
'aws_secret_access_key': ... |
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| 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... |
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def date_to_timestamp(date):
""" date to unix timestamp in milliseconds """ |
date_tuple = date.timetuple()
timestamp = calendar.timegm(date_tuple) * 1000
return timestamp |
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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 |
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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
o = OrderedDict()
for f in fields:
o[f] = value_dict[f... |
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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=DjangoJSONEncoder)
return json_qs |
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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... |
if not base_url:
base_url = request.path
if is_full:
protocol = 'https' if request.is_secure() else 'http'
base_url = '%s://%s%s' % (protocol, request.get_host(), base_url)
params = url_params(request, *args, **kwargs)
url = '%s%s' % (base_url, params)
return ur... |
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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_... |
if not request.GET:
return ''
params = []
for key, value in request.GET.items():
if except_params and key not in except_params:
for v in request.GET.getlist(key):
params.append('%s=%s' % (key, urlquote(v)))
if as_is:
str_params = '?' + '&'.join(param... |
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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. ... |
responses = [
self._get_chunk(name_chunk, country_id, language_id)
for name_chunk
in _chunked(names, Genderize.BATCH_SIZE)
]
data = list(chain.from_iterable(
response.data for response in responses
))
if retheader:
retu... |
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def saveVarsInMat(filename, varNamesStr, outOf=None, **opts):
"""Hacky convinience function to dump a couple of python variables in a .mat file. See `awmstools.s... |
from mlabwrap import mlab
filename, varnames, outOf = __saveVarsHelper(
filename, varNamesStr, outOf, '.mat', **opts)
try:
for varname in varnames:
mlab._set(varname, outOf[varname])
mlab._do("save('%s','%s')" % (filename, "', '".join(varnames)), nout=0)
finally:
... |
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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 += 1
mlabraw.eval(self._session, "%s = %s;" % (proxy_val_name, varname))
res = constructor(self, proxy_val_name, parent)
self._proxies[proxy_val_name] = res
... |
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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 us... |
handle_out = kwargs.get('handle_out', _flush_write_stdout)
#self._session = self._session or mlabraw.open()
# HACK
if self._autosync_dirs:
mlabraw.eval(self._session, "cd('%s');" % os.getcwd().replace("'", "''"))
nout = kwargs.get('nout', 1)
#XXX what to do... |
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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 = self._var_type(varname)
if vartype in self._mlabraw_can_convert:
var = mlabraw.get(self._session, varname)
if isinstanc... |
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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(self._session, name, self._as_mlabable_type(value))
mlabraw.put(self._session, name, value) |
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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 = win32com.client.Dispatch('matlab.application')
self.client.visible = visible |
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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... |
self._check_open()
single_itme = isinstance(names_to_get, (unicode, str))
if single_itme:
names_to_get = [names_to_get]
ret = {}
for name in names_to_get:
ret[name] = self.client.GetWorkspaceData(name, 'base')
# TODO(daniv): Do we really want to reduce dimensions like that? what i... |
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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.client.PutWorkspaceData(name, 'base', val) |
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| 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... |
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| 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') |
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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)
version = matlab_dir_name
if not is_linux():
version = matlab_dir_name.replace('MATLAB_', '').replace('.app', '')
if not is_valid_release_version(version):
... |
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| 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... |
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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... |
self._check_open()
# We can't give stdin to mlabio.savemat because it needs random access :(
temp = StringIO()
mlabio.savemat(temp, name_to_val, oned_as=oned_as)
temp.seek(0)
temp_str = temp.read()
temp.close()
self.process.stdin.write('load stdio;\n')
... |
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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 ... |
self._check_open()
single_item = isinstance(names_to_get, (unicode, str))
if single_item:
names_to_get = [names_to_get]
if names_to_get == None:
self.process.stdin.write('save stdio;\n')
else:
# Make sure that we throw an excpetion if the name... |
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def ipshuffle(l, random=None):
r"""Shuffle list `l` inplace and return it.""" |
import random as _random
_random.shuffle(l, random)
return l |
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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 `mo... |
file = _normalizeToFile(file, mode=mode, expand=expand)
try: return func(file)
finally: file.close() |
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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() |
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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` a... |
fd, filename = tempfile.mkstemp(**dict((k,v) for (k,v) in
[('suffix',suffix),('prefix',prefix),('dir', dir)]
if v is not None))
spitOut(s, fd, binary)
return filename |
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def iprotate(l, steps=1):
r"""Like rotate, but modifies `l` in-place. True [2, 3, 1] [1, 2, 3] """ |
if len(l):
steps %= len(l)
if steps:
firstPart = l[:steps]
del l[:steps]
l.extend(firstPart)
return l |
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def notUnique(iterable, reportMax=INF):
"""Returns the elements in `iterable` that aren't unique; stops after it found `reportMax` non-unique elements. Examples:... |
hash = {}
n=0
if reportMax < 1:
raise ValueError("`reportMax` must be >= 1 and is %r" % reportMax)
for item in iterable:
count = hash[item] = hash.get(item, 0) + 1
if count > 1:
yield item
n += 1
if n >= reportMax:
return |
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def unweave(iterable, n=2):
r"""Divide `iterable` in `n` lists, so that every `n`th element belongs to list `n`. Example: [[1, 4], [2, 5], [3]] """ |
res = [[] for i in range(n)]
i = 0
for x in iterable:
res[i % n].append(x)
i += 1
return res |
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def atIndices(indexable, indices, default=__unique):
r"""Return a list of items in `indexable` at positions `indices`. Examples: [2, 2, 1] [2, 2, 1, 'default'] [... |
if default is __unique:
return [indexable[i] for i in indices]
else:
res = []
for i in indices:
try:
res.append(indexable[i])
except (IndexError, KeyError):
res.append(default)
return res |
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def stretch(iterable, n=2):
r"""Repeat each item in `iterable` `n` times. Example: [0, 0, 1, 1, 2, 2] """ |
times = range(n)
for item in iterable:
for i in times: yield item |
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Description:
def update(d, e):
"""Return a copy of dict `d` updated with dict `e`.""" |
res = copy.copy(d)
res.update(e)
return res |
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def invertDict(d, allowManyToOne=False):
r"""Return an inverted version of dict `d`, so that values become keys and vice versa. If multiple keys in `d` have the ... |
res = dict(izip(d.itervalues(), d.iterkeys()))
if not allowManyToOne and len(res) != len(d):
raise ValueError("d can't be inverted!")
return res |
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def iflatten(seq, isSeq=isSeq):
r"""Like `flatten` but lazy.""" |
for elt in seq:
if isSeq(elt):
for x in iflatten(elt, isSeq):
yield x
else:
yield elt |
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def union(seq1=(), *seqs):
r"""Return the set union of `seq1` and `seqs`, duplicates removed, order random. Examples: [] [1, 2, 3] [1, 2, 3, 5] ['a', 1, 2, 3, 'd... |
if not seqs: return list(seq1)
res = set(seq1)
for seq in seqs:
res.update(set(seq))
return list(res) |
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def without(seq1, seq2):
r"""Return a list with all elements in `seq2` removed from `seq1`, order preserved. Examples: [2, 3, 2] """ |
if isSet(seq2): d2 = seq2
else: d2 = set(seq2)
return [elt for elt in seq1 if elt not in d2] |
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def every(predicate, *iterables):
r"""Like `some`, but only returns `True` if all the elements of `iterables` satisfy `predicate`. Examples: True False True True... |
try:
if len(iterables) == 1: ifilterfalse(predicate, iterables[0]).next()
else: ifilterfalse(bool, starmap(predicate, izip(*iterables))).next()
except StopIteration: return True
else: return False |
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def addVars(filename, varNamesStr, outOf=None):
r"""Like `saveVars`, but appends additional variables to file.""" |
filename, varnames, outOf = __saveVarsHelper(filename, varNamesStr, outOf)
f = None
try:
f = open(filename, "rb")
h = cPickle.load(f)
f.close()
h.update(dict(zip(varnames, atIndices(outOf, varnames))))
f = open(filename, "wb")
cPickle.dump( h, f , 1 )
fi... |
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def loadDict(filename):
"""Return the variables pickled pickled into `filename` with `saveVars` as a dict.""" |
filename = os.path.expanduser(filename)
if not splitext(filename)[1]: filename += ".bpickle"
f = None
try:
f = open(filename, "rb")
varH = cPickle.load(f)
finally:
if f: f.close()
return varH |
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def runInfo(prog=None,vers=None,date=None,user=None,dir=None,args=None):
r"""Create a short info string detailing how a program was invoked. This is meant to be ... |
return "%(prog)s %(vers)s;" \
" run %(date)s by %(usr)s in %(dir)s with: %(args)s'n" % \
mkDict(prog=prog or sys.argv[0],
vers=vers or magicGlobals().get("__version__", ""),
date=date or isoDateTimeStr(),
usr=user or getpass.getuser(),
... |
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def argmin(iterable, key=None, both=False):
"""See `argmax`. """ |
if key is not None:
it = imap(key, iterable)
else:
it = iter(iterable)
score, argmin = reduce(min, izip(it, count()))
if both:
return argmin, score
return argmin |
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def compose(*funcs):
"""Compose `funcs` to a single function. 5 'nada' [1, 2] """ |
# slightly optimized for most common cases and hence verbose
if len(funcs) == 2: f0,f1=funcs; return lambda *a,**kw: f0(f1(*a,**kw))
elif len(funcs) == 3: f0,f1,f2=funcs; return lambda *a,**kw: f0(f1(f2(*a,**kw)))
elif len(funcs) == 0: return lambda x:x # XXX single kwarg
elif len(funcs) == 1: ... |
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def run(self, func, *args, **kwargs):
"""Same as ``self.dryRun`` if ``self.dry``, else same as ``self.wetRun``.""" |
if self.dry:
return self.dryRun(func, *args, **kwargs)
else:
return self.wetRun(func, *args, **kwargs) |
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| def iterbridges():
''' Iterate over all the bridges in the system. '''
net_files = os.listdir(SYSFS_NET_PATH)
for d in net_files:
path = os.path.join(SYSFS_NET_PATH, d)
if not os.path.isdir(path):
continue
if os.path.exists(os.path.join(path, b"bridge")):
yiel... |
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| def addbr(name):
''' Create new bridge with the given name '''
fcntl.ioctl(ifconfig.sockfd, SIOCBRADDBR, name)
return Bridge(name) |
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| def iterifs(self):
''' Iterate over all the interfaces in this bridge. '''
if_path = os.path.join(SYSFS_NET_PATH, self.name, b"brif")
net_files = os.listdir(if_path)
for iface in net_files:
yield iface |
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def get_lib_filename(category, name):
""" Get a filename of a built-in library file. """ |
base_dir = os.path.dirname(os.path.abspath(__file__))
if category == 'js':
filename = os.path.join('js', '{0}.js'.format(name))
elif category == 'css':
filename = os.path.join('css', '{0}.css'.format(name))
elif category == 'html':
filename = os.path.join('html', '{0}.html'.form... |
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def output_notebook( d3js_url="//d3js.org/d3.v3.min", requirejs_url="//cdnjs.cloudflare.com/ajax/libs/require.js/2.1.10/require.min.js", html_template=None ):
""... |
if html_template is None:
html_template = read_lib('html', 'setup')
setup_html = populate_template(
html_template,
d3js=d3js_url,
requirejs=requirejs_url
)
display_html(setup_html)
return |
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def create_graph_html(js_template, css_template, html_template=None):
""" Create HTML code block given the graph Javascript and CSS. """ |
if html_template is None:
html_template = read_lib('html', 'graph')
# Create div ID for the graph and give it to the JS and CSS templates so
# they can reference the graph.
graph_id = 'graph-{0}'.format(_get_random_id())
js = populate_template(js_template, graph_id=graph_id)
css = popu... |
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def get_newest_possible_languagetool_version():
"""Return newest compatible version. True """ |
java_path = find_executable('java')
if not java_path:
# Just ignore this and assume an old version of Java. It might not be
# found because of a PATHEXT-related issue
# (https://bugs.python.org/issue2200).
return JAVA_6_COMPATIBLE_VERSION
output = subprocess.check_output([j... |
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| def init():
''' Initialize the library '''
globals()["sock"] = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
globals()["sockfd"] = globals()["sock"].fileno() |
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| def is_up(self):
''' Return True if the interface is up, False otherwise. '''
# Get existing device flags
ifreq = struct.pack('16sh', self.name, 0)
flags = struct.unpack('16sh', fcntl.ioctl(sockfd, SIOCGIFFLAGS, ifreq))[1]
# Set new flags
if flags & IFF_UP:
... |
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| def get_mac(self):
''' Obtain the device's mac address. '''
ifreq = struct.pack('16sH14s', self.name, AF_UNIX, b'\x00'*14)
res = fcntl.ioctl(sockfd, SIOCGIFHWADDR, ifreq)
address = struct.unpack('16sH14s', res)[2]
mac = struct.unpack('6B8x', address)
return ":".join(['%0... |
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| def set_mac(self, newmac):
''' Set the device's mac address. Device must be down for this to
succeed. '''
macbytes = [int(i, 16) for i in newmac.split(':')]
ifreq = struct.pack('16sH6B8x', self.name, AF_UNIX, *macbytes)
fcntl.ioctl(sockfd, SIOCSIFHWADDR, ifreq) |
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| def get_index(self):
''' Convert an interface name to an index value. '''
ifreq = struct.pack('16si', self.name, 0)
res = fcntl.ioctl(sockfd, SIOCGIFINDEX, ifreq)
return struct.unpack("16si", res)[1] |
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def set_pause_param(self, autoneg, rx_pause, tx_pause):
""" Ethernet has flow control! The inter-frame pause can be adjusted, by auto-negotiation through an ethe... |
# create a struct ethtool_pauseparm
# create a struct ifreq with its .ifr_data pointing at the above
ecmd = array.array('B', struct.pack('IIII',
ETHTOOL_SPAUSEPARAM, bool(autoneg), bool(rx_pause), bool(tx_pause)))
buf_addr, _buf_len = ecmd.buffer_info()
ifreq = struc... |
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def split_elements(value):
"""Split a string with comma or space-separated elements into a list.""" |
l = [v.strip() for v in value.split(',')]
if len(l) == 1:
l = value.split()
return l |
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def default_hook(config):
"""Default setup hook.""" |
if (any(arg.startswith('bdist') for arg in sys.argv) and
os.path.isdir(PY2K_DIR) != IS_PY2K and os.path.isdir(LIB_DIR)):
shutil.rmtree(LIB_DIR)
if IS_PY2K and any(arg.startswith('install') or
arg.startswith('build') or
arg.startswith('bdist') f... |
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def get_default_if():
""" Returns the default interface """ |
f = open ('/proc/net/route', 'r')
for line in f:
words = line.split()
dest = words[1]
try:
if (int (dest) == 0):
interf = words[0]
break
except ValueError:
pass
return interf |
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def get_default_gw():
""" Returns the default gateway """ |
octet_list = []
gw_from_route = None
f = open ('/proc/net/route', 'r')
for line in f:
words = line.split()
dest = words[1]
try:
if (int (dest) == 0):
gw_from_route = words[2]
break
except ValueError:
pass
... |
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def init(init_type='plaintext_tcp', *args, **kwargs):
""" Create the module instance of the GraphiteClient. """ |
global _module_instance
reset()
validate_init_types = ['plaintext_tcp', 'plaintext', 'pickle_tcp',
'pickle', 'plain']
if init_type not in validate_init_types:
raise GraphiteSendException(
"Invalid init_type '%s', must be one of: %s" %
(init_t... |
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def cli():
""" Allow the module to be called from the cli. """ |
import argparse
parser = argparse.ArgumentParser(description='Send data to graphite')
# Core of the application is to accept a metric and a value.
parser.add_argument('metric', metavar='metric', type=str,
help='name.of.metric')
parser.add_argument('value', metavar='value',... |
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def connect(self):
""" Make a TCP connection to the graphite server on port self.port """ |
self.socket = socket.socket()
self.socket.settimeout(self.timeout_in_seconds)
try:
self.socket.connect(self.addr)
except socket.timeout:
raise GraphiteSendException(
"Took over %d second(s) to connect to %s" %
(self.timeout_in_seco... |
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def disconnect(self):
""" Close the TCP connection with the graphite server. """ |
try:
self.socket.shutdown(1)
# If its currently a socket, set it to None
except AttributeError:
self.socket = None
except Exception:
self.socket = None
# Set the self.socket to None, no matter what.
finally:
self.socket =... |
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def _dispatch_send(self, message):
""" Dispatch the different steps of sending """ |
if self.dryrun:
return message
if not self.socket:
raise GraphiteSendException(
"Socket was not created before send"
)
sending_function = self._send
if self._autoreconnect:
sending_function = self._send_and_reconnect
... |
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def _send_and_reconnect(self, message):
"""Send _message_ to Graphite Server and attempt reconnect on failure. If _autoreconnect_ was specified, attempt to recon... |
try:
self.socket.sendall(message.encode("ascii"))
except (AttributeError, socket.error):
if not self.autoreconnect():
raise
else:
self.socket.sendall(message.encode("ascii")) |
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def enable_asynchronous(self):
"""Check if socket have been monkey patched by gevent""" |
def is_monkey_patched():
try:
from gevent import monkey, socket
except ImportError:
return False
if hasattr(monkey, "saved"):
return "socket" in monkey.saved
return gevent.socket.socket == socket.socket
if... |
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| def str2listtuple(self, string_message):
"Covert a string that is ready to be sent to graphite into a tuple"
if type(string_message).__name__ not in ('str', 'unicode'):
raise TypeError("Must provide a string or unicode")
if not string_message.endswith('\n'):
string_mess... |
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def _send(self, message):
""" Given a message send it to the graphite server. """ |
# An option to lowercase the entire message
if self.lowercase_metric_names:
message = message.lower()
# convert the message into a pickled payload.
message = self.str2listtuple(message)
try:
self.socket.sendall(message)
# Capture missing socket... |
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def clean_metric_name(self, metric_name):
""" Make sure the metric is free of control chars, spaces, tabs, etc. """ |
if not self._clean_metric_name:
return metric_name
metric_name = str(metric_name)
for _from, _to in self.cleaning_replacement_list:
metric_name = metric_name.replace(_from, _to)
return metric_name |
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Description:
def _get_attrib(cls):
"""Get matches element attributes.""" |
if not cls._server_is_alive():
cls._start_server_on_free_port()
params = {'language': FAILSAFE_LANGUAGE, 'text': ''}
data = urllib.parse.urlencode(params).encode()
root = cls._get_root(cls._url, data, num_tries=1)
return root.attrib |
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def get_form(self, request, obj=None, **kwargs):
""" Patched method for PageAdmin.get_form. Returns a page form without the base field 'meta_description' which i... |
language = get_language_from_request(request, obj)
form = _BASE_PAGEADMIN__GET_FORM(self, request, obj, **kwargs)
if not obj or not obj.get_meta_description(language=language):
form.base_fields.pop('meta_description', None)
return form |
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def begin(self, address=MPR121_I2CADDR_DEFAULT, i2c=None, **kwargs):
"""Initialize communication with the MPR121. Can specify a custom I2C address for the device... |
# Assume we're using platform's default I2C bus if none is specified.
if i2c is None:
import Adafruit_GPIO.I2C as I2C
i2c = I2C
# Require repeated start conditions for I2C register reads. Unfortunately
# the MPR121 is very sensitive and requires ... |
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def touched(self):
"""Return touch state of all pins as a 12-bit value where each bit represents a pin, with a value of 1 being touched and 0 not being touched. ... |
t = self._i2c_retry(self._device.readU16LE, MPR121_TOUCHSTATUS_L)
return t & 0x0FFF |
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def is_touched(self, pin):
"""Return True if the specified pin is being touched, otherwise returns False. """ |
assert pin >= 0 and pin < 12, 'pin must be between 0-11 (inclusive)'
t = self.touched()
return (t & (1 << pin)) > 0 |
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def profileit(func):
""" Decorator straight up stolen from stackoverflow """ |
def wrapper(*args, **kwargs):
datafn = func.__name__ + ".profile" # Name the data file sensibly
prof = cProfile.Profile()
prof.enable()
retval = prof.runcall(func, *args, **kwargs)
prof.disable()
stats = pstats.Stats(prof)
try:
stats.sort_stats('c... |
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def _get_fields_for_model(model):
""" Gets all of the fields on the model. :param DeclarativeModel model: A SQLAlchemy ORM Model :return: A tuple of the fields o... |
fields = []
for name in model._sa_class_manager:
prop = getattr(model, name)
if isinstance(prop.property, RelationshipProperty):
for pk in prop.property.mapper.primary_key:
fields.append('{0}.{1}'.format(name, pk.name))
else:
fields.append(name)
... |
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def _get_relationships(model):
""" Gets the necessary relationships for the resource by inspecting the sqlalchemy model for relationships. :param DeclarativeMeta... |
relationships = []
for name, relationship in inspect(model).relationships.items():
class_ = relationship.mapper.class_
if relationship.uselist:
rel = ListRelationship(name, relation=class_.__name__)
else:
rel = Relationship(name, relation=class_.__name__)
... |
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def create_resource(model, session_handler, resource_bases=(CRUDL,), relationships=None, links=None, preprocessors=None, postprocessors=None, fields=None, paginat... |
relationships = relationships or tuple()
if auto_relationships:
relationships += _get_relationships(model)
links = links or tuple()
preprocessors = preprocessors or tuple()
postprocessors = postprocessors or tuple()
pks = pks or _get_pks(model)
fields... |
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