Search is not available for this dataset
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def dict_as_tuple_list(d, as_list=False):
"""
Format a dict to a list of tuples
:param d: the dictionary
:param as_list: return a list of lists rather than a list of tuples
:return: formatted dictionary list
"""
dd = list()
for k, v in d.items():
dd.append([k, v] if as_list else ... |
def tuple_search(t, i, v):
"""
Search tuple array by index and value
:param t: tuple array
:param i: index of the value in each tuple
:param v: value
:return: the first tuple in the array with the specific index / value
"""
for e in t:
if e[i] == v:
return e
retur... |
def parse_comment_telemetry(text):
"""
Looks for base91 telemetry found in comment field
Returns [remaining_text, telemetry]
"""
parsed = {}
match = re.findall(r"^(.*?)\|([!-{]{4,14})\|(.*)$", text)
if match and len(match[0][1]) % 2 == 0:
text, telemetry, post = match[0]
tex... |
def parse(packet):
"""
Parses an APRS packet and returns a dict with decoded data
- All attributes are in metric units
"""
if not isinstance(packet, string_type_parse):
raise TypeError("Expected packet to be str/unicode/bytes, got %s", type(packet))
if len(packet) == 0:
raise ... |
def to_decimal(text):
"""
Takes a base91 char string and returns decimal
"""
if not isinstance(text, string_type):
raise TypeError("expected str or unicode, %s given" % type(text))
if findall(r"[\x00-\x20\x7c-\xff]", text):
raise ValueError("invalid character in sequence")
tex... |
def from_decimal(number, width=1):
"""
Takes a decimal and returns base91 char string.
With optional parameter for fix with output
"""
text = []
if not isinstance(number, int_type):
raise TypeError("Expected number to be int, got %s", type(number))
elif not isinstance(width, int_typ... |
def passcode(callsign):
"""
Takes a CALLSIGN and returns passcode
"""
assert isinstance(callsign, str)
callsign = callsign.split('-')[0].upper()
code = 0x73e2
for i, char in enumerate(callsign):
code ^= ord(char) << (8 if not i % 2 else 0)
return code & 0x7fff |
def parse_header(head):
"""
Parses the header part of packet
Returns a dict
"""
try:
(fromcall, path) = head.split('>', 1)
except:
raise ParseError("invalid packet header")
if (not 1 <= len(fromcall) <= 9 or
not re.findall(r"^[a-z0-9]{0,9}(\-[a-z0-9]{1,8})?$", fromcal... |
def set_filter(self, filter_text):
"""
Set a specified aprs-is filter for this connection
"""
self.filter = filter_text
self.logger.info("Setting filter to: %s", self.filter)
if self._connected:
self._sendall("#filter %s\r\n" % self.filter) |
def set_login(self, callsign, passwd="-1", skip_login=False):
"""
Set callsign and password
"""
self.__dict__.update(locals()) |
def connect(self, blocking=False, retry=30):
"""
Initiate connection to APRS server and attempt to login
blocking = False - Should we block until connected and logged-in
retry = 30 - Retry interval in seconds
"""
if self._connected:
return
... |
def close(self):
"""
Closes the socket
Called internally when Exceptions are raised
"""
self._connected = False
self.buf = b''
if self.sock is not None:
self.sock.close() |
def sendall(self, line):
"""
Send a line, or multiple lines sperapted by '\\r\\n'
"""
if isinstance(line, APRSPacket):
line = str(line)
elif not isinstance(line, string_type):
raise TypeError("Expected line to be str or APRSPacket, got %s", type(line))
... |
def consumer(self, callback, blocking=True, immortal=False, raw=False):
"""
When a position sentence is received, it will be passed to the callback function
blocking: if true (default), runs forever, otherwise will return after one sentence
You can still exit the loop, by rais... |
def _connect(self):
"""
Attemps connection to the server
"""
self.logger.info("Attempting connection to %s:%s", self.server[0], self.server[1])
try:
self._open_socket()
peer = self.sock.getpeername()
self.logger.info("Connected to %s", str(... |
def _send_login(self):
"""
Sends login string to server
"""
login_str = "user {0} pass {1} vers aprslib {3}{2}\r\n"
login_str = login_str.format(
self.callsign,
self.passwd,
(" filter " + self.filter) if self.filter != "" else "",
_... |
def _socket_readlines(self, blocking=False):
"""
Generator for complete lines, received from the server
"""
try:
self.sock.setblocking(0)
except socket.error as e:
self.logger.error("socket error when setblocking(0): %s" % str(e))
raise Connect... |
def db_value(self, value):
"""
Convert UUID to binary blob
"""
# ensure we have a valid UUID
if not isinstance(value, UUID):
value = UUID(value)
# reconstruct for optimal indexing
parts = str(value).split("-")
reordered = ''.join([parts[2], p... |
def python_value(self, value):
"""
Convert binary blob to UUID instance
"""
value = super(OrderedUUIDField, self).python_value(value)
u = binascii.b2a_hex(value)
value = u[8:16] + u[4:8] + u[0:4] + u[16:22] + u[22:32]
return UUID(value.decode()) |
def db_value(self, value):
"""Convert the python value for storage in the database."""
value = self.transform_value(value)
return self.hhash.encrypt(value,
salt_size=self.salt_size, rounds=self.rounds) |
def python_value(self, value):
"""Convert the database value to a pythonic value."""
value = coerce_to_bytes(value)
obj = HashValue(value)
obj.field = self
return obj |
def register(self, model_cls):
"""Register model(s) with app"""
assert issubclass(model_cls, peewee.Model)
assert not hasattr(model_cls._meta, 'database_manager')
if model_cls in self:
raise RuntimeError("Model already registered")
self.append(model_cls)
model... |
def disconnect(self):
"""Disconnect from all databases"""
for name, connection in self.items():
if not connection.is_closed():
connection.close() |
def get_database(self, model):
"""Find matching database router"""
for router in self.routers:
r = router.get_database(model)
if r is not None:
return r
return self.get('default') |
def to_cursor_ref(self):
"""Returns dict of values to uniquely reference this item"""
fields = self._meta.get_primary_keys()
assert fields
values = {field.name:self.__data__[field.name] for field in fields}
return values |
def paginate_query(self, query, count, offset=None, sort=None):
"""
Apply pagination to query
:attr query: Instance of `peewee.Query`
:attr count: Max rows to return
:attr offset: Pagination offset, str/int
:attr sort: List of tuples, e.g. [('id', 'asc')]
:retur... |
def apply_filters(self, query, filters):
"""
Apply user specified filters to query
"""
assert isinstance(query, peewee.Query)
assert isinstance(filters, dict) |
def list(self, filters, cursor, count):
"""
List items from query
"""
assert isinstance(filters, dict), "expected filters type 'dict'"
assert isinstance(cursor, dict), "expected cursor type 'dict'"
# start with our base query
query = self.get_query()
asse... |
def retrieve(self, cursor):
"""
Retrieve items from query
"""
assert isinstance(cursor, dict), "expected cursor type 'dict'"
# look for record in query
query = self.get_query()
assert isinstance(query, peewee.Query)
query
return query.get(**curso... |
def regenerate_signing_key(self, secret_key=None, region=None,
service=None, date=None):
"""
Regenerate the signing key for this instance. Store the new key in
signing_key property.
Take scope elements of the new key from the equivalent properties
... |
def get_request_date(cls, req):
"""
Try to pull a date from the request by looking first at the
x-amz-date header, and if that's not present then the Date header.
Return a datetime.date object, or None if neither date header
is found or is in a recognisable format.
req ... |
def parse_date(date_str):
"""
Check if date_str is in a recognised format and return an ISO
yyyy-mm-dd format version if so. Raise DateFormatError if not.
Recognised formats are:
* RFC 7231 (e.g. Mon, 09 Sep 2011 23:36:00 GMT)
* RFC 850 (e.g. Sunday, 06-Nov-94 08:49:37 G... |
def handle_date_mismatch(self, req):
"""
Handle a request whose date doesn't match the signing key scope date.
This AWS4Auth class implementation regenerates the signing key. See
StrictAWS4Auth class if you would prefer an exception to be raised.
req -- a requests prepared requ... |
def encode_body(req):
"""
Encode body of request to bytes and update content-type if required.
If the body of req is Unicode then encode to the charset found in
content-type header if present, otherwise UTF-8, or ASCII if
content-type is application/x-www-form-urlencoded. If enc... |
def get_canonical_request(self, req, cano_headers, signed_headers):
"""
Create the AWS authentication Canonical Request string.
req -- Requests PreparedRequest object. Should already
include an x-amz-content-sha256 header
cano_headers -- Canonical ... |
def get_canonical_headers(cls, req, include=None):
"""
Generate the Canonical Headers section of the Canonical Request.
Return the Canonical Headers and the Signed Headers strs as a tuple
(canonical_headers, signed_headers).
req -- Requests PreparedRequest object
in... |
def get_sig_string(req, cano_req, scope):
"""
Generate the AWS4 auth string to sign for the request.
req -- Requests PreparedRequest object. This should already
include an x-amz-date header.
cano_req -- The Canonical Request, as returned by
g... |
def amz_cano_path(self, path):
"""
Generate the canonical path as per AWS4 auth requirements.
Not documented anywhere, determined from aws4_testsuite examples,
problem reports and testing against the live services.
path -- request path
"""
safe_chars = '/~'
... |
def amz_cano_querystring(qs):
"""
Parse and format querystring as per AWS4 auth requirements.
Perform percent quoting as needed.
qs -- querystring
"""
safe_qs_amz_chars = '&=+'
safe_qs_unresvd = '-_.~'
# If Python 2, switch to working entirely in str
... |
def generate_key(cls, secret_key, region, service, date,
intermediates=False):
"""
Generate the signing key string as bytes.
If intermediate is set to True, returns a 4-tuple containing the key
and the intermediate keys:
( signing_key, date_key, region_key,... |
def sign_sha256(key, msg):
"""
Generate an SHA256 HMAC, encoding msg to UTF-8 if not
already encoded.
key -- signing key. bytes.
msg -- message to sign. unicode or bytes.
"""
if isinstance(msg, text_type):
msg = msg.encode('utf-8')
return hma... |
def _format_datetime(dttm):
"""Convert a datetime object into a valid STIX timestamp string.
1. Convert to timezone-aware
2. Convert to UTC
3. Format in ISO format
4. Ensure correct precision
a. Add subsecond value if non-zero and precision not defined
5. Add "Z"
"""
if dttm.tz... |
def _ensure_datetime_to_string(maybe_dttm):
"""If maybe_dttm is a datetime instance, convert to a STIX-compliant
string representation. Otherwise return the value unchanged."""
if isinstance(maybe_dttm, datetime.datetime):
maybe_dttm = _format_datetime(maybe_dttm)
return maybe_dttm |
def _filter_kwargs_to_query_params(filter_kwargs):
"""
Convert API keyword args to a mapping of URL query parameters. Except for
"added_after", all keywords are mapped to match filters, i.e. to a query
parameter of the form "match[<kwarg>]". "added_after" is left alone, since
it's a special filter... |
def _to_json(resp):
"""
Factors out some JSON parse code with error handling, to hopefully improve
error messages.
:param resp: A "requests" library response
:return: Parsed JSON.
:raises: InvalidJSONError If JSON parsing failed.
"""
try:
return resp.json()
except ValueError... |
def refresh(self, accept=MEDIA_TYPE_TAXII_V20):
"""Updates Status information"""
response = self.__raw = self._conn.get(self.url,
headers={"Accept": accept})
self._populate_fields(**response) |
def wait_until_final(self, poll_interval=1, timeout=60):
"""It will poll the URL to grab the latest status resource in a given
timeout and time interval.
Args:
poll_interval (int): how often to poll the status service.
timeout (int): how long to poll the URL until giving... |
def _validate_status(self):
"""Validates Status information. Raises errors for required
properties."""
if not self.id:
msg = "No 'id' in Status for request '{}'"
raise ValidationError(msg.format(self.url))
if not self.status:
msg = "No 'status' in Sta... |
def _validate_collection(self):
"""Validates Collection information. Raises errors for required
properties."""
if not self._id:
msg = "No 'id' in Collection for request '{}'"
raise ValidationError(msg.format(self.url))
if not self._title:
msg = "No 't... |
def get_objects(self, accept=MEDIA_TYPE_STIX_V20, **filter_kwargs):
"""Implement the ``Get Objects`` endpoint (section 5.3)"""
self._verify_can_read()
query_params = _filter_kwargs_to_query_params(filter_kwargs)
return self._conn.get(self.objects_url, headers={"Accept": accept},
... |
def get_object(self, obj_id, version=None, accept=MEDIA_TYPE_STIX_V20):
"""Implement the ``Get an Object`` endpoint (section 5.5)"""
self._verify_can_read()
url = self.objects_url + str(obj_id) + "/"
query_params = None
if version:
query_params = _filter_kwargs_to_que... |
def add_objects(self, bundle, wait_for_completion=True, poll_interval=1,
timeout=60, accept=MEDIA_TYPE_TAXII_V20,
content_type=MEDIA_TYPE_STIX_V20):
"""Implement the ``Add Objects`` endpoint (section 5.4)
Add objects to the collection. This may be performed eith... |
def get_manifest(self, accept=MEDIA_TYPE_TAXII_V20, **filter_kwargs):
"""Implement the ``Get Object Manifests`` endpoint (section 5.6)."""
self._verify_can_read()
query_params = _filter_kwargs_to_query_params(filter_kwargs)
return self._conn.get(self.url + "manifest/",
... |
def _validate_api_root(self):
"""Validates API Root information. Raises errors for required
properties."""
if not self._title:
msg = "No 'title' in API Root for request '{}'"
raise ValidationError(msg.format(self.url))
if not self._versions:
msg = "No... |
def refresh(self, accept=MEDIA_TYPE_TAXII_V20):
"""Update the API Root's information and list of Collections"""
self.refresh_information(accept)
self.refresh_collections(accept) |
def refresh_information(self, accept=MEDIA_TYPE_TAXII_V20):
"""Update the properties of this API Root.
This invokes the ``Get API Root Information`` endpoint.
"""
response = self.__raw = self._conn.get(self.url,
headers={"Accept": accept})
... |
def refresh_collections(self, accept=MEDIA_TYPE_TAXII_V20):
"""Update the list of Collections contained by this API Root.
This invokes the ``Get Collections`` endpoint.
"""
url = self.url + "collections/"
response = self._conn.get(url, headers={"Accept": accept})
self._... |
def _validate_server(self):
"""Validates server information. Raises errors for required properties.
"""
if not self._title:
msg = "No 'title' in Server Discovery for request '{}'"
raise ValidationError(msg.format(self.url)) |
def refresh(self):
"""Update the Server information and list of API Roots"""
response = self.__raw = self._conn.get(self.url)
self._populate_fields(**response)
self._loaded = True |
def valid_content_type(self, content_type, accept):
"""Check that the server is returning a valid Content-Type
Args:
content_type (str): ``Content-Type:`` header value
accept (str): media type to include in the ``Accept:`` header.
"""
accept_tokens = accept.repl... |
def get(self, url, headers=None, params=None):
"""Perform an HTTP GET, using the saved requests.Session and auth info.
If "Accept" isn't one of the given headers, a default TAXII mime type is
used. Regardless, the response type is checked against the accept
header value, and an exceptio... |
def post(self, url, headers=None, params=None, **kwargs):
"""Send a JSON POST request with the given request headers, additional
URL query parameters, and the given JSON in the request body. The
extra query parameters are merged with any which already exist in the
URL. The 'json' and '... |
def _merge_headers(self, call_specific_headers):
"""
Merge headers from different sources together. Headers passed to the
post/get methods have highest priority, then headers associated with
the connection object itself have next priority.
:param call_specific_headers: A header... |
def total_memory():
""" Returns the the amount of memory available for use.
The memory is obtained from MemTotal entry in /proc/meminfo.
Notes
=====
This function is not very useful and not very portable.
"""
with file('/proc/meminfo', 'r') as f:
for line ... |
def cpu_count():
""" Returns the default number of slave processes to be spawned.
The default value is the number of physical cpu cores seen by python.
:code:`OMP_NUM_THREADS` environment variable overrides it.
On PBS/torque systems if OMP_NUM_THREADS is empty, we try to
use the va... |
def empty_like(array, dtype=None):
""" Create a shared memory array from the shape of array.
"""
array = numpy.asarray(array)
if dtype is None:
dtype = array.dtype
return anonymousmemmap(array.shape, dtype) |
def full_like(array, value, dtype=None):
""" Create a shared memory array with the same shape and type as a given array, filled with `value`.
"""
shared = empty_like(array, dtype)
shared[:] = value
return shared |
def full(shape, value, dtype='f8'):
""" Create a shared memory array of given shape and type, filled with `value`.
"""
shared = empty(shape, dtype)
shared[:] = value
return shared |
def copy(a):
""" Copy an array to the shared memory.
Notes
-----
copy is not always necessary because the private memory is always copy-on-write.
Use :code:`a = copy(a)` to immediately dereference the old 'a' on private memory
"""
shared = anonymousmemmap(a.shape, dtype=a.... |
def get(self, Q):
""" Protected get. Get an item from Q.
Will block. but if the process group has errors,
raise an StopProcessGroup exception.
A slave process will terminate upon StopProcessGroup.
The master process shall read the error from the process group.
... |
def wait(self):
""" Wait and join the child process.
The return value of the function call is returned.
If any exception occurred it is wrapped and raised.
"""
e, r = self.result.get()
self.slave.join()
self.slave = None
self.result = None
... |
def map(self, func, sequence, reduce=None, star=False, minlength=0):
""" Map-reduce with multile processes.
Apply func to each item on the sequence, in parallel.
As the results are collected, reduce is called on the result.
The reduced result is returned as a list.
... |
def savetxt2(fname, X, delimiter=' ', newline='\n', comment_character='#',
header='', save_dtype=False, fmt={}):
""" format of table header:
# ID [type]:name(index) .... * number of items
user's header is not prefixed by comment_character
name of nested dtype elements are split b... |
def loadtxt2(fname, dtype=None, delimiter=' ', newline='\n', comment_character='#',
skiplines=0):
""" Known issues delimiter and newline is not respected.
string quotation with space is broken.
"""
dtypert = [None, None, None]
def preparedtype(dtype):
dtypert[0] = dtype
... |
def flatten_dtype(dtype, _next=None):
""" Unpack a structured data-type. """
types = []
if _next is None:
_next = [0, '']
primary = True
else:
primary = False
prefix = _next[1]
if dtype.names is None:
for i in numpy.ndindex(dtype.shape):
if dtype.b... |
def MetaOrdered(parallel, done, turnstile):
"""meta class for Ordered construct."""
class Ordered:
def __init__(self, iterref):
if parallel.master:
done[...] = 0
self.iterref = iterref
parallel.barrier()
@classmethod
def abort(self):
... |
def kill_all(self):
"""kill all slaves and reap the monitor """
for pid in self.children:
try:
os.kill(pid, signal.SIGTRAP)
except OSError:
continue
self.join() |
def join(self):
""" master only """
try:
self.pipe.put('Q')
self.thread.join()
except:
pass
finally:
self.thread = None |
def slaveraise(self, type, error, traceback):
""" slave only """
message = 'E' * 1 + pickle.dumps((type,
''.join(tb.format_exception(type, error, traceback))))
if self.pipe is not None:
self.pipe.put(message) |
def forloop(self, range, ordered=False, schedule=('static', 1)):
""" schedule can be
(sch, chunk) or sch;
sch is 'static', 'dynamic' or 'guided'.
chunk defaults to 1
if ordered, create an ordred
"""
if isinstance(schedule, tuple):
sc... |
def abort(self):
""" ensure the master exit from Barrier """
self.mutex.release()
self.turnstile.release()
self.mutex.release()
self.turnstile2.release() |
def read(self, n):
""" return at most n array items, move the cursor.
"""
while len(self.pool) < n:
self.cur = self.files.next()
self.pool = numpy.append(self.pool,
self.fetch(self.cur), axis=0)
rt = self.pool[:n]
if n == len(self.poo... |
def call(self, args, axis=0, out=None, chunksize=1024 * 1024, **kwargs):
""" axis is the axis to chop it off.
if self.altreduce is set, the results will
be reduced with altreduce and returned
otherwise will be saved to out, then return out.
"""
if self.altredu... |
def adapt(cls, source, template):
""" adapt source to a packarray according to the layout of template """
if not isinstance(template, packarray):
raise TypeError('template must be a packarray')
return cls(source, template.start, template.end) |
def argsort(data, out=None, chunksize=None,
baseargsort=None,
argmerge=None, np=None):
"""
parallel argsort, like numpy.argsort
use sizeof(intp) * len(data) as scratch space
use baseargsort for serial sort
ind = baseargsort(data)
use argmerge to merge
def ... |
def day_of_week(abbr=False):
"""Return a random (abbreviated if `abbr`) day of week name."""
if abbr:
return random.choice(DAYS_ABBR)
else:
return random.choice(DAYS) |
def month(abbr=False, numerical=False):
"""Return a random (abbreviated if `abbr`) month name or month number if
`numerical`.
"""
if numerical:
return random.randint(1, 12)
else:
if abbr:
return random.choice(MONTHS_ABBR)
else:
return random.choice(MON... |
def year(past=False, min_delta=0, max_delta=20):
"""Return a random year."""
return dt.date.today().year + _delta(past, min_delta, max_delta) |
def date(past=False, min_delta=0, max_delta=20):
"""Return a random `dt.date` object. Delta args are days."""
timedelta = dt.timedelta(days=_delta(past, min_delta, max_delta))
return dt.date.today() + timedelta |
def get_dictionary(dict_name):
"""
Load a dictionary file ``dict_name`` (if it's not cached) and return its
contents as an array of strings.
"""
global dictionaries_cache
if dict_name not in dictionaries_cache:
try:
dictionary_file = codecs.open(
join(DICTION... |
def check_digit(num):
"""Return a check digit of the given credit card number.
Check digit calculated using Luhn algorithm ("modulus 10")
See: http://www.darkcoding.net/credit-card/luhn-formula/
"""
sum = 0
# drop last digit, then reverse the number
digits = str(num)[:-1][::-1]
for i,... |
def number(type=None, length=None, prefixes=None):
"""
Return a random credit card number.
:param type: credit card type. Defaults to a random selection.
:param length: length of the credit card number.
Defaults to the length for the selected card type.
:param prefixes: allowed p... |
def street_number():
"""Return a random street number."""
length = int(random.choice(string.digits[1:6]))
return ''.join(random.sample(string.digits, length)) |
def zip_code():
"""Return a random ZIP code, either in `#####` or `#####-####` format."""
format = '#####'
if random.random() >= 0.5:
format = '#####-####'
result = ''
for item in format:
if item == '#':
result += str(random.randint(0, 9))
else:
resul... |
def phone():
"""Return a random phone number in `#-(###)###-####` format."""
format = '#-(###)###-####'
result = ''
for item in format:
if item == '#':
result += str(random.randint(0, 9))
else:
result += item
return result |
def job_title():
"""Return a random job title."""
result = random.choice(get_dictionary('job_titles')).strip()
result = result.replace('#{N}', job_title_suffix())
return result |
def body(quantity=2, separator='\n\n', wrap_start='', wrap_end='',
html=False, sentences_quantity=3, as_list=False):
"""Return a random email text."""
return lorem_ipsum.paragraphs(quantity=quantity, separator=separator,
wrap_start=wrap_start, wrap_end=wrap_end,
... |
def money(min=0, max=10):
"""Return a str of decimal with two digits after a decimal mark."""
value = random.choice(range(min * 100, max * 100))
return "%1.2f" % (float(value) / 100) |
def words(quantity=10, as_list=False):
"""Return random words."""
global _words
if not _words:
_words = ' '.join(get_dictionary('lorem_ipsum')).lower().\
replace('\n', '')
_words = re.sub(r'\.|,|;/', '', _words)
_words = _words.split(' ')
result = random.sample(_wor... |
def title(words_quantity=4):
"""Return a random sentence to be used as e.g. an e-mail subject."""
result = words(quantity=words_quantity)
result += random.choice('?.!')
return result.capitalize() |
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