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def get_inc ( self ) : """Get include directories of Visual C + + ."""
dirs = [ ] for part in [ '' , 'atlmfc' ] : include = os . path . join ( self . vc_dir , part , 'include' ) if os . path . isdir ( include ) : logging . info ( _ ( 'using include: %s' ) , include ) dirs . append ( include ) else : logging . debug ( _ ( 'include not found: %s' ) , incl...
def current_memory_usage ( ) : """Returns this programs current memory usage in bytes"""
import psutil proc = psutil . Process ( os . getpid ( ) ) # meminfo = proc . get _ memory _ info ( ) meminfo = proc . memory_info ( ) rss = meminfo [ 0 ] # Resident Set Size / Mem Usage vms = meminfo [ 1 ] # Virtual Memory Size / VM Size # NOQA return rss
def median_slitlets_rectified ( input_image , mode = 0 , minimum_slitlet_width_mm = EMIR_MINIMUM_SLITLET_WIDTH_MM , maximum_slitlet_width_mm = EMIR_MAXIMUM_SLITLET_WIDTH_MM , debugplot = 0 ) : """Compute median spectrum for each slitlet . Parameters input _ image : HDUList object Input 2D image . mode : int...
image_header = input_image [ 0 ] . header image2d = input_image [ 0 ] . data # check image dimensions naxis2_expected = EMIR_NBARS * EMIR_NPIXPERSLIT_RECTIFIED naxis2 , naxis1 = image2d . shape if naxis2 != naxis2_expected : raise ValueError ( "NAXIS2={0} should be {1}" . format ( naxis2 , naxis2_expected ) ) # che...
def on_delivery ( self , name , channel , method , properties , body ) : """Process a message from Rabbit : param str name : The connection name : param pika . channel . Channel channel : The message ' s delivery channel : param pika . frames . MethodFrame method : The method frame : param pika . spec . Bas...
message = data . Message ( name , channel , method , properties , body ) if self . is_processing : return self . pending . append ( message ) self . invoke_consumer ( message )
def read_existing_paths ( bt_table ) : """Return the SGF filename for each existing eval record ."""
rows = bt_table . read_rows ( filter_ = row_filters . ColumnRangeFilter ( METADATA , SGF_FILENAME , SGF_FILENAME ) ) names = ( row . cell_value ( METADATA , SGF_FILENAME ) . decode ( ) for row in rows ) processed = [ os . path . splitext ( os . path . basename ( r ) ) [ 0 ] for r in names ] return processed
def _create_execution_context ( self ) : """instantiates the internal query execution context based ."""
if hasattr ( self , '_database_link' ) : # client side partitioning query return base_execution_context . _MultiCollectionQueryExecutionContext ( self . _client , self . _options , self . _database_link , self . _query , self . _partition_key ) else : return execution_dispatcher . _ProxyQueryExecutionContext ( ...
def create_ve ( self , ** kwargs ) : """Add Ve Interface . Args : ve _ name : Ve name with which the Ve interface needs to be created . enable ( bool ) : If vrf fowarding should be enabled or disabled . Default : ` ` True ` ` . get ( bool ) : Get config instead of editing config . ( True , False ) rbr...
ve_name = kwargs . pop ( 've_name' , '' ) rbridge_id = kwargs . pop ( 'rbridge_id' , '1' ) enable = kwargs . pop ( 'enable' , True ) get = kwargs . pop ( 'get' , False ) callback = kwargs . pop ( 'callback' , self . _callback ) ve_args = dict ( name = ve_name , rbridge_id = rbridge_id ) if get : enable = None metho...
def upload_service_version ( self , service_zip_file , mode = 'production' , service_version = 'default' , service_id = None , ** kwargs ) : '''upload _ service _ version ( self , service _ zip _ file , mode = ' production ' , service _ version = ' default ' , service _ id = None , * * kwargs ) Upload a service v...
files = { 'service_file' : open ( service_zip_file , 'rb' ) } url_suffix = '/services/upload/%s' % mode if mode == 'production' : url_suffix += '/' + service_version if service_id : url_suffix += '/' + service_id if kwargs : url_suffix = url_suffix + '?' + urlencode ( kwargs ) return self . _call_rest_api (...
def _get_default_jp2_boxes ( self ) : """Create a default set of JP2 boxes ."""
# Try to create a reasonable default . boxes = [ JPEG2000SignatureBox ( ) , FileTypeBox ( ) , JP2HeaderBox ( ) , ContiguousCodestreamBox ( ) ] height = self . codestream . segment [ 1 ] . ysiz width = self . codestream . segment [ 1 ] . xsiz num_components = len ( self . codestream . segment [ 1 ] . xrsiz ) if num_comp...
def remove_dependency ( self , p_from_todo , p_to_todo , p_leave_tags = False ) : """Removes a dependency between two todos ."""
dep_id = p_from_todo . tag_value ( 'id' ) if dep_id : self . _depgraph . remove_edge ( hash ( p_from_todo ) , hash ( p_to_todo ) ) self . dirty = True # clean dangling dependency tags if dep_id and not p_leave_tags : p_to_todo . remove_tag ( 'p' , dep_id ) if not self . children ( p_from_todo , True ) :...
def pre_attention ( self , segment , query_antecedent , memory_antecedent , bias ) : """Called prior to self - attention , to incorporate memory items . Args : segment : an integer Tensor with shape [ batch ] query _ antecedent : a Tensor with shape [ batch , length _ q , channels ] memory _ antecedent : mu...
assert memory_antecedent is None , "We only support language modeling" # In eval mode , batch size may be variable memory_batch_size = tf . shape ( self . previous_vals ) [ 0 ] current_batch_size = tf . shape ( query_antecedent ) [ 0 ] amount_to_pad = memory_batch_size - current_batch_size # If segment id is zero , don...
def create_entry ( self , group , ** kwargs ) : """Create a new Entry object . The group which should hold the entry is needed . image must be an unsigned int > 0 , group a Group . : param group : The associated group . : keyword title : : keyword icon : : keyword url : : keyword username : : keywor...
if group not in self . groups : raise ValueError ( "Group doesn't exist / is not bound to this database." ) uuid = binascii . hexlify ( get_random_bytes ( 16 ) ) entry = Entry ( uuid = uuid , group_id = group . id , created = util . now ( ) , modified = util . now ( ) , accessed = util . now ( ) , ** kwargs ) self ...
def output_package ( dist ) : """Return string displaying package information ."""
if dist_is_editable ( dist ) : return '%s (%s, %s)' % ( dist . project_name , dist . version , dist . location , ) return '%s (%s)' % ( dist . project_name , dist . version )
def addresses ( self ) : """Return a new raw REST interface to address resources : rtype : : py : class : ` ns1 . rest . ipam . Adresses `"""
import ns1 . rest . ipam return ns1 . rest . ipam . Addresses ( self . config )
def __ensure_suffix_stem ( t , suffix ) : """Ensure that the target t has the given suffix , and return the file ' s stem ."""
tpath = str ( t ) if not tpath . endswith ( suffix ) : stem = tpath tpath += suffix return tpath , stem else : stem , ext = os . path . splitext ( tpath ) return t , stem
def run_job ( job_ini , log_level = 'info' , log_file = None , exports = '' , username = getpass . getuser ( ) , ** kw ) : """Run a job using the specified config file and other options . : param str job _ ini : Path to calculation config ( INI - style ) files . : param str log _ level : ' debug ' , ' info ...
job_id = logs . init ( 'job' , getattr ( logging , log_level . upper ( ) ) ) with logs . handle ( job_id , log_level , log_file ) : job_ini = os . path . abspath ( job_ini ) oqparam = eng . job_from_file ( job_ini , job_id , username , ** kw ) kw [ 'username' ] = username eng . run_calc ( job_id , oqpar...
def plot ( self , varnames = None , ranefs = True , transformed = False , combined = False , hist = False , bins = 20 , kind = 'trace' ) : '''Plots posterior distributions and sample traces . Basically a wrapperfor pm . traceplot ( ) plus some niceties , based partly on code from : https : / / pymc - devs . git...
def _plot_row ( data , row , title , hist = True ) : # density plot axes [ row , 0 ] . set_title ( title ) if pma is not None : arr = np . atleast_2d ( data . values . T ) . T pma . kdeplot_op ( axes [ row , 0 ] , arr , bw = 4.5 ) else : data . plot ( kind = 'kde' , ax = axes [ row ,...
def get_variables ( self , missing_in_geno = None ) : """Extract the complete set of data based on missingness over all for the current locus . : param missing _ in _ geno : mask associated with missingness in genotype : return : ( phenotypes , covariates , nonmissing used for this set of vars )"""
count = 0 mismatch = 0 if missing_in_geno is None : nonmissing = numpy . invert ( self . missing [ self . idx ] ) else : nonmissing = numpy . invert ( self . missing [ self . idx ] | missing_in_geno ) nmcount = sum ( nonmissing ) covars = numpy . zeros ( ( self . covar_count , nmcount ) ) for idx in range ( 0 ,...
def _publish_grade ( self , score , only_if_higher = None ) : """Publish a grade to the runtime ."""
grade_dict = { 'value' : score . raw_earned , 'max_value' : score . raw_possible , 'only_if_higher' : only_if_higher , } self . runtime . publish ( self , 'grade' , grade_dict )
def bind ( self , * args , ** kw ) : """Bind environment variables into this object ' s scope ."""
new_self = self . copy ( ) new_scopes = Object . translate_to_scopes ( * args , ** kw ) new_self . _scopes = tuple ( reversed ( new_scopes ) ) + new_self . _scopes return new_self
def lv_line_load ( network ) : """Checks for over - loading issues in LV grids . Parameters network : : class : ` ~ . grid . network . Network ` Returns : pandas : ` pandas . DataFrame < dataframe > ` Dataframe containing over - loaded LV lines , their maximum relative over - loading and the correspondi...
crit_lines = pd . DataFrame ( ) for lv_grid in network . mv_grid . lv_grids : crit_lines = _line_load ( network , lv_grid , crit_lines ) if not crit_lines . empty : logger . debug ( '==> {} line(s) in LV grids has/have load issues.' . format ( crit_lines . shape [ 0 ] ) ) else : logger . debug ( '==> No lin...
def set_env ( envName , envValue ) : """设置环境变量 : params envName : env名字 : params envValue : 值"""
os . environ [ envName ] = os . environ [ envName ] + ':' + envValue
def get_my_credits ( self , access_token = None , user_id = None ) : """Get the credits by user to use in the QX Platform"""
if access_token : self . req . credential . set_token ( access_token ) if user_id : self . req . credential . set_user_id ( user_id ) if not self . check_credentials ( ) : raise CredentialsError ( 'credentials invalid' ) else : user_data_url = '/users/' + self . req . credential . get_user_id ( ) us...
def register_get ( self , regex , callback ) : """Register a regex for processing HTTP GET requests . If the callback is None , any existing registration is removed ."""
if callback is None : # pragma : no cover if regex in self . get_registrations : del self . get_registrations [ regex ] else : self . get_registrations [ regex ] = ( re . compile ( regex ) , callback )
def array_to_string ( array , col_delim = ' ' , row_delim = '\n' , digits = 8 , value_format = '{}' ) : """Convert a 1 or 2D array into a string with a specified number of digits and delimiter . The reason this exists is that the basic numpy array to string conversions are surprisingly bad . Parameters arra...
# convert inputs to correct types array = np . asanyarray ( array ) digits = int ( digits ) row_delim = str ( row_delim ) col_delim = str ( col_delim ) value_format = str ( value_format ) # abort for non - flat arrays if len ( array . shape ) > 2 : raise ValueError ( 'conversion only works on 1D/2D arrays not %s!' ...
def write_packed ( self , outfile , rows ) : """Write PNG file to ` outfile ` . The pixel data comes from ` rows ` which should be in boxed row packed format . Each row should be a sequence of packed bytes . Technically , this method does work for interlaced images but it is best avoided . For interlaced im...
return self . write_passes ( outfile , rows , packed = True )
def project_and_to2dim ( self , pps , plane_center ) : """Projects the list of points pps to the plane and changes the basis from 3D to the 2D basis of the plane : param pps : List of points to be projected : return : : raise :"""
proj = self . projectionpoints ( pps ) [ u1 , u2 , u3 ] = self . orthonormal_vectors ( ) PP = np . array ( [ [ u1 [ 0 ] , u2 [ 0 ] , u3 [ 0 ] ] , [ u1 [ 1 ] , u2 [ 1 ] , u3 [ 1 ] ] , [ u1 [ 2 ] , u2 [ 2 ] , u3 [ 2 ] ] ] ) xypps = list ( ) for pp in proj : xyzpp = np . dot ( pp , PP ) xypps . append ( xyzpp [ 0 ...
def decimate ( self , target_reduction , volume_preservation = False , attribute_error = False , scalars = True , vectors = True , normals = False , tcoords = True , tensors = True , scalars_weight = 0.1 , vectors_weight = 0.1 , normals_weight = 0.1 , tcoords_weight = 0.1 , tensors_weight = 0.1 , inplace = False ) : ...
# create decimation filter decimate = vtk . vtkQuadricDecimation ( ) # vtkDecimatePro as well decimate . SetVolumePreservation ( volume_preservation ) decimate . SetAttributeErrorMetric ( attribute_error ) decimate . SetScalarsAttribute ( scalars ) decimate . SetVectorsAttribute ( vectors ) decimate . SetNormalsAttribu...
def determine_hbonds_for_drawing ( self , analysis_cutoff ) : """Since plotting all hydrogen bonds could lead to a messy plot , a cutoff has to be imple - mented . In this function the frequency of each hydrogen bond is summated and the total compared against analysis cutoff - a fraction multiplied by trajector...
self . frequency = defaultdict ( int ) for traj in self . hbonds_by_type : for bond in self . hbonds_by_type [ traj ] : # frequency [ ( residue _ atom _ idx , ligand _ atom _ name , residue _ atom _ name ) ] = frequency # residue atom name will be used to determine if hydrogen bond is interacting with a sidecha...
def add_text ( self , text ) : """Add a text node to this element . Adding text with this method is subtly different from assigning a new text value with : meth : ` text ` accessor , because it " appends " to rather than replacing this element ' s set of text nodes . : param text : text content to add to th...
if not isinstance ( text , basestring ) : text = unicode ( text ) self . _add_text ( self . impl_node , text )
def get_custom_annotations_for_alias ( data_type ) : """Given a Stone data type , returns all custom annotations applied to it ."""
# annotations can only be applied to Aliases , but they can be wrapped in # Nullable . also , Aliases pointing to other Aliases don ' t automatically # inherit their custom annotations , so we might have to traverse . result = [ ] data_type , _ = unwrap_nullable ( data_type ) while is_alias ( data_type ) : result ....
def normalize_tag ( tag ) : """Normalize an XML element tree ` tag ` into the tuple format . The following input formats are accepted : * ElementTree namespaced string , e . g . ` ` { uri : bar } foo ` ` * Unnamespaced tags , e . g . ` ` foo ` ` * Two - tuples consisting of ` namespace _ uri ` and ` localpa...
if isinstance ( tag , str ) : namespace_uri , sep , localname = tag . partition ( "}" ) if sep : if not namespace_uri . startswith ( "{" ) : raise ValueError ( "not a valid etree-format tag" ) namespace_uri = namespace_uri [ 1 : ] else : localname = namespace_uri ...
def bulk ( iterable , index = INDEX_NAME , doc_type = DOC_TYPE , action = 'index' ) : """Wrapper of elasticsearch ' s bulk method Converts an interable of models to document operations and submits them to Elasticsearch . Returns a count of operations when done . https : / / elasticsearch - py . readthedocs . ...
actions = compact ( dict_to_op ( to_dict ( model ) , index_name = INDEX_NAME , doc_type = DOC_TYPE , op_type = action , ) for model in iterable ) # fail fast if there are no actions if not actions : return 0 items , _ = es_bulk ( es_conn , actions , doc_type = doc_type , index = index ) return items
def chain ( * args ) : """itertools . chain , just better"""
has_iter = partial ( hasattr , name = '__iter__' ) # check if a single iterable is being passed for # the case that it ' s a generator of generators if len ( args ) == 1 and hasattr ( args [ 0 ] , '__iter__' ) : args = args [ 0 ] for arg in args : # if the arg is iterable if hasattr ( arg , '__iter__' ) : # ite...
def get_lookup ( self , operator ) : """Look up a lookup . : param operator : Name of the lookup operator"""
try : return self . _lookups [ operator ] except KeyError : raise NotImplementedError ( "Lookup operator '{}' is not supported" . format ( operator ) )
def _expand_group_by_fields ( cls , model , fields ) : """Expand FK fields into all related object ' s fields to avoid future lookups . : param fields : fields to " group by " : return : expanded fields"""
# Containers for resulting fields and related model fields res = [ ] related = { } # Add own fields and populate related fields for field_name in fields : if '__' in field_name : # Related model field : append to related model ' s fields fk_field_name , related_field = field_name . split ( '__' , 1 ) ...
def send ( self , text ) : """Send a string to the PiLite , can be simple text or a $ $ $ command"""
# print text self . s . write ( text ) time . sleep ( 0.001 * len ( text ) )
def onehot_encode ( dataset , char_indices , maxlen ) : """One hot encode the tokens Args : dataset list of lists of tokens char _ indices dictionary of { key = character , value = index to use encoding vector } maxlen int Length of each sample Return : np array of shape ( samples , tokens , encoding le...
X = np . zeros ( ( len ( dataset ) , maxlen , len ( char_indices . keys ( ) ) ) ) for i , sentence in enumerate ( dataset ) : for t , char in enumerate ( sentence ) : X [ i , t , char_indices [ char ] ] = 1 return X
def sort_public_keys ( pub_keys : List [ bytes ] or List [ str ] ) : """: param pub _ keys : a list of public keys in format of bytes . : return : sorted public keys ."""
for index , key in enumerate ( pub_keys ) : if isinstance ( key , str ) : pub_keys [ index ] = bytes . fromhex ( key ) return sorted ( pub_keys , key = ProgramBuilder . compare_pubkey )
def list_semod ( ) : '''Return a structure listing all of the selinux modules on the system and what state they are in CLI Example : . . code - block : : bash salt ' * ' selinux . list _ semod . . versionadded : : 2016.3.0'''
helptext = __salt__ [ 'cmd.run' ] ( 'semodule -h' ) . splitlines ( ) semodule_version = '' for line in helptext : if line . strip ( ) . startswith ( 'full' ) : semodule_version = 'new' if semodule_version == 'new' : mdata = __salt__ [ 'cmd.run' ] ( 'semodule -lfull' ) . splitlines ( ) ret = { } ...
def record_padding ( self , iso_size ) : # type : ( int ) - > bytes '''A method to record padding for the ISO hybridization . Parameters : iso _ size - The size of the ISO , excluding the hybridization . Returns : A string of zeros the right size to pad the ISO .'''
if not self . _initialized : raise pycdlibexception . PyCdlibInternalError ( 'This IsoHybrid object is not yet initialized' ) return b'\x00' * self . _calc_cc ( iso_size ) [ 1 ]
def get_title ( self ) : """Get title line from . rst file . * * 中文文档 * * 从一个 ` ` _ filename ` ` 所指定的 . rst 文件中 , 找到顶级标题 . 也就是第一个 ` ` = = = = ` ` 或 ` ` - - - - ` ` 或 ` ` ~ ~ ~ ~ ` ` 上面一行 ."""
header_bar_char_list = "=-~+*#^" cursor_previous_line = None for cursor_line in textfile . readlines ( self . rst_path , strip = "both" ) : for header_bar_char in header_bar_char_list : if cursor_line . startswith ( header_bar_char ) : flag_full_bar_char = cursor_line == header_bar_char * len ( ...
def _generate_results ( self , output_dir , labels , results ) : """Creates multiple results files in ` output _ dir ` based on ` results ` . For each label in ` labels ` , create three results file , containing those n - grams with that label that first occurred , only occurred , and last occurred in that la...
ngrams = { } for idx , label in enumerate ( labels ) : now_results = results [ results [ constants . LABEL_FIELDNAME ] == label ] earlier_labels = labels [ : idx ] earlier_ngrams = results [ results [ constants . LABEL_FIELDNAME ] . isin ( earlier_labels ) ] [ constants . NGRAM_FIELDNAME ] . values late...
def retry_mkstemp ( suffix = '' , prefix = 'tmp' , directory = None , max_retries = 3 ) : """Make mkstemp more robust against AFS glitches ."""
if directory is None : directory = current_app . config [ 'CFG_TMPSHAREDDIR' ] for retry_count in range ( 1 , max_retries + 1 ) : try : tmp_file_fd , tmp_file_name = tempfile . mkstemp ( suffix = suffix , prefix = prefix , dir = directory ) except OSError as e : if e . errno == 19 and retry_...
def encode_params ( self , data = None , ** kwargs ) : """Build the body for a application / json request ."""
if isinstance ( data , basestring ) : raise ValueError ( "Data must not be a string." ) if data is None : return b"" , self . content_type fields = to_key_val_dict ( data or "" ) try : body = json . dumps ( fields ) except : body = json . dumps ( fields , encoding = 'latin-1' ) return str ( body ) . enc...
def _parse ( self ) : """Checks if the CPE Name is valid . : returns : None : exception : ValueError - bad - formed CPE Name"""
# Check prefix and initial bracket of WFN if self . _str [ 0 : 5 ] != CPE2_3_WFN . CPE_PREFIX : errmsg = "Bad-formed CPE Name: WFN prefix not found" raise ValueError ( errmsg ) # Check final backet if self . _str [ - 1 : ] != "]" : errmsg = "Bad-formed CPE Name: final bracket of WFN not found" raise Val...
def get_lines ( self ) : """因为历史列表动态更新 , 需要刷新"""
self . lines = [ ] width = self . screen_width - 24 if self . state == 0 : # 播放列表 for index , i in enumerate ( self . win . playlist ) : line = i [ 'title' ] if len ( i [ 'title' ] ) < width else i [ 'title' ] [ : width ] line = color_func ( self . c [ 'PLAYINGSONG' ] [ 'title' ] ) ( line ) ...
def to ( self , space ) : """Convert color to a different color space . : param str space : Name of the color space . : rtype : Color : returns : A new spectra . Color in the given color space ."""
if space == self . space : return self new_color = convert_color ( self . color_object , COLOR_SPACES [ space ] ) return self . __class__ ( space , * new_color . get_value_tuple ( ) )
def debug_lvl_from_env ( ) : """Read and return ` DM _ SQUARE _ DEBUG ` env var , if defined . Raises RuntimeError If DM _ SQUARE _ DEBUG is not an int convertable value"""
debug_lvl = os . environ . get ( 'DM_SQUARE_DEBUG' ) if not debug_lvl : return 0 try : debug_lvl = int ( debug_lvl ) except ValueError : # ensure that logging is configured as this method is likely to be # called prior to configuring logging . setup_logging ( verbosity = 1 ) raise RuntimeError ( textwra...
def create_powerflow_problem ( timerange , components ) : """Create PyPSA network object and fill with data Parameters timerange : Pandas DatetimeIndex Time range to be analyzed by PF components : dict Returns network : PyPSA powerflow problem object"""
# initialize powerflow problem network , snapshots = init_pypsa_network ( timerange ) # add components to network for component in components . keys ( ) : network . import_components_from_dataframe ( components [ component ] , component ) return network , snapshots
def make_counts ( n_samples = 1000 , n_features = 100 , n_informative = 2 , scale = 1.0 , chunks = 100 , random_state = None , ) : """Generate a dummy dataset for modeling count data . Parameters n _ samples : int number of rows in the output array n _ features : int number of columns ( features ) in the ...
rng = dask_ml . utils . check_random_state ( random_state ) X = rng . normal ( 0 , 1 , size = ( n_samples , n_features ) , chunks = ( chunks , n_features ) ) informative_idx = rng . choice ( n_features , n_informative , chunks = n_informative ) beta = ( rng . random ( n_features , chunks = n_features ) - 1 ) * scale in...
def _event_duration ( vevent ) : """unify dtend and duration to the duration of the given vevent"""
if hasattr ( vevent , 'dtend' ) : return vevent . dtend . value - vevent . dtstart . value elif hasattr ( vevent , 'duration' ) and vevent . duration . value : return vevent . duration . value return timedelta ( 0 )
def poke ( library , session , address , width , data ) : """Writes an 8 , 16 or 32 - bit value from the specified address . Corresponds to viPoke * functions of the VISA library . : param library : the visa library wrapped by ctypes . : param session : Unique logical identifier to a session . : param addre...
if width == 8 : return poke_8 ( library , session , address , data ) elif width == 16 : return poke_16 ( library , session , address , data ) elif width == 32 : return poke_32 ( library , session , address , data ) raise ValueError ( '%s is not a valid size. Valid values are 8, 16 or 32' % width )
def sortino_ratio ( returns , required_return = 0 , period = DAILY , annualization = None , out = None , _downside_risk = None ) : """Determines the Sortino ratio of a strategy . Parameters returns : pd . Series or np . ndarray or pd . DataFrame Daily returns of the strategy , noncumulative . - See full exp...
allocated_output = out is None if allocated_output : out = np . empty ( returns . shape [ 1 : ] ) return_1d = returns . ndim == 1 if len ( returns ) < 2 : out [ ( ) ] = np . nan if return_1d : out = out . item ( ) return out adj_returns = np . asanyarray ( _adjust_returns ( returns , required_re...
def help ( * args ) : """Prints help ."""
from . import commands parser = argparse . ArgumentParser ( prog = "%s %s" % ( __package__ , help . __name__ ) , description = help . __doc__ ) parser . add_argument ( 'COMMAND' , help = "command to show help for" , nargs = "?" , choices = __all__ ) args = parser . parse_args ( args ) if args . COMMAND : for l in g...
def res_layer ( self , output_channels , filter_size = 3 , stride = 1 , activation_fn = tf . nn . relu , bottle = False , trainable = True ) : """Residual Layer : Input - > BN , Act _ fn , Conv1 , BN , Act _ fn , Conv 2 - > Output . Return : Input + Output If stride > 1 or number of filters changes , decrease dim...
self . count [ 'rn' ] += 1 scope = 'resnet_' + str ( self . count [ 'rn' ] ) input_channels = self . input . get_shape ( ) [ 3 ] with tf . variable_scope ( scope ) : # Determine Additive Output if dimensions change # Decrease Input dimension with 1 x 1 Conv Layer with stride > 1 if ( stride != 1 ) or ( input_channe...
def match ( self , sampling_req ) : """Determines whether or not this sampling rule applies to the incoming request based on some of the request ' s parameters . Any ` ` None ` ` parameter provided will be considered an implicit match ."""
if sampling_req is None : return False host = sampling_req . get ( 'host' , None ) method = sampling_req . get ( 'method' , None ) path = sampling_req . get ( 'path' , None ) service = sampling_req . get ( 'service' , None ) service_type = sampling_req . get ( 'service_type' , None ) return ( not host or wildcard_m...
async def on_isupport_maxchannels ( self , value ) : """Old version of CHANLIMIT ."""
if 'CHANTYPES' in self . _isupport and 'CHANLIMIT' not in self . _isupport : self . _channel_limits = { } prefixes = self . _isupport [ 'CHANTYPES' ] # Assume the limit is for all types of channels . Make a single group for all types . self . _channel_limits [ frozenset ( prefixes ) ] = int ( value ) ...
def get_historical_klines ( symbol , interval , start_str , end_str = None ) : """Get Historical Klines from Binance See dateparse docs for valid start and end string formats http : / / dateparser . readthedocs . io / en / latest / If using offset strings for dates add " UTC " to date string e . g . " now UTC "...
# create the Binance client , no need for api key client = Client ( "" , "" ) # init our list output_data = [ ] # setup the max limit limit = 500 # convert interval to useful value in seconds timeframe = interval_to_milliseconds ( interval ) # convert our date strings to milliseconds start_ts = date_to_milliseconds ( s...
def onStart ( self ) : """Override onStart method for npyscreen"""
curses . mousemask ( 0 ) self . paths . host_config ( ) version = Version ( ) # setup initial runtime stuff if self . first_time [ 0 ] and self . first_time [ 1 ] != 'exists' : system = System ( ) thr = Thread ( target = system . start , args = ( ) , kwargs = { } ) thr . start ( ) countdown = 60 whi...
def write_to_file ( chats , chatfile ) : """called every time chats are modified"""
with open ( chatfile , 'w' ) as handler : handler . write ( '\n' . join ( ( str ( id_ ) for id_ in chats ) ) )
def cpus ( self , cpus ) : """Sets the number of vCPUs this QEMU VM . : param cpus : number of vCPUs ."""
log . info ( 'QEMU VM "{name}" [{id}] has set the number of vCPUs to {cpus}' . format ( name = self . _name , id = self . _id , cpus = cpus ) ) self . _cpus = cpus
def trunk_mode ( self , ** kwargs ) : """Set trunk mode ( trunk , trunk - no - default - vlan ) . Args : int _ type ( str ) : Type of interface . ( gigabitethernet , tengigabitethernet , etc ) name ( str ) : Name of interface . ( 1/0/5 , 1/0/10 , etc ) mode ( str ) : Trunk port mode ( trunk , trunk - no -...
int_type = kwargs . pop ( 'int_type' ) . lower ( ) name = kwargs . pop ( 'name' ) mode = kwargs . pop ( 'mode' ) . lower ( ) get = kwargs . pop ( 'get' , False ) callback = kwargs . pop ( 'callback' , self . _callback ) int_types = [ 'gigabitethernet' , 'tengigabitethernet' , 'fortygigabitethernet' , 'hundredgigabiteth...
def derivative ( self , point ) : """Return the derivative in ` ` point ` ` . The derivative of the gradient is often called the Hessian . Parameters point : ` domain ` ` element - like ` The point that the derivative should be taken in . Returns derivative : ` NumericalDerivative ` Numerical estimate...
return NumericalDerivative ( self , point , method = self . method , step = np . sqrt ( self . step ) )
def ResolveMulti ( self , subject , attributes , timestamp = None , limit = None ) : """Resolves multiple attributes at once for one subject ."""
for attribute in attributes : query , args = self . _BuildQuery ( subject , attribute , timestamp , limit ) result , _ = self . ExecuteQuery ( query , args ) for row in result : value = self . _Decode ( attribute , row [ "value" ] ) yield ( attribute , value , row [ "timestamp" ] ) if li...
def qteMacroData ( self , widgetObj : QtGui . QWidget = None ) : """Retrieve ` ` widgetObj ` ` specific data previously saved with ` ` qteSaveMacroData ` ` . If no data has been stored previously then * * None * * is returned . If ` ` widgetObj ` ` is * * None * * then the calling widget ` ` self . qteWid...
# Check type of input arguments . if not hasattr ( widgetObj , '_qteAdmin' ) and ( widgetObj is not None ) : msg = '<widgetObj> was probably not added with <qteAddWidget>' msg += ' method because it lacks the <_qteAdmin> attribute.' raise QtmacsOtherError ( msg ) # If no widget was specified then use the ca...
def update_table ( self , table , pks = [ 'id' ] ) : """Update records in a database table from the main dataframe"""
if self . _check_db ( ) is False : return try : table = self . db [ table ] except Exception as e : self . err ( e , "Can not find table " + table ) if self . db is None : msg = "Please connect a database before or provide a database url" self . err ( msg ) return recs = self . to_records_ ( ) f...
def _parse_head ( heads , head_grads ) : """parse head gradient for backward and grad ."""
if isinstance ( heads , NDArray ) : heads = [ heads ] if isinstance ( head_grads , NDArray ) : head_grads = [ head_grads ] head_handles = c_handle_array ( heads ) if head_grads is None : hgrad_handles = ctypes . c_void_p ( 0 ) else : assert len ( heads ) == len ( head_grads ) , "heads and head_grads mus...
def _recv_nack ( self , method_frame ) : '''Receive a nack from the broker .'''
if self . _nack_listener : delivery_tag = method_frame . args . read_longlong ( ) multiple , requeue = method_frame . args . read_bits ( 2 ) if multiple : while self . _last_ack_id < delivery_tag : self . _last_ack_id += 1 self . _nack_listener ( self . _last_ack_id , requeue...
def ParseOptions ( cls , options , configuration_object ) : """Parses and validates options . Args : options ( argparse . Namespace ) : parser options . configuration _ object ( CLITool ) : object to be configured by the argument helper . Raises : BadConfigObject : when the configuration object is of th...
if not isinstance ( configuration_object , tools . CLITool ) : raise errors . BadConfigObject ( 'Configuration object is not an instance of CLITool' ) data_location = cls . _ParseStringOption ( options , 'data_location' ) if not data_location : # Determine the source root path , which is 3 directories up from # the...
def cmd ( send , msg , args ) : """Gets a random FML post . Syntax : { command }"""
req = get ( "http://api.fmylife.com/view/random" , params = { 'language' : 'en' , 'key' : args [ 'config' ] [ 'api' ] [ 'fmlkey' ] } ) doc = fromstring ( req . content ) send ( doc . xpath ( '//text' ) [ 0 ] . text )
def encrypt_file ( cls , key , in_filename , out_filename = None , chunksize = 64 * 1024 ) : """Encrypts a file using AES ( CBC mode ) with the given key . key : The encryption key - a string that must be either 16 , 24 or 32 bytes long . Longer keys are more secure . in _ filename : Name of the input...
if not out_filename : out_filename = in_filename + '.enc' iv = '' . join ( chr ( random . randint ( 0 , 0xFF ) ) for _ in range ( 16 ) ) encryptor = AES . new ( key , AES . MODE_CBC , iv ) filesize = os . path . getsize ( in_filename ) with open ( in_filename , 'rb' ) as infile : with open ( out_filename , 'wb'...
def _pretty_time_delta ( td ) : """Creates a string representation of a time delta . Parameters td : : class : ` datetime . timedelta ` Returns pretty _ formatted _ datetime : str"""
seconds = td . total_seconds ( ) sign_string = '-' if seconds < 0 else '' seconds = abs ( int ( seconds ) ) days , seconds = divmod ( seconds , 86400 ) hours , seconds = divmod ( seconds , 3600 ) minutes , seconds = divmod ( seconds , 60 ) d = dict ( sign = sign_string , days = days , hours = hours , minutes = minutes ...
def add_application ( self , application , sync = True ) : """add a application to this company . : param application : the application to add on this company : param sync : If sync = True ( default ) synchronize with Ariane server . If sync = False , add the application object on list to be added on next sav...
LOGGER . debug ( "Company.add_application" ) if not sync : self . applications_2_add . append ( application ) else : if application . id is None : application . save ( ) if self . id is not None and application . id is not None : params = { 'id' : self . id , 'applicationID' : application . ...
def handle_data ( self , data ) : '''Method called for each event by zipline . In intuition this is the place to factorize algorithms and then call event ( )'''
self . days += 1 signals = { } self . orderbook = { } # Everytime but the first tick if self . initialized and self . manager : # Keep the portfolio aware of the situation self . manager . update ( self . portfolio , self . datetime , self . perf_tracker . cumulative_risk_metrics . to_dict ( ) ) else : # Perf _ tra...
def fs_obj_move ( self , source , destination , flags ) : """Moves a file system object ( file , directory , symlink , etc ) from one guest location to another . This differs from : py : func : ` IGuestSession . fs _ obj _ rename ` in that it can move accross file system boundraries . In that case it will p...
if not isinstance ( source , basestring ) : raise TypeError ( "source can only be an instance of type basestring" ) if not isinstance ( destination , basestring ) : raise TypeError ( "destination can only be an instance of type basestring" ) if not isinstance ( flags , list ) : raise TypeError ( "flags can ...
def allowed_transitions ( constraint_type : str , labels : Dict [ int , str ] ) -> List [ Tuple [ int , int ] ] : """Given labels and a constraint type , returns the allowed transitions . It will additionally include transitions for the start and end states , which are used by the conditional random field . P...
num_labels = len ( labels ) start_tag = num_labels end_tag = num_labels + 1 labels_with_boundaries = list ( labels . items ( ) ) + [ ( start_tag , "START" ) , ( end_tag , "END" ) ] allowed = [ ] for from_label_index , from_label in labels_with_boundaries : if from_label in ( "START" , "END" ) : from_tag = f...
def __get_match_result ( self , ret , ret2 ) : """Getting match result"""
if self . another_compare == "__MATCH_AND__" : return ret and ret2 elif self . another_compare == "__MATCH_OR__" : return ret or ret2 return ret
def _filtering_result_checked ( self , by_or ) : '''Check if post passes all / at _ least _ one ( by _ or parameter ) filter ( s ) . Filters are evaluated on only - if - necessary ( " lazy " ) basis .'''
filters , results = it . imap ( set , ( self . feed . filters . all ( ) , self . filtering_results . values_list ( 'filter' , flat = True ) ) ) # Check if conclusion can already be made , based on cached results . if results . issubset ( filters ) : # If at least one failed / passed test is already there , and / or out...
def _break_reads ( self , contig , position , fout , min_read_length = 250 ) : '''Get all reads from contig , but breaks them all at given position ( 0 - based ) in the reference . Writes to fout . Currently pproximate where it breaks ( ignores indels in the alignment )'''
sam_reader = pysam . Samfile ( self . bam , "rb" ) for read in sam_reader . fetch ( contig ) : seqs = [ ] if read . pos < position < read . reference_end - 1 : split_point = position - read . pos if split_point - 1 >= min_read_length : sequence = mapping . aligned_read_to_read ( read...
def get_fun_prop ( f , k ) : """Get the value of property ` k ` from function ` f ` . We define properties as annotations added to a function throughout the process of defining a function for verification , e . g . the argument types . If ` f ` does not have a property named ` k ` , this throws an error . I...
if not has_fun_prop ( f , k ) : raise InternalError ( "Function %s has no property %s" % ( str ( f ) , k ) ) return getattr ( f , _FUN_PROPS ) [ k ]
def safe_str ( value ) : """Returns : * a ` str ` instance ( bytes ) in Python 2 . x , or * a ` str ` instance ( Unicode ) in Python 3 . x ."""
if sys . version_info < ( 3 , 0 ) and isinstance ( value , unicode ) : return value . encode ( 'utf-8' ) else : return str ( value )
def run ( items , background = None ) : """Detect copy number variations from batched set of samples using GATK4 CNV calling . TODO : implement germline calling with DetermineGermlineContigPloidy and GermlineCNVCaller"""
if not background : background = [ ] paired = vcfutils . get_paired ( items + background ) if paired : out = _run_paired ( paired ) else : out = items logger . warn ( "GATK4 CNV calling currently only available for somatic samples: %s" % ", " . join ( [ dd . get_sample_name ( d ) for d in items + backgr...
def _set_topMargin ( self , value ) : """value will be an int or float . Subclasses may override this method ."""
bounds = self . bounds if bounds is None : self . height = value else : xMin , yMin , xMax , yMax = bounds self . height = yMax + value
def filter ( self , * filt , ** kwargs ) : """Filter this ` TimeSeries ` with an IIR or FIR filter Parameters * filt : filter arguments 1 , 2 , 3 , or 4 arguments defining the filter to be applied , - an ` ` Nx1 ` ` ` ~ numpy . ndarray ` of FIR coefficients - an ` ` Nx6 ` ` ` ~ numpy . ndarray ` of SOS co...
# parse keyword arguments filtfilt = kwargs . pop ( 'filtfilt' , False ) # parse filter form , filt = filter_design . parse_filter ( filt , analog = kwargs . pop ( 'analog' , False ) , sample_rate = self . sample_rate . to ( 'Hz' ) . value , ) if form == 'zpk' : try : sos = signal . zpk2sos ( * filt ) e...
def get_tree_type ( tree ) : """Return the ( sub ) tree type : ' root ' , ' nucleus ' , ' satellite ' , ' text ' or ' leaf ' Parameters tree : nltk . tree . ParentedTree a tree representing a rhetorical structure ( or a part of it )"""
if is_leaf_node ( tree ) : return SubtreeType . leaf tree_type = tree . label ( ) . lower ( ) . split ( ':' ) [ 0 ] assert tree_type in SUBTREE_TYPES return tree_type
def _func_copy ( f , newcode ) : '''Return a copy of function f with a different _ _ code _ _ Because I can ' t find proper documentation on the correct signature of the types . FunctionType ( ) constructor , I pass the minimum arguments then set the important dunder - values by direct assignment . Note y...
newf = types . FunctionType ( newcode , f . __globals__ ) newf . __annotations__ = f . __annotations__ # newf . _ _ closure _ _ = f . _ _ closure _ _ newf . __defaults__ = f . __defaults__ newf . __doc__ = f . __doc__ newf . __name__ = f . __name__ newf . __kwdefaults__ = f . __kwdefaults__ newf . __qualname__ = f . __...
def setSignals ( self , vehID , signals ) : """setSignals ( string , integer ) - > None Sets an integer encoding the state of the vehicle ' s signals ."""
self . _connection . _sendIntCmd ( tc . CMD_SET_VEHICLE_VARIABLE , tc . VAR_SIGNALS , vehID , signals )
def uri_from_parts ( parts ) : "simple function to merge three parts into an uri"
uri = "%s://%s%s" % ( parts [ 0 ] , parts [ 1 ] , parts [ 2 ] ) if parts [ 3 ] : extra = '?' + urlencode ( parts [ 3 ] ) uri += extra return uri
def get_recent_posts ( blog_id , username , password , number ) : """metaWeblog . getRecentPosts ( blog _ id , username , password , number ) = > post structure [ ]"""
user = authenticate ( username , password ) site = Site . objects . get_current ( ) return [ post_structure ( entry , site ) for entry in Entry . objects . filter ( authors = user ) [ : number ] ]
def _available ( name , ret ) : '''Check if the service is available'''
avail = False if 'service.available' in __salt__ : avail = __salt__ [ 'service.available' ] ( name ) elif 'service.get_all' in __salt__ : avail = name in __salt__ [ 'service.get_all' ] ( ) if not avail : ret [ 'result' ] = False ret [ 'comment' ] = 'The named service {0} is not available' . format ( nam...
def arcball_map_to_sphere ( point , center , radius ) : """Return unit sphere coordinates from window coordinates ."""
v = numpy . array ( ( ( point [ 0 ] - center [ 0 ] ) / radius , ( center [ 1 ] - point [ 1 ] ) / radius , 0.0 ) , dtype = numpy . float64 ) n = v [ 0 ] * v [ 0 ] + v [ 1 ] * v [ 1 ] if n > 1.0 : v /= math . sqrt ( n ) # position outside of sphere else : v [ 2 ] = math . sqrt ( 1.0 - n ) return v
def is_all_field_none ( self ) : """: rtype : bool"""
if self . _id_ is not None : return False if self . _created is not None : return False if self . _updated is not None : return False if self . _action is not None : return False if self . _user_id is not None : return False if self . _monetary_account_id is not None : return False if self . _ob...
def set_ground_width ( self , ground_width ) : '''set ground width of view'''
state = self . state state . ground_width = ground_width state . panel . re_center ( state . width / 2 , state . height / 2 , state . lat , state . lon )
def all ( cls , domain = None ) : """Return all sites @ param domain : The domain to filter by @ type domain : Domain @ rtype : list of Site"""
Site = cls site = Session . query ( Site ) if domain : site . filter ( Site . domain == domain ) return site . all ( )
def download_location ( self , location : str , max_count : Optional [ int ] = None , post_filter : Optional [ Callable [ [ Post ] , bool ] ] = None , fast_update : bool = False ) -> None : """Download pictures of one location . To download the last 30 pictures with location 362629379 , do : : loader = Instaloa...
self . context . log ( "Retrieving pictures for location {}..." . format ( location ) ) count = 1 for post in self . get_location_posts ( location ) : if max_count is not None and count > max_count : break self . context . log ( '[{0:3d}] %{1} ' . format ( count , location ) , end = '' , flush = True ) ...
def pop ( self , key , default = UndefinedKey ) : """Remove specified key and return the corresponding value . If key is not found , default is returned if given , otherwise ConfigMissingException is raised This method assumes the user wants to remove the last value in the chain so it parses via parse _ key a...
if default != UndefinedKey and key not in self : return default value = self . get ( key , UndefinedKey ) lst = ConfigTree . parse_key ( key ) parent = self . KEY_SEP . join ( lst [ 0 : - 1 ] ) child = lst [ - 1 ] if parent : self . get ( parent ) . __delitem__ ( child ) else : self . __delitem__ ( child ) ...
def get_list ( self , name : str ) -> List [ str ] : """Returns all values for the given header as a list ."""
norm_name = _normalized_headers [ name ] return self . _as_list . get ( norm_name , [ ] )
def assertHeader ( self , name , value = None , * args , ** kwargs ) : """Returns ` True ` if ` ` name ` ` was in the headers and , if ` ` value ` ` is True , whether or not the values match , or ` False ` otherwise ."""
return name in self . raw_headers and ( True if value is None else self . raw_headers [ name ] == value )
def visit_Expr ( self , node : ast . Expr ) -> Any : """Visit the node ' s ` ` value ` ` ."""
result = self . visit ( node = node . value ) self . recomputed_values [ node ] = result return result