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find xml :param url: contents url :param features: markup provider :param headers: http header :return: BeautifulSoup object
def find_xml(cls, url, features): """ find xml :param url: contents url :param features: markup provider :param headers: http header :return: BeautifulSoup object """ req = cls._get_content(url) if req.status_code in range(200, 300): re...
find xml(list) :param url: contents url :param markup: markup provider :param tag: find tag :param pattern: xml file pattern :return: BeautifulSoup object list
def find_xml_all(cls, url, markup, tag, pattern): """ find xml(list) :param url: contents url :param markup: markup provider :param tag: find tag :param pattern: xml file pattern :return: BeautifulSoup object list """ body = cls.find_xml(url, marku...
Get attribute for Beautifulsoup object :param soup: Beautifulsoup object :param key: attribute key :param unknown: attribute key not exists value(default:None) :return: attribute value
def get_attribute(cls, soup, key, unknown=None): """ Get attribute for Beautifulsoup object :param soup: Beautifulsoup object :param key: attribute key :param unknown: attribute key not exists value(default:None) :return: attribute value """ if key in soup...
Get attribute for Beautifulsoup object :param soup: Beautifulsoup object :param key: attribute key :param data_type: Data type(int, float, etc...) :param unknown: attribute key not exists value(default:None) :return: (data_type)attribute value
def get_attribute_stats(cls, soup, key, data_type=str, unknown=None): """ Get attribute for Beautifulsoup object :param soup: Beautifulsoup object :param key: attribute key :param data_type: Data type(int, float, etc...) :param unknown: attribute key not exists value(defa...
Calculates the edit distance between two tokens.
def token_distance(t1, t2, initial_match_penalization): """Calculates the edit distance between two tokens.""" if isinstance(t1, NameInitial) or isinstance(t2, NameInitial): if t1.token == t2.token: return 0 if t1 == t2: return initial_match_penalization return 1....
Simple tokenizer function to be used with the normalizers.
def simple_tokenize(name): """Simple tokenizer function to be used with the normalizers.""" last_names, first_names = name.split(',') last_names = _RE_NAME_TOKEN_SEPARATOR.split(last_names) first_names = _RE_NAME_TOKEN_SEPARATOR.split(first_names) first_names = [NameToken(n) if len(n) > 1 else Name...
Determines rotatable bonds in a ligand molecule Takes: * mol * - mol file in rdkit environment Output: * bonds * - tuples of atom ids
def get_rotatable_bonds(self,mol): """Determines rotatable bonds in a ligand molecule Takes: * mol * - mol file in rdkit environment Output: * bonds * - tuples of atom ids """ RotatableBondSmarts = Chem.MolFromSmarts('[!$(*#*)&!D1]-&!@[!$(*#*)&!D1]') bonds = mol.GetSubstructMatches(RotatableBondSmarts...
Calculates descriptors such as logP, charges and MR and saves that in a dictionary.
def calculate_descriptors(self,mol): """Calculates descriptors such as logP, charges and MR and saves that in a dictionary.""" #make dictionary self.ligand_atoms = {index:{"name":x.name} for index,x in enumerate(self.topology_data.universe.ligand_noH.atoms)} #Calculate logP and MR contribs = self.calculate_l...
Calculates formal charge for each atom. Takes: * mol * - mol file in rdkit environment Output: * formal_charges * - list of charges
def calculate_formal_charge(self,mol): """Calculates formal charge for each atom. Takes: * mol * - mol file in rdkit environment Output: * formal_charges * - list of charges """ formal_charges = [] for atom in mol.GetAtoms(): formal_charges.append(atom.GetFormalCharge()) return formal_charges
return geohash for given point with self.precision :param point: GeoPoint instance :return: string
def get_point_hash(self, point): """ return geohash for given point with self.precision :param point: GeoPoint instance :return: string """ return geohash.encode(point.latitude, point.longitude, self.precision)
add point to index, point must be a GeoPoint instance :param point: :return:
def add_point(self, point): """ add point to index, point must be a GeoPoint instance :param point: :return: """ assert isinstance(point, GeoPoint), \ 'point should be GeoPoint instance' point_hash = self.get_point_hash(point) points = self.dat...
return approx list of point from circle with given center and radius it uses geohash and return with some error (see GEO_HASH_ERRORS) :param center_point: center of search circle :param radius: radius of search circle :return: list of GeoPoints from given area
def get_nearest_points_dirty(self, center_point, radius, unit='km'): """ return approx list of point from circle with given center and radius it uses geohash and return with some error (see GEO_HASH_ERRORS) :param center_point: center of search circle :param radius: radius of sea...
return list of geo points from circle with given center and radius :param center_point: GeoPoint with center of search circle :param radius: radius of search circle :return: generator with tuple with GeoPoints and distance
def get_nearest_points(self, center_point, radius, unit='km'): """ return list of geo points from circle with given center and radius :param center_point: GeoPoint with center of search circle :param radius: radius of search circle :return: generator with tuple with GeoPoints and...
Return a specific variant. Args: case_id (str): Path to vcf file variant_id (str): A variant id Returns: variant (Variant): The variant object for the given id
def variant(self, case_id, variant_id): """Return a specific variant. Args: case_id (str): Path to vcf file variant_id (str): A variant id Returns: variant (Variant): The variant object for the given id """ case_obj = self...
Return all variants in the VCF. This function will apply the given filter and return the 'count' first variants. If skip the first 'skip' variants will not be regarded. Args: case_id (str): Path to a vcf file (for this adapter) skip (int): Skip first variant...
def variants(self, case_id, skip=0, count=1000, filters=None): """Return all variants in the VCF. This function will apply the given filter and return the 'count' first variants. If skip the first 'skip' variants will not be regarded. Args: case_id (str): Path to a ...
Check if variants follows the filters This function will try to make filters faster for the vcf adapter Args: vcf_file_path(str): Path to vcf filters (dict): A dictionary with filters Yields: varian_line (str): A vcf variant line
def _get_filtered_variants(self, vcf_file_path, filters={}): """Check if variants follows the filters This function will try to make filters faster for the vcf adapter Args: vcf_file_path(str): Path to vcf filters (dict): A dictionary with filters ...
Return a Variant object Format variant make a variant that includes enough information for the variant view. If add_all_info then all transcripts will be parsed Args: variant (cython2.Variant): A variant object index (int): The index of the variant c...
def _format_variants(self, variant, index, case_obj, add_all_info=False): """Return a Variant object Format variant make a variant that includes enough information for the variant view. If add_all_info then all transcripts will be parsed Args: variant (cython2.Varia...
Core FNV hash algorithm used in FNV0 and FNV1.
def fnv(data, hval_init, fnv_prime, fnv_size): """ Core FNV hash algorithm used in FNV0 and FNV1. """ assert isinstance(data, bytes) hval = hval_init for byte in data: hval = (hval * fnv_prime) % fnv_size hval = hval ^ _get_byte(byte) return hval
Send session_prepare signal in session "before_commit". The signal contains another event argument, which records whole info of what's changed in this session, so the signal receiver can receive and record the event.
def session_prepare(self, session, _): """Send session_prepare signal in session "before_commit". The signal contains another event argument, which records whole info of what's changed in this session, so the signal receiver can receive and record the event. """ if not h...
Send session_commit signal in sqlalchemy ``before_commit``. This marks the success of session so the session may enter commit state.
def session_commit(self, session): """Send session_commit signal in sqlalchemy ``before_commit``. This marks the success of session so the session may enter commit state. """ # this may happen when there's nothing to commit if not hasattr(session, 'meepo_unique_id'): ...
Send session_rollback signal in sqlalchemy ``after_rollback``. This marks the failure of session so the session may enter commit phase.
def session_rollback(self, session): """Send session_rollback signal in sqlalchemy ``after_rollback``. This marks the failure of session so the session may enter commit phase. """ # this may happen when there's nothing to rollback if not hasattr(session, 'meepo_unique_id...
Returns polar mesh for matplotlib.pyplot.pcolormesh() in polar coordinates. polar coordinates of data points -> polar mesh for colormesh polar coordinates is assumed to be equidistanced in a sense that the r_values and theta_values are assumed to be equally-spaced.
def augment_polar_mesh_for_colormesh(r_values, theta_values): """ Returns polar mesh for matplotlib.pyplot.pcolormesh() in polar coordinates. polar coordinates of data points -> polar mesh for colormesh polar coordinates is assumed to be equidistanced in a sense that the r_values and theta_values a...
Returns polar mesh for matplotlib.pyplot.pcolormesh() in Cartesian coordinates polar coordinates of data points -> polar mesh for colormesh polar coordinates is assumed to be equidistanced in a sense that the r_values and theta_values are assumed to be equally-spaced.
def construct_polar_mesh_for_colormesh(r_values, theta_values): """ Returns polar mesh for matplotlib.pyplot.pcolormesh() in Cartesian coordinates polar coordinates of data points -> polar mesh for colormesh polar coordinates is assumed to be equidistanced in a sense that the r_values and theta_val...
Construct the corresponding 1D mesh from 1D array for pcolormesh() in ```matplotlib```
def construct_mesh_for_1d_array(x_values): """Construct the corresponding 1D mesh from 1D array for pcolormesh() in ```matplotlib```""" if not isinstance(x_values, np.ndarray): try: x_values = np.array(x_values) except: raise TypeError("Can not convert to numpy.ndarray: {0}".format(x_values)) ...
Set matplotlib.rcParams['font.size'] value so that all texts on a plot would look nice in terms of fontsize. [NOTE] The formula for the font size is: fontsize = sqrt(fig_area) * 'scale' where fig_area = fig_height * fig_width (in inch)
def set_global_fontsize_from_fig(fig, scale=1.5): """ Set matplotlib.rcParams['font.size'] value so that all texts on a plot would look nice in terms of fontsize. [NOTE] The formula for the font size is: fontsize = sqrt(fig_area) * 'scale' where fig_area = fig_height * fig_width (in inch) ...
Process 'fig' and 'ax' arguments. 'fig' is of type: 'matplotlib.figure.Figure' (or its child object) 'ax' is of type: 'matplotlib.axes._base._AxesBase' (or its child object) 'fig' and 'ax' should be simultaneously None or of respective proper type.
def process_fig_and_ax_argument(fig, ax, default_figsize=None): """Process 'fig' and 'ax' arguments. 'fig' is of type: 'matplotlib.figure.Figure' (or its child object) 'ax' is of type: 'matplotlib.axes._base._AxesBase' (or its child object) 'fig' and 'ax' should be simultaneously None or of respective...
Return N-dimensional square's limits ## Arguments # 'coords': list of coordinates of poins to be plotted # 'margin': margin to be added from boundaries of the square. - 'margin' can be negative if one wants to reduce the square size. ## Example if 'coords' was given as [x,y,z], then the r...
def get_square_axes_limits(coords, margin=0.05): """Return N-dimensional square's limits ## Arguments # 'coords': list of coordinates of poins to be plotted # 'margin': margin to be added from boundaries of the square. - 'margin' can be negative if one wants to reduce the square size. ## Examp...
Sets the current track position in microseconds. :param str track_id: The currently playing track's identifier. :param int position: Track position in microseconds. This must be between 0 and <track_length>. If the Position argument is less than 0, do nothing. ...
def SetPosition(self, track_id, position): """Sets the current track position in microseconds. :param str track_id: The currently playing track's identifier. :param int position: Track position in microseconds. This must be between 0 and <track_length>. If ...
Not standard hashing algorithm! Install NumPy for better hashing service. >>> from Redy.Tools._py_hash import hash_from_stream >>> s = iter((1, 2, 3)) >>> assert hash_from_stream(3, map(hash, s)) == hash((1, 2, 3))
def hash_from_stream(n, hash_stream): """ Not standard hashing algorithm! Install NumPy for better hashing service. >>> from Redy.Tools._py_hash import hash_from_stream >>> s = iter((1, 2, 3)) >>> assert hash_from_stream(3, map(hash, s)) == hash((1, 2, 3)) """ _to_int64 = to_int64 x...
Add the genes for a variant Get the hgnc symbols from all transcripts and add them to the variant Args: variant (dict): A variant dictionary Returns: genes (list): A list of Genes
def _get_genes(self, variant): """Add the genes for a variant Get the hgnc symbols from all transcripts and add them to the variant Args: variant (dict): A variant dictionary Returns: genes (list): A list of Genes """ ensembl_ids = [] ...
Add the neccesary sv coordinates for a variant Args: variant (puzzle.models.variant)
def _add_sv_coordinates(self, variant): """Add the neccesary sv coordinates for a variant Args: variant (puzzle.models.variant) """ variant.stop_chrom = variant.CHROM variant.start = int(variant.POS) # If we have a translocation: if '...
Do any preprocessing of the lists.
def process_lists(self): """Do any preprocessing of the lists.""" for l1_idx, obj1 in enumerate(self.l1): for l2_idx, obj2 in enumerate(self.l2): if self.equal(obj1, obj2): self.matches.add((l1_idx, l2_idx))
Get elements equal to the idx'th in src from the other list. e.g. get_matches(self, 'l1', 0) will return all elements from self.l2 matching with self.l1[0]
def get_matches(self, src, src_idx): """Get elements equal to the idx'th in src from the other list. e.g. get_matches(self, 'l1', 0) will return all elements from self.l2 matching with self.l1[0] """ if src not in ('l1', 'l2'): raise ValueError('Must have one of "l1"...
Loads the topology file (e.g. GRO,PDB,INPCRD) as a MDAnalysis Universe, checks if it can be loaded. Needs to be run before the equivalent function topol.load_trajectory() and provides the snapshot that is going to be used for final residue placement - i.e. the residue coordinates for placement ...
def load_topology(self,topology): """ Loads the topology file (e.g. GRO,PDB,INPCRD) as a MDAnalysis Universe, checks if it can be loaded. Needs to be run before the equivalent function topol.load_trajectory() and provides the snapshot that is going to be used for final residue pl...
Loads the trajectory files e.g. XTC, DCD, TRJ together with the topology file as a MDAnalysis Universe. This will only be run if a trajectory has been submitted for analysis. Takes: * topology * - a topology file e.g. GRO, PDB, INPCRD, CARD, DMS * trajectory *...
def load_trajectory(self,trajectory): """ Loads the trajectory files e.g. XTC, DCD, TRJ together with the topology file as a MDAnalysis Universe. This will only be run if a trajectory has been submitted for analysis. Takes: * topology * - a topology file e.g. ...
Loads a MOL file of the ligand (submitted by user) into RDKit environment. Takes: * mol_file * - user submitted MOL file of the ligand Output: * self.mol_mda * - the ligand as MDAnalysis Universe, * self.mol * - the ligand in RDKit environment as M...
def load_mol(self, mol_file): """Loads a MOL file of the ligand (submitted by user) into RDKit environment. Takes: * mol_file * - user submitted MOL file of the ligand Output: * self.mol_mda * - the ligand as MDAnalysis Universe, * self.mol...
Get an atom selection for the selected from both topology and trajectory. Rename the ligand LIG to help with ligand names that are not standard, e.g. contain numbers. Takes: * ligand_name * - MDAnalysis atom selection for the ligand selected by user Output: ...
def rename_ligand(self,ligand_name,mol_file): """ Get an atom selection for the selected from both topology and trajectory. Rename the ligand LIG to help with ligand names that are not standard, e.g. contain numbers. Takes: * ligand_name * - MDAnalysis atom selection ...
The residue numbers of the protein can be reformated in case of misallignment with the convention. Takes: * offset * - a number that represents by how many residues the numbering has to be shifted.
def renumber_system(self, offset): """ The residue numbers of the protein can be reformated in case of misallignment with the convention. Takes: * offset * - a number that represents by how many residues the numbering has to be shifted. """ self.universe.pro...
This function defines the residues for plotting in case only a topology file has been submitted. In this case the residence time analysis in not necessary and it is enough just to find all residues within a cutoff distance. Takes: * cutoff * - cutoff distance in angstroms tha...
def define_residues_for_plotting_topology(self,cutoff): """ This function defines the residues for plotting in case only a topology file has been submitted. In this case the residence time analysis in not necessary and it is enough just to find all residues within a cutoff distance. ...
This function defines the ligand atoms that are closest to the residues that will be plotted in the final graph.
def find_the_closest_atoms(self,topology): """ This function defines the ligand atoms that are closest to the residues that will be plotted in the final graph. """ # The measurements are made to ligand molecule without hydrogen atoms (ligand_noH) because the # hydrogen a...
This function loads all relevant data - except trajectories since those are dealt with one at a time. Therefore, this process only needs to be done once, and every time a trajectory needs to be loaded, it can be loaded seperataly and the Data object can be shared across LINTools processes.
def load_data(self, topology, mol_file, ligand_name, offset=0): """ This function loads all relevant data - except trajectories since those are dealt with one at a time. Therefore, this process only needs to be done once, and every time a trajectory needs to be loaded, it can be loaded s...
In case user wants to analyse only a single topology file, this process will determine the residues that should be plotted and find the ligand atoms closest to these residues.
def analyse_topology(self,topology, cutoff=3.5): """ In case user wants to analyse only a single topology file, this process will determine the residues that should be plotted and find the ligand atoms closest to these residues. """ self.define_residues_for_plotting_topology(cut...
Convert the start/end datetimes specified by the user, specifically: - truncate any minutes/seconds - for a missing end time, use start + 24 hours - for a missing start time, use end - 24 hours - for missing start and end, use the last 24 hours
def parse_time_range(start_dt, end_dt): """ Convert the start/end datetimes specified by the user, specifically: - truncate any minutes/seconds - for a missing end time, use start + 24 hours - for a missing start time, use end - 24 hours - for missing start and end, use the last 24 hours """...
Calculate the 2D integral of the 1D surface brightness profile (i.e, the flux) between rmin and rmax (elliptical radii). Parameters: ----------- rmin : minimum integration radius (deg) rmax : maximum integration radius (deg) Returns: -------- integral ...
def integrate(self, rmin=0, rmax=np.inf): """ Calculate the 2D integral of the 1D surface brightness profile (i.e, the flux) between rmin and rmax (elliptical radii). Parameters: ----------- rmin : minimum integration radius (deg) rmax : maximum integration rad...
Sample the radial distribution (deg) from the 2D stellar density. Output is elliptical radius in true projected coordinates.
def sample_radius(self, n): """ Sample the radial distribution (deg) from the 2D stellar density. Output is elliptical radius in true projected coordinates. """ edge = self.edge if self.edge<20*self.extension else 20*self.extension radius = np.linspace(0, edge, 1.e5) ...
Sample 2D distribution of points in lon, lat
def sample_lonlat(self, n): """ Sample 2D distribution of points in lon, lat """ # From http://en.wikipedia.org/wiki/Ellipse#General_parametric_form # However, Martin et al. (2009) use PA theta "from North to East" # Definition of phi (position angle) is offset by pi/4 ...
groupby which sorts the input, discards the key and returns the output as a sequence of lists.
def group(iterable, key): """ groupby which sorts the input, discards the key and returns the output as a sequence of lists. """ for _, grouped in groupby(sorted(iterable, key=key), key=key): yield list(grouped)
Straightforward sum of the given keyname.
def aggregate_count(keyname): """ Straightforward sum of the given keyname. """ def inner(docs): return sum(doc[keyname] for doc in docs) return keyname, inner
Compute an aggregate rate for `rate_key` weighted according to `count_rate`.
def aggregate_rate(rate_key, count_key): """ Compute an aggregate rate for `rate_key` weighted according to `count_rate`. """ def inner(docs): total = sum(doc[count_key] for doc in docs) weighted_total = sum(doc[rate_key] * doc[count_key] for doc in docs) total_rate = weighte...
Given `docs` and `aggregations` return a single document with the aggregations applied.
def make_aggregate(docs, aggregations): """ Given `docs` and `aggregations` return a single document with the aggregations applied. """ new_doc = dict(docs[0]) for keyname, aggregation_function in aggregations: new_doc[keyname] = aggregation_function(docs) return new_doc
Sanitize the JSON string using the Bleach HTML tag remover
def json(value): ''' Sanitize the JSON string using the Bleach HTML tag remover ''' uncleaned = jsonlib.dumps(value) clean = bleach.clean(uncleaned) return mark_safe(clean)
Finds a subset of nondominated individuals in a given list :param population: a list of individuals :return: a set of indices corresponding to nondominated individuals
def find_pareto_front(population): """Finds a subset of nondominated individuals in a given list :param population: a list of individuals :return: a set of indices corresponding to nondominated individuals """ pareto_front = set(range(len(population))) for i in range(len(population)): ...
r"""[a-zA-Z_][a-zA-Z_0-9]*
def t_ID(self, t): r"""[a-zA-Z_][a-zA-Z_0-9]*""" # If the value is a reserved name, give it the appropriate type (not ID) if t.value in self.reserved: t.type = self.reserved[t.value] # If it's a function, give it the FUNC type elif t.value in self.functions: ...
conditional : conditional AND condition | conditional OR condition condition : condition LTE expression | condition GTE expression | condition LT expression | condition GT expression | condition EQ expression ...
def p_binary_operators(self, p): """ conditional : conditional AND condition | conditional OR condition condition : condition LTE expression | condition GTE expression | condition LT expression | condition GT expre...
term : SUB factor | ADD factor
def p_factor_unary_operators(self, p): """ term : SUB factor | ADD factor """ p[0] = p[2] if p[1] == '-': p[0] = Instruction('-x', context={'x': p[0]})
factor : ID
def p_factor_id(self, p): """ factor : ID """ def resolve_id(key, context): try: return context[key] except KeyError: raise NameError("name '{}' is not defined".format(key)) p[0] = Instruction('resolve_id(key, context)', c...
fn : FUNC LPAREN arguments RPAREN
def p_fn(self, p): """ fn : FUNC LPAREN arguments RPAREN """ fn = getattr(self, 'fn_{0}'.format(p[1])) p[0] = Instruction('fn(*[x.execute() if isinstance(x, Instruction) else x for x in args])', context={ 'fn': fn, 'args': p[3], 'Instruction':...
factor : factor LBRACK conditional RBRACK
def p_factor_item(self, p): """ factor : factor LBRACK conditional RBRACK """ def resolve_item(obj, index): if is_ndarray(obj) or isinstance(obj, (list, tuple)): if not isinstance(index, int): raise TypeError("Not a valid array index: '{}'...
Casts Python lists and tuples to a numpy array or raises an AssertionError.
def _to_ndarray(self, a): """Casts Python lists and tuples to a numpy array or raises an AssertionError.""" if isinstance(a, (list, tuple)): a = numpy.array(a) if not is_ndarray(a): raise TypeError("Expected an ndarray but got object of type '{}' instead".format(type(a)...
Return the absolute value of a number. :param value: The number. :return: The absolute value of the number.
def fn_abs(self, value): """ Return the absolute value of a number. :param value: The number. :return: The absolute value of the number. """ if is_ndarray(value): return numpy.absolute(value) else: return abs(value)
Return an array mask. :param value: The array. :return: The array mask.
def fn_get_mask(self, value): """ Return an array mask. :param value: The array. :return: The array mask. """ value = self._to_ndarray(value) if numpy.ma.is_masked(value): return value.mask else: return numpy.zeros(value.shape).a...
Return the minimum of an array, ignoring any NaNs. :param a: The array. :return: The minimum value of the array.
def fn_min(self, a, axis=None): """ Return the minimum of an array, ignoring any NaNs. :param a: The array. :return: The minimum value of the array. """ return numpy.nanmin(self._to_ndarray(a), axis=axis)
Return the maximum of an array, ignoring any NaNs. :param a: The array. :return: The maximum value of the array
def fn_max(self, a, axis=None): """ Return the maximum of an array, ignoring any NaNs. :param a: The array. :return: The maximum value of the array """ return numpy.nanmax(self._to_ndarray(a), axis=axis)
Compute the median of an array, ignoring NaNs. :param a: The array. :return: The median value of the array.
def fn_median(self, a, axis=None): """ Compute the median of an array, ignoring NaNs. :param a: The array. :return: The median value of the array. """ return numpy.nanmedian(self._to_ndarray(a), axis=axis)
Compute the arithmetic mean of an array, ignoring NaNs. :param a: The array. :return: The arithmetic mean of the array.
def fn_mean(self, a, axis=None): """ Compute the arithmetic mean of an array, ignoring NaNs. :param a: The array. :return: The arithmetic mean of the array. """ return numpy.nanmean(self._to_ndarray(a), axis=axis)
Compute the standard deviation of an array, ignoring NaNs. :param a: The array. :return: The standard deviation of the array.
def fn_std(self, a, axis=None): """ Compute the standard deviation of an array, ignoring NaNs. :param a: The array. :return: The standard deviation of the array. """ return numpy.nanstd(self._to_ndarray(a), axis=axis)
Compute the variance of an array, ignoring NaNs. :param a: The array. :return: The variance of the array.
def fn_var(self, a, axis=None): """ Compute the variance of an array, ignoring NaNs. :param a: The array. :return: The variance of the array. """ return numpy.nanvar(self._to_ndarray(a), axis=axis)
Return the floor of a number. For negative numbers, floor returns a lower value. E.g., `floor(-2.5) == -3` :param value: The number. :return: The floor of the number.
def fn_floor(self, value): """ Return the floor of a number. For negative numbers, floor returns a lower value. E.g., `floor(-2.5) == -3` :param value: The number. :return: The floor of the number. """ if is_ndarray(value) or isinstance(value, (list, tuple)): ...
Return the ceiling of a number. :param value: The number. :return: The ceiling of the number.
def fn_ceil(self, value): """ Return the ceiling of a number. :param value: The number. :return: The ceiling of the number. """ if is_ndarray(value) or isinstance(value, (list, tuple)): return numpy.ceil(self._to_ndarray(value)) else: ret...
Return the value cast to an int. :param value: The number. :return: The number as an int.
def fn_int(self, value): """ Return the value cast to an int. :param value: The number. :return: The number as an int. """ if is_ndarray(value) or isinstance(value, (list, tuple)): return self._to_ndarray(value).astype('int') else: return...
Return the value cast to an 8-bit signed integer (numpy array) or a Python int (single value) :param value: The number or array :return: The number or array as int/int8
def fn_int8(self, value): """ Return the value cast to an 8-bit signed integer (numpy array) or a Python int (single value) :param value: The number or array :return: The number or array as int/int8 """ if is_ndarray(value) or isinstance(value, (list, tuple)): ...
Return the value cast to an 16-bit signed integer (numpy array) or a Python int (single value) :param value: The number or array :return: The number or array as int/int8
def fn_int16(self, value): """ Return the value cast to an 16-bit signed integer (numpy array) or a Python int (single value) :param value: The number or array :return: The number or array as int/int8 """ if is_ndarray(value) or isinstance(value, (list, tuple)): ...
Return the value cast to an 32-bit signed integer (numpy array) or a Python int (single value) :param value: The number or array :return: The number or array as int/int8
def fn_int32(self, value): """ Return the value cast to an 32-bit signed integer (numpy array) or a Python int (single value) :param value: The number or array :return: The number or array as int/int8 """ if is_ndarray(value) or isinstance(value, (list, tuple)): ...
Return the value cast to a float. :param value: The number. :return: The number as a float.
def fn_float(self, value): """ Return the value cast to a float. :param value: The number. :return: The number as a float. """ if is_ndarray(value) or isinstance(value, (list, tuple)): return self._to_ndarray(value).astype('float') else: ...
Coerce a datetime or string into datetime.datetime object Arguments: dt (str or datetime.datetime or atetime.time or numpy.Timestamp): time or date to be coerced into a `datetime.date` object Returns: datetime.time: Time of day portion of a `datetime` string or object >>> make_date(''...
def make_datetime(dt, date_parser=parse_date): """Coerce a datetime or string into datetime.datetime object Arguments: dt (str or datetime.datetime or atetime.time or numpy.Timestamp): time or date to be coerced into a `datetime.date` object Returns: datetime.time: Time of day portion ...
Quantize a datetime to integer years, months, days, hours, minutes, seconds or microseconds Also works with a `datetime.timetuple` or `time.struct_time` or a 1to9-tuple of ints or floats. Also works with a sequenece of struct_times, tuples, or datetimes >>> quantize_datetime(datetime.datetime(1970,1,2,3,4...
def quantize_datetime(dt, resolution=None): """Quantize a datetime to integer years, months, days, hours, minutes, seconds or microseconds Also works with a `datetime.timetuple` or `time.struct_time` or a 1to9-tuple of ints or floats. Also works with a sequenece of struct_times, tuples, or datetimes >...
Like datetime.ordinal, but rather than integer allows fractional days (so float not ordinal at all) Similar to the Microsoft Excel numerical representation of a datetime object >>> ordinal_float(datetime.datetime(1970, 1, 1)) 719163.0 >>> ordinal_float(datetime.datetime(1, 2, 3, 4, 5, 6, 7)) # doctes...
def ordinal_float(dt): """Like datetime.ordinal, but rather than integer allows fractional days (so float not ordinal at all) Similar to the Microsoft Excel numerical representation of a datetime object >>> ordinal_float(datetime.datetime(1970, 1, 1)) 719163.0 >>> ordinal_float(datetime.datetime(1...
Inverse of `ordinal_float()`, converts a float number of days back to a `datetime` object >>> dt = datetime.datetime(1970, 1, 1) >>> datetime_from_ordinal_float(ordinal_float(dt)) == dt True >>> dt = datetime.datetime(1, 2, 3, 4, 5, 6, 7) >>> datetime_from_ordinal_float(ordinal_float(dt)) == dt ...
def datetime_from_ordinal_float(days): """Inverse of `ordinal_float()`, converts a float number of days back to a `datetime` object >>> dt = datetime.datetime(1970, 1, 1) >>> datetime_from_ordinal_float(ordinal_float(dt)) == dt True >>> dt = datetime.datetime(1, 2, 3, 4, 5, 6, 7) >>> datetime_f...
Generate a date-time tag suitable for appending to a file name. >>> timetag_str(resolution=3) == '-'.join('{0:02d}'.format(i) for i in ... tuple(datetime.datetime.now().timetuple()[:3])) True >>> timetag_str(datetime.datetime(2004,12,8,1,2,3,400000)) '2004-12-08-01-02-03' >>> timeta...
def timetag_str(dt=None, sep='-', filler='0', resolution=6): """Generate a date-time tag suitable for appending to a file name. >>> timetag_str(resolution=3) == '-'.join('{0:02d}'.format(i) for i in ... tuple(datetime.datetime.now().timetuple()[:3])) True >>> timetag_str(datetime.dateti...
Add timezone information to a datetime object, only if it is naive. >>> make_tz_aware(datetime.datetime(2001, 9, 8, 7, 6)) datetime.datetime(2001, 9, 8, 7, 6, tzinfo=<UTC>) >>> make_tz_aware(['2010-01-01'], 'PST') [datetime.datetime(2010, 1, 1, 0, 0, tzinfo=<DstTzInfo 'US/Pacific' PST-1 day, 16:00:00 S...
def make_tz_aware(dt, tz='UTC', is_dst=None): """Add timezone information to a datetime object, only if it is naive. >>> make_tz_aware(datetime.datetime(2001, 9, 8, 7, 6)) datetime.datetime(2001, 9, 8, 7, 6, tzinfo=<UTC>) >>> make_tz_aware(['2010-01-01'], 'PST') [datetime.datetime(2010, 1, 1, 0, 0,...
Limit a datetime to a valid range for datetime, datetime64, and Timestamp objects >>> from datetime import timedelta >>> clip_datetime(MAX_DATETIME + timedelta(100)) == pd.Timestamp(MAX_DATETIME, tz='utc') == MAX_TIMESTAMP True >>> MAX_TIMESTAMP Timestamp('2262-04-11 23:47:16.854775+0000', tz='UTC')
def clip_datetime(dt, tz=DEFAULT_TZ, is_dst=None): """Limit a datetime to a valid range for datetime, datetime64, and Timestamp objects >>> from datetime import timedelta >>> clip_datetime(MAX_DATETIME + timedelta(100)) == pd.Timestamp(MAX_DATETIME, tz='utc') == MAX_TIMESTAMP True >>> MAX_TIMESTAMP ...
decorator to translate the addressType field. translate the value of the addressType field of the API response into a translated type.
def translate_addresstype(f): """decorator to translate the addressType field. translate the value of the addressType field of the API response into a translated type. """ @wraps(f) def wr(r, pc): at = r["addressType"] try: r.update({"addressType": POSTCODE_API_TYPED...
decorator to translate the purposes field. translate the values of the purposes field of the API response into translated values.
def translate_purposes(f): """decorator to translate the purposes field. translate the values of the purposes field of the API response into translated values. """ @wraps(f) def wr(r, pc): tmp = [] for P in r["purposes"]: try: tmp.append(POSTCODE_API_...
Calculate Jenks natural breaks. Adapted from http://danieljlewis.org/files/2010/06/Jenks.pdf Credit: Daniel Lewis Arguments: data -- Array of values to classify. num_breaks -- Number of breaks to perform.
def jenks(data, num_breaks): """ Calculate Jenks natural breaks. Adapted from http://danieljlewis.org/files/2010/06/Jenks.pdf Credit: Daniel Lewis Arguments: data -- Array of values to classify. num_breaks -- Number of breaks to perform. """ data = numpy.ma.compressed(data) if...
Calculate quantile breaks. Arguments: data -- Array of values to classify. num_breaks -- Number of breaks to perform.
def quantile(data, num_breaks): """ Calculate quantile breaks. Arguments: data -- Array of values to classify. num_breaks -- Number of breaks to perform. """ def scipy_mquantiles(a, prob=list([.25,.5,.75]), alphap=.4, betap=.4, axis=None, limit=()): """ function copied from scipy 0...
Calculate equal interval breaks. Arguments: data -- Array of values to classify. num_breaks -- Number of breaks to perform.
def equal(data, num_breaks): """ Calculate equal interval breaks. Arguments: data -- Array of values to classify. num_breaks -- Number of breaks to perform. """ step = (numpy.amax(data) - numpy.amin(data)) / num_breaks return numpy.linspace(numpy.amin(data) + step, numpy.amax(data), nu...
Inputs: catalog_dir = string corresponding to directory containing the stellar catalog infiles mc_source_id = integer corresponding the target MC_SOURCE_ID value Outputs: catalog_infile = string corresponding to filename of stellar catalog containing mc_source_id
def getCatalogFile(catalog_dir, mc_source_id): """ Inputs: catalog_dir = string corresponding to directory containing the stellar catalog infiles mc_source_id = integer corresponding the target MC_SOURCE_ID value Outputs: catalog_infile = string corresponding to filename of stellar c...
Read a generic input file into a recarray. Accepted file formats: [.fits,.fz,.npy,.csv,.txt,.dat] Parameters: filename : input file name kwargs : keyword arguments for the reader Returns: recarray : data array
def read(filename,**kwargs): """ Read a generic input file into a recarray. Accepted file formats: [.fits,.fz,.npy,.csv,.txt,.dat] Parameters: filename : input file name kwargs : keyword arguments for the reader Returns: recarray : data array """ base,ext = os.path.splitext(fi...
Write a recarray to a specific format. Accepted file formats: [.fits,.fz,.npy,.csv,.txt,.dat] Parameters: filename : output file name data : the recarray data kwargs : keyword arguments for the writer Returns: ret : writer return (usually None)
def write(filename,data,**kwargs): """ Write a recarray to a specific format. Accepted file formats: [.fits,.fz,.npy,.csv,.txt,.dat] Parameters: filename : output file name data : the recarray data kwargs : keyword arguments for the writer Returns: ret : writer return (us...
Add a column to a FITS file. ADW: Could this be replaced by a ftool?
def add_column(filename,column,formula,force=False): """ Add a column to a FITS file. ADW: Could this be replaced by a ftool? """ columns = parse_formula(formula) logger.info("Running file: %s"%filename) logger.debug(" Reading columns: %s"%columns) data = fitsio.read(filename,columns=colum...
Load a set of FITS files with kwargs.
def load_files(filenames,multiproc=False,**kwargs): """ Load a set of FITS files with kwargs. """ filenames = np.atleast_1d(filenames) logger.debug("Loading %s files..."%len(filenames)) kwargs = [dict(filename=f,**kwargs) for f in filenames] if multiproc: from multiprocessing import Pool ...
Write a catalog file of the likelihood region including membership properties. Parameters: ----------- loglike : input loglikelihood object filename : output filename Returns: -------- None
def write_membership(loglike,filename): """ Write a catalog file of the likelihood region including membership properties. Parameters: ----------- loglike : input loglikelihood object filename : output filename Returns: -------- None """ ra,dec = gal2cel(loglike.ca...
Take the value from a two-dimensional histogram from the bin corresponding to (x, y). Parameters: ----------- histogram : The values in the histogram (n,m) (ADW: is this ordering right?) x : the x-value to take from the hist y : the y-value to take from the hist bins_x : the xbin edges, includi...
def take2D(histogram, x, y, bins_x, bins_y): """ Take the value from a two-dimensional histogram from the bin corresponding to (x, y). Parameters: ----------- histogram : The values in the histogram (n,m) (ADW: is this ordering right?) x : the x-value to take from the hist y : the y-value t...
Use cloud-in-cells binning algorithm. Only valid for equal-spaced linear bins. http://ta.twi.tudelft.nl/dv/users/Lemmens/MThesis.TTH/chapter4.html#tth_sEc2 http://www.gnu.org/software/archimedes/manual/html/node29.html INPUTS: x: array of x-values y: array or y-values bins: [bins_x,...
def cloudInCells(x, y, bins, weights=None): """ Use cloud-in-cells binning algorithm. Only valid for equal-spaced linear bins. http://ta.twi.tudelft.nl/dv/users/Lemmens/MThesis.TTH/chapter4.html#tth_sEc2 http://www.gnu.org/software/archimedes/manual/html/node29.html INPUTS: x: array of x-va...
Performs a gaussian kernel density estimate over a regular grid using a convolution of the gaussian kernel with a 2D histogram of the data. This function is typically several orders of magnitude faster than scipy.stats.kde.gaussian_kde for large (>1e7) numbers of points and produces an essentially id...
def fast_kde(x, y, gridsize=(200,200), extents=None, nocorrelation=False, weights=None): """ Performs a gaussian kernel density estimate over a regular grid using a convolution of the gaussian kernel with a 2D histogram of the data. This function is typically several orders of magnitude faster than ...
Bins data using np.histogram and calculates the reverse indices for the entries like IDL. Parameters: data : data to pass to np.histogram bins : bins to pass to np.histogram Returns: hist : bin content output by np.histogram edges : edges output from np.histogram rev : reverse i...
def reverseHistogram(data,bins=None): """ Bins data using np.histogram and calculates the reverse indices for the entries like IDL. Parameters: data : data to pass to np.histogram bins : bins to pass to np.histogram Returns: hist : bin content output by np.histogram ...
Input (lon, lat) in degrees instead of (theta, phi) in radians
def angToPix(nside, lon, lat, nest=False): """ Input (lon, lat) in degrees instead of (theta, phi) in radians """ theta = np.radians(90. - lat) phi = np.radians(lon) return hp.ang2pix(nside, theta, phi, nest=nest)
Wrapper around healpy.query_disc to deal with old healpy implementation. nside : int The nside of the Healpix map. vec : float, sequence of 3 elements The coordinates of unit vector defining the disk center. radius : float The radius (in degrees) of the disc inclusive : bool, optional ...
def query_disc(nside, vec, radius, inclusive=False, fact=4, nest=False): """ Wrapper around healpy.query_disc to deal with old healpy implementation. nside : int The nside of the Healpix map. vec : float, sequence of 3 elements The coordinates of unit vector defining the disk center. rad...
Wrap `query_disc` to use lon, lat, and radius in degrees.
def angToDisc(nside, lon, lat, radius, inclusive=False, fact=4, nest=False): """ Wrap `query_disc` to use lon, lat, and radius in degrees. """ vec = angToVec(lon,lat) return query_disc(nside,vec,radius,inclusive,fact,nest)
Angular separation (deg) between two sky coordinates. Borrowed from astropy (www.astropy.org) Notes ----- The angular separation is calculated using the Vincenty formula [1], which is slighly more complex and computationally expensive than some alternatives, but is stable at at all distances, in...
def angsep(lon1, lat1, lon2, lat2): """ Angular separation (deg) between two sky coordinates. Borrowed from astropy (www.astropy.org) Notes ----- The angular separation is calculated using the Vincenty formula [1], which is slighly more complex and computationally expensive than some alt...