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def do_sqlite_connect(dbapi_connection, connection_record): """Ensure SQLite checks foreign key constraints. For further details see "Foreign key support" sections on https://docs.sqlalchemy.org/en/latest/dialects/sqlite.html#foreign-key-support """ # Enable foreign key constraint checking curs...
def apply_driver_hacks(self, app, info, options): """Call before engine creation.""" # Don't forget to apply hacks defined on parent object. super(SQLAlchemy, self).apply_driver_hacks(app, info, options) if info.drivername == 'sqlite': connect_args = options.setdefault('conn...
def create(verbose): """Create tables.""" click.secho('Creating all tables!', fg='yellow', bold=True) with click.progressbar(_db.metadata.sorted_tables) as bar: for table in bar: if verbose: click.echo(' Creating table {0}'.format(table)) table.create(bind=_db...
def drop(verbose): """Drop tables.""" click.secho('Dropping all tables!', fg='red', bold=True) with click.progressbar(reversed(_db.metadata.sorted_tables)) as bar: for table in bar: if verbose: click.echo(' Dropping table {0}'.format(table)) table.drop(bind=_d...
def init(): """Create database.""" click.secho('Creating database {0}'.format(_db.engine.url), fg='green') if not database_exists(str(_db.engine.url)): create_database(str(_db.engine.url))
def destroy(): """Drop database.""" click.secho('Destroying database {0}'.format(_db.engine.url), fg='red', bold=True) if _db.engine.name == 'sqlite': try: drop_database(_db.engine.url) except FileNotFoundError as e: click.secho('Sqlite database has no...
def rolling(self, op): """Fast rolling operation with O(log n) updates where n is the window size """ missing = self.missing ismissing = self.ismissing window = self.window it = iter(self.iterable) queue = deque(islice(it, window)) ol = self.skip...
def get_span_column_count(span): """ Find the length of a colspan. Parameters ---------- span : list of lists of int The [row, column] pairs that make up the span Returns ------- columns : int The number of columns included in the span Example ------- Consi...
def to_dict(self): "returns self as a dictionary with _underscore subdicts corrected." ndict = {} for key, val in self.__dict__.items(): if key[0] == "_": ndict[key[1:]] = val else: ndict[key] = val return ndict
def get_span_char_width(span, column_widths): """ Sum the widths of the columns that make up the span, plus the extra. Parameters ---------- span : list of lists of int list of [row, column] pairs that make up the span column_widths : list of int The widths of the columns that m...
def rebuild_encrypted_properties(old_key, model, properties): """Rebuild a model's EncryptedType properties when the SECRET_KEY is changed. :param old_key: old SECRET_KEY. :param model: the affected db model. :param properties: list of properties to rebuild. """ inspector = reflection.Inspector...
def create_alembic_version_table(): """Create alembic_version table.""" alembic = current_app.extensions['invenio-db'].alembic if not alembic.migration_context._has_version_table(): alembic.migration_context._ensure_version_table() for head in alembic.script_directory.revision_map._real_head...
def drop_alembic_version_table(): """Drop alembic_version table.""" if _db.engine.dialect.has_table(_db.engine, 'alembic_version'): alembic_version = _db.Table('alembic_version', _db.metadata, autoload_with=_db.engine) alembic_version.drop(bind=_db.engine)
def versioning_model_classname(manager, model): """Get the name of the versioned model class.""" if manager.options.get('use_module_name', True): return '%s%sVersion' % ( model.__module__.title().replace('.', ''), model.__name__) else: return '%sVersion' % (model.__name__,)
def versioning_models_registered(manager, base): """Return True if all versioning models have been registered.""" declared_models = base._decl_class_registry.keys() return all(versioning_model_classname(manager, c) in declared_models for c in manager.pending_classes)
def vector_to_symmetric(v): '''Convert an iterable into a symmetric matrix.''' np = len(v) N = (int(sqrt(1 + 8*np)) - 1)//2 if N*(N+1)//2 != np: raise ValueError('Cannot convert vector to symmetric matrix') sym = ndarray((N,N)) iterable = iter(v) for r in range(N): f...
def cov(self, ddof=None, bias=0): '''The covariance matrix from the aggregate sample. It accepts an optional parameter for the degree of freedoms. :parameter ddof: If not ``None`` normalization is by (N - ddof), where N is the number of observations; this overrides the value im...
def corr(self): '''The correlation matrix''' cov = self.cov() N = cov.shape[0] corr = ndarray((N,N)) for r in range(N): for c in range(r): corr[r,c] = corr[c,r] = cov[r,c]/sqrt(cov[r,r]*cov[c,c]) corr[r,r] = 1. return corr
def calmar(sharpe, T = 1.0): ''' Calculate the Calmar ratio for a Weiner process @param sharpe: Annualized Sharpe ratio @param T: Time interval in years ''' x = 0.5*T*sharpe*sharpe return x/qp(x)
def calmarnorm(sharpe, T, tau = 1.0): ''' Multiplicator for normalizing calmar ratio to period tau ''' return calmar(sharpe,tau)/calmar(sharpe,T)
def upgrade(): """Upgrade database.""" op.execute('COMMIT') # See https://bitbucket.org/zzzeek/alembic/issue/123 ctx = op.get_context() metadata = ctx.opts['target_metadata'] metadata.naming_convention = NAMING_CONVENTION metadata.bind = ctx.connection.engine insp = Inspector.from_engine(ct...
def data2simplerst(table, spans=[[[0, 0]]], use_headers=True, headers_row=0): """ Convert table data to a simple rst table Parameters ---------- table : list of lists of str A table of strings. spans : list of lists of lists of int A list of spans. A span is a list of [Row, Colu...
def add_links(converted_text, html): """ Add the links to the bottom of the text """ soup = BeautifulSoup(html, 'html.parser') link_exceptions = [ 'footnote-reference', 'fn-backref', 'citation-reference' ] footnotes = {} citations = {} backrefs = {} lin...
def load(self, providers, symbols, start, end, logger, backend, **kwargs): '''Load symbols data. :keyword providers: Dictionary of registered data providers. :keyword symbols: list of symbols to load. :keyword start: start date. :keyword end: end date. :keyword lo...
def dates(self, start, end): '''Internal function which perform pre-conditioning on dates: :keyword start: start date. :keyword end: end date. This function makes sure the *start* and *end* date are consistent. It *never fails* and always return a two-element tuple containing *start*, *end* with *star...
def parse_symbol(self, symbol, providers): '''Parse a symbol to obtain information regarding ticker, field and provider. Must return an instance of :attr:`symboldata`. :keyword symbol: string associated with market data to load. :keyword providers: dictionary of :class:`dynts.data....
def symbol_for_ticker(self, ticker, field, provider, providers): '''Return an instance of *symboldata* containing information about the data provider, the data provider ticker name and the data provider field.''' provider = provider or settings.default_provider if provider: pro...
def preprocess(self, ticker, start, end, logger, backend, **kwargs): '''Preprocess **hook**. This is first loading hook and it is **called before requesting data** from a dataprovider. It must return an instance of :attr:`TimeSerieLoader.preprocessdata`. By default it returns:: self.preprocessdata(in...
def register(self, provider): '''Register a new data provider. *provider* must be an instance of DataProvider. If provider name is already available, it will be replaced.''' if isinstance(provider,type): provider = provider() self[provider.code] = provider
def unregister(self, provider): '''Unregister an existing data provider. *provider* must be an instance of DataProvider. If provider name is already available, it will be replaced. ''' if isinstance(provider, type): provider = provider() if isinstance...
def parse(timeseries_expression, method=None, functions=None, debug=False): '''Function for parsing :ref:`timeseries expressions <dsl-script>`. If succesful, it returns an instance of :class:`dynts.dsl.Expr` which can be used to to populate timeseries or scatters once data is available. Parsing is...
def evaluate(expression, start=None, end=None, loader=None, logger=None, backend=None, **kwargs): '''Evaluate a timeseries ``expression`` into an instance of :class:`dynts.dsl.dslresult` which can be used to obtain timeseries and/or scatters. This is probably the most used function of ...
def grid2data(text): """ Convert Grid table to data (the kind used by Dashtable) Parameters ---------- text : str The text must be a valid rst table Returns ------- table : list of lists of str spans : list of lists of lists of int A span is a list of [row, column] p...
def get_consensus_tree(self, cutoff=0.0, best_tree=None): """ Returns an extended majority rule consensus tree as a Toytree object. Node labels include 'support' values showing the occurrence of clades in the consensus tree across trees in the input treelist. Clades with suppor...
def draw_tree_grid(self, nrows=None, ncols=None, start=0, fixed_order=False, shared_axis=False, **kwargs): """ Draw a slice of x*y trees into a x,y grid non-overlapping. Parameters: ----------- x (int): N...
def draw_cloud_tree(self, axes=None, html=False, fixed_order=True, **kwargs): """ Draw a series of trees overlapping each other in coordinate space. The order of tip_labels is fixed in cloud trees so that trees with discordant relationships can be seen ...
def hash_trees(self): "hash ladderized tree topologies" observed = {} for idx, tree in enumerate(self.treelist): nwk = tree.write(tree_format=9) hashed = md5(nwk.encode("utf-8")).hexdigest() if hashed not in observed: observed[hashed] = ...
def find_clades(self): "Count clade occurrences." # index names from the first tree ndict = {j: i for i, j in enumerate(self.names)} namedict = {i: j for i, j in enumerate(self.names)} # store counts clade_counts = {} for tidx, ncopies in self.treedict.items(): ...
def filter_clades(self): "Remove conflicting clades and those < cutoff to get majority rule" passed = [] carrs = np.array([list(i[0]) for i in self.clade_counts], dtype=int) freqs = np.array([i[1] for i in self.clade_counts]) for idx in range(carrs.shape[0]): conflic...
def build_trees(self): "Build an unrooted consensus tree from filtered clade counts." # storage nodes = {} idxarr = np.arange(len(self.fclade_counts[0][0])) queue = [] ## create dict of clade counts and set keys countdict = defaultdict(int) for clade, co...
def sounds_like(self, word1, word2): """Compare the phonetic representations of 2 words, and return a boolean value.""" return self.phonetics(word1) == self.phonetics(word2)
def distance(self, word1, word2, metric='levenshtein'): """Get the similarity of the words, using the supported distance metrics.""" if metric in self.distances: distance_func = self.distances[metric] return distance_func(self.phonetics(word1), self.phonetics(word2)) else...
def get_output_row_heights(table, spans): """ Get the heights of the rows of the output table. Parameters ---------- table : list of lists of str spans : list of lists of int Returns ------- heights : list of int The heights of each row in the output table """ heigh...
def smedian(olist,nobs): '''Generalised media for odd and even number of samples''' if nobs: rem = nobs % 2 midpoint = nobs // 2 me = olist[midpoint] if not rem: me = 0.5 * (me + olist[midpoint-1]) return me else: return NaN
def roll_mean(input, window): '''Apply a rolling mean function to an array. This is a simple rolling aggregation.''' nobs, i, j, sum_x = 0,0,0,0. N = len(input) if window > N: raise ValueError('Out of bound') output = np.ndarray(N-window+1,dtype=input.dtype) for val in inpu...
def roll_sd(input, window, scale = 1.0, ddof = 0): '''Apply a rolling standard deviation function to an array. This is a simple rolling aggregation of squared sums.''' nobs, i, j, sx, sxx = 0,0,0,0.,0. N = len(input) sqrt = np.sqrt if window > N: raise ValueError('Out of bound') ...
def check_span(span, table): """ Ensure the span is valid. A span is a list of [row, column] pairs. These coordinates must form a rectangular shape. For example, this span will cause an error because it is not rectangular in shape.:: span = [[0, 1], [0, 2], [1, 0]] Spans must be ...
def merge_all_cells(cells): """ Loop through list of cells and piece them together one by one Parameters ---------- cells : list of dashtable.data2rst.Cell Returns ------- grid_table : str The final grid table """ current = 0 while len(cells) > 1: count = 0...
def bpp2newick(bppnewick): "converts bpp newick format to normal newick" regex1 = re.compile(r" #[-+]?[0-9]*\.?[0-9]*[:]") regex2 = re.compile(r" #[-+]?[0-9]*\.?[0-9]*[;]") regex3 = re.compile(r": ") new = regex1.sub(":", bppnewick) new = regex2.sub(";", new) new = regex3.sub(":", new) r...
def return_small_clade(treenode): "used to produce balanced trees, returns a tip node from the smaller clade" node = treenode while 1: if node.children: c1, c2 = node.children node = sorted([c1, c2], key=lambda x: len(x.get_leaves()))[0] else: return node
def fuzzy_match_tipnames(ttree, names, wildcard, regex, mrca=True, mono=True): """ Used in multiple internal functions (e.g., .root()) and .drop_tips()) to select an internal mrca node, or multiple tipnames, using fuzzy matching so that every name does not need to be written out by hand. name: verb...
def node_scale_root_height(self, treeheight=1): """ Returns a toytree copy with all nodes scaled so that the root height equals the value entered for treeheight. """ # make tree height = 1 * treeheight ctree = self._ttree.copy() _height = ctree.treenode.height ...
def node_slider(self, seed=None): """ Returns a toytree copy with node heights modified while retaining the same topology but not necessarily node branching order. Node heights are moved up or down uniformly between their parent and highest child node heights in 'levelorder' f...
def node_multiplier(self, multiplier=0.5, seed=None): """ Returns a toytree copy with all nodes multiplied by a constant sampled uniformly between (multiplier, 1/multiplier). """ random.seed(seed) ctree = self._ttree.copy() low, high = sorted([multiplier, 1. / mu...
def make_ultrametric(self, strategy=1): """ Returns a tree with branch lengths transformed so that the tree is ultrametric. Strategies include (1) tip-align: extend tips to the length of the fartest tip from the root; (2) non-parametric rate-smoothing: minimize ancestor-descend...
def coaltree(ntips, ne=None, seed=None): """ Returns a coalescent tree with ntips samples and waiting times between coalescent events drawn from the kingman coalescent: (4N)/(k*(k-1)), where N is population size and k is sample size. Edge lengths on the tree are in generations. ...
def unittree(ntips, treeheight=1.0, seed=None): """ Returns a random tree topology w/ N tips and a root height set to 1 or a user-entered treeheight value. Descendant nodes are evenly spaced between the root and time 0. Parameters ----------- ntips (int): ...
def imbtree(ntips, treeheight=1.0): """ Return an imbalanced (comb-like) tree topology. """ rtree = toytree.tree() rtree.treenode.add_child(name="0") rtree.treenode.add_child(name="1") for i in range(2, ntips): # empty node cherry = toytre...
def baltree(ntips, treeheight=1.0): """ Returns a balanced tree topology. """ # require even number of tips if ntips % 2: raise ToytreeError("balanced trees must have even number of tips.") # make first cherry rtree = toytree.tree() rtree.tree...
def get_span_char_height(span, row_heights): """ Get the height of a span in the number of newlines it fills. Parameters ---------- span : list of list of int A list of [row, column] pairs that make up the span row_heights : list of int A list of the number of newlines for each ...
def html2data(html_string): """ Convert an html table to a data table and spans. Parameters ---------- html_string : str The string containing the html table Returns ------- table : list of lists of str spans : list of lists of lists of int A span is a list of [row,...
def newick(self, tree_format=0): "Returns newick represenation of the tree in its current state." # checks one of root's children for features and extra feats. if self.treenode.children: features = {"name", "dist", "support", "height", "idx"} testnode = self.treenode.chil...
def get_edge_values(self, feature='idx'): """ Returns edge values in the order they are plotted (see .get_edges()) """ elist = [] for cidx in self._coords.edges[:, 1]: node = self.treenode.search_nodes(idx=cidx)[0] elist.append( (node.__get...
def get_edge_values_from_dict(self, node_value_dict=None, include_stem=True): """ Enter a dictionary mapping node 'idx' or tuple of tipnames to values that you want mapped to the stem and descendant edges that node. Edge values are returned in proper plot order to be entered to the ...
def get_mrca_idx_from_tip_labels(self, names=None, wildcard=None, regex=None): """ Returns the node idx label of the most recent common ancestor node for the clade that includes the selected tips. Arguments can use fuzzy name matching: a list of tip names, wildcard selector, or regex st...
def get_node_values( self, feature=None, show_root=False, show_tips=False, ): """ Returns node values from tree object in node plot order. To modify values you must modify the .treenode object directly by setting new 'features'. For example ...
def get_node_dict(self, return_internal=False, return_nodes=False): """ Return node labels as a dictionary mapping {idx: name} where idx is the order of nodes in 'preorder' traversal. Used internally by the func .get_node_values() to return values in proper order. return_inter...
def get_tip_coordinates(self, axis=None): """ Returns coordinates of the tip positions for a tree. If no argument for axis then a 2-d array is returned. The first column is the x coordinates the second column is the y-coordinates. If you enter an argument for axis then a 1-d ar...
def get_tip_labels(self, idx=None): """ Returns tip labels in the order they will be plotted on the tree, i.e., starting from zero axis and counting up by units of 1 (bottom to top in right-facing trees; left to right in down-facing). If 'idx' is indicated then a list of tip la...
def is_bifurcating(self, include_root=True): """ Returns False if there is a polytomy in the tree, including if the tree is unrooted (basal polytomy), unless you use the include_root=False argument. """ ctn1 = -1 + (2 * len(self)) ctn2 = -2 + (2 * len(self)) ...
def ladderize(self, direction=0): """ Ladderize tree (order descendants) so that top child has fewer descendants than the bottom child in a left to right tree plot. To reverse this pattern use direction=1. """ nself = deepcopy(self) nself.treenode.ladderize(dire...
def collapse_nodes(self, min_dist=1e-6, min_support=0): """ Returns a copy of the tree where internal nodes with dist <= min_dist are deleted, resulting in a collapsed tree. e.g.: newtre = tre.collapse_nodes(min_dist=0.001) newtre = tre.collapse_nodes(min_support=50) """...
def drop_tips(self, names=None, wildcard=None, regex=None): """ Returns a copy of the tree with the selected tips removed. The entered value can be a name or list of names. To prune on an internal node to create a subtree see the .prune() function instead. Parameters: ti...
def rotate_node( self, names=None, wildcard=None, regex=None, idx=None, # modify_tree=False, ): """ Returns a ToyTree with the selected node rotated for plotting. tip colors do not align correct currently if nodes are rotated... ...
def resolve_polytomy( self, dist=1.0, support=100, recursive=True): """ Returns a copy of the tree with all polytomies randomly resolved. Does not transform tree in-place. """ nself = self.copy() nself.treenode.resolve_polytomy( ...
def unroot(self): """ Returns a copy of the tree unrooted. Does not transform tree in-place. """ nself = self.copy() nself.treenode.unroot() nself.treenode.ladderize() nself._coords.update() return nself
def root(self, names=None, wildcard=None, regex=None): """ (Re-)root a tree by creating selecting a existing split in the tree, or creating a new node to split an edge in the tree. Rooting location is selected by entering the tips descendant from one child of the root split (e.g....
def draw( self, tree_style=None, height=None, width=None, axes=None, orient=None, tip_labels=None, tip_labels_colors=None, tip_labels_style=None, tip_labels_align=None, node_labels=None, node_labels_style=None, ...
def get_merge_direction(cell1, cell2): """ Determine the side of cell1 that can be merged with cell2. This is based on the location of the two cells in the table as well as the compatability of their height and width. For example these cells can merge:: cell1 cell2 merge "RIGHT" ...
def parse_nhx(NHX_string): """ NHX format: [&&NHX:prop1=value1:prop2=value2] MB format: ((a[&Z=1,Y=2], b[&Z=1,Y=2]):1.0[&L=1,W=0], ... """ # store features ndict = {} # parse NHX or MB features if "[&&NHX:" in NHX_string: NHX_string = NHX_string.replace("[&&NHX:", "") ...
def get_data_from_intree(self): """ Load *data* from a file or string and return as a list of strings. The data contents could be one newick string; a multiline NEXUS format for one tree; multiple newick strings on multiple lines; or multiple newick strings in a multiline NEXUS f...
def parse_nexus(self): "get newick data from NEXUS" if self.data[0].strip().upper() == "#NEXUS": nex = NexusParser(self.data) self.data = nex.newicks self.tdict = nex.tdict
def get_treenodes(self): "test format of intree nex/nwk, extra features" if not self.multitree: # get TreeNodes from Newick extractor = Newick2TreeNode(self.data[0].strip(), fmt=self.fmt) # extract one tree self.treenodes.append(extractor.newick_...
def newick_from_string(self): "Reads a newick string in the New Hampshire format." # split on parentheses to traverse hierarchical tree structure for chunk in self.data.split("(")[1:]: # add child to make this node a parent. self.current_parent = ( self.r...
def extract_tree_block(self): "iterate through data file to extract trees" lines = iter(self.data) while 1: try: line = next(lines).strip() except StopIteration: break # enter trees block if line.lower(...
def parse_command_line(): """ Parse CLI args.""" ## create the parser parser = argparse.ArgumentParser( formatter_class=argparse.RawDescriptionHelpFormatter, epilog=""" * Example command-line usage: ## push test branch to conda --label=conda-test for travis CI ./versioner.py -p toyt...
def get_git_status(self): """ Gets git and init versions and commits since the init version """ ## get git branch self._get_git_branch() ## get tag in the init file self._get_init_release_tag() ## get log commits since <tag> try: self...
def push_git_package(self): """ if no conflicts then write new tag to """ ## check for conflicts, then write to local files self._pull_branch_from_origin() ## log commits to releasenotes if self.deploy: self._write_commits_to_release_notes() ...
def _pull_branch_from_origin(self): """ Pulls from origin/master, if you have unmerged conflicts it will raise an exception. You will need to resolve these. """ try: ## self.repo.git.pull() subprocess.check_call(["git", "pull", "origin", self.branch]) ...
def _get_init_release_tag(self): """ parses init.py to get previous version """ self.init_version = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]", open(self.init_file, "r").read(), re.M).group(1)
def _get_log_commits(self): """ calls git log to complile a change list """ ## check if update is necessary cmd = "git log --pretty=oneline {}..".format(self.init_version) cmdlist = shlex.split(cmd) commits = subprocess.check_output(cmdlist) ## Sp...
def _write_commits_to_release_notes(self): """ writes commits to the releasenotes file by appending to the end """ with open(self.release_file, 'a') as out: out.write("==========\n{}\n".format(self.tag)) for commit in self.commits: try: ...
def _write_new_tag_to_init(self): """ Write version to __init__.py by editing in place """ for line in fileinput.input(self.init_file, inplace=1): if line.strip().startswith("__version__"): line = "__version__ = \"" + self.tag + "\"" print(line.str...
def _write_branch_and_tag_to_meta_yaml(self): """ Write branch and tag to meta.yaml by editing in place """ ## set the branch to pull source from with open(self.meta_yaml.replace("meta", "template"), 'r') as infile: dat = infile.read() newdat = dat.format(...
def _revert_tag_in_init(self): """ Write version to __init__.py by editing in place """ for line in fileinput.input(self.init_file, inplace=1): if line.strip().startswith("__version__"): line = "__version__ = \"" + self.init_version + "\"" print(li...
def _push_new_tag_to_git(self): """ tags a new release and pushes to origin/master """ print("Pushing new version to git") ## stage the releasefile and initfileb subprocess.call(["git", "add", self.release_file]) subprocess.call(["git", "add", self.in...
def build_conda_packages(self): """ Run the Linux build and use converter to build OSX """ ## check if update is necessary #if self.nversion == self.pversion: # raise SystemExit("Exited: new version == existing version") ## tmp dir bldir = "./tmp-bld" ...
def get_span_row_count(span): """ Gets the number of rows included in a span Parameters ---------- span : list of lists of int The [row, column] pairs that make up the span Returns ------- rows : int The number of rows included in the span Example ------- C...
def asarray(x, dtype=None): '''Convert ``x`` into a ``numpy.ndarray``.''' iterable = scalarasiter(x) if isinstance(iterable, ndarray): return iterable else: if not hasattr(iterable, '__len__'): iterable = list(iterable) if dtype == object_type: a ...
def ascolumn(x, dtype = None): '''Convert ``x`` into a ``column``-type ``numpy.ndarray``.''' x = asarray(x, dtype) return x if len(x.shape) >= 2 else x.reshape(len(x),1)