numina.util
— Generic utilities¶
numina.util.context
— Context managers¶
- numina.util.context.environ(**keys)¶
Context manager that records environment
- numina.util.context.manage_fits(list_of_frame)¶
Manage a list of FITS resources
- numina.util.context.working_directory(path)¶
A context manager which changes the working directory to the given path, and then changes it back to its previous value on exit.
numina.util.convert
— Conversors¶
Convert strings to values in data load
- numina.util.convert.convert_date(value)¶
Convert any string to datetime
- Parameters:
value (str or datetime) –
numina.util.convertfunc
— Conversors¶
Convert strings to functions in data load
- numina.util.convertfunc.json_deserial_func_p(args)¶
Rebuild Polynomial :param args:
- Return type:
nppol.Polynomial
- numina.util.convertfunc.json_deserial_func_u(args)¶
Rebuild UnivariateSpline
- Parameters:
args –
- Return type:
UnivariateSpline
numina.util.flow
— Flow objects¶
- exception numina.util.flow.FlowError¶
Error base class for flows.
- class numina.util.flow.MixerFlow(table)¶
- class numina.util.flow.ParallelFlow(nodeseq)¶
A flow where Nodes are executed in parallel.
- class numina.util.flow.SerialFlow(nodeseq)¶
A flow where Nodes are executed sequentially.
numina.util.node
— Node objects¶
- class numina.util.node.IdNode¶
A Node that returns its inputs.
- class numina.util.node.Node(ninputs=1, noutputs=1)¶
An elemental operation in a Flow.
- class numina.util.node.OutputSelector(ninputs, indexes)¶
A Node that returns part of the results.
numina.util.fqn
— FQN¶
Manage a fully qualified name for classes
- numina.util.fqn.fully_qualified_name(obj, sep='.')¶
Return fully qualified name from object
numina.util.jsonencoder
— Extended JSON encoder¶
- class numina.util.jsonencoder.ExtEncoder(*, skipkeys=False, ensure_ascii=True, check_circular=True, allow_nan=True, sort_keys=False, indent=None, separators=None, default=None)¶
“Encode numpy.floats and numpy.integer
- default(obj)¶
Implement this method in a subclass such that it returns a serializable object for
o
, or calls the base implementation (to raise aTypeError
).For example, to support arbitrary iterators, you could implement default like this:
def default(self, o): try: iterable = iter(o) except TypeError: pass else: return list(iterable) # Let the base class default method raise the TypeError return JSONEncoder.default(self, o)
numina.util.namespace
— Generic Namespace¶
- class numina.util.namespace.Namespace(**kwargs)¶
Namespace class, like argparse.Namespace
>>> nm = Namespace(a=1, b="field") >>> nm.a == 1 >>> nm.b == "field"
numina.util.objimport
— Import objects¶
Import objects by name
- numina.util.objimport.import_object(path)¶
Import an object given its fully qualified name.
numina.util.parser
— Miniparser¶
- numina.util.parser.parse_arg_line(fargs)¶
parse limited form of arguments of function
in the form a=1, b=’c’ as a dictionary