cansas_reader

DataLoader.readers.cansas_reader

class DataLoader.readers.cansas_reader.Reader

Class to load cansas 1D XML files

Dependencies :The CanSas reader requires PyXML 0.8.4 or later.

read(path)

Load data file

Parameters:

path – file path

Returns:

Data1D object if a single SASentry was found, or a list of Data1D objects if multiple entries were found, or None of nothing was found

Raises:

• RuntimeError – when the file can’t be opened
• ValueError – when the length of the data vectors are inconsistent

write(filename, datainfo)

Write the content of a Data1D as a CanSAS XML file

Parameters:

• filename – name of the file to write
• datainfo – Data1D object

DataLoader.readers.cansas_reader.get_content(location, node)

Get the first instance of the content of a xpath location.

Parameters:

• location – xpath location
• node – node to start at

Returns:

Element, or None

DataLoader.readers.cansas_reader.get_float(location, node)

Get the content of a node as a float

Parameters:

• location – xpath location
• node – node to start at

DataLoader.readers.cansas_reader.write_node(doc, parent, name, value, attr={})

Parameters:

• doc – document DOM
• parent – parent node
• name – tag of the element
• value – value of the child text node
• attr – attribute dictionary

Returns:

True if something was appended, otherwise False