state_reader

sans.guiframe.state_reader

class sans.guiframe.state_reader.Reader1D

read state of a plugin and available data

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

class sans.guiframe.state_reader.Reader2D

Class to load a basic guiframe state

read(path)

Load a new P(r) inversion state from file

Parameters:path – file path

write(filename, datainfo=None, fitstate=None)

Write the content of a Data1D as a CanSAS XML file only for standalone

Parameters:

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

write_toXML(datainfo=None, state=None)

Write toXML, a helper for write() , could be used by guimanager._on_save()

: return: xml doc

sans.guiframe.state_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

sans.guiframe.state_reader.get_float(location, node)

Get the content of a node as a float

Parameters:

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

sans.guiframe.state_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