pagestate.py @ 552b3d5

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload

Last change on this file since 552b3d5 was dce84c0, checked in by Gervaise Alina <gervyh@…>, 14 years ago
working on freeze
Property mode set to `100644`
File size: 54.9 KB

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2
3	################################################################################
4	#This software was developed by the University of Tennessee as part of the
5	#Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
6	#project funded by the US National Science Foundation.
7	#
8	#See the license text in license.txt
9	#
10	#copyright 2009, University of Tennessee
11	################################################################################
12
13	import time
14	import os
15	import sys
16	import copy
17	import logging
18	import numpy
19
20	import xml.dom.minidom
21	from xml.dom.minidom import parse
22	from lxml import etree
23
24	import DataLoader
25	from DataLoader.readers.cansas_reader import Reader as CansasReader
26	from DataLoader.readers.cansas_reader import get_content, write_node
27	from DataLoader.data_info import Data2D, Detector
28
29	#Information to read/write state as xml
30	FITTING_NODE_NAME = 'fitting_plug_in'
31	CANSAS_NS = "cansas1d/1.0"
32
33	list_of_data_attributes = [["is_data", "is_data", "bool"],
34	["group_id", "data_group_id", "string"],
35	["data_name", "data_name", "string"],
36	["data_id", "data_id", "string"],
37	["name", "name", "string"],
38	["data_name", "data_name", "string"]]
39	list_of_state_attributes = [["engine_type", "engine_type", "string"],
40	["qmin", "qmin", "float"],
41	["qmax", "qmax", "float"],
42	["npts", "npts", "float"],
43	["shape_rbutton", "shape_rbutton", "bool"],
44	["shape_indep_rbutton", "shape_indep_rbutton", "bool"],
45	["plugin_rbutton", "plugin_rbutton","bool"],
46	["struct_rbutton", "struct_rbutton", "bool"],
47	["formfactorcombobox", "formfactorcombobox", "float"],
48	["structurecombobox", "structurecombobox", "float"],
49	["disp_box", "disp_box", "float"],
50	["enable_smearer","enable_smearer","bool"],
51	["disable_smearer","disable_smearer","bool"],
52	["pinhole_smearer","pinhole_smearer","bool"],
53	["slit_smearer","slit_smearer","bool"],
54	["enable_disp","enable_disp","bool"],
55	["disable_disp","disable_disp","bool"],
56	["slit_smearer","slit_smearer","bool"],
57	["enable2D","enable2D","bool"],
58	["cb1","cb1","bool"],
59	["tcChi","tcChi","float"],
60	["smearer", "smearer", "float"],
61	["smear_type","smear_type", "string"],
62	["dq_l", "dq_l", "string"],
63	["dq_r","dq_r", "string"]]
64
65	list_of_model_attributes = [["values", "values"],
66	["weights", "weights"]]
67
68	list_of_state_parameters = [["parameters", "parameters"] ,
69	["str_parameters", "str_parameters"] ,
70	["orientation_parameters", "orientation_params"],
71	["dispersity_parameters", "orientation_params_disp"],
72	["fixed_param", "fixed_param"],
73	["fittable_param","fittable_param"]]
74	list_of_data_2d_attr = [["xmin", "xmin","float"],
75	["xmax","xmax","float"],
76	["ymin","ymin","float"],
77	["ymax","ymax","float"],
78	["_xaxis","_xaxis", "string"],
79	["_xunit", "_xunit", "string"],
80	["_yaxis","_yaxis","string"],
81	["_yunit","_yunit","string"],
82	["_zaxis","_zaxis","string"],
83	["_zunit","_zunit","string"]]
84	list_of_data2d_values = [["qx_data","qx_data","float"],
85	["qy_data","qy_data","float"],
86	["dqx_data","dqx_data","float"],
87	["dqy_data","dqy_data","float"],
88	["data","data","float"],
89	["q_data","q_data","float"],
90	["err_data","err_data","float"],
91	["mask","mask","bool"]]
92
93	def parse_entry_helper( node, item):
94	"""
95	Create a numpy list from value extrated from the node
96
97	:param node: node from each the value is stored
98	:param item: list name of three strings.the two first are name of data
99	attribute and the third one is the type of the value of that
100	attribute. type can be string, float, bool, etc.
101
102	: return: numpy array
103	"""
104	if node is not None:
105	if item[2] == "string":
106	return str(node.get(item[0]).strip())
107	elif item[2] == "bool":
108	try:
109	return node.get(item[0]).strip() == "True"
110
111	except:
112	return None
113	else:
114	try:
115	return float(node.get(item[0]))
116	except:
117	return None
118
119
120	class PageState(object):
121	"""
122	Contains information to reconstruct a page of the fitpanel.
123	"""
124	def __init__(self, parent=None, model=None, data=None):
125
126	"""
127	Initialize the current state
128
129	:param model: a selected model within a page
130	:param data:
131
132	"""
133	self.file = None
134	#Time of state creation
135	self.timestamp = time.time()
136	## Data member to store the dispersion object created
137	self._disp_obj_dict = {}
138	#------------------------
139	#Data used for fitting
140	self.data = data
141	#save additional information on data that dataloader.reader does not read
142	self.is_data = None
143	self.data_name = ""
144
145	if self.data is not None:
146	self.data_name = self.data.name
147	self.data_id = None
148	if self.data is not None and hasattr(self.data, "id"):
149	self.data_id = self.data.id
150	self.data_group_id = None
151	if self.data is not None and hasattr(self.data, "group_id"):
152	self.data_group_id = self.data.group_id
153
154	## reset True change the state of exsiting button
155	self.reset = False
156
157	#engine type
158	self.engine_type = None
159	# flag to allow data2D plot
160	self.enable2D = False
161	# model on which the fit would be performed
162	self.model = model
163	#list of process done to model
164	self.process = []
165	#fit page manager
166	self.manager = None
167	#Store the parent of this panel parent
168	# For this application fitpanel is the parent
169	self.parent = parent
170	# Event_owner is the owner of model event
171	self.event_owner = None
172	##page name
173	self.page_name = ""
174	# Contains link between model ,all its parameters, and panel organization
175	self.parameters = []
176	# String parameter list that can not be fitted
177	self.str_parameters = []
178	# Contains list of parameters that cannot be fitted and reference to
179	#panel objects
180	self.fixed_param = []
181	# Contains list of parameters with dispersity and reference to
182	#panel objects
183	self.fittable_param = []
184	## orientation parameters
185	self.orientation_params = []
186	## orientation parmaters for gaussian dispersity
187	self.orientation_params_disp = []
188	## smearer info
189	self.smearer = None
190	self.smear_type = None
191	self.dq_l = None
192	self.dq_r = None
193
194	#list of dispersion paramaters
195	self.disp_list =[]
196	if self.model is not None:
197	self.disp_list = self.model.getDispParamList()
198	self._disp_obj_dict = {}
199	self.disp_cb_dict = {}
200	self.values = []
201	self.weights = []
202
203	#contains link between a model and selected parameters to fit
204	self.param_toFit = []
205	##dictionary of model type and model class
206	self.model_list_box = None
207	## save the state of the context menu
208	self.saved_states = {}
209	## save selection of combobox
210	self.formfactorcombobox = None
211	self.structurecombobox = None
212	## radio box to select type of model
213	self.shape_rbutton = False
214	self.shape_indep_rbutton = False
215	self.struct_rbutton = False
216	self.plugin_rbutton = False
217	## the indice of the current selection
218	self.disp_box = 0
219	## Qrange
220	## Q range
221	self.qmin = 0.001
222	self.qmax = 0.1
223	#reset data range
224	self.qmax_x = None
225	self.qmin_x = None
226
227	self.npts = None
228	self.name = ""
229	self.multi_factor = None
230	## enable smearering state
231	self.enable_smearer = False
232	self.disable_smearer = True
233	self.pinhole_smearer = False
234	self.slit_smearer = False
235	## disperity selection
236	self.enable_disp = False
237	self.disable_disp = True
238
239	## state of selected all check button
240	self.cb1 = False
241	## store value of chisqr
242	self.tcChi = None
243
244	def clone(self):
245	"""
246	Create a new copy of the current object
247	"""
248	model = None
249	if self.model is not None:
250	model = self.model.clone()
251	model.name = self.model.name
252	obj = PageState(self.parent, model=model)
253	obj.file = copy.deepcopy(self.file)
254	obj.data = copy.deepcopy(self.data)
255	if self.data is not None:
256	self.data_name = self.data.name
257	obj.data_name = self.data_name
258	obj.is_data = self.is_data
259	obj.model_list_box = copy.deepcopy(self.model_list_box)
260	obj.engine_type = copy.deepcopy(self.engine_type)
261
262	obj.formfactorcombobox = self.formfactorcombobox
263	obj.structurecombobox = self.structurecombobox
264
265	obj.shape_rbutton = self.shape_rbutton
266	obj.shape_indep_rbutton = self.shape_indep_rbutton
267	obj.struct_rbutton = self.struct_rbutton
268	obj.plugin_rbutton = self.plugin_rbutton
269
270	obj.manager = self.manager
271	obj.event_owner = self.event_owner
272	obj.disp_list = copy.deepcopy(self.disp_list)
273
274	obj.enable2D = copy.deepcopy(self.enable2D)
275	obj.parameters = copy.deepcopy(self.parameters)
276	obj.str_parameters = copy.deepcopy(self.str_parameters)
277	obj.fixed_param = copy.deepcopy(self.fixed_param)
278	obj.fittable_param = copy.deepcopy(self.fittable_param)
279	obj.orientation_params = copy.deepcopy(self.orientation_params)
280	obj.orientation_params_disp = copy.deepcopy(self.orientation_params_disp)
281	obj.enable_disp = copy.deepcopy(self.enable_disp)
282	obj.disable_disp = copy.deepcopy(self.disable_disp)
283	obj.tcChi = self.tcChi
284
285	if len(self._disp_obj_dict)>0:
286	for k , v in self._disp_obj_dict.iteritems():
287	obj._disp_obj_dict[k]= v
288	if len(self.disp_cb_dict)>0:
289	for k , v in self.disp_cb_dict.iteritems():
290	obj.disp_cb_dict[k]= v
291
292	obj.values = copy.deepcopy(self.values)
293	obj.weights = copy.deepcopy(self.weights)
294	obj.enable_smearer = copy.deepcopy(self.enable_smearer)
295	obj.disable_smearer = copy.deepcopy(self.disable_smearer)
296	obj.pinhole_smearer = copy.deepcopy(self.pinhole_smearer)
297	obj.slit_smearer = copy.deepcopy(self.slit_smearer)
298	obj.smear_type = copy.deepcopy(self.smear_type)
299	obj.dq_l = copy.deepcopy(self.dq_l)
300	obj.dq_r = copy.deepcopy(self.dq_r)
301
302	obj.disp_box = copy.deepcopy(self.disp_box)
303	obj.qmin = copy.deepcopy(self.qmin)
304	obj.qmax = copy.deepcopy(self.qmax)
305	obj.multi_factor = copy.deepcopy(self.multi_factor)
306	obj.npts = copy.deepcopy(self.npts )
307	obj.cb1 = copy.deepcopy(self.cb1)
308	obj.smearer = copy.deepcopy(self.smearer)
309
310	for name, state in self.saved_states.iteritems():
311	copy_name = copy.deepcopy(name)
312	copy_state = state.clone()
313	obj.saved_states[copy_name]= copy_state
314	return obj
315
316	def _repr_helper(self, list, rep):
317	"""
318	Helper method to print a state
319	"""
320	for item in list:
321	rep += "parameter name: %s \n"%str(item[1])
322	rep += "value: %s\n"%str(item[2])
323	rep += "selected: %s\n"%str(item[0])
324	rep += "error displayed : %s \n"%str(item[4][0])
325	rep += "error value:%s \n"%str(item[4][1])
326	rep += "minimum displayed : %s \n"%str(item[5][0])
327	rep += "minimum value : %s \n"%str(item[5][1])
328	rep += "maximum displayed : %s \n"%str(item[6][0])
329	rep += "maximum value : %s \n"%str(item[6][1])
330	rep += "parameter unit: %s\n\n"%str(item[7])
331	return rep
332
333	def __repr__(self):
334	"""
335	output string for printing
336	"""
337	rep = "\nState name: %s\n"%self.file
338	t = time.localtime(self.timestamp)
339	time_str = time.strftime("%b %d %H:%M", t)
340	rep += "State created on : %s\n"%time_str
341	rep += "State form factor combobox selection: %s\n"%self.formfactorcombobox
342	rep += "State structure factor combobox selection: %s\n"%self.structurecombobox
343	rep += "is data : %s\n"%self.is_data
344	rep += "data's name : %s\n"%self.data_name
345	rep += "data's id : %s\n"%self.data_id
346	rep += "model type (form factor) selected: %s\n"%self.shape_rbutton
347	rep += "model type (shape independent) selected: %s\n"%self.shape_indep_rbutton
348	rep += "model type (structure factor) selected: %s\n"%self.struct_rbutton
349	rep += "model type (plug-in ) selected: %s\n"%self.plugin_rbutton
350	rep += "data : %s\n"% str(self.data)
351	rep += "Plotting Range: min: %s, max: %s, steps: %s\n"%(str(self.qmin),
352	str(self.qmax),str(self.npts))
353	rep += "Dispersion selection : %s\n"%str(self.disp_box)
354	rep += "Smearing enable : %s\n"%str(self.enable_smearer)
355	rep += "Smearing disable : %s\n"%str(self.disable_smearer)
356	rep += "Pinhole smearer enable : %s\n"%str(self.pinhole_smearer)
357	rep += "Slit smearer enable : %s\n"%str(self.slit_smearer)
358	rep += "Dispersity enable : %s\n"%str(self.enable_disp)
359	rep += "Dispersity disable : %s\n"%str(self.disable_disp)
360	rep += "Slit smearer enable: %s\n"%str(self.slit_smearer)
361	rep += "2D enable : %s\n"%str(self.enable2D)
362	rep += "All parameters checkbox selected: %s\n"%(self.cb1)
363	rep += "Value of Chisqr : %s\n"%str(self.tcChi)
364	rep += "Smear object : %s\n"%str(self.smearer)
365	rep += "Smear type : %s\n"%(self.smear_type)
366	rep += "dq_l : %s\n"%self.dq_l
367	rep += "dq_r : %s\n"%self.dq_r
368
369	rep += "model : %s\n\n"% str(self.model)
370	rep += "number parameters(self.parameters): %s\n"%len(self.parameters)
371	rep = self._repr_helper( list=self.parameters, rep=rep)
372	rep += "number str_parameters(self.str_parameters): %s\n"%len(self.str_parameters)
373	rep = self._repr_helper( list=self.str_parameters, rep=rep)
374	rep += "number orientation parameters"
375	rep += "(self.orientation_params): %s\n"%len(self.orientation_params)
376	rep = self._repr_helper( list=self.orientation_params, rep=rep)
377	rep += "number dispersity parameters"
378	rep += "(self.orientation_params_disp): %s\n"%len(self.orientation_params_disp)
379	rep = self._repr_helper( list=self.orientation_params_disp, rep=rep)
380
381	return rep
382
383	def _toXML_helper(self, list, element, newdoc):
384	"""
385	Helper method to create xml file for saving state
386	"""
387	for item in list:
388	sub_element = newdoc.createElement('parameter')
389	sub_element.setAttribute('name', str(item[1]))
390	sub_element.setAttribute('value', str(item[2]))
391	sub_element.setAttribute('selected_to_fit', str(item[0]))
392	sub_element.setAttribute('error_displayed', str(item[4][0]))
393	sub_element.setAttribute('error_value', str(item[4][1]))
394	sub_element.setAttribute('minimum_displayed', str(item[5][0]))
395	sub_element.setAttribute('minimum_value', str(item[5][1]))
396	sub_element.setAttribute('maximum_displayed', str(item[6][0]))
397	sub_element.setAttribute('maximum_value', str(item[6][1]))
398	sub_element.setAttribute('unit', str(item[7]))
399	element.appendChild(sub_element)
400
401	def toXML(self, file="fitting_state.fitv", doc=None, entry_node=None):
402	"""
403	Writes the state of the InversionControl panel to file, as XML.
404
405	Compatible with standalone writing, or appending to an
406	already existing XML document. In that case, the XML document
407	is required. An optional entry node in the XML document may also be given.
408
409	:param file: file to write to
410	:param doc: XML document object [optional]
411	:param entry_node: XML node within the XML document at which we will append the data [optional]
412
413	"""
414	from xml.dom.minidom import getDOMImplementation
415
416	# Check whether we have to write a standalone XML file
417	if doc is None:
418	impl = getDOMImplementation()
419	doc_type = impl.createDocumentType(FITTING_NODE_NAME, "1.0", "1.0")
420	newdoc = impl.createDocument(None, FITTING_NODE_NAME, doc_type)
421	top_element = newdoc.documentElement
422	else:
423	# We are appending to an existing document
424	newdoc = doc
425	top_element = newdoc.createElement(FITTING_NODE_NAME)
426	if entry_node is None:
427	newdoc.documentElement.appendChild(top_element)
428	else:
429	entry_node.appendChild(top_element)
430
431	attr = newdoc.createAttribute("version")
432	attr.nodeValue = '1.0'
433	top_element.setAttributeNode(attr)
434
435	# File name
436	element = newdoc.createElement("filename")
437	if self.file is not None:
438	element.appendChild(newdoc.createTextNode(str(self.file)))
439	else:
440	element.appendChild(newdoc.createTextNode(str(file)))
441	top_element.appendChild(element)
442
443	element = newdoc.createElement("timestamp")
444	element.appendChild(newdoc.createTextNode(time.ctime(self.timestamp)))
445	attr = newdoc.createAttribute("epoch")
446	attr.nodeValue = str(self.timestamp)
447	element.setAttributeNode(attr)
448	top_element.appendChild(element)
449	# Inputs
450	inputs = newdoc.createElement("Attributes")
451	top_element.appendChild(inputs)
452
453
454	if self.data is not None and hasattr(self.data, "group_id"):
455	self.data_group_id = self.data.group_id
456	if self.data is not None and hasattr(self.data, "is_data"):
457	self.is_data = self.data.is_data
458	if self.data is not None:
459	self.data_name = self.data.name
460	if self.data is not None and hasattr(self.data, "id"):
461	self.data_id = self.data.id
462
463	for item in list_of_data_attributes:
464	element = newdoc.createElement(item[0])
465	exec "element.setAttribute(item[0], str(self.%s))"%(item[1])
466	inputs.appendChild(element)
467
468	for item in list_of_state_attributes:
469	element = newdoc.createElement(item[0])
470	exec "element.setAttribute(item[0], str(self.%s))"%(item[1])
471	inputs.appendChild(element)
472
473	for item in list_of_model_attributes:
474	element = newdoc.createElement(item[0])
475	exec "list = self.%s"%item[1]
476	for value in list:
477	exec "element.appendChild(newdoc.createTextNode(str(%s)))"%value
478	inputs.appendChild(element)
479
480	for item in list_of_state_parameters:
481	element = newdoc.createElement(item[0])
482	exec "self._toXML_helper(list=self.%s, element=element, newdoc=newdoc)"%item[1]
483	inputs.appendChild(element)
484
485	# Save the file
486	if doc is None:
487	fd = open(file, 'w')
488	fd.write(newdoc.toprettyxml())
489	fd.close()
490	return None
491	else:
492	return newdoc.toprettyxml()
493
494	def _fromXML_helper(self, node, list):
495	"""
496	Helper function to write state to xml
497	"""
498	for item in node:
499	try:
500	name = item.get('name')
501	except:
502	name = None
503	try:
504	value = item.get('value')
505	except:
506	value = None
507	try:
508	selected_to_fit = (item.get('selected_to_fit') == "True")
509	except:
510	selected_to_fit = None
511	try:
512	error_displayed = (item.get('error_displayed') == "True")
513	except:
514	error_displayed = None
515	try:
516	error_value = item.get('error_value')
517	except:
518	error_value = None
519	try:
520	minimum_displayed = (item.get('minimum_displayed')== "True")
521	except:
522	minimum_displayed = None
523	try:
524	minimum_value = item.get('minimum_value')
525	except:
526	minimum_value = None
527	try:
528	maximum_displayed = (item.get('maximum_displayed') == "True")
529	except:
530	maximum_displayed = None
531	try:
532	maximum_value = item.get('maximum_value')
533	except:
534	maximum_value = None
535	try:
536	unit = item.get('unit')
537	except:
538	unit = None
539	list.append([selected_to_fit, name, value, "+/-",[error_displayed, error_value],
540	[minimum_displayed,minimum_value],[maximum_displayed,maximum_value], unit])
541
542	def fromXML(self, file=None, node=None):
543	"""
544	Load fitting state from a file
545
546	:param file: .fitv file
547	:param node: node of a XML document to read from
548
549	"""
550	if file is not None:
551	msg = "PageState no longer supports non-CanSAS"
552	msg += " format for fitting files"
553	raise RuntimeError, msg
554
555	if node.get('version')and node.get('version') == '1.0':
556
557	# Get file name
558	entry = get_content('ns:filename', node)
559	if entry is not None:
560	self.file = entry.text.strip()
561
562	# Get time stamp
563	entry = get_content('ns:timestamp', node)
564	if entry is not None and entry.get('epoch'):
565	try:
566	self.timestamp = float(entry.get('epoch'))
567	except:
568	msg = "PageState.fromXML: Could not"
569	msg += " read timestamp\n %s" % sys.exc_value
570	logging.error(msg)
571
572	# Parse fitting attributes
573	entry = get_content('ns:Attributes', node)
574	for item in list_of_data_attributes:
575	node = get_content('ns:%s'%item[0], entry)
576	try:
577	exec "self.%s = parse_entry_helper(node, item)"%item[0]
578
579	except:
580	raise
581
582	if entry is not None:
583
584	for item in list_of_state_attributes:
585	node = get_content('ns:%s'%item[0], entry)
586	try:
587	exec "self.%s = parse_entry_helper(node, item)"%str(item[0])
588	except:
589	raise
590
591	for item in list_of_model_attributes:
592	node = get_content("ns:%s"%item[0], entry)
593	list = []
594	for value in node:
595	try:
596	list.append(float(value))
597	except:
598	list.append(None)
599	exec "self.%s = list"%item[1]
600
601	for item in list_of_state_parameters:
602	node = get_content("ns:%s"%item[0], entry)
603	exec "self._fromXML_helper(node=node, list=self.%s)"%item[1]
604
605
606	class Reader(CansasReader):
607	"""
608	Class to load a .fitv fitting file
609	"""
610	## File type
611	type_name = "Fitting"
612
613	## Wildcards
614	type = ["Fitting files (.fitv)\|.fitv"
615	"SANSView file (.svs)\|.svs"]
616	## List of allowed extensions
617	ext=['.fitv', '.FITV', '.svs', 'SVS']
618
619	def __init__(self, call_back=None, cansas=True):
620	CansasReader.__init__(self)
621	"""
622	Initialize the call-back method to be called
623	after we load a file
624
625	:param call_back: call-back method
626	:param cansas: True = files will be written/read in CanSAS format
627	False = write CanSAS format
628
629	"""
630	## Call back method to be executed after a file is read
631	self.call_back = call_back
632	## CanSAS format flag
633	self.cansas = cansas
634	self.state = None
635	def get_state(self):
636	return self.state
637
638	def read(self, path):
639	"""
640	Load a new P(r) inversion state from file
641
642	:param path: file path
643
644	"""
645	if self.cansas == True:
646	return self._read_cansas(path)
647
648	def _data2d_to_xml_doc(self, datainfo):
649	"""
650	Create an XML document to contain the content of a Data2D
651
652	:param datainfo: Data2D object
653
654	"""
655	if not issubclass(datainfo.__class__, Data2D):
656	raise RuntimeError, "The cansas writer expects a Data2D instance"
657
658	doc = xml.dom.minidom.Document()
659	main_node = doc.createElement("SASroot")
660	main_node.setAttribute("version", self.version)
661	main_node.setAttribute("xmlns", "cansas1d/%s" % self.version)
662	main_node.setAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance")
663	main_node.setAttribute("xsi:schemaLocation", "cansas1d/%s http://svn.smallangles.net/svn/canSAS/1dwg/trunk/cansas1d.xsd" % self.version)
664
665	doc.appendChild(main_node)
666
667	entry_node = doc.createElement("SASentry")
668	main_node.appendChild(entry_node)
669
670	write_node(doc, entry_node, "Title", datainfo.title)
671	if datainfo is not None:
672	write_node(doc, entry_node, "data_class", datainfo.__class__.__name__)
673	for item in datainfo.run:
674	runname = {}
675	if datainfo.run_name.has_key(item) and len(str(datainfo.run_name[item]))>1:
676	runname = {'name': datainfo.run_name[item] }
677	write_node(doc, entry_node, "Run", item, runname)
678	# Data info
679	new_node = doc.createElement("SASdata")
680	entry_node.appendChild(new_node)
681	for item in list_of_data_2d_attr:
682	element = doc.createElement(item[0])
683	exec "element.setAttribute(item[0], str(datainfo.%s))"%(item[1])
684	new_node.appendChild(element)
685
686	for item in list_of_data2d_values:
687	root_node = doc.createElement(item[0])
688	new_node.appendChild(root_node)
689
690	exec "temp_list = datainfo.%s"%item[1]
691
692	if temp_list is None or len(temp_list)== 0:
693	element = doc.createElement(item[0])
694	exec "element.appendChild(doc.createTextNode(str(%s)))"%temp_list
695	root_node.appendChild(element)
696	else:
697	for value in temp_list:
698	element = doc.createElement(item[0])
699	exec "element.setAttribute(item[0], str(%s))"%value
700	root_node.appendChild(element)
701
702	# Sample info
703	sample = doc.createElement("SASsample")
704	if datainfo.sample.name is not None:
705	sample.setAttribute("name", str(datainfo.sample.name))
706	entry_node.appendChild(sample)
707	write_node(doc, sample, "ID", str(datainfo.sample.ID))
708	write_node(doc, sample, "thickness", datainfo.sample.thickness, {"unit":datainfo.sample.thickness_unit})
709	write_node(doc, sample, "transmission", datainfo.sample.transmission)
710	write_node(doc, sample, "temperature", datainfo.sample.temperature, {"unit":datainfo.sample.temperature_unit})
711
712	for item in datainfo.sample.details:
713	write_node(doc, sample, "details", item)
714
715	pos = doc.createElement("position")
716	written = write_node(doc, pos, "x", datainfo.sample.position.x, {"unit":datainfo.sample.position_unit})
717	written = written \| write_node(doc, pos, "y", datainfo.sample.position.y, {"unit":datainfo.sample.position_unit})
718	written = written \| write_node(doc, pos, "z", datainfo.sample.position.z, {"unit":datainfo.sample.position_unit})
719	if written == True:
720	sample.appendChild(pos)
721
722	ori = doc.createElement("orientation")
723	written = write_node(doc, ori, "roll", datainfo.sample.orientation.x, {"unit":datainfo.sample.orientation_unit})
724	written = written \| write_node(doc, ori, "pitch", datainfo.sample.orientation.y, {"unit":datainfo.sample.orientation_unit})
725	written = written \| write_node(doc, ori, "yaw", datainfo.sample.orientation.z, {"unit":datainfo.sample.orientation_unit})
726	if written == True:
727	sample.appendChild(ori)
728
729	# Instrument info
730	instr = doc.createElement("SASinstrument")
731	entry_node.appendChild(instr)
732
733	write_node(doc, instr, "name", datainfo.instrument)
734
735	# Source
736	source = doc.createElement("SASsource")
737	if datainfo.source.name is not None:
738	source.setAttribute("name", str(datainfo.source.name))
739	instr.appendChild(source)
740
741	write_node(doc, source, "radiation", datainfo.source.radiation)
742	write_node(doc, source, "beam_shape", datainfo.source.beam_shape)
743	size = doc.createElement("beam_size")
744	if datainfo.source.beam_size_name is not None:
745	size.setAttribute("name", str(datainfo.source.beam_size_name))
746	written = write_node(doc, size, "x", datainfo.source.beam_size.x, {"unit":datainfo.source.beam_size_unit})
747	written = written \| write_node(doc, size, "y", datainfo.source.beam_size.y, {"unit":datainfo.source.beam_size_unit})
748	written = written \| write_node(doc, size, "z", datainfo.source.beam_size.z, {"unit":datainfo.source.beam_size_unit})
749	if written == True:
750	source.appendChild(size)
751
752	write_node(doc, source, "wavelength", datainfo.source.wavelength, {"unit":datainfo.source.wavelength_unit})
753	write_node(doc, source, "wavelength_min", datainfo.source.wavelength_min, {"unit":datainfo.source.wavelength_min_unit})
754	write_node(doc, source, "wavelength_max", datainfo.source.wavelength_max, {"unit":datainfo.source.wavelength_max_unit})
755	write_node(doc, source, "wavelength_spread", datainfo.source.wavelength_spread, {"unit":datainfo.source.wavelength_spread_unit})
756
757	# Collimation
758	for item in datainfo.collimation:
759	coll = doc.createElement("SAScollimation")
760	if item.name is not None:
761	coll.setAttribute("name", str(item.name))
762	instr.appendChild(coll)
763
764	write_node(doc, coll, "length", item.length, {"unit":item.length_unit})
765
766	for apert in item.aperture:
767	ap = doc.createElement("aperture")
768	if apert.name is not None:
769	ap.setAttribute("name", str(apert.name))
770	if apert.type is not None:
771	ap.setAttribute("type", str(apert.type))
772	coll.appendChild(ap)
773
774	write_node(doc, ap, "distance", apert.distance, {"unit":apert.distance_unit})
775
776	size = doc.createElement("size")
777	if apert.size_name is not None:
778	size.setAttribute("name", str(apert.size_name))
779	written = write_node(doc, size, "x", apert.size.x, {"unit":apert.size_unit})
780	written = written \| write_node(doc, size, "y", apert.size.y, {"unit":apert.size_unit})
781	written = written \| write_node(doc, size, "z", apert.size.z, {"unit":apert.size_unit})
782	if written == True:
783	ap.appendChild(size)
784
785	# Detectors
786	for item in datainfo.detector:
787	det = doc.createElement("SASdetector")
788	written = write_node(doc, det, "name", item.name)
789	written = written \| write_node(doc, det, "SDD", item.distance, {"unit":item.distance_unit})
790	written = written \| write_node(doc, det, "slit_length", item.slit_length, {"unit":item.slit_length_unit})
791	if written == True:
792	instr.appendChild(det)
793
794	off = doc.createElement("offset")
795	written = write_node(doc, off, "x", item.offset.x, {"unit":item.offset_unit})
796	written = written \| write_node(doc, off, "y", item.offset.y, {"unit":item.offset_unit})
797	written = written \| write_node(doc, off, "z", item.offset.z, {"unit":item.offset_unit})
798	if written == True:
799	det.appendChild(off)
800
801	center = doc.createElement("beam_center")
802	written = write_node(doc, center, "x", item.beam_center.x, {"unit":item.beam_center_unit})
803	written = written \| write_node(doc, center, "y", item.beam_center.y, {"unit":item.beam_center_unit})
804	written = written \| write_node(doc, center, "z", item.beam_center.z, {"unit":item.beam_center_unit})
805	if written == True:
806	det.appendChild(center)
807
808	pix = doc.createElement("pixel_size")
809	written = write_node(doc, pix, "x", item.pixel_size.x, {"unit":item.pixel_size_unit})
810	written = written \| write_node(doc, pix, "y", item.pixel_size.y, {"unit":item.pixel_size_unit})
811	written = written \| write_node(doc, pix, "z", item.pixel_size.z, {"unit":item.pixel_size_unit})
812	if written == True:
813	det.appendChild(pix)
814
815	ori = doc.createElement("orientation")
816	written = write_node(doc, ori, "roll", item.orientation.x, {"unit":item.orientation_unit})
817	written = written \| write_node(doc, ori, "pitch", item.orientation.y, {"unit":item.orientation_unit})
818	written = written \| write_node(doc, ori, "yaw", item.orientation.z, {"unit":item.orientation_unit})
819	if written == True:
820	det.appendChild(ori)
821
822	# Processes info
823	for item in datainfo.process:
824	node = doc.createElement("SASprocess")
825	entry_node.appendChild(node)
826
827	write_node(doc, node, "name", item.name)
828	write_node(doc, node, "date", item.date)
829	write_node(doc, node, "description", item.description)
830	for term in item.term:
831	value = term['value']
832	del term['value']
833	write_node(doc, node, "term", value, term)
834	for note in item.notes:
835	write_node(doc, node, "SASprocessnote", note)
836	# Return the document, and the SASentry node associated with
837	# the data we just wrote
838	return doc, entry_node
839
840	def _parse_state(self, entry):
841	"""
842	Read a fit result from an XML node
843
844	:param entry: XML node to read from
845
846	:return: PageState object
847	"""
848	# Create an empty state
849	state = None
850	# Locate the P(r) node
851	try:
852	nodes = entry.xpath('ns:%s' % FITTING_NODE_NAME, namespaces={'ns': CANSAS_NS})
853	if nodes !=[]:
854	# Create an empty state
855	state = PageState()
856	state.fromXML(node=nodes[0])
857	except:
858	logging.info("XML document does not contain fitting information.\n %s" % sys.exc_value)
859
860	return state
861
862
863
864	def _parse_entry(self, dom):
865	"""
866	Parse a SASentry
867
868	:param node: SASentry node
869
870	:return: Data1D/Data2D object
871
872	"""
873	node = dom.xpath('ns:data_class', namespaces={'ns': CANSAS_NS})
874	if not node or node[0].text.lstrip().rstrip() != "Data2D":
875	return CansasReader._parse_entry(self, dom)
876
877	#Parse 2D
878	data_info = Data2D()
879
880	# Look up title
881	self._store_content('ns:Title', dom, 'title', data_info)
882
883	# Look up run number
884	nodes = dom.xpath('ns:Run', namespaces={'ns': CANSAS_NS})
885	for item in nodes:
886	if item.text is not None:
887	value = item.text.strip()
888	if len(value) > 0:
889	data_info.run.append(value)
890	if item.get('name') is not None:
891	data_info.run_name[value] = item.get('name')
892
893	# Look up instrument name
894	self._store_content('ns:SASinstrument/ns:name', dom, 'instrument', data_info)
895
896	# Notes
897	note_list = dom.xpath('ns:SASnote', namespaces={'ns': CANSAS_NS})
898	for note in note_list:
899	try:
900	if note.text is not None:
901	note_value = note.text.strip()
902	if len(note_value) > 0:
903	data_info.notes.append(note_value)
904	except:
905	err_mess = "cansas_reader.read: error processing entry notes\n %s" % sys.exc_value
906	self.errors.append(err_mess)
907	logging.error(err_mess)
908
909	# Sample info ###################
910	entry = get_content('ns:SASsample', dom)
911	if entry is not None:
912	data_info.sample.name = entry.get('name')
913
914	self._store_content('ns:SASsample/ns:ID',
915	dom, 'ID', data_info.sample)
916	self._store_float('ns:SASsample/ns:thickness',
917	dom, 'thickness', data_info.sample)
918	self._store_float('ns:SASsample/ns:transmission',
919	dom, 'transmission', data_info.sample)
920	self._store_float('ns:SASsample/ns:temperature',
921	dom, 'temperature', data_info.sample)
922
923	nodes = dom.xpath('ns:SASsample/ns:details', namespaces={'ns': CANSAS_NS})
924	for item in nodes:
925	try:
926	if item.text is not None:
927	detail_value = item.text.strip()
928	if len(detail_value) > 0:
929	data_info.sample.details.append(detail_value)
930	except:
931	err_mess = "cansas_reader.read: error processing sample details\n %s" % sys.exc_value
932	self.errors.append(err_mess)
933	logging.error(err_mess)
934
935	# Position (as a vector)
936	self._store_float('ns:SASsample/ns:position/ns:x',
937	dom, 'position.x', data_info.sample)
938	self._store_float('ns:SASsample/ns:position/ns:y',
939	dom, 'position.y', data_info.sample)
940	self._store_float('ns:SASsample/ns:position/ns:z',
941	dom, 'position.z', data_info.sample)
942
943	# Orientation (as a vector)
944	self._store_float('ns:SASsample/ns:orientation/ns:roll',
945	dom, 'orientation.x', data_info.sample)
946	self._store_float('ns:SASsample/ns:orientation/ns:pitch',
947	dom, 'orientation.y', data_info.sample)
948	self._store_float('ns:SASsample/ns:orientation/ns:yaw',
949	dom, 'orientation.z', data_info.sample)
950
951	# Source info ###################
952	entry = get_content('ns:SASinstrument/ns:SASsource', dom)
953	if entry is not None:
954	data_info.source.name = entry.get('name')
955
956	self._store_content('ns:SASinstrument/ns:SASsource/ns:radiation',
957	dom, 'radiation', data_info.source)
958	self._store_content('ns:SASinstrument/ns:SASsource/ns:beam_shape',
959	dom, 'beam_shape', data_info.source)
960	self._store_float('ns:SASinstrument/ns:SASsource/ns:wavelength',
961	dom, 'wavelength', data_info.source)
962	self._store_float('ns:SASinstrument/ns:SASsource/ns:wavelength_min',
963	dom, 'wavelength_min', data_info.source)
964	self._store_float('ns:SASinstrument/ns:SASsource/ns:wavelength_max',
965	dom, 'wavelength_max', data_info.source)
966	self._store_float('ns:SASinstrument/ns:SASsource/ns:wavelength_spread',
967	dom, 'wavelength_spread', data_info.source)
968
969	# Beam size (as a vector)
970	entry = get_content('ns:SASinstrument/ns:SASsource/ns:beam_size', dom)
971	if entry is not None:
972	data_info.source.beam_size_name = entry.get('name')
973
974	self._store_float('ns:SASinstrument/ns:SASsource/ns:beam_size/ns:x',
975	dom, 'beam_size.x', data_info.source)
976	self._store_float('ns:SASinstrument/ns:SASsource/ns:beam_size/ns:y',
977	dom, 'beam_size.y', data_info.source)
978	self._store_float('ns:SASinstrument/ns:SASsource/ns:beam_size/ns:z',
979	dom, 'beam_size.z', data_info.source)
980
981	# Collimation info ###################
982	nodes = dom.xpath('ns:SASinstrument/ns:SAScollimation', namespaces={'ns': CANSAS_NS})
983	for item in nodes:
984	collim = Collimation()
985	if item.get('name') is not None:
986	collim.name = item.get('name')
987	self._store_float('ns:length', item, 'length', collim)
988
989	# Look for apertures
990	apert_list = item.xpath('ns:aperture', namespaces={'ns': CANSAS_NS})
991	for apert in apert_list:
992	aperture = Aperture()
993
994	# Get the name and type of the aperture
995	aperture.name = apert.get('name')
996	aperture.type = apert.get('type')
997
998	self._store_float('ns:distance', apert, 'distance', aperture)
999
1000	entry = get_content('ns:size', apert)
1001	if entry is not None:
1002	aperture.size_name = entry.get('name')
1003
1004	self._store_float('ns:size/ns:x', apert, 'size.x', aperture)
1005	self._store_float('ns:size/ns:y', apert, 'size.y', aperture)
1006	self._store_float('ns:size/ns:z', apert, 'size.z', aperture)
1007
1008	collim.aperture.append(aperture)
1009
1010	data_info.collimation.append(collim)
1011
1012	# Detector info ######################
1013	nodes = dom.xpath('ns:SASinstrument/ns:SASdetector', namespaces={'ns': CANSAS_NS})
1014	for item in nodes:
1015
1016	detector = Detector()
1017
1018	self._store_content('ns:name', item, 'name', detector)
1019	self._store_float('ns:SDD', item, 'distance', detector)
1020
1021	# Detector offset (as a vector)
1022	self._store_float('ns:offset/ns:x', item, 'offset.x', detector)
1023	self._store_float('ns:offset/ns:y', item, 'offset.y', detector)
1024	self._store_float('ns:offset/ns:z', item, 'offset.z', detector)
1025
1026	# Detector orientation (as a vector)
1027	self._store_float('ns:orientation/ns:roll', item, 'orientation.x', detector)
1028	self._store_float('ns:orientation/ns:pitch', item, 'orientation.y', detector)
1029	self._store_float('ns:orientation/ns:yaw', item, 'orientation.z', detector)
1030
1031	# Beam center (as a vector)
1032	self._store_float('ns:beam_center/ns:x', item, 'beam_center.x', detector)
1033	self._store_float('ns:beam_center/ns:y', item, 'beam_center.y', detector)
1034	self._store_float('ns:beam_center/ns:z', item, 'beam_center.z', detector)
1035
1036	# Pixel size (as a vector)
1037	self._store_float('ns:pixel_size/ns:x', item, 'pixel_size.x', detector)
1038	self._store_float('ns:pixel_size/ns:y', item, 'pixel_size.y', detector)
1039	self._store_float('ns:pixel_size/ns:z', item, 'pixel_size.z', detector)
1040
1041	self._store_float('ns:slit_length', item, 'slit_length', detector)
1042
1043	data_info.detector.append(detector)
1044
1045	# Processes info ######################
1046	nodes = dom.xpath('ns:SASprocess', namespaces={'ns': CANSAS_NS})
1047	for item in nodes:
1048	process = Process()
1049	self._store_content('ns:name', item, 'name', process)
1050	self._store_content('ns:date', item, 'date', process)
1051	self._store_content('ns:description', item, 'description', process)
1052
1053	term_list = item.xpath('ns:term', namespaces={'ns': CANSAS_NS})
1054	for term in term_list:
1055	try:
1056	term_attr = {}
1057	for attr in term.keys():
1058	term_attr[attr] = term.get(attr).strip()
1059	if term.text is not None:
1060	term_attr['value'] = term.text.strip()
1061	process.term.append(term_attr)
1062	except:
1063	err_mess = "cansas_reader.read: error processing process term\n %s" % sys.exc_value
1064	self.errors.append(err_mess)
1065	logging.error(err_mess)
1066
1067	note_list = item.xpath('ns:SASprocessnote', namespaces={'ns': CANSAS_NS})
1068	for note in note_list:
1069	if note.text is not None:
1070	process.notes.append(note.text.strip())
1071
1072	data_info.process.append(process)
1073
1074
1075	# Data info ######################
1076	nodes = dom.xpath('ns:SASdata', namespaces={'ns': CANSAS_NS})
1077	if len(nodes)>1:
1078	raise RuntimeError, "CanSAS reader is not compatible with multiple SASdata entries"
1079
1080	for entry in nodes:
1081	for item in list_of_data_2d_attr:
1082	#get node
1083	node = get_content('ns:%s'%item[0], entry)
1084	exec "data_info.%s = parse_entry_helper(node, item)"%(item[1])
1085
1086	for item in list_of_data2d_values:
1087	field = get_content('ns:%s'%item[0], entry)
1088	list = []
1089	if field is not None:
1090	list = [parse_entry_helper(node, item) for node in field]
1091	exec "data_info.%s = numpy.array(list)"%item[0]
1092
1093	return data_info
1094
1095	def _read_cansas(self, path):
1096	"""
1097	Load data and P(r) information from a CanSAS XML file.
1098
1099	:param path: file path
1100
1101	:return: Data1D object if a single SASentry was found,
1102	or a list of Data1D objects if multiple entries were found,
1103	or None of nothing was found
1104
1105	:raise RuntimeError: when the file can't be opened
1106	:raise ValueError: when the length of the data vectors are inconsistent
1107
1108	"""
1109	output = []
1110	basename = os.path.basename(path)
1111	root, extension = os.path.splitext(basename)
1112	ext = extension.lower()
1113	try:
1114	if os.path.isfile(path):
1115
1116	#TODO: eventually remove the check for .xml once
1117	# the P(r) writer/reader is truly complete.
1118	if ext in self.ext or \
1119	ext == '.xml':
1120
1121	tree = etree.parse(path, parser=etree.ETCompatXMLParser())
1122	# Check the format version number
1123	# Specifying the namespace will take care of the file format version
1124	root = tree.getroot()
1125	entry_list = root.xpath('ns:SASentry', namespaces={'ns': CANSAS_NS})
1126	for entry in entry_list:
1127	try:
1128	sas_entry = self._parse_entry(entry)
1129	except:
1130	raise
1131	fitstate = self._parse_state(entry)
1132
1133	#state could be None when .svs file is loaded
1134	#in this case, skip appending to output
1135	if fitstate != None:
1136	sas_entry.meta_data['fitstate'] = fitstate
1137	sas_entry.filename = fitstate.file
1138	output.append(sas_entry)
1139	else:
1140	self.call_back(format=ext)
1141	raise RuntimeError, "%s is not a file" % path
1142
1143	# Return output consistent with the loader's api
1144	if len(output)==0:
1145	self.call_back(state=None, datainfo=None,format=ext)
1146	return None
1147	else:
1148	for ind in range(len(output)):
1149	# Call back to post the new state
1150	state = output[ind].meta_data['fitstate']
1151	t = time.localtime(state.timestamp)
1152	time_str = time.strftime("%b %d %H:%M", t)
1153	# Check that no time stamp is already appended
1154	max_char = state.file.find("[")
1155	if max_char < 0:
1156	max_char = len(state.file)
1157	original_fname = state.file[0:max_char]
1158	state.file = original_fname +' [' + time_str + ']'
1159
1160
1161	if state is not None and state.is_data is not None:
1162	exec 'output[%d].is_data = state.is_data'% ind
1163
1164	output[ind].filename = state.file
1165	state.data = output[ind]
1166	state.data.name = output[ind].filename #state.data_name
1167	state.data.id = state.data_id
1168	if state.is_data is not None:
1169	state.data.is_data = state.is_data
1170	if output[ind].run_name is not None and len(output[ind].run_name) != 0 :
1171	name = output[ind].run_name
1172	else:
1173	name=original_fname
1174	state.data.group_id = name
1175	#store state in fitting
1176	self.call_back(state=state, datainfo=output[ind],format=ext)
1177	self.state= state
1178	return output
1179
1180	except:
1181	#self.call_back(format=ext)
1182	self.state= state
1183	raise
1184
1185	def write(self, filename, datainfo=None, fitstate=None):
1186	"""
1187	Write the content of a Data1D as a CanSAS XML file only for standalone
1188
1189	:param filename: name of the file to write
1190	:param datainfo: Data1D object
1191	:param fitstate: PageState object
1192
1193	"""
1194	# Sanity check
1195	if self.cansas == True:
1196
1197	# Add fitting information to the XML document
1198	doc = self.write_toXML(datainfo, fitstate)
1199	# Write the XML document
1200	fd = open(filename, 'w')
1201	fd.write(doc.toprettyxml())
1202	fd.close()
1203	else:
1204	fitstate.toXML(file=filename)
1205
1206	def write_toXML(self, datainfo=None, state=None):
1207	"""
1208	Write toXML, a helper for write() , could be used by guimanager._on_save()
1209
1210	: return: xml doc
1211	"""
1212
1213	if state.data is None:
1214	data = DataLoader.data_info.Data1D(x=[], y=[])
1215	else:
1216	#make sure title and data run is filled up.
1217	if state.data.title == None or state.data.title=='': state.data.title = state.data.name
1218	if state.data.run_name == None or state.data.run_name=={}:
1219	state.data.run = [str(state.data.name)]
1220	state.data.run_name[0] = state.data.name
1221
1222	if issubclass(state.data.__class__, DataLoader.data_info.Data1D):
1223
1224	data = state.data
1225	doc, sasentry = self._to_xml_doc(data)
1226	else:
1227	data = state.data
1228	doc, sasentry = self._data2d_to_xml_doc(data)
1229
1230
1231	if state is not None:
1232	state.toXML(doc=doc, file=data.name, entry_node=sasentry)
1233
1234	return doc
1235
1236	if __name__ == "__main__":
1237	state = PageState(parent=None)
1238	#state.toXML()
1239	"""
1240
1241	file = open("test_state", "w")
1242	pickle.dump(state, file)
1243	print pickle.dumps(state)
1244	state.data_name = "hello---->"
1245	pickle.dump(state, file)
1246	file = open("test_state", "r")
1247	new_state= pickle.load(file)
1248	print "new state", new_state
1249	new_state= pickle.load(file)
1250	print "new state", new_state
1251	#print "state", state
1252	"""
1253	import bsddb
1254	import pickle
1255	db= bsddb.btopen('file_state.db', 'c')
1256	val = (pickle.dumps(state), "hello", "hi")
1257	db['state1']= pickle.dumps(val)
1258	print pickle.loads(db['state1'])
1259	state.data_name = "hello---->22"
1260	db['state2']= pickle.dumps(state)
1261	state.data_name = "hello---->2"
1262	db['state3']= pickle.dumps(state)
1263	del db['state3']
1264	state.data_name = "hello---->3"
1265	db['state4']= pickle.dumps(state)
1266	new_state = pickle.loads(db['state1'])
1267	#print db.last()
1268	db.set_location('state2')
1269	state.data_name = "hello---->5"
1270	db['aastate5']= pickle.dumps(state)
1271	db.keys().sort()
1272	print pickle.loads(db['state2'])
1273
1274	db.close()

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SasView

source: sasview/sansview/perspectives/fitting/pagestate.py @ 552b3d5

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