pagestate.py @ 3fafe15

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 3fafe15 was 5ef55d2, checked in by Gervaise Alina <gervyh@…>, 14 years ago
working on addd theory to data_panel
Property mode set to `100644`
File size: 54.8 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
164	#fit page manager
165	self.manager = None
166	#Store the parent of this panel parent
167	# For this application fitpanel is the parent
168	self.parent = parent
169	# Event_owner is the owner of model event
170	self.event_owner = None
171	##page name
172	self.page_name = ""
173	# Contains link between model ,all its parameters, and panel organization
174	self.parameters = []
175	# String parameter list that can not be fitted
176	self.str_parameters = []
177	# Contains list of parameters that cannot be fitted and reference to
178	#panel objects
179	self.fixed_param = []
180	# Contains list of parameters with dispersity and reference to
181	#panel objects
182	self.fittable_param = []
183	## orientation parameters
184	self.orientation_params = []
185	## orientation parmaters for gaussian dispersity
186	self.orientation_params_disp = []
187	## smearer info
188	self.smearer = None
189	self.smear_type = None
190	self.dq_l = None
191	self.dq_r = None
192
193	#list of dispersion paramaters
194	self.disp_list =[]
195	if self.model is not None:
196	self.disp_list = self.model.getDispParamList()
197	self._disp_obj_dict = {}
198	self.disp_cb_dict = {}
199	self.values = []
200	self.weights = []
201
202	#contains link between a model and selected parameters to fit
203	self.param_toFit = []
204	##dictionary of model type and model class
205	self.model_list_box = None
206	## save the state of the context menu
207	self.saved_states = {}
208	## save selection of combobox
209	self.formfactorcombobox = None
210	self.structurecombobox = None
211	## radio box to select type of model
212	self.shape_rbutton = False
213	self.shape_indep_rbutton = False
214	self.struct_rbutton = False
215	self.plugin_rbutton = False
216	## the indice of the current selection
217	self.disp_box = 0
218	## Qrange
219	## Q range
220	self.qmin = 0.001
221	self.qmax = 0.1
222	#reset data range
223	self.qmax_x = None
224	self.qmin_x = None
225
226	self.npts = None
227	self.name = ""
228	self.multi_factor = None
229	## enable smearering state
230	self.enable_smearer = False
231	self.disable_smearer = True
232	self.pinhole_smearer = False
233	self.slit_smearer = False
234	## disperity selection
235	self.enable_disp = False
236	self.disable_disp = True
237
238	## state of selected all check button
239	self.cb1 = False
240	## store value of chisqr
241	self.tcChi = None
242
243	def clone(self):
244	"""
245	Create a new copy of the current object
246	"""
247	model = None
248	if self.model is not None:
249	model = self.model.clone()
250	model.name = self.model.name
251	obj = PageState(self.parent, model=model)
252	obj.file = copy.deepcopy(self.file)
253	obj.data = copy.deepcopy(self.data)
254	if self.data is not None:
255	self.data_name = self.data.name
256	obj.data_name = self.data_name
257	obj.is_data = self.is_data
258	obj.model_list_box = copy.deepcopy(self.model_list_box)
259	obj.engine_type = copy.deepcopy(self.engine_type)
260
261	obj.formfactorcombobox = self.formfactorcombobox
262	obj.structurecombobox = self.structurecombobox
263
264	obj.shape_rbutton = self.shape_rbutton
265	obj.shape_indep_rbutton = self.shape_indep_rbutton
266	obj.struct_rbutton = self.struct_rbutton
267	obj.plugin_rbutton = self.plugin_rbutton
268
269	obj.manager = self.manager
270	obj.event_owner = self.event_owner
271	obj.disp_list = copy.deepcopy(self.disp_list)
272
273	obj.enable2D = copy.deepcopy(self.enable2D)
274	obj.parameters = copy.deepcopy(self.parameters)
275	obj.str_parameters = copy.deepcopy(self.str_parameters)
276	obj.fixed_param = copy.deepcopy(self.fixed_param)
277	obj.fittable_param = copy.deepcopy(self.fittable_param)
278	obj.orientation_params = copy.deepcopy(self.orientation_params)
279	obj.orientation_params_disp = copy.deepcopy(self.orientation_params_disp)
280	obj.enable_disp = copy.deepcopy(self.enable_disp)
281	obj.disable_disp = copy.deepcopy(self.disable_disp)
282	obj.tcChi = self.tcChi
283
284	if len(self._disp_obj_dict)>0:
285	for k , v in self._disp_obj_dict.iteritems():
286	obj._disp_obj_dict[k]= v
287	if len(self.disp_cb_dict)>0:
288	for k , v in self.disp_cb_dict.iteritems():
289	obj.disp_cb_dict[k]= v
290
291	obj.values = copy.deepcopy(self.values)
292	obj.weights = copy.deepcopy(self.weights)
293	obj.enable_smearer = copy.deepcopy(self.enable_smearer)
294	obj.disable_smearer = copy.deepcopy(self.disable_smearer)
295	obj.pinhole_smearer = copy.deepcopy(self.pinhole_smearer)
296	obj.slit_smearer = copy.deepcopy(self.slit_smearer)
297	obj.smear_type = copy.deepcopy(self.smear_type)
298	obj.dq_l = copy.deepcopy(self.dq_l)
299	obj.dq_r = copy.deepcopy(self.dq_r)
300
301	obj.disp_box = copy.deepcopy(self.disp_box)
302	obj.qmin = copy.deepcopy(self.qmin)
303	obj.qmax = copy.deepcopy(self.qmax)
304	obj.multi_factor = copy.deepcopy(self.multi_factor)
305	obj.npts = copy.deepcopy(self.npts )
306	obj.cb1 = copy.deepcopy(self.cb1)
307	obj.smearer = copy.deepcopy(self.smearer)
308
309	for name, state in self.saved_states.iteritems():
310	copy_name = copy.deepcopy(name)
311	copy_state = state.clone()
312	obj.saved_states[copy_name]= copy_state
313	return obj
314
315	def _repr_helper(self, list, rep):
316	"""
317	Helper method to print a state
318	"""
319	for item in list:
320	rep += "parameter name: %s \n"%str(item[1])
321	rep += "value: %s\n"%str(item[2])
322	rep += "selected: %s\n"%str(item[0])
323	rep += "error displayed : %s \n"%str(item[4][0])
324	rep += "error value:%s \n"%str(item[4][1])
325	rep += "minimum displayed : %s \n"%str(item[5][0])
326	rep += "minimum value : %s \n"%str(item[5][1])
327	rep += "maximum displayed : %s \n"%str(item[6][0])
328	rep += "maximum value : %s \n"%str(item[6][1])
329	rep += "parameter unit: %s\n\n"%str(item[7])
330	return rep
331
332	def __repr__(self):
333	"""
334	output string for printing
335	"""
336	rep = "\nState name: %s\n"%self.file
337	t = time.localtime(self.timestamp)
338	time_str = time.strftime("%b %d %H:%M", t)
339	rep += "State created on : %s\n"%time_str
340	rep += "State form factor combobox selection: %s\n"%self.formfactorcombobox
341	rep += "State structure factor combobox selection: %s\n"%self.structurecombobox
342	rep += "is data : %s\n"%self.is_data
343	rep += "data's name : %s\n"%self.data_name
344	rep += "data's id : %s\n"%self.data_id
345	rep += "model type (form factor) selected: %s\n"%self.shape_rbutton
346	rep += "model type (shape independent) selected: %s\n"%self.shape_indep_rbutton
347	rep += "model type (structure factor) selected: %s\n"%self.struct_rbutton
348	rep += "model type (plug-in ) selected: %s\n"%self.plugin_rbutton
349	rep += "data : %s\n"% str(self.data)
350	rep += "Plotting Range: min: %s, max: %s, steps: %s\n"%(str(self.qmin),
351	str(self.qmax),str(self.npts))
352	rep += "Dispersion selection : %s\n"%str(self.disp_box)
353	rep += "Smearing enable : %s\n"%str(self.enable_smearer)
354	rep += "Smearing disable : %s\n"%str(self.disable_smearer)
355	rep += "Pinhole smearer enable : %s\n"%str(self.pinhole_smearer)
356	rep += "Slit smearer enable : %s\n"%str(self.slit_smearer)
357	rep += "Dispersity enable : %s\n"%str(self.enable_disp)
358	rep += "Dispersity disable : %s\n"%str(self.disable_disp)
359	rep += "Slit smearer enable: %s\n"%str(self.slit_smearer)
360	rep += "2D enable : %s\n"%str(self.enable2D)
361	rep += "All parameters checkbox selected: %s\n"%(self.cb1)
362	rep += "Value of Chisqr : %s\n"%str(self.tcChi)
363	rep += "Smear object : %s\n"%str(self.smearer)
364	rep += "Smear type : %s\n"%(self.smear_type)
365	rep += "dq_l : %s\n"%self.dq_l
366	rep += "dq_r : %s\n"%self.dq_r
367
368	rep += "model : %s\n\n"% str(self.model)
369	rep += "number parameters(self.parameters): %s\n"%len(self.parameters)
370	rep = self._repr_helper( list=self.parameters, rep=rep)
371	rep += "number str_parameters(self.str_parameters): %s\n"%len(self.str_parameters)
372	rep = self._repr_helper( list=self.str_parameters, rep=rep)
373	rep += "number orientation parameters"
374	rep += "(self.orientation_params): %s\n"%len(self.orientation_params)
375	rep = self._repr_helper( list=self.orientation_params, rep=rep)
376	rep += "number dispersity parameters"
377	rep += "(self.orientation_params_disp): %s\n"%len(self.orientation_params_disp)
378	rep = self._repr_helper( list=self.orientation_params_disp, rep=rep)
379
380	return rep
381
382	def _toXML_helper(self, list, element, newdoc):
383	"""
384	Helper method to create xml file for saving state
385	"""
386	for item in list:
387	sub_element = newdoc.createElement('parameter')
388	sub_element.setAttribute('name', str(item[1]))
389	sub_element.setAttribute('value', str(item[2]))
390	sub_element.setAttribute('selected_to_fit', str(item[0]))
391	sub_element.setAttribute('error_displayed', str(item[4][0]))
392	sub_element.setAttribute('error_value', str(item[4][1]))
393	sub_element.setAttribute('minimum_displayed', str(item[5][0]))
394	sub_element.setAttribute('minimum_value', str(item[5][1]))
395	sub_element.setAttribute('maximum_displayed', str(item[6][0]))
396	sub_element.setAttribute('maximum_value', str(item[6][1]))
397	sub_element.setAttribute('unit', str(item[7]))
398	element.appendChild(sub_element)
399
400	def toXML(self, file="fitting_state.fitv", doc=None, entry_node=None):
401	"""
402	Writes the state of the InversionControl panel to file, as XML.
403
404	Compatible with standalone writing, or appending to an
405	already existing XML document. In that case, the XML document
406	is required. An optional entry node in the XML document may also be given.
407
408	:param file: file to write to
409	:param doc: XML document object [optional]
410	:param entry_node: XML node within the XML document at which we will append the data [optional]
411
412	"""
413	from xml.dom.minidom import getDOMImplementation
414
415	# Check whether we have to write a standalone XML file
416	if doc is None:
417	impl = getDOMImplementation()
418	doc_type = impl.createDocumentType(FITTING_NODE_NAME, "1.0", "1.0")
419	newdoc = impl.createDocument(None, FITTING_NODE_NAME, doc_type)
420	top_element = newdoc.documentElement
421	else:
422	# We are appending to an existing document
423	newdoc = doc
424	top_element = newdoc.createElement(FITTING_NODE_NAME)
425	if entry_node is None:
426	newdoc.documentElement.appendChild(top_element)
427	else:
428	entry_node.appendChild(top_element)
429
430	attr = newdoc.createAttribute("version")
431	attr.nodeValue = '1.0'
432	top_element.setAttributeNode(attr)
433
434	# File name
435	element = newdoc.createElement("filename")
436	if self.file is not None:
437	element.appendChild(newdoc.createTextNode(str(self.file)))
438	else:
439	element.appendChild(newdoc.createTextNode(str(file)))
440	top_element.appendChild(element)
441
442	element = newdoc.createElement("timestamp")
443	element.appendChild(newdoc.createTextNode(time.ctime(self.timestamp)))
444	attr = newdoc.createAttribute("epoch")
445	attr.nodeValue = str(self.timestamp)
446	element.setAttributeNode(attr)
447	top_element.appendChild(element)
448	# Inputs
449	inputs = newdoc.createElement("Attributes")
450	top_element.appendChild(inputs)
451
452
453	if self.data is not None and hasattr(self.data, "group_id"):
454	self.data_group_id = self.data.group_id
455	if self.data is not None and hasattr(self.data, "is_data"):
456	self.is_data = self.data.is_data
457	if self.data is not None:
458	self.data_name = self.data.name
459	if self.data is not None and hasattr(self.data, "id"):
460	self.data_id = self.data.id
461
462	for item in list_of_data_attributes:
463	element = newdoc.createElement(item[0])
464	exec "element.setAttribute(item[0], str(self.%s))"%(item[1])
465	inputs.appendChild(element)
466
467	for item in list_of_state_attributes:
468	element = newdoc.createElement(item[0])
469	exec "element.setAttribute(item[0], str(self.%s))"%(item[1])
470	inputs.appendChild(element)
471
472	for item in list_of_model_attributes:
473	element = newdoc.createElement(item[0])
474	exec "list = self.%s"%item[1]
475	for value in list:
476	exec "element.appendChild(newdoc.createTextNode(str(%s)))"%value
477	inputs.appendChild(element)
478
479	for item in list_of_state_parameters:
480	element = newdoc.createElement(item[0])
481	exec "self._toXML_helper(list=self.%s, element=element, newdoc=newdoc)"%item[1]
482	inputs.appendChild(element)
483
484	# Save the file
485	if doc is None:
486	fd = open(file, 'w')
487	fd.write(newdoc.toprettyxml())
488	fd.close()
489	return None
490	else:
491	return newdoc.toprettyxml()
492
493	def _fromXML_helper(self, node, list):
494	"""
495	Helper function to write state to xml
496	"""
497	for item in node:
498	try:
499	name = item.get('name')
500	except:
501	name = None
502	try:
503	value = item.get('value')
504	except:
505	value = None
506	try:
507	selected_to_fit = (item.get('selected_to_fit') == "True")
508	except:
509	selected_to_fit = None
510	try:
511	error_displayed = (item.get('error_displayed') == "True")
512	except:
513	error_displayed = None
514	try:
515	error_value = item.get('error_value')
516	except:
517	error_value = None
518	try:
519	minimum_displayed = (item.get('minimum_displayed')== "True")
520	except:
521	minimum_displayed = None
522	try:
523	minimum_value = item.get('minimum_value')
524	except:
525	minimum_value = None
526	try:
527	maximum_displayed = (item.get('maximum_displayed') == "True")
528	except:
529	maximum_displayed = None
530	try:
531	maximum_value = item.get('maximum_value')
532	except:
533	maximum_value = None
534	try:
535	unit = item.get('unit')
536	except:
537	unit = None
538	list.append([selected_to_fit, name, value, "+/-",[error_displayed, error_value],
539	[minimum_displayed,minimum_value],[maximum_displayed,maximum_value], unit])
540
541	def fromXML(self, file=None, node=None):
542	"""
543	Load fitting state from a file
544
545	:param file: .fitv file
546	:param node: node of a XML document to read from
547
548	"""
549	if file is not None:
550	msg = "PageState no longer supports non-CanSAS"
551	msg += " format for fitting files"
552	raise RuntimeError, msg
553
554	if node.get('version')and node.get('version') == '1.0':
555
556	# Get file name
557	entry = get_content('ns:filename', node)
558	if entry is not None:
559	self.file = entry.text.strip()
560
561	# Get time stamp
562	entry = get_content('ns:timestamp', node)
563	if entry is not None and entry.get('epoch'):
564	try:
565	self.timestamp = float(entry.get('epoch'))
566	except:
567	msg = "PageState.fromXML: Could not"
568	msg += " read timestamp\n %s" % sys.exc_value
569	logging.error(msg)
570
571	# Parse fitting attributes
572	entry = get_content('ns:Attributes', node)
573	for item in list_of_data_attributes:
574	node = get_content('ns:%s'%item[0], entry)
575	try:
576	exec "self.%s = parse_entry_helper(node, item)"%item[0]
577
578	except:
579	raise
580
581	if entry is not None:
582
583	for item in list_of_state_attributes:
584	node = get_content('ns:%s'%item[0], entry)
585	try:
586	exec "self.%s = parse_entry_helper(node, item)"%str(item[0])
587	except:
588	raise
589
590	for item in list_of_model_attributes:
591	node = get_content("ns:%s"%item[0], entry)
592	list = []
593	for value in node:
594	try:
595	list.append(float(value))
596	except:
597	list.append(None)
598	exec "self.%s = list"%item[1]
599
600	for item in list_of_state_parameters:
601	node = get_content("ns:%s"%item[0], entry)
602	exec "self._fromXML_helper(node=node, list=self.%s)"%item[1]
603
604
605	class Reader(CansasReader):
606	"""
607	Class to load a .fitv fitting file
608	"""
609	## File type
610	type_name = "Fitting"
611
612	## Wildcards
613	type = ["Fitting files (.fitv)\|.fitv"
614	"SANSView file (.svs)\|.svs"]
615	## List of allowed extensions
616	ext=['.fitv', '.FITV', '.svs', 'SVS']
617
618	def __init__(self, call_back=None, cansas=True):
619	CansasReader.__init__(self)
620	"""
621	Initialize the call-back method to be called
622	after we load a file
623
624	:param call_back: call-back method
625	:param cansas: True = files will be written/read in CanSAS format
626	False = write CanSAS format
627
628	"""
629	## Call back method to be executed after a file is read
630	self.call_back = call_back
631	## CanSAS format flag
632	self.cansas = cansas
633	self.state = None
634	def get_state(self):
635	return self.state
636
637	def read(self, path):
638	"""
639	Load a new P(r) inversion state from file
640
641	:param path: file path
642
643	"""
644	if self.cansas == True:
645	return self._read_cansas(path)
646
647	def _data2d_to_xml_doc(self, datainfo):
648	"""
649	Create an XML document to contain the content of a Data2D
650
651	:param datainfo: Data2D object
652
653	"""
654	if not issubclass(datainfo.__class__, Data2D):
655	raise RuntimeError, "The cansas writer expects a Data2D instance"
656
657	doc = xml.dom.minidom.Document()
658	main_node = doc.createElement("SASroot")
659	main_node.setAttribute("version", self.version)
660	main_node.setAttribute("xmlns", "cansas1d/%s" % self.version)
661	main_node.setAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance")
662	main_node.setAttribute("xsi:schemaLocation", "cansas1d/%s http://svn.smallangles.net/svn/canSAS/1dwg/trunk/cansas1d.xsd" % self.version)
663
664	doc.appendChild(main_node)
665
666	entry_node = doc.createElement("SASentry")
667	main_node.appendChild(entry_node)
668
669	write_node(doc, entry_node, "Title", datainfo.title)
670	if datainfo is not None:
671	write_node(doc, entry_node, "data_class", datainfo.__class__.__name__)
672	for item in datainfo.run:
673	runname = {}
674	if datainfo.run_name.has_key(item) and len(str(datainfo.run_name[item]))>1:
675	runname = {'name': datainfo.run_name[item] }
676	write_node(doc, entry_node, "Run", item, runname)
677	# Data info
678	new_node = doc.createElement("SASdata")
679	entry_node.appendChild(new_node)
680	for item in list_of_data_2d_attr:
681	element = doc.createElement(item[0])
682	exec "element.setAttribute(item[0], str(datainfo.%s))"%(item[1])
683	new_node.appendChild(element)
684
685	for item in list_of_data2d_values:
686	root_node = doc.createElement(item[0])
687	new_node.appendChild(root_node)
688
689	exec "temp_list = datainfo.%s"%item[1]
690
691	if temp_list is None or len(temp_list)== 0:
692	element = doc.createElement(item[0])
693	exec "element.appendChild(doc.createTextNode(str(%s)))"%temp_list
694	root_node.appendChild(element)
695	else:
696	for value in temp_list:
697	element = doc.createElement(item[0])
698	exec "element.setAttribute(item[0], str(%s))"%value
699	root_node.appendChild(element)
700
701	# Sample info
702	sample = doc.createElement("SASsample")
703	if datainfo.sample.name is not None:
704	sample.setAttribute("name", str(datainfo.sample.name))
705	entry_node.appendChild(sample)
706	write_node(doc, sample, "ID", str(datainfo.sample.ID))
707	write_node(doc, sample, "thickness", datainfo.sample.thickness, {"unit":datainfo.sample.thickness_unit})
708	write_node(doc, sample, "transmission", datainfo.sample.transmission)
709	write_node(doc, sample, "temperature", datainfo.sample.temperature, {"unit":datainfo.sample.temperature_unit})
710
711	for item in datainfo.sample.details:
712	write_node(doc, sample, "details", item)
713
714	pos = doc.createElement("position")
715	written = write_node(doc, pos, "x", datainfo.sample.position.x, {"unit":datainfo.sample.position_unit})
716	written = written \| write_node(doc, pos, "y", datainfo.sample.position.y, {"unit":datainfo.sample.position_unit})
717	written = written \| write_node(doc, pos, "z", datainfo.sample.position.z, {"unit":datainfo.sample.position_unit})
718	if written == True:
719	sample.appendChild(pos)
720
721	ori = doc.createElement("orientation")
722	written = write_node(doc, ori, "roll", datainfo.sample.orientation.x, {"unit":datainfo.sample.orientation_unit})
723	written = written \| write_node(doc, ori, "pitch", datainfo.sample.orientation.y, {"unit":datainfo.sample.orientation_unit})
724	written = written \| write_node(doc, ori, "yaw", datainfo.sample.orientation.z, {"unit":datainfo.sample.orientation_unit})
725	if written == True:
726	sample.appendChild(ori)
727
728	# Instrument info
729	instr = doc.createElement("SASinstrument")
730	entry_node.appendChild(instr)
731
732	write_node(doc, instr, "name", datainfo.instrument)
733
734	# Source
735	source = doc.createElement("SASsource")
736	if datainfo.source.name is not None:
737	source.setAttribute("name", str(datainfo.source.name))
738	instr.appendChild(source)
739
740	write_node(doc, source, "radiation", datainfo.source.radiation)
741	write_node(doc, source, "beam_shape", datainfo.source.beam_shape)
742	size = doc.createElement("beam_size")
743	if datainfo.source.beam_size_name is not None:
744	size.setAttribute("name", str(datainfo.source.beam_size_name))
745	written = write_node(doc, size, "x", datainfo.source.beam_size.x, {"unit":datainfo.source.beam_size_unit})
746	written = written \| write_node(doc, size, "y", datainfo.source.beam_size.y, {"unit":datainfo.source.beam_size_unit})
747	written = written \| write_node(doc, size, "z", datainfo.source.beam_size.z, {"unit":datainfo.source.beam_size_unit})
748	if written == True:
749	source.appendChild(size)
750
751	write_node(doc, source, "wavelength", datainfo.source.wavelength, {"unit":datainfo.source.wavelength_unit})
752	write_node(doc, source, "wavelength_min", datainfo.source.wavelength_min, {"unit":datainfo.source.wavelength_min_unit})
753	write_node(doc, source, "wavelength_max", datainfo.source.wavelength_max, {"unit":datainfo.source.wavelength_max_unit})
754	write_node(doc, source, "wavelength_spread", datainfo.source.wavelength_spread, {"unit":datainfo.source.wavelength_spread_unit})
755
756	# Collimation
757	for item in datainfo.collimation:
758	coll = doc.createElement("SAScollimation")
759	if item.name is not None:
760	coll.setAttribute("name", str(item.name))
761	instr.appendChild(coll)
762
763	write_node(doc, coll, "length", item.length, {"unit":item.length_unit})
764
765	for apert in item.aperture:
766	ap = doc.createElement("aperture")
767	if apert.name is not None:
768	ap.setAttribute("name", str(apert.name))
769	if apert.type is not None:
770	ap.setAttribute("type", str(apert.type))
771	coll.appendChild(ap)
772
773	write_node(doc, ap, "distance", apert.distance, {"unit":apert.distance_unit})
774
775	size = doc.createElement("size")
776	if apert.size_name is not None:
777	size.setAttribute("name", str(apert.size_name))
778	written = write_node(doc, size, "x", apert.size.x, {"unit":apert.size_unit})
779	written = written \| write_node(doc, size, "y", apert.size.y, {"unit":apert.size_unit})
780	written = written \| write_node(doc, size, "z", apert.size.z, {"unit":apert.size_unit})
781	if written == True:
782	ap.appendChild(size)
783
784	# Detectors
785	for item in datainfo.detector:
786	det = doc.createElement("SASdetector")
787	written = write_node(doc, det, "name", item.name)
788	written = written \| write_node(doc, det, "SDD", item.distance, {"unit":item.distance_unit})
789	written = written \| write_node(doc, det, "slit_length", item.slit_length, {"unit":item.slit_length_unit})
790	if written == True:
791	instr.appendChild(det)
792
793	off = doc.createElement("offset")
794	written = write_node(doc, off, "x", item.offset.x, {"unit":item.offset_unit})
795	written = written \| write_node(doc, off, "y", item.offset.y, {"unit":item.offset_unit})
796	written = written \| write_node(doc, off, "z", item.offset.z, {"unit":item.offset_unit})
797	if written == True:
798	det.appendChild(off)
799
800	center = doc.createElement("beam_center")
801	written = write_node(doc, center, "x", item.beam_center.x, {"unit":item.beam_center_unit})
802	written = written \| write_node(doc, center, "y", item.beam_center.y, {"unit":item.beam_center_unit})
803	written = written \| write_node(doc, center, "z", item.beam_center.z, {"unit":item.beam_center_unit})
804	if written == True:
805	det.appendChild(center)
806
807	pix = doc.createElement("pixel_size")
808	written = write_node(doc, pix, "x", item.pixel_size.x, {"unit":item.pixel_size_unit})
809	written = written \| write_node(doc, pix, "y", item.pixel_size.y, {"unit":item.pixel_size_unit})
810	written = written \| write_node(doc, pix, "z", item.pixel_size.z, {"unit":item.pixel_size_unit})
811	if written == True:
812	det.appendChild(pix)
813
814	ori = doc.createElement("orientation")
815	written = write_node(doc, ori, "roll", item.orientation.x, {"unit":item.orientation_unit})
816	written = written \| write_node(doc, ori, "pitch", item.orientation.y, {"unit":item.orientation_unit})
817	written = written \| write_node(doc, ori, "yaw", item.orientation.z, {"unit":item.orientation_unit})
818	if written == True:
819	det.appendChild(ori)
820
821	# Processes info
822	for item in datainfo.process:
823	node = doc.createElement("SASprocess")
824	entry_node.appendChild(node)
825
826	write_node(doc, node, "name", item.name)
827	write_node(doc, node, "date", item.date)
828	write_node(doc, node, "description", item.description)
829	for term in item.term:
830	value = term['value']
831	del term['value']
832	write_node(doc, node, "term", value, term)
833	for note in item.notes:
834	write_node(doc, node, "SASprocessnote", note)
835	# Return the document, and the SASentry node associated with
836	# the data we just wrote
837	return doc, entry_node
838
839	def _parse_state(self, entry):
840	"""
841	Read a fit result from an XML node
842
843	:param entry: XML node to read from
844
845	:return: PageState object
846	"""
847	# Create an empty state
848	state = None
849	# Locate the P(r) node
850	try:
851	nodes = entry.xpath('ns:%s' % FITTING_NODE_NAME, namespaces={'ns': CANSAS_NS})
852	if nodes !=[]:
853	# Create an empty state
854	state = PageState()
855	state.fromXML(node=nodes[0])
856	except:
857	logging.info("XML document does not contain fitting information.\n %s" % sys.exc_value)
858
859	return state
860
861
862
863	def _parse_entry(self, dom):
864	"""
865	Parse a SASentry
866
867	:param node: SASentry node
868
869	:return: Data1D/Data2D object
870
871	"""
872	node = dom.xpath('ns:data_class', namespaces={'ns': CANSAS_NS})
873	if not node or node[0].text.lstrip().rstrip() != "Data2D":
874	return CansasReader._parse_entry(self, dom)
875
876	#Parse 2D
877	data_info = Data2D()
878
879	# Look up title
880	self._store_content('ns:Title', dom, 'title', data_info)
881
882	# Look up run number
883	nodes = dom.xpath('ns:Run', namespaces={'ns': CANSAS_NS})
884	for item in nodes:
885	if item.text is not None:
886	value = item.text.strip()
887	if len(value) > 0:
888	data_info.run.append(value)
889	if item.get('name') is not None:
890	data_info.run_name[value] = item.get('name')
891
892	# Look up instrument name
893	self._store_content('ns:SASinstrument/ns:name', dom, 'instrument', data_info)
894
895	# Notes
896	note_list = dom.xpath('ns:SASnote', namespaces={'ns': CANSAS_NS})
897	for note in note_list:
898	try:
899	if note.text is not None:
900	note_value = note.text.strip()
901	if len(note_value) > 0:
902	data_info.notes.append(note_value)
903	except:
904	err_mess = "cansas_reader.read: error processing entry notes\n %s" % sys.exc_value
905	self.errors.append(err_mess)
906	logging.error(err_mess)
907
908	# Sample info ###################
909	entry = get_content('ns:SASsample', dom)
910	if entry is not None:
911	data_info.sample.name = entry.get('name')
912
913	self._store_content('ns:SASsample/ns:ID',
914	dom, 'ID', data_info.sample)
915	self._store_float('ns:SASsample/ns:thickness',
916	dom, 'thickness', data_info.sample)
917	self._store_float('ns:SASsample/ns:transmission',
918	dom, 'transmission', data_info.sample)
919	self._store_float('ns:SASsample/ns:temperature',
920	dom, 'temperature', data_info.sample)
921
922	nodes = dom.xpath('ns:SASsample/ns:details', namespaces={'ns': CANSAS_NS})
923	for item in nodes:
924	try:
925	if item.text is not None:
926	detail_value = item.text.strip()
927	if len(detail_value) > 0:
928	data_info.sample.details.append(detail_value)
929	except:
930	err_mess = "cansas_reader.read: error processing sample details\n %s" % sys.exc_value
931	self.errors.append(err_mess)
932	logging.error(err_mess)
933
934	# Position (as a vector)
935	self._store_float('ns:SASsample/ns:position/ns:x',
936	dom, 'position.x', data_info.sample)
937	self._store_float('ns:SASsample/ns:position/ns:y',
938	dom, 'position.y', data_info.sample)
939	self._store_float('ns:SASsample/ns:position/ns:z',
940	dom, 'position.z', data_info.sample)
941
942	# Orientation (as a vector)
943	self._store_float('ns:SASsample/ns:orientation/ns:roll',
944	dom, 'orientation.x', data_info.sample)
945	self._store_float('ns:SASsample/ns:orientation/ns:pitch',
946	dom, 'orientation.y', data_info.sample)
947	self._store_float('ns:SASsample/ns:orientation/ns:yaw',
948	dom, 'orientation.z', data_info.sample)
949
950	# Source info ###################
951	entry = get_content('ns:SASinstrument/ns:SASsource', dom)
952	if entry is not None:
953	data_info.source.name = entry.get('name')
954
955	self._store_content('ns:SASinstrument/ns:SASsource/ns:radiation',
956	dom, 'radiation', data_info.source)
957	self._store_content('ns:SASinstrument/ns:SASsource/ns:beam_shape',
958	dom, 'beam_shape', data_info.source)
959	self._store_float('ns:SASinstrument/ns:SASsource/ns:wavelength',
960	dom, 'wavelength', data_info.source)
961	self._store_float('ns:SASinstrument/ns:SASsource/ns:wavelength_min',
962	dom, 'wavelength_min', data_info.source)
963	self._store_float('ns:SASinstrument/ns:SASsource/ns:wavelength_max',
964	dom, 'wavelength_max', data_info.source)
965	self._store_float('ns:SASinstrument/ns:SASsource/ns:wavelength_spread',
966	dom, 'wavelength_spread', data_info.source)
967
968	# Beam size (as a vector)
969	entry = get_content('ns:SASinstrument/ns:SASsource/ns:beam_size', dom)
970	if entry is not None:
971	data_info.source.beam_size_name = entry.get('name')
972
973	self._store_float('ns:SASinstrument/ns:SASsource/ns:beam_size/ns:x',
974	dom, 'beam_size.x', data_info.source)
975	self._store_float('ns:SASinstrument/ns:SASsource/ns:beam_size/ns:y',
976	dom, 'beam_size.y', data_info.source)
977	self._store_float('ns:SASinstrument/ns:SASsource/ns:beam_size/ns:z',
978	dom, 'beam_size.z', data_info.source)
979
980	# Collimation info ###################
981	nodes = dom.xpath('ns:SASinstrument/ns:SAScollimation', namespaces={'ns': CANSAS_NS})
982	for item in nodes:
983	collim = Collimation()
984	if item.get('name') is not None:
985	collim.name = item.get('name')
986	self._store_float('ns:length', item, 'length', collim)
987
988	# Look for apertures
989	apert_list = item.xpath('ns:aperture', namespaces={'ns': CANSAS_NS})
990	for apert in apert_list:
991	aperture = Aperture()
992
993	# Get the name and type of the aperture
994	aperture.name = apert.get('name')
995	aperture.type = apert.get('type')
996
997	self._store_float('ns:distance', apert, 'distance', aperture)
998
999	entry = get_content('ns:size', apert)
1000	if entry is not None:
1001	aperture.size_name = entry.get('name')
1002
1003	self._store_float('ns:size/ns:x', apert, 'size.x', aperture)
1004	self._store_float('ns:size/ns:y', apert, 'size.y', aperture)
1005	self._store_float('ns:size/ns:z', apert, 'size.z', aperture)
1006
1007	collim.aperture.append(aperture)
1008
1009	data_info.collimation.append(collim)
1010
1011	# Detector info ######################
1012	nodes = dom.xpath('ns:SASinstrument/ns:SASdetector', namespaces={'ns': CANSAS_NS})
1013	for item in nodes:
1014
1015	detector = Detector()
1016
1017	self._store_content('ns:name', item, 'name', detector)
1018	self._store_float('ns:SDD', item, 'distance', detector)
1019
1020	# Detector offset (as a vector)
1021	self._store_float('ns:offset/ns:x', item, 'offset.x', detector)
1022	self._store_float('ns:offset/ns:y', item, 'offset.y', detector)
1023	self._store_float('ns:offset/ns:z', item, 'offset.z', detector)
1024
1025	# Detector orientation (as a vector)
1026	self._store_float('ns:orientation/ns:roll', item, 'orientation.x', detector)
1027	self._store_float('ns:orientation/ns:pitch', item, 'orientation.y', detector)
1028	self._store_float('ns:orientation/ns:yaw', item, 'orientation.z', detector)
1029
1030	# Beam center (as a vector)
1031	self._store_float('ns:beam_center/ns:x', item, 'beam_center.x', detector)
1032	self._store_float('ns:beam_center/ns:y', item, 'beam_center.y', detector)
1033	self._store_float('ns:beam_center/ns:z', item, 'beam_center.z', detector)
1034
1035	# Pixel size (as a vector)
1036	self._store_float('ns:pixel_size/ns:x', item, 'pixel_size.x', detector)
1037	self._store_float('ns:pixel_size/ns:y', item, 'pixel_size.y', detector)
1038	self._store_float('ns:pixel_size/ns:z', item, 'pixel_size.z', detector)
1039
1040	self._store_float('ns:slit_length', item, 'slit_length', detector)
1041
1042	data_info.detector.append(detector)
1043
1044	# Processes info ######################
1045	nodes = dom.xpath('ns:SASprocess', namespaces={'ns': CANSAS_NS})
1046	for item in nodes:
1047	process = Process()
1048	self._store_content('ns:name', item, 'name', process)
1049	self._store_content('ns:date', item, 'date', process)
1050	self._store_content('ns:description', item, 'description', process)
1051
1052	term_list = item.xpath('ns:term', namespaces={'ns': CANSAS_NS})
1053	for term in term_list:
1054	try:
1055	term_attr = {}
1056	for attr in term.keys():
1057	term_attr[attr] = term.get(attr).strip()
1058	if term.text is not None:
1059	term_attr['value'] = term.text.strip()
1060	process.term.append(term_attr)
1061	except:
1062	err_mess = "cansas_reader.read: error processing process term\n %s" % sys.exc_value
1063	self.errors.append(err_mess)
1064	logging.error(err_mess)
1065
1066	note_list = item.xpath('ns:SASprocessnote', namespaces={'ns': CANSAS_NS})
1067	for note in note_list:
1068	if note.text is not None:
1069	process.notes.append(note.text.strip())
1070
1071	data_info.process.append(process)
1072
1073
1074	# Data info ######################
1075	nodes = dom.xpath('ns:SASdata', namespaces={'ns': CANSAS_NS})
1076	if len(nodes)>1:
1077	raise RuntimeError, "CanSAS reader is not compatible with multiple SASdata entries"
1078
1079	for entry in nodes:
1080	for item in list_of_data_2d_attr:
1081	#get node
1082	node = get_content('ns:%s'%item[0], entry)
1083	exec "data_info.%s = parse_entry_helper(node, item)"%(item[1])
1084
1085	for item in list_of_data2d_values:
1086	field = get_content('ns:%s'%item[0], entry)
1087	list = []
1088	if field is not None:
1089	list = [parse_entry_helper(node, item) for node in field]
1090	exec "data_info.%s = numpy.array(list)"%item[0]
1091
1092	return data_info
1093
1094	def _read_cansas(self, path):
1095	"""
1096	Load data and P(r) information from a CanSAS XML file.
1097
1098	:param path: file path
1099
1100	:return: Data1D object if a single SASentry was found,
1101	or a list of Data1D objects if multiple entries were found,
1102	or None of nothing was found
1103
1104	:raise RuntimeError: when the file can't be opened
1105	:raise ValueError: when the length of the data vectors are inconsistent
1106
1107	"""
1108	output = []
1109	basename = os.path.basename(path)
1110	root, extension = os.path.splitext(basename)
1111	ext = extension.lower()
1112	try:
1113	if os.path.isfile(path):
1114
1115	#TODO: eventually remove the check for .xml once
1116	# the P(r) writer/reader is truly complete.
1117	if ext in self.ext or \
1118	ext == '.xml':
1119
1120	tree = etree.parse(path, parser=etree.ETCompatXMLParser())
1121	# Check the format version number
1122	# Specifying the namespace will take care of the file format version
1123	root = tree.getroot()
1124	entry_list = root.xpath('ns:SASentry', namespaces={'ns': CANSAS_NS})
1125	for entry in entry_list:
1126	try:
1127	sas_entry = self._parse_entry(entry)
1128	except:
1129	raise
1130	fitstate = self._parse_state(entry)
1131
1132	#state could be None when .svs file is loaded
1133	#in this case, skip appending to output
1134	if fitstate != None:
1135	sas_entry.meta_data['fitstate'] = fitstate
1136	sas_entry.filename = fitstate.file
1137	output.append(sas_entry)
1138	else:
1139	self.call_back(format=ext)
1140	raise RuntimeError, "%s is not a file" % path
1141
1142	# Return output consistent with the loader's api
1143	if len(output)==0:
1144	self.call_back(state=None, datainfo=None,format=ext)
1145	return None
1146	else:
1147	for ind in range(len(output)):
1148	# Call back to post the new state
1149	state = output[ind].meta_data['fitstate']
1150	t = time.localtime(state.timestamp)
1151	time_str = time.strftime("%b %d %H:%M", t)
1152	# Check that no time stamp is already appended
1153	max_char = state.file.find("[")
1154	if max_char < 0:
1155	max_char = len(state.file)
1156	original_fname = state.file[0:max_char]
1157	state.file = original_fname +' [' + time_str + ']'
1158
1159
1160	if state is not None and state.is_data is not None:
1161	exec 'output[%d].is_data = state.is_data'% ind
1162
1163	output[ind].filename = state.file
1164	state.data = output[ind]
1165	state.data.name = output[ind].filename #state.data_name
1166	state.data.id = state.data_id
1167	if state.is_data is not None:
1168	state.data.is_data = state.is_data
1169	if output[ind].run_name is not None and len(output[ind].run_name) != 0 :
1170	name = output[ind].run_name
1171	else:
1172	name=original_fname
1173	state.data.group_id = name
1174	#store state in fitting
1175	self.call_back(state=state, datainfo=output[ind],format=ext)
1176	self.state= state
1177	return output
1178
1179	except:
1180	#self.call_back(format=ext)
1181	self.state= state
1182	raise
1183
1184	def write(self, filename, datainfo=None, fitstate=None):
1185	"""
1186	Write the content of a Data1D as a CanSAS XML file only for standalone
1187
1188	:param filename: name of the file to write
1189	:param datainfo: Data1D object
1190	:param fitstate: PageState object
1191
1192	"""
1193	# Sanity check
1194	if self.cansas == True:
1195
1196	# Add fitting information to the XML document
1197	doc = self.write_toXML(datainfo, fitstate)
1198	# Write the XML document
1199	fd = open(filename, 'w')
1200	fd.write(doc.toprettyxml())
1201	fd.close()
1202	else:
1203	fitstate.toXML(file=filename)
1204
1205	def write_toXML(self, datainfo=None, state=None):
1206	"""
1207	Write toXML, a helper for write() , could be used by guimanager._on_save()
1208
1209	: return: xml doc
1210	"""
1211
1212	if state.data is None:
1213	data = DataLoader.data_info.Data1D(x=[], y=[])
1214	else:
1215	#make sure title and data run is filled up.
1216	if state.data.title == None or state.data.title=='': state.data.title = state.data.name
1217	if state.data.run_name == None or state.data.run_name=={}:
1218	state.data.run = [str(state.data.name)]
1219	state.data.run_name[0] = state.data.name
1220
1221	if issubclass(state.data.__class__, DataLoader.data_info.Data1D):
1222
1223	data = state.data
1224	doc, sasentry = self._to_xml_doc(data)
1225	else:
1226	data = state.data
1227	doc, sasentry = self._data2d_to_xml_doc(data)
1228
1229
1230	if state is not None:
1231	state.toXML(doc=doc, file=data.name, entry_node=sasentry)
1232
1233	return doc
1234
1235	if __name__ == "__main__":
1236	state = PageState(parent=None)
1237	#state.toXML()
1238	"""
1239
1240	file = open("test_state", "w")
1241	pickle.dump(state, file)
1242	print pickle.dumps(state)
1243	state.data_name = "hello---->"
1244	pickle.dump(state, file)
1245	file = open("test_state", "r")
1246	new_state= pickle.load(file)
1247	print "new state", new_state
1248	new_state= pickle.load(file)
1249	print "new state", new_state
1250	#print "state", state
1251	"""
1252	import bsddb
1253	import pickle
1254	db= bsddb.btopen('file_state.db', 'c')
1255	val = (pickle.dumps(state), "hello", "hi")
1256	db['state1']= pickle.dumps(val)
1257	print pickle.loads(db['state1'])
1258	state.data_name = "hello---->22"
1259	db['state2']= pickle.dumps(state)
1260	state.data_name = "hello---->2"
1261	db['state3']= pickle.dumps(state)
1262	del db['state3']
1263	state.data_name = "hello---->3"
1264	db['state4']= pickle.dumps(state)
1265	new_state = pickle.loads(db['state1'])
1266	#print db.last()
1267	db.set_location('state2')
1268	state.data_name = "hello---->5"
1269	db['aastate5']= pickle.dumps(state)
1270	db.keys().sort()
1271	print pickle.loads(db['state2'])
1272
1273	db.close()

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SasView

source: sasview/sansview/perspectives/fitting/pagestate.py @ 3fafe15

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