failurereason.py@ 66998

Last change on this file since 66998 was 65980, checked in by vboxsync, 8 years ago
testmanager/core: pylint 2.0.0 fixes.
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1	# -- coding: utf-8 --
2	# $Id: failurereason.py 65980 2017-03-07 13:00:36Z vboxsync $
3
4	"""
5	Test Manager - Failure Reasons.
6	"""
7
8	__copyright__ = \
9	"""
10	Copyright (C) 2012-2016 Oracle Corporation
11
12	This file is part of VirtualBox Open Source Edition (OSE), as
13	available from http://www.virtualbox.org. This file is free software;
14	you can redistribute it and/or modify it under the terms of the GNU
15	General Public License (GPL) as published by the Free Software
16	Foundation, in version 2 as it comes in the "COPYING" file of the
17	VirtualBox OSE distribution. VirtualBox OSE is distributed in the
18	hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
19
20	The contents of this file may alternatively be used under the terms
21	of the Common Development and Distribution License Version 1.0
22	(CDDL) only, as it comes in the "COPYING.CDDL" file of the
23	VirtualBox OSE distribution, in which case the provisions of the
24	CDDL are applicable instead of those of the GPL.
25
26	You may elect to license modified versions of this file under the
27	terms and conditions of either the GPL or the CDDL or both.
28	"""
29	__version__ = "$Revision: 65980 $"
30
31
32	# Validation Kit imports.
33	from testmanager.core.base import ModelDataBase, ModelLogicBase, TMRowNotFound, TMInvalidData, TMRowInUse, \
34	AttributeChangeEntry, ChangeLogEntry;
35	from testmanager.core.useraccount import UserAccountLogic;
36
37
38
39	class FailureReasonData(ModelDataBase):
40	"""
41	Failure Reason Data.
42	"""
43
44	ksIdAttr = 'idFailureReason';
45
46	ksParam_idFailureReason = 'FailureReasonData_idFailureReason'
47	ksParam_tsEffective = 'FailureReasonData_tsEffective'
48	ksParam_tsExpire = 'FailureReasonData_tsExpire'
49	ksParam_uidAuthor = 'FailureReasonData_uidAuthor'
50	ksParam_idFailureCategory = 'FailureReasonData_idFailureCategory'
51	ksParam_sShort = 'FailureReasonData_sShort'
52	ksParam_sFull = 'FailureReasonData_sFull'
53	ksParam_iTicket = 'FailureReasonData_iTicket'
54	ksParam_asUrls = 'FailureReasonData_asUrls'
55
56	kasAllowNullAttributes = [ 'idFailureReason', 'tsEffective', 'tsExpire',
57	'uidAuthor', 'iTicket', 'asUrls' ]
58
59	def __init__(self):
60	ModelDataBase.__init__(self);
61
62	#
63	# Initialize with defaults.
64	# See the database for explanations of each of these fields.
65	#
66
67	self.idFailureReason = None
68	self.tsEffective = None
69	self.tsExpire = None
70	self.uidAuthor = None
71	self.idFailureCategory = None
72	self.sShort = None
73	self.sFull = None
74	self.iTicket = None
75	self.asUrls = None
76
77	def initFromDbRow(self, aoRow):
78	"""
79	Re-initializes the data with a row from a SELECT * FROM FailureReasons.
80
81	Returns self. Raises exception if the row is None or otherwise invalid.
82	"""
83
84	if aoRow is None:
85	raise TMRowNotFound('Failure Reason not found.');
86
87	self.idFailureReason = aoRow[0]
88	self.tsEffective = aoRow[1]
89	self.tsExpire = aoRow[2]
90	self.uidAuthor = aoRow[3]
91	self.idFailureCategory = aoRow[4]
92	self.sShort = aoRow[5]
93	self.sFull = aoRow[6]
94	self.iTicket = aoRow[7]
95	self.asUrls = aoRow[8]
96
97	return self;
98
99	def initFromDbWithId(self, oDb, idFailureReason, tsNow = None, sPeriodBack = None):
100	"""
101	Initialize from the database, given the ID of a row.
102	"""
103	oDb.execute(self.formatSimpleNowAndPeriodQuery(oDb,
104	'SELECT *\n'
105	'FROM FailureReasons\n'
106	'WHERE idFailureReason = %s\n'
107	, ( idFailureReason,), tsNow, sPeriodBack));
108	aoRow = oDb.fetchOne()
109	if aoRow is None:
110	raise TMRowNotFound('idFailureReason=%s not found (tsNow=%s sPeriodBack=%s)'
111	% (idFailureReason, tsNow, sPeriodBack,));
112	return self.initFromDbRow(aoRow);
113
114
115	class FailureReasonDataEx(FailureReasonData):
116	"""
117	Failure Reason Data, extended version that includes the category.
118	"""
119
120	def __init__(self):
121	FailureReasonData.__init__(self);
122	self.oCategory = None;
123	self.oAuthor = None;
124
125	def initFromDbRowEx(self, aoRow, oCategoryLogic, oUserAccountLogic):
126	"""
127	Re-initializes the data with a row from a SELECT * FROM FailureReasons.
128
129	Returns self. Raises exception if the row is None or otherwise invalid.
130	"""
131
132	self.initFromDbRow(aoRow);
133	self.oCategory = oCategoryLogic.cachedLookup(self.idFailureCategory);
134	self.oAuthor = oUserAccountLogic.cachedLookup(self.uidAuthor);
135
136	return self;
137
138
139	class FailureReasonLogic(ModelLogicBase): # pylint: disable=R0903
140	"""
141	Failure Reason logic.
142	"""
143
144	def __init__(self, oDb):
145	ModelLogicBase.__init__(self, oDb)
146	self.dCache = None;
147	self.dCacheNameAndCat = None;
148	self.oCategoryLogic = None;
149	self.oUserAccountLogic = None;
150
151	def fetchForListing(self, iStart, cMaxRows, tsNow, aiSortColumns = None):
152	"""
153	Fetches Failure Category records.
154
155	Returns an array (list) of FailureReasonDataEx items, empty list if none.
156	Raises exception on error.
157	"""
158	_ = aiSortColumns;
159	self._ensureCachesPresent();
160
161	if tsNow is None:
162	self._oDb.execute('SELECT FailureReasons.*,\n'
163	' FailureCategories.sShort AS sCategory\n'
164	'FROM FailureReasons,\n'
165	' FailureCategories\n'
166	'WHERE FailureReasons.tsExpire = \'infinity\'::TIMESTAMP\n'
167	' AND FailureCategories.idFailureCategory = FailureReasons.idFailureCategory\n'
168	' AND FailureCategories.tsExpire = \'infinity\'::TIMESTAMP\n'
169	'ORDER BY sCategory ASC, sShort ASC\n'
170	'LIMIT %s OFFSET %s\n'
171	, (cMaxRows, iStart,));
172	else:
173	self._oDb.execute('SELECT FailureReasons.*,\n'
174	' FailureCategories.sShort AS sCategory\n'
175	'FROM FailureReasons,\n'
176	' FailureCategories\n'
177	'WHERE FailureReasons.tsExpire > %s\n'
178	' AND FailureReasons.tsEffective <= %s\n'
179	' AND FailureCategories.idFailureCategory = FailureReasons.idFailureCategory\n'
180	' AND FailureReasons.tsExpire > %s\n'
181	' AND FailureReasons.tsEffective <= %s\n'
182	'ORDER BY sCategory ASC, sShort ASC\n'
183	'LIMIT %s OFFSET %s\n'
184	, (tsNow, tsNow, tsNow, tsNow, cMaxRows, iStart,));
185
186	aoRows = []
187	for aoRow in self._oDb.fetchAll():
188	aoRows.append(FailureReasonDataEx().initFromDbRowEx(aoRow, self.oCategoryLogic, self.oUserAccountLogic));
189	return aoRows
190
191	def fetchForListingInCategory(self, iStart, cMaxRows, tsNow, idFailureCategory, aiSortColumns = None):
192	"""
193	Fetches Failure Category records.
194
195	Returns an array (list) of FailureReasonDataEx items, empty list if none.
196	Raises exception on error.
197	"""
198	_ = aiSortColumns;
199	self._ensureCachesPresent();
200
201	if tsNow is None:
202	self._oDb.execute('SELECT *\n'
203	'FROM FailureReasons\n'
204	'WHERE tsExpire = \'infinity\'::TIMESTAMP\n'
205	' AND idFailureCategory = %s\n'
206	'ORDER BY sShort ASC\n'
207	'LIMIT %s OFFSET %s\n'
208	, ( idFailureCategory, cMaxRows, iStart,));
209	else:
210	self._oDb.execute('SELECT *\n'
211	'FROM FailureReasons\n'
212	'WHERE idFailureCategory = %s\n'
213	' AND tsExpire > %s\n'
214	' AND tsEffective <= %s\n'
215	'ORDER BY sShort ASC\n'
216	'LIMIT %s OFFSET %s\n'
217	, ( idFailureCategory, tsNow, tsNow, cMaxRows, iStart,));
218
219	aoRows = []
220	for aoRow in self._oDb.fetchAll():
221	aoRows.append(FailureReasonDataEx().initFromDbRowEx(aoRow, self.oCategoryLogic, self.oUserAccountLogic));
222	return aoRows
223
224
225	def fetchForSheriffByNamedCategory(self, sFailureCategory):
226	"""
227	Fetches the short names of the reasons in the named category.
228
229	Returns array of strings.
230	Raises exception on error.
231	"""
232	self._oDb.execute('SELECT FailureReasons.sShort\n'
233	'FROM FailureReasons,\n'
234	' FailureCategories\n'
235	'WHERE FailureReasons.tsExpire = \'infinity\'::TIMESTAMP\n'
236	' AND FailureReasons.idFailureCategory = FailureCategories.idFailureCategory\n'
237	' AND FailureCategories.sShort = %s\n'
238	'ORDER BY FailureReasons.sShort ASC\n'
239	, ( sFailureCategory,));
240	return [aoRow[0] for aoRow in self._oDb.fetchAll()];
241
242
243	def fetchForCombo(self, sFirstEntry = 'Select a failure reason', tsEffective = None):
244	"""
245	Gets the list of Failure Reasons for a combo box.
246	Returns an array of (value [idFailureReason], drop-down-name [sShort],
247	hover-text [sFull]) tuples.
248	"""
249	if tsEffective is None:
250	self._oDb.execute('SELECT fr.idFailureReason, CONCAT(fc.sShort, \' / \', fr.sShort) as sComboText, fr.sFull\n'
251	'FROM FailureReasons fr,\n'
252	' FailureCategories fc\n'
253	'WHERE fr.idFailureCategory = fc.idFailureCategory\n'
254	' AND fr.tsExpire = \'infinity\'::TIMESTAMP\n'
255	' AND fc.tsExpire = \'infinity\'::TIMESTAMP\n'
256	'ORDER BY sComboText')
257	else:
258	self._oDb.execute('SELECT fr.idFailureReason, CONCAT(fc.sShort, \' / \', fr.sShort) as sComboText, fr.sFull\n'
259	'FROM FailureReasons fr,\n'
260	' FailureCategories fc\n'
261	'WHERE fr.idFailureCategory = fc.idFailureCategory\n'
262	' AND fr.tsExpire > %s\n'
263	' AND fr.tsEffective <= %s\n'
264	' AND fc.tsExpire > %s\n'
265	' AND fc.tsEffective <= %s\n'
266	'ORDER BY sComboText'
267	, (tsEffective, tsEffective, tsEffective, tsEffective));
268	aoRows = self._oDb.fetchAll();
269	return [(-1, sFirstEntry, '')] + aoRows;
270
271
272	def fetchForChangeLog(self, idFailureReason, iStart, cMaxRows, tsNow): # pylint: disable=R0914
273	"""
274	Fetches change log entries for a failure reason.
275
276	Returns an array of ChangeLogEntry instance and an indicator whether
277	there are more entries.
278	Raises exception on error.
279	"""
280	self._ensureCachesPresent();
281
282	if tsNow is None:
283	tsNow = self._oDb.getCurrentTimestamp();
284
285	# 1. Get a list of the relevant changes.
286	self._oDb.execute('SELECT * FROM FailureReasons WHERE idFailureReason = %s AND tsEffective <= %s\n'
287	'ORDER BY tsEffective DESC\n'
288	'LIMIT %s OFFSET %s\n'
289	, ( idFailureReason, tsNow, cMaxRows + 1, iStart, ));
290	aoRows = [];
291	for aoChange in self._oDb.fetchAll():
292	aoRows.append(FailureReasonData().initFromDbRow(aoChange));
293
294	# 2. Calculate the changes.
295	aoEntries = [];
296	for i in xrange(0, len(aoRows) - 1):
297	oNew = aoRows[i];
298	oOld = aoRows[i + 1];
299
300	aoChanges = [];
301	for sAttr in oNew.getDataAttributes():
302	if sAttr not in [ 'tsEffective', 'tsExpire', 'uidAuthor', ]:
303	oOldAttr = getattr(oOld, sAttr);
304	oNewAttr = getattr(oNew, sAttr);
305	if oOldAttr != oNewAttr:
306	if sAttr == 'idFailureCategory':
307	oCat = self.oCategoryLogic.cachedLookup(oOldAttr);
308	if oCat is not None:
309	oOldAttr = '%s (%s)' % (oOldAttr, oCat.sShort, );
310	oCat = self.oCategoryLogic.cachedLookup(oNewAttr);
311	if oCat is not None:
312	oNewAttr = '%s (%s)' % (oNewAttr, oCat.sShort, );
313	aoChanges.append(AttributeChangeEntry(sAttr, oNewAttr, oOldAttr, str(oNewAttr), str(oOldAttr)));
314
315	aoEntries.append(ChangeLogEntry(oNew.uidAuthor, None, oNew.tsEffective, oNew.tsExpire, oNew, oOld, aoChanges));
316
317	# If we're at the end of the log, add the initial entry.
318	if len(aoRows) <= cMaxRows and aoRows:
319	oNew = aoRows[-1];
320	aoEntries.append(ChangeLogEntry(oNew.uidAuthor, None, oNew.tsEffective, oNew.tsExpire, oNew, None, []));
321
322	return (UserAccountLogic(self._oDb).resolveChangeLogAuthors(aoEntries), len(aoRows) > cMaxRows);
323
324
325	def getById(self, idFailureReason):
326	"""Get Failure Reason data by idFailureReason"""
327
328	self._oDb.execute('SELECT *\n'
329	'FROM FailureReasons\n'
330	'WHERE tsExpire = \'infinity\'::timestamp\n'
331	' AND idFailureReason = %s;', (idFailureReason,))
332	aRows = self._oDb.fetchAll()
333	if len(aRows) not in (0, 1):
334	raise self._oDb.integrityException(
335	'Found more than one failure reasons with the same credentials. Database structure is corrupted.')
336	try:
337	return FailureReasonData().initFromDbRow(aRows[0])
338	except IndexError:
339	return None
340
341
342	def addEntry(self, oData, uidAuthor, fCommit = False):
343	"""
344	Add a failure reason.
345	"""
346	#
347	# Validate.
348	#
349	dErrors = oData.validateAndConvert(self._oDb, oData.ksValidateFor_Add);
350	if dErrors:
351	raise TMInvalidData('addEntry invalid input: %s' % (dErrors,));
352
353	#
354	# Add the record.
355	#
356	self._readdEntry(uidAuthor, oData);
357	self._oDb.maybeCommit(fCommit);
358	return True;
359
360
361	def editEntry(self, oData, uidAuthor, fCommit = False):
362	"""
363	Modifies a failure reason.
364	"""
365
366	#
367	# Validate inputs and read in the old(/current) data.
368	#
369	assert isinstance(oData, FailureReasonData);
370	dErrors = oData.validateAndConvert(self._oDb, oData.ksValidateFor_Edit);
371	if dErrors:
372	raise TMInvalidData('editEntry invalid input: %s' % (dErrors,));
373
374	oOldData = FailureReasonData().initFromDbWithId(self._oDb, oData.idFailureReason);
375
376	#
377	# Update the data that needs updating.
378	#
379	if not oData.isEqualEx(oOldData, [ 'tsEffective', 'tsExpire', 'uidAuthor', ]):
380	self._historizeEntry(oData.idFailureReason);
381	self._readdEntry(uidAuthor, oData);
382	self._oDb.maybeCommit(fCommit);
383	return True;
384
385
386	def removeEntry(self, uidAuthor, idFailureReason, fCascade = False, fCommit = False):
387	"""
388	Deletes a failure reason.
389	"""
390	_ = fCascade; # too complicated for now.
391
392	#
393	# Check whether it's being used by other tables and bitch if it is .
394	# We currently do not implement cascading.
395	#
396	self._oDb.execute('SELECT CONCAT(idBlacklisting, \' - blacklisting\')\n'
397	'FROM BuildBlacklist\n'
398	'WHERE idFailureReason = %s\n'
399	' AND tsExpire = \'infinity\'::TIMESTAMP\n'
400	'UNION\n'
401	'SELECT CONCAT(idTestResult, \' - test result failure reason\')\n'
402	'FROM TestResultFailures\n'
403	'WHERE idFailureReason = %s\n'
404	' AND tsExpire = \'infinity\'::TIMESTAMP\n'
405	, (idFailureReason, idFailureReason,));
406	aaoRows = self._oDb.fetchAll();
407	if aaoRows:
408	raise TMRowInUse('Cannot remove failure reason %u because its being used by: %s'
409	% (idFailureReason, ', '.join(aoRow[0] for aoRow in aaoRows),));
410
411	#
412	# Do the job.
413	#
414	oData = FailureReasonData().initFromDbWithId(self._oDb, idFailureReason);
415	assert oData.idFailureReason == idFailureReason;
416	(tsCur, tsCurMinusOne) = self._oDb.getCurrentTimestamps();
417	if oData.tsEffective != tsCur and oData.tsEffective != tsCurMinusOne:
418	self._historizeEntry(idFailureReason, tsCurMinusOne);
419	self._readdEntry(uidAuthor, oData, tsCurMinusOne);
420	self._historizeEntry(idFailureReason);
421	self._oDb.maybeCommit(fCommit);
422	return True;
423
424
425	def cachedLookup(self, idFailureReason):
426	"""
427	Looks up the most recent FailureReasonDataEx object for idFailureReason
428	via an object cache.
429
430	Returns a shared FailureReasonData object. None if not found.
431	Raises exception on DB error.
432	"""
433	if self.dCache is None:
434	self.dCache = self._oDb.getCache('FailureReasonDataEx');
435	oEntry = self.dCache.get(idFailureReason, None);
436	if oEntry is None:
437	self._oDb.execute('SELECT *\n'
438	'FROM FailureReasons\n'
439	'WHERE idFailureReason = %s\n'
440	' AND tsExpire = \'infinity\'::TIMESTAMP\n'
441	, (idFailureReason, ));
442	if self._oDb.getRowCount() == 0:
443	# Maybe it was deleted, try get the last entry.
444	self._oDb.execute('SELECT *\n'
445	'FROM FailureReasons\n'
446	'WHERE idFailureReason = %s\n'
447	'ORDER BY tsExpire DESC\n'
448	'LIMIT 1\n'
449	, (idFailureReason, ));
450	elif self._oDb.getRowCount() > 1:
451	raise self._oDb.integrityException('%s infinity rows for %s' % (self._oDb.getRowCount(), idFailureReason));
452
453	if self._oDb.getRowCount() == 1:
454	self._ensureCachesPresent();
455	oEntry = FailureReasonDataEx().initFromDbRowEx(self._oDb.fetchOne(), self.oCategoryLogic,
456	self.oUserAccountLogic);
457	self.dCache[idFailureReason] = oEntry;
458	return oEntry;
459
460
461	def cachedLookupByNameAndCategory(self, sName, sCategory):
462	"""
463	Looks up a failure reason by it's name and category.
464
465	Should the request be ambigiuos, we'll return the oldest one.
466
467	Returns a shared FailureReasonData object. None if not found.
468	Raises exception on DB error.
469	"""
470	if self.dCacheNameAndCat is None:
471	self.dCacheNameAndCat = self._oDb.getCache('FailureReasonDataEx-By-Name-And-Category');
472	sKey = '%s:::%s' % (sName, sCategory,);
473	oEntry = self.dCacheNameAndCat.get(sKey, None);
474	if oEntry is None:
475	self._oDb.execute('SELECT *\n'
476	'FROM FailureReasons,\n'
477	' FailureCategories\n'
478	'WHERE FailureReasons.sShort = %s\n'
479	' AND FailureReasons.tsExpire = \'infinity\'::TIMESTAMP\n'
480	' AND FailureReasons.idFailureCategory = FailureCategories.idFailureCategory '
481	' AND FailureCategories.sShort = %s\n'
482	' AND FailureCategories.tsExpire = \'infinity\'::TIMESTAMP\n'
483	'ORDER BY FailureReasons.tsEffective\n'
484	, ( sName, sCategory));
485	if self._oDb.getRowCount() == 0:
486	sLikeSucks = self._oDb.formatBindArgs(
487	'SELECT *\n'
488	'FROM FailureReasons,\n'
489	' FailureCategories\n'
490	'WHERE ( FailureReasons.sShort ILIKE @@@@@@@! %s !@@@@@@@\n'
491	' OR FailureReasons.sFull ILIKE @@@@@@@! %s !@@@@@@@)\n'
492	' AND FailureCategories.tsExpire = \'infinity\'::TIMESTAMP\n'
493	' AND FailureReasons.idFailureCategory = FailureCategories.idFailureCategory\n'
494	' AND ( FailureCategories.sShort = %s\n'
495	' OR FailureCategories.sFull = %s)\n'
496	' AND FailureReasons.tsExpire = \'infinity\'::TIMESTAMP\n'
497	'ORDER BY FailureReasons.tsEffective\n'
498	, ( sName, sName, sCategory, sCategory ));
499	sLikeSucks = sLikeSucks.replace('LIKE @@@@@@@! \'', 'LIKE \'%').replace('\' !@@@@@@@', '%\'');
500	self._oDb.execute(sLikeSucks);
501	if self._oDb.getRowCount() > 0:
502	self._ensureCachesPresent();
503	oEntry = FailureReasonDataEx().initFromDbRowEx(self._oDb.fetchOne(), self.oCategoryLogic,
504	self.oUserAccountLogic);
505	self.dCacheNameAndCat[sKey] = oEntry;
506	if sName != oEntry.sShort or sCategory != oEntry.oCategory.sShort:
507	sKey2 = '%s:::%s' % (oEntry.sShort, oEntry.oCategory.sShort,);
508	self.dCacheNameAndCat[sKey2] = oEntry;
509	return oEntry;
510
511
512	#
513	# Helpers.
514	#
515
516	def _readdEntry(self, uidAuthor, oData, tsEffective = None):
517	"""
518	Re-adds the FailureReasons entry. Used by addEntry, editEntry and removeEntry.
519	"""
520	if tsEffective is None:
521	tsEffective = self._oDb.getCurrentTimestamp();
522	self._oDb.execute('INSERT INTO FailureReasons (\n'
523	' uidAuthor,\n'
524	' tsEffective,\n'
525	' idFailureReason,\n'
526	' idFailureCategory,\n'
527	' sShort,\n'
528	' sFull,\n'
529	' iTicket,\n'
530	' asUrls)\n'
531	'VALUES (%s, %s, '
532	+ ( 'DEFAULT' if oData.idFailureReason is None else str(oData.idFailureReason) )
533	+ ', %s, %s, %s, %s, %s)\n'
534	, ( uidAuthor,
535	tsEffective,
536	oData.idFailureCategory,
537	oData.sShort,
538	oData.sFull,
539	oData.iTicket,
540	oData.asUrls,) );
541	return True;
542
543
544	def _historizeEntry(self, idFailureReason, tsExpire = None):
545	""" Historizes the current entry. """
546	if tsExpire is None:
547	tsExpire = self._oDb.getCurrentTimestamp();
548	self._oDb.execute('UPDATE FailureReasons\n'
549	'SET tsExpire = %s\n'
550	'WHERE idFailureReason = %s\n'
551	' AND tsExpire = \'infinity\'::TIMESTAMP\n'
552	, (tsExpire, idFailureReason,));
553	return True;
554
555
556	def _ensureCachesPresent(self):
557	""" Ensures we've got the cache references resolved. """
558	if self.oCategoryLogic is None:
559	from testmanager.core.failurecategory import FailureCategoryLogic;
560	self.oCategoryLogic = FailureCategoryLogic(self._oDb);
561	if self.oUserAccountLogic is None:
562	self.oUserAccountLogic = UserAccountLogic(self._oDb);
563	return True;
564

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source: vbox/trunk/src/VBox/ValidationKit/testmanager/core/failurereason.py@ 66998

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