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root/cvsroot/COMP/CRAB/python/LFNBaseName.py

Comparing COMP/CRAB/python/LFNBaseName.py (file contents):
Revision 1.20 by spiga, Thu Jan 22 18:19:14 2009 UTC vs.
Revision 1.23 by fanzago, Fri Jul 31 16:21:12 2009 UTC

#	Line 4 | Line 4 | _LFNBaseName_
4		"""
5
6		from crab_exceptions import *
7	<	from crab_util import runCommand, UnixUserName
7	>	from crab_util import runCommand, getUserName
8		import common
9		import os, string, time
10	–	from WMCore.Services.SiteDB.SiteDB import SiteDBJSON
10
11
12	<	def LFNBase(forced_path, PrimaryDataset='',ProcessedDataset='',merged=True,LocalUser=False,publish=False):
12	>	def LFNBase(forced_path, PrimaryDataset='',ProcessedDataset='',merged=True,publish=False):
13		"""
14		"""
16	–	#lfnbase = "/store"
17	–	#if not merged:
18	–	#lfnbase = os.path.join(lfnbase,"tmp")
15		if (PrimaryDataset == 'null'):
16		PrimaryDataset = ProcessedDataset
17		if PrimaryDataset != '':
18		if ( PrimaryDataset[0] == '/' ):  PrimaryDataset=PrimaryDataset[1:]
19	<	# lfnbase = os.path.join(lfnbase, "user", getUserName(LocalUser=LocalUser), PrimaryDataset, ProcessedDataset )
20	<	lfnbase = os.path.join(forced_path, getUserName(LocalUser=LocalUser), PrimaryDataset, ProcessedDataset)
21	<
19	>	lfnbase = os.path.join(forced_path, getUserName(), PrimaryDataset, ProcessedDataset)
20	>	if (publish == True):
21	>	checkLength(lfnbase, forced_path, PrimaryDataset, ProcessedDataset)
22		return lfnbase
23
24	<	def getUnixUserName():
29	<	"""
30	<	extract username from whoami
24	>	def checkLength(lfnbase, forced_path, PrimaryDataset, ProcessedDataset):
25		"""
32	–	return UnixUserName()
33	–
34	–	def getDN():
26		"""
27	<	extract DN from user proxy's identity
28	<	"""
29	<	try:
30	<	userdn = runCommand("voms-proxy-info -identity")
31	<	userdn = string.strip(userdn)
32	<	#search for a / to avoid picking up warning messages
33	<	userdn = userdn[userdn.find('/'):]
34	<	except:
35	<	msg = "Error. Problem with voms-proxy-info -identity command"
36	<	raise CrabException(msg)
37	<	return userdn.split('\n')[0]
38	<
39	<	def gethnUserNameFromSiteDB():
40	<	"""
41	<	extract user name from SiteDB
42	<	"""
43	<	hnUserName = None
44	<	userdn = getDN()
45	<	mySiteDB = SiteDBJSON()
46	<	try:
47	<	hnUserName = mySiteDB.dnUserName(dn=userdn)
48	<	except:
49	<	msg = "Error. Problem extracting user name from SiteDB"
50	<	msg += "\n Check that you are registered in SiteDB, see https://twiki.cern.ch/twiki/bin/view/CMS/SiteDBForCRAB"
51	<	raise CrabException(msg)
52	<	if not hnUserName:
53	<	msg = "Error. There is no user name associated to DN %s in SiteDB. You need to register in SiteDB with the instructions at https://twiki.cern.ch/twiki/bin/view/CMS/SiteDBForCRAB" % userdn
54	<	print msg
55	<	raise CrabException(msg)
56	<	return hnUserName
57	<
58	<
59	<	def gethnUserName():
60	<	"""
61	<	cache the username extracted from SiteDB for 24hours
71	<	"""
72	<	userconfigFileName="SiteDBusername.conf"
73	<	if not os.path.exists(userconfigFileName):
74	<	common.logger.debug(5,"Downloading from SiteDB username into %s"%userconfigFileName)
75	<	nameuser = gethnUserNameFromSiteDB()
76	<	userfile = open(userconfigFileName, 'w')
77	<	userfile.write(nameuser)
78	<	userfile.close()
79	<	else:
80	<	statinfo = os.stat(userconfigFileName)
81	<	## if the file is older then 24 hours it is re-downloaded to update the configuration
82	<	oldness = 24*3600
83	<	if (time.time() - statinfo.st_ctime) > oldness:
84	<	common.logger.debug(5,"Downloading from SiteDB username into %s"%userconfigFileName)
85	<	nameuser = gethnUserNameFromSiteDB()
86	<	userfile = open(userconfigFileName, 'w')
87	<	userfile.write(nameuser)
88	<	userfile.close()
27	>
28	>	len_primary = len(PrimaryDataset)
29	>
30	>	common.logger.debug("CheckLength of LFN and User DatasetName")
31	>	common.logger.debug("max length for complete LFN is 500 characters, max length for primary dataset is 100 characters")
32	>	common.logger.debug("PrimaryDataset = " + PrimaryDataset)
33	>	common.logger.debug("len_primary = " + str(len_primary))
34	>
35	>	if (len_primary > 100):
36	>	raise CrabException("Warning: you required user_data_publication. The PrimaryDatasetName has to be < 100 characters")
37	>
38	>	if (PrimaryDataset != ProcessedDataset):
39	>	common.logger.debug("ProcessedDataset = " + ProcessedDataset)
40	>	common.logger.debug("len(ProcessedDataset) = " + str(len(ProcessedDataset)))
41	>
42	>	common.logger.debug("forced_path = " + forced_path)
43	>	common.logger.debug("len(forced_path) = " + str(len(forced_path)))
44	>
45	>	user = getUserName()
46	>	len_user_name = len(user)
47	>	common.logger.debug("user = " + user)
48	>	common.logger.debug("len_user_name = " + str(len_user_name))
49	>
50	>	common.logger.debug("lfnbase = " + lfnbase)
51	>	common.logger.debug("len(lfnbase) = " + str(len(lfnbase)))
52	>
53	>	### we suppose a output_file_name of 50 characters ###
54	>	if len(lfnbase)>450:
55	>	if (PrimaryDataset != ProcessedDataset):
56	>	#500 - len_user_name - len_primary - len(forced) - len(PSETHASH = 32) - 4(/) - output(50)
57	>	#~400 - len_user_name - len_primary - len(forced)
58	>	if (len(ProcessedDataset) > (400 - len_user_name - len_primary - len(forced_path))):
59	>	raise CrabException("Warning: publication name too long. USER.publish_data_name has to be < " + str(400 - len_user_name - len_primary - len(forced_path)) + " characters")
60	>	else:
61	>	raise CrabException("Warning: LFN > 500 characters")
62		else:
63	<	userfile = open(userconfigFileName, 'r')
64	<	for line in userfile.readlines():
65	<	nameuser = line
66	<	userfile.close()
67	<	nameuser = string.strip(nameuser)
95	<	return nameuser
96	<
97	<	def getUserName(LocalUser=False):
98	<	"""
99	<	extract user name from either SiteDB or Unix
100	<	"""
101	<	if LocalUser:
102	<	common.logger.debug(10,"Using as username the Unix user name")
103	<	UserName=getUnixUserName()
104	<	return UserName
105	<
106	<	UserName=gethnUserName()
107	<	return UserName
63	>	if (len(ProcessedDataset) > (400 - len_user_name - len(forced_path)) / 2):
64	>	raise CrabException("Warning: publication name too long. USER.publish_data_name has to be < " + str((400 - len_user_name - len(forced_path)) / 2) + " characters")
65	>	else:
66	>	raise CrabException("Warning: LFN > 500 characters")
67	>
68
69		if __name__ == '__main__' :
70		"""
71		"""
72	<	from crab_logger import Logger
73	<	from WorkSpace import *
114	<	continue_dir = os.path.expanduser("~")
115	<	cfg_params={'USER.logdir' : continue_dir }
116	<	common.work_space = WorkSpace(continue_dir, cfg_params)
117	<	log = Logger()
118	<	common.logger = log
72	>	import logging
73	>	common.logger = logging
74
75		print "xx %s xx"%getUserName()
76		baselfn = LFNBase("datasetstring")

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