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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 1.22 by spiga, Tue May 26 10:23:01 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 )
24	<	lfnbase = os.path.join(forced_path, getUserName(LocalUser=LocalUser), PrimaryDataset, ProcessedDataset)
19	>	lfnbase = os.path.join(forced_path, getUserName(), PrimaryDataset, ProcessedDataset)
20
21		return lfnbase
22
28	–	def getUnixUserName():
29	–	"""
30	–	extract username from whoami
31	–	"""
32	–	return UnixUserName()
33	–
34	–	def getDN():
35	–	"""
36	–	extract DN from user proxy's identity
37	–	"""
38	–	try:
39	–	userdn = runCommand("voms-proxy-info -identity")
40	–	userdn = string.strip(userdn)
41	–	#search for a / to avoid picking up warning messages
42	–	userdn = userdn[userdn.find('/'):]
43	–	except:
44	–	msg = "Error. Problem with voms-proxy-info -identity command"
45	–	raise CrabException(msg)
46	–	return userdn.split('\n')[0]
47	–
48	–	def gethnUserNameFromSiteDB():
49	–	"""
50	–	extract user name from SiteDB
51	–	"""
52	–	hnUserName = None
53	–	userdn = getDN()
54	–	mySiteDB = SiteDBJSON()
55	–	try:
56	–	hnUserName = mySiteDB.dnUserName(dn=userdn)
57	–	except:
58	–	msg = "Error. Problem extracting user name from SiteDB"
59	–	msg += "\n Check that you are registered in SiteDB, see https://twiki.cern.ch/twiki/bin/view/CMS/SiteDBForCRAB"
60	–	raise CrabException(msg)
61	–	if not hnUserName:
62	–	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
63	–	print msg
64	–	raise CrabException(msg)
65	–	return hnUserName
66	–
67	–
68	–	def gethnUserName():
69	–	"""
70	–	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()
89	–	else:
90	–	userfile = open(userconfigFileName, 'r')
91	–	for line in userfile.readlines():
92	–	nameuser = line
93	–	userfile.close()
94	–	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
23
24		if __name__ == '__main__' :
25		"""
26		"""
27	<	from crab_logger import Logger
28	<	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
27	>	import logging
28	>	common.logger = logging
29
30		print "xx %s xx"%getUserName()
31		baselfn = LFNBase("datasetstring")

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