CRAB/python/LFNBaseName.py

#!/usr/bin/env python
"""
_LFNBaseName_
"""

from crab_exceptions import *
from crab_util import runCommand
import common
import os, string
from ProdCommon.SiteDB.SiteDB import SiteDBJSON


def LFNBase(ProcessedDataset,merged=True,LocalUser=False):
    """
    """
    lfnbase = "/store"
    if not merged:
        lfnbase = os.path.join(lfnbase,"tmp")
    lfnbase = os.path.join(lfnbase, "user", getUserName(LocalUser=LocalUser), ProcessedDataset )

    return lfnbase

def PFNportion(ProcessedDataset,LocalUser=False):
    pfnpath = os.path.join(getUserName(LocalUser=LocalUser), ProcessedDataset )
    return pfnpath

def getUnixUserName():
    """
    extract username from whoami
    """
    try:
        UserName = runCommand("whoami")
        UserName = string.strip(UserName)
    except:
        msg = "Error. Problem with whoami command"
        raise CrabException(msg)
    return UserName

def getDN():
    """
    extract DN from user proxy's identity
    """
    try:
        userdn = runCommand("voms-proxy-info -identity")
        userdn = string.strip(userdn)
        #search for a / to avoid picking up warning messages
        userdn = userdn[userdn.find('/'):]
    except:
        msg = "Error. Problem with voms-proxy-info -identity command"
        raise CrabException(msg)
    return userdn.split('\n')[0]

def gethnUserName():
    """
    extract user name from SiteDB
    """
    hnUserName = None
    userdn = getDN()
    mySiteDB = SiteDBJSON()

    try:
        hnUserName = mySiteDB.dnUserName(dn=userdn)
    except:
        msg = "Error. Problem extracting user name from SiteDB"
        msg += "\n Check that you are registered in SiteDB, see https://twiki.cern.ch/twiki/bin/view/CMS/SiteDBForCRAB"
        raise CrabException(msg)
    if not hnUserName:
        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
        print msg
        raise CrabException(msg)
    return hnUserName

def getUserName(LocalUser=False):
    """
    extract user name from either SiteDB or Unix
    """
    if LocalUser:
       common.logger.message("==> Using as username the Unix user name")
       UserName=getUnixUserName()
       return UserName

    UserName=gethnUserName()
    return UserName

if __name__ == '__main__' :
    """
    """
    from crab_logger import Logger
    from WorkSpace import *
    continue_dir = os.path.expanduser("~")
    cfg_params={'USER.logdir' : continue_dir }
    common.work_space = WorkSpace(continue_dir, cfg_params)
    log = Logger()
    common.logger = log

    print "xx %s xx"%getUserName()
    baselfn = LFNBase("datasetstring")
    print baselfn

    unmergedlfn = LFNBase("datasetstring",merged=False)
    print unmergedlfn
    print PFNportion("datasetstring")
Revision:	1.9
Committed:	Tue Jul 8 19:34:00 2008 UTC (16 years, 9 months ago) by ewv
Content type:	text/x-python
Branch:	MAIN
CVS Tags:	CRAB_2_3_2_pre2, CRAB_2_3_2_pre1, CRAB_2_4_0_test
Branch point for:	AnaDataSet
Changes since 1.8:	+16 -24 lines
Log Message:	Use SiteDB from ProdCommon
#	User	Rev	Content
1	afanfani	1.2	#!/usr/bin/env python
2			"""
3			_LFNBaseName_
4			"""
5
6			from crab_exceptions import *
7			from crab_util import runCommand
8			import common
9			import os, string
10	ewv	1.9	from ProdCommon.SiteDB.SiteDB import SiteDBJSON
11	afanfani	1.2
12
13	afanfani	1.5	def LFNBase(ProcessedDataset,merged=True,LocalUser=False):
14	afanfani	1.2	"""
15			"""
16	ewv	1.9	lfnbase = "/store"
17	afanfani	1.2	if not merged:
18	ewv	1.9	lfnbase = os.path.join(lfnbase,"tmp")
19	afanfani	1.5	lfnbase = os.path.join(lfnbase, "user", getUserName(LocalUser=LocalUser), ProcessedDataset )
20	ewv	1.9
21	afanfani	1.2	return lfnbase
22
23	afanfani	1.5	def PFNportion(ProcessedDataset,LocalUser=False):
24			pfnpath = os.path.join(getUserName(LocalUser=LocalUser), ProcessedDataset )
25	afanfani	1.2	return pfnpath
26
27	afanfani	1.4	def getUnixUserName():
28			"""
29			extract username from whoami
30			"""
31			try:
32			UserName = runCommand("whoami")
33			UserName = string.strip(UserName)
34			except:
35			msg = "Error. Problem with whoami command"
36			raise CrabException(msg)
37			return UserName
38
39	afanfani	1.2	def getDN():
40			"""
41			extract DN from user proxy's identity
42			"""
43			try:
44			userdn = runCommand("voms-proxy-info -identity")
45			userdn = string.strip(userdn)
46	afanfani	1.7	#search for a / to avoid picking up warning messages
47			userdn = userdn[userdn.find('/'):]
48	afanfani	1.2	except:
49			msg = "Error. Problem with voms-proxy-info -identity command"
50			raise CrabException(msg)
51	ewv	1.9	return userdn.split('\n')[0]
52	afanfani	1.2
53			def gethnUserName():
54			"""
55			extract user name from SiteDB
56			"""
57			hnUserName = None
58			userdn = getDN()
59	ewv	1.9	mySiteDB = SiteDBJSON()
60
61	afanfani	1.2	try:
62	ewv	1.9	hnUserName = mySiteDB.dnUserName(dn=userdn)
63	afanfani	1.2	except:
64	ewv	1.9	msg = "Error. Problem extracting user name from SiteDB"
65			msg += "\n Check that you are registered in SiteDB, see https://twiki.cern.ch/twiki/bin/view/CMS/SiteDBForCRAB"
66	afanfani	1.2	raise CrabException(msg)
67			if not hnUserName:
68	ewv	1.9	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
69	afanfani	1.2	print msg
70			raise CrabException(msg)
71			return hnUserName
72
73	afanfani	1.5	def getUserName(LocalUser=False):
74	afanfani	1.4	"""
75			extract user name from either SiteDB or Unix
76			"""
77	afanfani	1.5	if LocalUser:
78			common.logger.message("==> Using as username the Unix user name")
79			UserName=getUnixUserName()
80			return UserName
81	ewv	1.9
82	afanfani	1.5	UserName=gethnUserName()
83	afanfani	1.4	return UserName
84
85	afanfani	1.2	if __name__ == '__main__' :
86			"""
87			"""
88			from crab_logger import Logger
89			from WorkSpace import *
90	ewv	1.9	continue_dir = os.path.expanduser("~")
91	afanfani	1.2	cfg_params={'USER.logdir' : continue_dir }
92			common.work_space = WorkSpace(continue_dir, cfg_params)
93			log = Logger()
94			common.logger = log
95
96	ewv	1.9	print "xx %s xx"%getUserName()
97	afanfani	1.2	baselfn = LFNBase("datasetstring")
98	ewv	1.9	print baselfn
99	afanfani	1.2
100			unmergedlfn = LFNBase("datasetstring",merged=False)
101	ewv	1.9	print unmergedlfn
102	afanfani	1.2	print PFNportion("datasetstring")