CRAB/python/crab_util.py

###########################################################################
#
#   C O N V E N I E N C E    F U N C T I O N S
#
###########################################################################

import string, sys, os
import ConfigParser, re, popen2

import common

###########################################################################
def parseOptions(argv):
    """
    Parses command-line options.
    Returns a dictionary with specified options as keys:
    -opt1             --> 'opt1' : None
    -opt2 val         --> 'opt2' : 'val'
    -opt3=val         --> 'opt3' : 'val'
    Usually called as
    options = parseOptions(sys.argv[1:])
    """
    options = {}
    argc = len(argv)
    i = 0
    while ( i < argc ):
        if argv[i][0] != '-':
            i = i + 1
            continue
        eq = string.find(argv[i], '=')
        if eq > 0 :
            opt = argv[i][:eq]
            val = argv[i][eq+1:]
            pass
        else:
            opt = argv[i]
            val = None
            if ( i+1 < argc and argv[i+1][0] != '-' ):
                i = i + 1
                val = argv[i]
                pass
            pass
        options[opt] = val
        i = i + 1
        pass
    return options

###########################################################################
def loadConfig(file):
    """
    returns a dictionary with keys of the form
    <section>.<option> and the corresponding values
    """
    config={}
    cp = ConfigParser.ConfigParser()
    cp.read(file)
    for sec in cp.sections():
        # print 'Section',sec
        for opt in cp.options(sec):
            #print 'config['+sec+'.'+opt+'] = '+string.strip(cp.get(sec,opt))
            config[sec+'.'+opt] = string.strip(cp.get(sec,opt))
    return config

###########################################################################
def isInt(str):
    """ Is the given string an integer ?"""
    try: int(str)
    except ValueError: return 0
    return 1

###########################################################################
def isBool(str):
    """ Is the given string 0 or 1 ?"""
    if (str in ('0','1')): return 1
    return 0

###########################################################################
def parseRange(range):
    """
    Takes as the input a string with two integers separated by
    the minus sign and returns the tuple with these numbers:
    'n1-n2' -> (n1, n2)
    'n1'    -> (n1, n1)
    """
    start = None
    end   = None
    minus = string.find(range, '-')
    if ( minus < 0 ):
        if isInt(range):
            start = int(range)
            end   = start
            pass
        pass
    else:
        if isInt(range[:minus]) and isInt(range[minus+1:]):
            start = int(range[:minus])
            end   = int(range[minus+1:])
            pass
        pass
    return (start, end)

###########################################################################
def parseRange2(range):
    """
    Takes as the input a string in the form of a comma-separated
    numbers and ranges
    and returns a list with all specified numbers:
    'n1'          -> [n1]
    'n1-n2'       -> [n1, n1+1, ..., n2]
    'n1,n2-n3,n4' -> [n1, n2, n2+1, ..., n3, n4]
    """
    list = []
    if not range: return list

    comma = string.find(range, ',')
    if comma == -1: left = range
    else:           left = range[:comma]

    (n1, n2) = parseRange(left)
    while ( n1 <= n2 ):
        list.append(n1)
        n1 += 1
        pass

    if comma != -1:
        list.extend(parseRange2(range[comma+1:]))
        pass

    return list

###########################################################################
def crabJobStatusToString(crab_status):
    """
    Convert one-letter crab job status into more readable string.
    """
    if   crab_status == 'C': status = 'Created'
    elif crab_status == 'D': status = 'Done'
    elif crab_status == 'S': status = 'Submitted'
    elif crab_status == 'K': status = 'Killed'
    elif crab_status == 'X': status = 'None'
    elif crab_status == 'Y': status = 'Output retrieved'
    elif crab_status == 'A': status = 'Aborted'
    elif crab_status == 'RC': status = 'ReCreated'
    else: status = '???'
    return status

###########################################################################
def findLastWorkDir(dir_prefix, where = None):

    if not where: where = os.getcwd() + '/'
    # dir_prefix usually has the form 'crab_0_'
    pattern = re.compile(dir_prefix)

    file_list = []
    for fl in os.listdir(where):
        if pattern.match(fl):
            file_list.append(fl)
            pass
        pass

    if len(file_list) == 0: return None

    file_list.sort()

    wdir = where + file_list[len(file_list)-1]
    return wdir

###########################################################################
def importName(module_name, name):
    """
    Import a named object from a Python module,
    i.e., it is an equivalent of 'from module_name import name'.
    """
    module = __import__(module_name, globals(), locals(), [name])
    return vars(module)[name]

###########################################################################
def runCommand(cmd):
    """
    Run command 'cmd'.
    Returns command stdoutput+stderror string on success,
    or None if an error occurred.
    """
    common.logger.debug(2, cmd)
    child = popen2.Popen3(cmd,1)
    err = child.wait()
    cmd_out = child.fromchild.read()
    cmd_err = child.childerr.read()
    if err :
        msg = ('`'+cmd+'`\n   failed with exit code '
               +`err`+'='+`(err&0xff)`+'(signal)+'
               +`(err>>8)`+'(status)'+'\n')
        msg += 'cmd_out = ' + cmd_out
        msg += 'cmd_err = ' + cmd_err
        common.logger.message(msg)
        return None

    cmd_out = cmd_out + cmd_err
    common.logger.debug(2, cmd_out)

    if cmd_out == '' : cmd_out = ' '
    return cmd_out

if __name__ == '__main__':
    import sys
    print 'sys.argv[1] =',sys.argv[1]
    list = parseRange2(sys.argv[1])
    print list
    
Revision:	1.8
Committed:	Mon Oct 3 12:17:44 2005 UTC (19 years, 7 months ago) by fanzago
Content type:	text/x-python
Branch:	MAIN
CVS Tags:	CRAB_1_0_0_pre1_boss_2
Changes since 1.7:	+4 -12 lines
Log Message:	fixed bugs
#	User	Rev	Content
1	nsmirnov	1.1	###########################################################################
2			#
3			# C O N V E N I E N C E F U N C T I O N S
4			#
5			###########################################################################
6
7			import string, sys, os
8			import ConfigParser, re, popen2
9
10	nsmirnov	1.2	import common
11	nsmirnov	1.1
12			###########################################################################
13			def parseOptions(argv):
14			"""
15			Parses command-line options.
16			Returns a dictionary with specified options as keys:
17			-opt1 --> 'opt1' : None
18			-opt2 val --> 'opt2' : 'val'
19			-opt3=val --> 'opt3' : 'val'
20			Usually called as
21			options = parseOptions(sys.argv[1:])
22			"""
23			options = {}
24			argc = len(argv)
25			i = 0
26			while ( i < argc ):
27			if argv[i][0] != '-':
28			i = i + 1
29			continue
30			eq = string.find(argv[i], '=')
31			if eq > 0 :
32			opt = argv[i][:eq]
33			val = argv[i][eq+1:]
34			pass
35			else:
36			opt = argv[i]
37			val = None
38			if ( i+1 < argc and argv[i+1][0] != '-' ):
39			i = i + 1
40			val = argv[i]
41			pass
42			pass
43			options[opt] = val
44			i = i + 1
45			pass
46			return options
47
48			###########################################################################
49			def loadConfig(file):
50			"""
51			returns a dictionary with keys of the form
52			<section>.<option> and the corresponding values
53			"""
54			config={}
55			cp = ConfigParser.ConfigParser()
56			cp.read(file)
57			for sec in cp.sections():
58			# print 'Section',sec
59			for opt in cp.options(sec):
60			#print 'config['+sec+'.'+opt+'] = '+string.strip(cp.get(sec,opt))
61			config[sec+'.'+opt] = string.strip(cp.get(sec,opt))
62			return config
63
64			###########################################################################
65			def isInt(str):
66			""" Is the given string an integer ?"""
67			try: int(str)
68			except ValueError: return 0
69			return 1
70
71			###########################################################################
72			def isBool(str):
73			""" Is the given string 0 or 1 ?"""
74			if (str in ('0','1')): return 1
75			return 0
76
77			###########################################################################
78	nsmirnov	1.3	def parseRange(range):
79			"""
80			Takes as the input a string with two integers separated by
81			the minus sign and returns the tuple with these numbers:
82			'n1-n2' -> (n1, n2)
83			'n1' -> (n1, n1)
84			"""
85			start = None
86			end = None
87			minus = string.find(range, '-')
88			if ( minus < 0 ):
89			if isInt(range):
90			start = int(range)
91			end = start
92			pass
93			pass
94			else:
95			if isInt(range[:minus]) and isInt(range[minus+1:]):
96			start = int(range[:minus])
97			end = int(range[minus+1:])
98			pass
99			pass
100			return (start, end)
101
102			###########################################################################
103	nsmirnov	1.4	def parseRange2(range):
104			"""
105			Takes as the input a string in the form of a comma-separated
106			numbers and ranges
107			and returns a list with all specified numbers:
108			'n1' -> [n1]
109			'n1-n2' -> [n1, n1+1, ..., n2]
110			'n1,n2-n3,n4' -> [n1, n2, n2+1, ..., n3, n4]
111			"""
112			list = []
113			if not range: return list
114
115			comma = string.find(range, ',')
116			if comma == -1: left = range
117			else: left = range[:comma]
118
119			(n1, n2) = parseRange(left)
120			while ( n1 <= n2 ):
121			list.append(n1)
122			n1 += 1
123			pass
124
125			if comma != -1:
126			list.extend(parseRange2(range[comma+1:]))
127			pass
128
129			return list
130
131			###########################################################################
132	nsmirnov	1.3	def crabJobStatusToString(crab_status):
133			"""
134			Convert one-letter crab job status into more readable string.
135			"""
136			if crab_status == 'C': status = 'Created'
137	slacapra	1.6	elif crab_status == 'D': status = 'Done'
138	nsmirnov	1.3	elif crab_status == 'S': status = 'Submitted'
139			elif crab_status == 'K': status = 'Killed'
140			elif crab_status == 'X': status = 'None'
141			elif crab_status == 'Y': status = 'Output retrieved'
142	slacapra	1.5	elif crab_status == 'A': status = 'Aborted'
143	spiga	1.7	elif crab_status == 'RC': status = 'ReCreated'
144	nsmirnov	1.3	else: status = '???'
145			return status
146
147			###########################################################################
148	nsmirnov	1.1	def findLastWorkDir(dir_prefix, where = None):
149
150			if not where: where = os.getcwd() + '/'
151			# dir_prefix usually has the form 'crab_0_'
152			pattern = re.compile(dir_prefix)
153
154			file_list = []
155			for fl in os.listdir(where):
156			if pattern.match(fl):
157			file_list.append(fl)
158			pass
159			pass
160
161			if len(file_list) == 0: return None
162
163			file_list.sort()
164
165			wdir = where + file_list[len(file_list)-1]
166			return wdir
167
168			###########################################################################
169			def importName(module_name, name):
170			"""
171			Import a named object from a Python module,
172			i.e., it is an equivalent of 'from module_name import name'.
173			"""
174			module = __import__(module_name, globals(), locals(), [name])
175			return vars(module)[name]
176
177			###########################################################################
178	nsmirnov	1.2	def runCommand(cmd):
179	nsmirnov	1.1	"""
180			Run command 'cmd'.
181			Returns command stdoutput+stderror string on success,
182			or None if an error occurred.
183			"""
184	nsmirnov	1.2	common.logger.debug(2, cmd)
185	nsmirnov	1.1	child = popen2.Popen3(cmd,1)
186			err = child.wait()
187			cmd_out = child.fromchild.read()
188			cmd_err = child.childerr.read()
189	fanzago	1.8	if err :
190	nsmirnov	1.1	msg = ('`'+cmd+'`\n failed with exit code '
191			+`err`+'='+`(err&0xff)`+'(signal)+'
192			+`(err>>8)`+'(status)'+'\n')
193	fanzago	1.8	msg += 'cmd_out = ' + cmd_out
194			msg += 'cmd_err = ' + cmd_err
195	nsmirnov	1.2	common.logger.message(msg)
196	nsmirnov	1.1	return None
197
198			cmd_out = cmd_out + cmd_err
199	nsmirnov	1.2	common.logger.debug(2, cmd_out)
200	fanzago	1.8
201	nsmirnov	1.1	if cmd_out == '' : cmd_out = ' '
202			return cmd_out
203	nsmirnov	1.4
204			if __name__ == '__main__':
205			import sys
206			print 'sys.argv[1] =',sys.argv[1]
207			list = parseRange2(sys.argv[1])
208			print list
209