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nsmirnov |
1.1 |
###########################################################################
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#
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# C O N V E N I E N C E F U N C T I O N S
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#
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###########################################################################
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import string, sys, os
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import ConfigParser, re, popen2
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nsmirnov |
1.2 |
import common
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nsmirnov |
1.1 |
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###########################################################################
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def parseOptions(argv):
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"""
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Parses command-line options.
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Returns a dictionary with specified options as keys:
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-opt1 --> 'opt1' : None
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-opt2 val --> 'opt2' : 'val'
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-opt3=val --> 'opt3' : 'val'
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Usually called as
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options = parseOptions(sys.argv[1:])
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"""
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options = {}
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argc = len(argv)
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i = 0
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while ( i < argc ):
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if argv[i][0] != '-':
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i = i + 1
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continue
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eq = string.find(argv[i], '=')
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if eq > 0 :
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opt = argv[i][:eq]
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val = argv[i][eq+1:]
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pass
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else:
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opt = argv[i]
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val = None
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if ( i+1 < argc and argv[i+1][0] != '-' ):
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i = i + 1
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val = argv[i]
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pass
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pass
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options[opt] = val
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i = i + 1
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pass
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return options
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###########################################################################
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def loadConfig(file):
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"""
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returns a dictionary with keys of the form
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<section>.<option> and the corresponding values
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"""
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config={}
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cp = ConfigParser.ConfigParser()
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cp.read(file)
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for sec in cp.sections():
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# print 'Section',sec
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for opt in cp.options(sec):
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#print 'config['+sec+'.'+opt+'] = '+string.strip(cp.get(sec,opt))
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config[sec+'.'+opt] = string.strip(cp.get(sec,opt))
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return config
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###########################################################################
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def isInt(str):
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""" Is the given string an integer ?"""
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try: int(str)
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except ValueError: return 0
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return 1
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###########################################################################
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def isBool(str):
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""" Is the given string 0 or 1 ?"""
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if (str in ('0','1')): return 1
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return 0
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###########################################################################
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def findLastWorkDir(dir_prefix, where = None):
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if not where: where = os.getcwd() + '/'
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# dir_prefix usually has the form 'crab_0_'
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pattern = re.compile(dir_prefix)
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file_list = []
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for fl in os.listdir(where):
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if pattern.match(fl):
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file_list.append(fl)
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pass
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pass
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if len(file_list) == 0: return None
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file_list.sort()
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wdir = where + file_list[len(file_list)-1]
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return wdir
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###########################################################################
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def importName(module_name, name):
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"""
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Import a named object from a Python module,
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i.e., it is an equivalent of 'from module_name import name'.
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"""
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module = __import__(module_name, globals(), locals(), [name])
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return vars(module)[name]
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###########################################################################
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nsmirnov |
1.2 |
def runCommand(cmd):
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nsmirnov |
1.1 |
"""
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Run command 'cmd'.
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Returns command stdoutput+stderror string on success,
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or None if an error occurred.
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"""
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nsmirnov |
1.2 |
common.logger.debug(2, cmd)
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nsmirnov |
1.1 |
#child = os.popen(cmd)
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#(child,stdin) = popen2.popen4(cmd) # requires python2
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child = popen2.Popen3(cmd,1)
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err = child.wait()
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cmd_out = child.fromchild.read()
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cmd_err = child.childerr.read()
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if err:
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msg = ('`'+cmd+'`\n failed with exit code '
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+`err`+'='+`(err&0xff)`+'(signal)+'
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+`(err>>8)`+'(status)'+'\n')
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msg += cmd_out
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msg += cmd_err
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nsmirnov |
1.2 |
common.logger.message(msg)
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nsmirnov |
1.1 |
return None
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cmd_out = cmd_out + cmd_err
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nsmirnov |
1.2 |
common.logger.debug(2, cmd_out)
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nsmirnov |
1.1 |
#err = child_stdout.close()
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#if err:
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# common.log.message('OUT`'+cmd+'`\n failed with exit code '
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# +`err`+'='+`(err&0xff)`+'(signal)+'
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# +`(err>>8)`+'(status)')
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# return None
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if cmd_out == '' : cmd_out = ' '
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return cmd_out
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