DAMASK_EICMD/installation/setup_env.py

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#!/usr/bin/env python
import os,sys,string,re,platform
from optparse import OptionParser
validShell = {\
'bash': 'DAMASK_env.sh' ,
'csh': 'DAMASK_env.csh',
'windows': 'DAMASK_env.bat',
}
env_order = ['DAMASK_ROOT','DAMASK_BIN','PATH','PYTHONPATH','LD_LIBRARY_PATH']
environment = { 'DAMASK_ROOT':
[{'delete':'',
'substitute':'[DamaskRoot]',
'append': False,
},
],
'DAMASK_BIN':
[{'delete':'',
'substitute':'[os.path.join(DamaskRoot,"bin")]',
'append': False,
},
],
'PATH':
[{'delete':'"${DAMASK_BIN}"',
'substitute':'["${DAMASK_BIN}"]',
'append': True,
},
],
'PYTHONPATH':
[{'delete':'"${DAMASK_ROOT}/lib"',
'substitute':'["${DAMASK_ROOT}/lib"]',
'append': True,
},
],
'LD_LIBRARY_PATH':
[{'activate': 'pathInfo["acml"]',
'delete': '"acml"', # what keywords trigger item deletion from existing path
'substitute':'[os.path.join(pathInfo["acml"],"ifort64_mp/lib"),\
os.path.join(pathInfo["acml"],"ifort64/lib"),\
os.path.join(pathInfo["acml"],"gfortran64_mp/lib"),\
os.path.join(pathInfo["acml"],"gfortran64/lib")]', # what to substitute for deleted path items
'append': True, # whether new entries append to existing ${env}
},
{'activate': 'pathInfo["lapack"]',
'delete': '[os.path.join(pathInfo["lapack"],"lib"),\
os.path.join(pathInfo["lapack"],"lib64")]', # deleted current (same) entry
'substitute':'[os.path.join(pathInfo["lapack"],"lib"),\
os.path.join(pathInfo["lapack"],"lib64")]', # what to substitute for deleted path
'append': True, # whether new entries append to existing ${env}
},
{'activate': 'pathInfo["fftw"]',
'delete': '[os.path.join(pathInfo["fftw"],"lib")]', # deleted current (same) entry
'substitute':'[os.path.join(pathInfo["fftw"],"lib")]', # what to substitute for deleted path items
'append': True, # whether new entries append to existing ${env}
},
],
}
parser = OptionParser(usage="%prog [options]", description = """
Sets up your shell resource to be compatible with DAMASK.
""" + string.replace('$Id: setup_shellrc.py 2126 2013-02-01 13:22:40Z MPIE\m.diehl $','\n','\\n')
)
parser.add_option("-s","--shell", type="string",
dest = "shell", \
help = "type of shell, e.g. "+', '.join(validShell.keys())+" [%default]")
parser.set_defaults(shell = 'windows' if platform.system() == 'Windows' else 'bash')
(options, args) = parser.parse_args()
pathInfo = {}
DamaskRoot = os.path.normpath(os.path.join(os.path.dirname(os.path.realpath(sys.argv[0])),'../'))
try: # check for user-defined pathinfo
file = open(os.path.join(DamaskRoot,'lib/pathinfo'))
content = map(lambda string: string.strip(),file.readlines())
file.close()
for line in content:
if not (line.startswith('#') or line == ''):
items = line.split() + ['','']
pathInfo[items[0].lower()] = {False: os.path.normpath(os.path.join(DamaskRoot,'lib/',items[1])),
True: items[1]}[items[1] == '']
except:
pass
theShell = options.shell.lower()
if theShell not in validShell:
print('invalid shell %s, assuming bash', theShell)
theShell='bash'
theSourceFile = validShell[theShell]
thePath = os.path.join(DamaskRoot,theSourceFile)
if os.path.exists(thePath):
print('parsing existing %s'%thePath)
currentSourceFile = open(thePath)
content = map(string.strip,currentSourceFile.readlines())
currentSourceFile.close()
match = {}
for var in env_order: match[var] = False
output = []
for line in content:
for var in env_order:
m = re.search(\
{\
'bash': r'^(.*? %s=)([^;]*)(.*)$'%var,
'csh': r'^(\s*setenv\s+%s\s+)([^;]*)(.*)$'%var,
'windows': r'^(\s*SET\s+%s\s+)([^;]*)(.*)$'%var #case insesitiv search + second % sign
}[theShell],line)
if m:
n = re.search(r'(%s)'%var, line)
o = re.search(r'(#)', line)
if o:
if o.start() < n.start():
print 'skipped potential comment line, please check!'
continue
match[var] = True
items = m.group(2).split(':')
for piece in environment[var]:
try:
if 'activate' not in piece or eval(piece['activate']) != '':
if piece['append']:
if 'delete' in piece:
killer = eval(piece['delete'])
if type(killer) == str:
items = [path for path in items if killer not in path]
if type(killer) == list:
items = [path for path in items if path not in killer]
items += eval(piece['substitute'])
else:
items = eval(piece['substitute'])
except:
pass
line = m.group(1)+':'.join(items)+m.group(3)
output.append(line)
for var in env_order:
if not match[var]:
items = ['${%s}'%var]
for piece in environment[var]:
try:
if 'activate' not in piece or eval(piece['activate']) != '':
if piece['append']:
items += eval(piece['substitute'])
else:
items = eval(piece['substitute'])
except:
pass
output.append({\
'bash': 'export %s=%s'%(var,':'.join(items)),
'csh': 'setenv %s %s'%(var,':'.join(items)),
'windows': 'SET %s %s'%(var,':'.join(items)),
}[theShell])
print('writing to %s'%thePath)
newSourceFile = open(thePath,'w')
newSourceFile.write('\n'.join(output)+'\n')
newSourceFile.close()