forked from lijiext/lammps
100 lines
2.7 KiB
Python
100 lines
2.7 KiB
Python
import hashlib,os,subprocess,sys
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# default help message
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defhelp = """
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Syntax from src dir: make lib-libname args="-m machine -e suffix"
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Syntax from lib dir: python Install.py -m machine -e suffix
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libname = name of lib dir (e.g. atc, h5md, meam, poems, etc)
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specify -m and optionally -e, order does not matter
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-m = peform a clean followed by "make -f Makefile.machine"
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machine = suffix of a lib/Makefile.* file
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-e = set EXTRAMAKE variable in Makefile.machine to Makefile.lammps.suffix
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does not alter existing Makefile.machine
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Examples:
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make lib-poems args="-m serial" # build POEMS lib with same settings as in the serial Makefile in src
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make lib-colvars args="-m mpi" # build USER-COLVARS lib with same settings as in the mpi Makefile in src
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make lib-meam args="-m ifort" # build MEAM lib with custom Makefile.ifort (using Intel Fortran)
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"""
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# print error message or help
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def error(str=None,help=None):
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if not str:
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if not help:
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print(defhelp)
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else:
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print(help)
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else: print("ERROR",str)
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sys.exit()
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# try to auto-detect the maximum number of available CPUs
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def get_cpus():
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try:
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import multiprocessing
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n_cpus = multiprocessing.cpu_count()
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except:
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n_cpus = 1
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return n_cpus
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# expand to full path name
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# process leading '~' or relative path
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def fullpath(path):
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return os.path.abspath(os.path.expanduser(path))
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def which(program):
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def is_exe(fpath):
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return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
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fpath, fname = os.path.split(program)
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if fpath:
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if is_exe(program):
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return program
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else:
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for path in os.environ["PATH"].split(os.pathsep):
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path = path.strip('"')
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exe_file = os.path.join(path, program)
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if is_exe(exe_file):
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return exe_file
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return None
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def geturl(url,fname):
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success = False
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if which('curl') != None:
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cmd = 'curl -L -o "%s" %s' % (fname,url)
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try:
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subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
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success = True
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except subprocess.CalledProcessError as e:
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print("Calling curl failed with: %s" % e.output.decode('UTF-8'))
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if not success and which('wget') != None:
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cmd = 'wget -O "%s" %s' % (fname,url)
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try:
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subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
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success = True
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except subprocess.CalledProcessError as e:
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print("Calling wget failed with: %s" % e.output.decode('UTF-8'))
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if not success:
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error("Failed to download source code with 'curl' or 'wget'")
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return
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def checkmd5sum(md5sum,fname):
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with open(fname,'rb') as fh:
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m = hashlib.md5()
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while True:
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data = fh.read(81920)
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if not data:
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break
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m.update(data)
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fh.close()
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return m.hexdigest() == md5sum
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