119 lines
4.5 KiB
Python
119 lines
4.5 KiB
Python
#!/usr/bin/env python
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# Install.py tool to download, unpack, build, and link to the ScaFaCoS library
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# used to automate the steps described in the README file in this dir
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from __future__ import print_function
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import sys,os,re,subprocess,shutil
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sys.path.append('..')
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from install_helpers import fullpath,geturl,get_cpus,checkmd5sum
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from argparse import ArgumentParser
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parser = ArgumentParser(prog='Install.py',
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description="LAMMPS library build wrapper script")
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# settings
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version = "1.0.1"
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url = "https://github.com/scafacos/scafacos/releases/download/v%s/scafacos-%s.tar.gz" % (version, version)
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# known checksums for different ScaFaCoS versions. used to validate the download.
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checksums = { \
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'1.0.1' : 'bd46d74e3296bd8a444d731bb10c1738' \
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}
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# extra help message
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help = """
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Syntax from src dir: make lib-scafacos args="-b"
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or: make lib-scafacos args="-p /usr/local/scafacos"
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Syntax from lib dir: python Install.py -b
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or: python Install.py -p /usr/local/scafacos
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Example:
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make lib-scafacos args="-b" # download/build in lib/scafacos/scafacos
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make lib-scafacos args="-p $HOME/scafacos" # use existing ScaFaCoS installation in $HOME
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"""
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# parse and process arguments
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pgroup = parser.add_mutually_exclusive_group()
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pgroup.add_argument("-b", "--build", action="store_true",
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help="download and build the ScaFaCoS library")
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pgroup.add_argument("-p", "--path",
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help="specify folder of existing ScaFaCoS installation")
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parser.add_argument("-v", "--version", default=version,
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help="set version of ScaFaCoS to download and build (default: %s)" % version)
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args = parser.parse_args()
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# print help message and exit, if neither build nor path options are given
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if args.build == False and not args.path:
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parser.print_help()
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sys.exit(help)
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buildflag = args.build
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pathflag = args.path != None
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homepath = fullpath(".")
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scafacospath = "%s/scafacos-%s" % (homepath,version)
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if (pathflag):
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scafacospath = args.path
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if not os.path.isdir("%s/include" % scafacospath):
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sys.exit("ScaFaCoS include path for %s does not exist" % scafacospath)
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if (not os.path.isdir("%s/lib64" % scafacospath)) \
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and (not os.path.isdir("%s/lib" % scafacospath)):
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sys.exit("ScaFaCoS lib path for %s does not exist" % scafacospath)
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scafacospath = fullpath(scafacospath)
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# download and unpack ScaFaCoS tarball
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if buildflag:
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print("Downloading ScaFaCoS ...")
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geturl(url,"%s/scafacos-%s.tar.gz" % (homepath,version))
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# verify downloaded archive integrity via md5 checksum, if known.
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if version in checksums:
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if not checkmd5sum(checksums[version],'%s/scafacos-%s.tar.gz' % (homepath,version)):
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sys.exit("Checksum for ScaFaCoS library does not match")
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print("Unpacking ScaFaCoS tarball ...")
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if os.path.exists(scafacospath):
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shutil.rmtree(scafacospath)
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cmd = 'cd "%s"; tar -xzvf %s.tar.gz' % (homepath,scafacospath)
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subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
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os.remove("%s.tar.gz" % scafacospath)
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# build ScaFaCoS
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print("Building ScaFaCoS ...")
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n_cpu = get_cpus()
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cmd = 'cd "%s"; ./configure --prefix="%s/build" --disable-doc --enable-fcs-solvers=fmm,p2nfft,direct,ewald,p3m --with-internal-fftw --with-internal-pfft --with-internal-pnfft CC=mpicc FC=mpif90 CXX=mpicxx F77=; make -j%d; make install' % (scafacospath,homepath,n_cpu)
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try:
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txt = subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
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print(txt.decode('UTF-8'))
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except subprocess.CalledProcessError as e:
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sys.exit("Make failed with:\n %s" % e.output.decode('UTF-8'))
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# create 2 links in lib/scafacos to ScaFaCoS include/lib dirs
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print("Creating links to ScaFaCoS include and lib files")
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if os.path.isfile("includelink") or os.path.islink("includelink"):
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os.remove("includelink")
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if os.path.isfile("liblink") or os.path.islink("liblink"):
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os.remove("liblink")
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if buildflag:
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cmd = 'ln -s "%s/build/include" includelink' % homepath
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subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
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cmd = 'ln -s "%s/build/lib" liblink' % homepath
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subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
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else:
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cmd = 'ln -s "%s/include" includelink' % scafacospath
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subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
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if os.path.isdir("%s/lib64" % scafacospath):
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cmd = 'ln -s "%s/lib64" liblink' % scafacospath
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else:
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cmd = 'ln -s "%s/lib" liblink' % scafacospath
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subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
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