forked from lijiext/lammps
123 lines
4.4 KiB
Python
123 lines
4.4 KiB
Python
#!/usr/bin/env python
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"""
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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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"""
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from __future__ import print_function
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import sys, os, subprocess, shutil, tarfile
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from argparse import ArgumentParser
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sys.path.append('..')
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from install_helpers import fullpath, geturl, get_cpus, checkmd5sum
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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 not args.build 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 is not None
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version = args.version
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homepath = fullpath(".")
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scafacospath = os.path.join(homepath, "scafacos-%s" % version)
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if pathflag:
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scafacospath = args.path
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if not os.path.isdir(os.path.join(scafacospath, "include")):
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sys.exit("ScaFaCoS include path for %s does not exist" % scafacospath)
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if (not os.path.isdir(os.path.join(scafacospath, "lib64"))) \
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and (not os.path.isdir(os.path.join(scafacospath, "lib"))):
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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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tarname = os.path.join(homepath, "%s.tar.gz" % scafacospath)
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if tarfile.is_tarfile(tarname):
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tgz = tarfile.open(tarname)
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tgz.extractall(path=homepath)
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os.remove(tarname)
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else:
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sys.exit("File %s is not a supported archive" % tarname)
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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" --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, os.path.join(homepath, 'build'), 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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os.symlink(os.path.join(homepath, 'build', 'include'), 'includelink')
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os.symlink(os.path.join(homepath, 'build', 'lib'), 'liblink')
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else:
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os.symlink(os.path.join(scafacospath, 'include'), 'includelink')
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if os.path.isdir(os.path.join(scafacospath, "lib64")):
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os.symlink(os.path.join(scafacospath, 'lib64'), 'liblink')
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else:
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os.symlink(os.path.join(scafacospath, 'lib'), 'liblink')
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