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#!/usr/bin/python3
from __future__ import print_function
import os, sys, shutil
import subprocess
try:
WindowsError
except NameError:
WindowsError = None
class Installer:
def __init__(self, args = None):
if len(args)<6:
print('********************************************************************')
print('Installation script error - not enough arguments:')
print('./config/install.py SLEPC_DIR PETSC_DIR SLEPC_INSTALLDIR -destDir=DESTDIR PETSC_ARCH LIB_SUFFIX RANLIB')
print('********************************************************************')
sys.exit(1)
self.rootDir = args[0]
self.petscDir = args[1]
self.destDir = os.path.abspath(args[2])
if args[3].startswith('-destDir='):
if args[3][9:]:
# prepend to prefix dir
self.destDir = os.path.join(args[3][9:], os.path.relpath(self.destDir, os.sep))
else:
print('********************************************************************')
print('Error in argument, should start with -destDir=')
print('********************************************************************')
sys.exit(1)
self.arch = args[4]
self.arLibSuffix = args[5]
self.ranlib = ' '.join(args[6:])
self.copies = []
return
def readInstallDir(self, src):
try:
f = open(src)
for l in f.readlines():
r = l.split('=',1)
if len(r)!=2: continue
if r[0].strip() == 'SLEPC_INSTALLDIR':
break
f.close()
except:
print('********************************************************************')
print('Error reading SLEPC_INSTALLDIR from slepcvariables')
print('********************************************************************')
sys.exit(1)
return r[1].strip()
def setupDirectories(self):
self.archDir = os.path.join(self.rootDir, self.arch)
self.rootIncludeDir = os.path.join(self.rootDir, 'include')
self.archIncludeDir = os.path.join(self.rootDir, self.arch, 'include')
self.rootConfDir = os.path.join(self.rootDir, 'lib','slepc','conf')
self.archConfDir = os.path.join(self.rootDir, self.arch, 'lib','slepc','conf')
self.rootBinDir = os.path.join(self.rootDir, 'lib','slepc','bin')
self.archBinDir = os.path.join(self.rootDir, self.arch, 'bin')
self.archLibDir = os.path.join(self.rootDir, self.arch, 'lib')
self.destIncludeDir = os.path.join(self.destDir, 'include')
self.destConfDir = os.path.join(self.destDir, 'lib','slepc','conf')
self.destLibDir = os.path.join(self.destDir, 'lib')
self.destBinDir = os.path.join(self.destDir, 'lib','slepc','bin')
self.installDir = self.readInstallDir(os.path.join(self.archConfDir,'slepcvariables'))
self.installIncludeDir = os.path.join(self.installDir, 'include')
self.installBinDir = os.path.join(self.installDir, 'lib','slepc','bin')
self.rootShareDir = os.path.join(self.rootDir, 'share')
self.destShareDir = os.path.join(self.destDir, 'share')
self.rootSrcDir = os.path.join(self.rootDir, 'src')
return
def checkDestdir(self):
if os.path.exists(self.destDir):
if os.path.samefile(self.destDir, self.rootDir):
print('********************************************************************')
print('Incorrect prefix usage. Specified destDir same as current SLEPC_DIR')
print('********************************************************************')
sys.exit(1)
if os.path.samefile(self.destDir, os.path.join(self.rootDir,self.arch)):
print('********************************************************************')
print('Incorrect prefix usage. Specified destDir same as current SLEPC_DIR/PETSC_ARCH')
print('********************************************************************')
sys.exit(1)
if not os.path.isdir(os.path.realpath(self.destDir)):
print('********************************************************************')
print('Specified destDir', self.destDir, 'is not a directory. Cannot proceed!')
print('********************************************************************')
sys.exit(1)
if not os.access(self.destDir, os.W_OK):
print('********************************************************************')
print('Unable to write to ', self.destDir, 'Perhaps you need to do "sudo make install"')
print('********************************************************************')
sys.exit(1)
return
def copyfile(self, src, dst, symlinks = False, copyFunc = shutil.copy2):
"""Copies a single file """
copies = []
errors = []
if not os.path.exists(dst):
os.makedirs(dst)
elif not os.path.isdir(dst):
raise shutil.Error('Destination is not a directory')
srcname = src
dstname = os.path.join(dst, os.path.basename(src))
try:
if symlinks and os.path.islink(srcname):
linkto = os.readlink(srcname)
os.symlink(linkto, dstname)
else:
copyFunc(srcname, dstname)
copies.append((srcname, dstname))
except (IOError, os.error) as why:
errors.append((srcname, dstname, str(why)))
except shutil.Error as err:
errors.append((srcname,dstname,str(err.args[0])))
if errors:
raise shutil.Error(errors)
return copies
def copyexamplefiles(self, src, dst, copyFunc = shutil.copy2):
"""Copies all files, but not directories in a single file """
names = os.listdir(src)
for name in names:
if not name.endswith('.html'):
srcname = os.path.join(src, name)
if os.path.isfile(srcname):
self.copyfile(srcname,dst)
def fixExamplesMakefile(self, src):
'''Change ./${PETSC_ARCH} in makefile in root slepc directory with ${SLEPC_DIR}'''
lines = []
oldFile = open(src, 'r')
alllines=oldFile.read()
oldFile.close()
newlines=alllines.split('\n')[0]+'\n' # Firstline
# Hardcode SLEPC_DIR, PETSC_DIR and PETSC_ARCH to avoid users doing the wrong thing
newlines+='SLEPC_DIR='+self.installDir+'\n'
newlines+='PETSC_DIR='+self.petscDir+'\n'
newlines+='PETSC_ARCH=\n'
for line in alllines.split('\n')[1:]:
if line.startswith('TESTLOGFILE'):
newlines+='TESTLOGFILE = $(TESTDIR)/examples-install.log\n'
elif line.startswith('CONFIGDIR'):
newlines+='CONFIGDIR:=$(SLEPC_DIR)/$(PETSC_ARCH)/share/slepc/examples/config\n'
elif line.startswith('$(generatedtest)') and 'slepcvariables' in line:
newlines+='all: test\n\n'+line+'\n'
else:
newlines+=line+'\n'
newFile = open(src, 'w')
newFile.write(newlines)
newFile.close()
return
def copyExamples(self, src, dst):
"""Recursively copy the examples directories
"""
if not os.path.isdir(dst):
raise shutil.Error('Destination is not a directory')
self.copyfile(os.path.join(src,'makefile'),dst)
names = os.listdir(src)
nret2 = 0
for name in names:
srcname = os.path.join(src, name)
dstname = os.path.join(dst, name)
if not name.startswith('arch') and os.path.isdir(srcname) and os.path.isfile(os.path.join(srcname,'makefile')):
os.mkdir(dstname)
nret = self.copyExamples(srcname,dstname)
if name == 'tests' or name == 'tutorials' or name == 'nlevp':
self.copyexamplefiles(srcname,dstname)
if os.path.isdir(os.path.join(srcname,'output')):
os.mkdir(os.path.join(dstname,'output'))
self.copyexamplefiles(os.path.join(srcname,'output'),os.path.join(dstname,'output'))
nret = 1
if not nret:
# prune directory branches that don't have examples under them
os.unlink(os.path.join(dstname,'makefile'))
os.rmdir(dstname)
nret2 = nret + nret2
return nret2
def copyConfig(self, src, dst):
"""Recursively copy the examples directories
"""
if not os.path.isdir(dst):
raise shutil.Error('Destination is not a directory')
self.copies.extend(self.copyfile('gmakefile.test',dst))
#newConfigDir=os.path.join(dst,'config') # Am not renaming at present
#if not os.path.isdir(newConfigDir): os.mkdir(newConfigDir)
#testConfFiles="".split()
#for tf in testConfFiles:
# self.copies.extend(self.copyfile(os.path.join('config',tf),newConfigDir))
#return
def copytree(self, src, dst, symlinks = False, copyFunc = shutil.copy2, exclude = [], exclude_ext= ['.DSYM','.o','.pyc','.html'], recurse = 1):
"""Recursively copy a directory tree using copyFunc, which defaults to shutil.copy2().
The copyFunc() you provide is only used on the top level, lower levels always use shutil.copy2
The destination directory must not already exist.
If exception(s) occur, an shutil.Error is raised with a list of reasons.
If the optional symlinks flag is true, symbolic links in the
source tree result in symbolic links in the destination tree; if
it is false, the contents of the files pointed to by symbolic
links are copied.
"""
copies = []
names = os.listdir(src)
if not os.path.exists(dst):
os.makedirs(dst)
elif not os.path.isdir(dst):
raise shutil.Error('Destination is not a directory')
errors = []
for name in names:
srcname = os.path.join(src, name)
dstname = os.path.join(dst, name)
try:
if symlinks and os.path.islink(srcname):
linkto = os.readlink(srcname)
os.symlink(linkto, dstname)
elif os.path.isdir(srcname) and recurse and not os.path.basename(srcname) in exclude:
copies.extend(self.copytree(srcname, dstname, symlinks,exclude = exclude, exclude_ext = exclude_ext))
elif os.path.isfile(srcname) and not os.path.basename(srcname) in exclude and os.path.splitext(name)[1] not in exclude_ext:
copyFunc(srcname, dstname)
copies.append((srcname, dstname))
# XXX What about devices, sockets etc.?
except (IOError, os.error) as why:
errors.append((srcname, dstname, str(why)))
# catch the Error from the recursive copytree so that we can
# continue with other files
except shutil.Error as err:
errors.append((srcname,dstname,str(err.args[0])))
try:
shutil.copystat(src, dst)
except OSError as e:
if WindowsError is not None and isinstance(e, WindowsError):
# Copying file access times may fail on Windows
pass
else:
errors.append((src, dst, str(e)))
if errors:
raise shutil.Error(errors)
return copies
def fixConfFile(self, src):
lines = []
oldFile = open(src, 'r')
for line in oldFile.readlines():
# paths generated by configure could be different link-path than what's used by user, so fix both
line = line.replace(os.path.join(self.rootDir, self.arch), self.installDir)
line = line.replace(os.path.realpath(os.path.join(self.rootDir, self.arch)), self.installDir)
line = line.replace(os.path.join(self.rootDir, 'bin'), self.installBinDir)
line = line.replace(os.path.realpath(os.path.join(self.rootDir, 'bin')), self.installBinDir)
line = line.replace(os.path.join(self.rootDir, 'include'), self.installIncludeDir)
line = line.replace(os.path.realpath(os.path.join(self.rootDir, 'include')), self.installIncludeDir)
line = line.replace(self.rootDir, self.installDir)
# remove SLEPC_DIR/PETSC_ARCH variables from conf-makefiles. They are no longer necessary
line = line.replace('${SLEPC_DIR}/${PETSC_ARCH}', self.installDir)
line = line.replace('PETSC_ARCH=${PETSC_ARCH}', '')
line = line.replace('${SLEPC_DIR}', self.installDir)
lines.append(line)
oldFile.close()
newFile = open(src, 'w')
newFile.write(''.join(lines))
newFile.close()
return
def fixConf(self):
import shutil
for file in ['slepc_rules', 'slepc_variables', 'slepcrules', 'slepcvariables']:
self.fixConfFile(os.path.join(self.destConfDir,file))
self.fixConfFile(os.path.join(self.destLibDir,'pkgconfig','slepc.pc'))
self.fixConfFile(os.path.join(self.destIncludeDir,'slepcconf.h'))
return
def createUninstaller(self):
uninstallscript = os.path.join(self.destConfDir, 'uninstall.py')
f = open(uninstallscript, 'w')
# Could use the Python AST to do this
f.write('#!'+sys.executable+'\n')
f.write('import os\n')
f.write('copies = '+repr(self.copies).replace(self.destDir,self.installDir))
f.write('''
for src, dst in copies:
try:
os.remove(dst)
except:
pass
''')
#TODO: need to delete libXXX.YYY.dylib.dSYM directory on Mac
dirs = [os.path.join('include','slepc','finclude'),os.path.join('include','slepc','private'),os.path.join('lib','slepc','conf')]
newdirs = []
for dir in dirs: newdirs.append(os.path.join(self.installDir,dir))
f.write('dirs = '+str(newdirs))
f.write('''
for dir in dirs:
import shutil
try:
shutil.rmtree(dir)
except:
pass
''')
f.close()
os.chmod(uninstallscript,0o744)
return
def installIncludes(self):
# TODO: should exclude slepc/finclude except for fortran builds
self.copies.extend(self.copytree(self.rootIncludeDir, self.destIncludeDir,exclude = ['makefile']))
self.copies.extend(self.copytree(self.archIncludeDir, self.destIncludeDir))
return
def installConf(self):
self.copies.extend(self.copytree(self.rootConfDir, self.destConfDir, exclude = ['install.py','bfort-base.txt','bfort-mpi.txt','bfort-petsc.txt','bfort-slepc.txt']))
self.copies.extend(self.copytree(self.archConfDir, self.destConfDir, exclude = ['configure.log','error.log','files','gmake.log','make.log','test.log']))
return
def installBin(self):
#if os.path.exists(self.rootBinDir):
# self.copies.extend(self.copytree(self.rootBinDir, self.destBinDir))
#if os.path.exists(self.archBinDir):
# self.copies.extend(self.copytree(self.archBinDir, self.destBinDir))
return
def installShare(self):
self.copies.extend(self.copytree(self.rootShareDir, self.destShareDir))
examplesdir=os.path.join(self.destShareDir,'slepc','examples')
if os.path.exists(examplesdir):
shutil.rmtree(examplesdir)
os.mkdir(examplesdir)
os.mkdir(os.path.join(examplesdir,'src'))
self.copyExamples(self.rootSrcDir,os.path.join(examplesdir,'src'))
self.copyConfig(self.rootDir,examplesdir)
self.fixExamplesMakefile(os.path.join(examplesdir,'gmakefile.test'))
return
def copyLib(self, src, dst):
'''Run ranlib on the destination library if it is an archive. Also run install_name_tool on dylib on Mac'''
# Symlinks (assumed local) are recreated at dst
if os.path.islink(src):
linkto = os.readlink(src)
try:
os.remove(dst) # In case it already exists
except OSError:
pass
os.symlink(linkto, dst)
return
# Do not install object files
if not os.path.splitext(src)[1] == '.o':
shutil.copy2(src, dst)
if os.path.splitext(dst)[1] == '.'+self.arLibSuffix:
(result, output) = subprocess.getstatusoutput(self.ranlib+' '+dst)
if os.path.splitext(dst)[1] == '.dylib' and os.path.isfile('/usr/bin/install_name_tool'):
(result, output) = subprocess.getstatusoutput('otool -D '+src)
oldname = output[output.find("\n")+1:]
installName = oldname.replace(os.path.realpath(self.archDir), self.installDir)
(result, output) = subprocess.getstatusoutput('/usr/bin/install_name_tool -id '+installName+' '+dst)
# preserve the original timestamps - so that the .a vs .so time order is preserved
shutil.copystat(src,dst)
return
def installLib(self):
self.copies.extend(self.copytree(self.archLibDir, self.destLibDir, copyFunc = self.copyLib, exclude = ['.DIR'],recurse = 0))
self.copies.extend(self.copytree(os.path.join(self.archLibDir,'pkgconfig'), os.path.join(self.destLibDir,'pkgconfig'), copyFunc = self.copyLib, exclude = ['.DIR'],recurse = 0))
return
def outputInstallDone(self):
arch=self.arch
if arch.startswith('installed-'): arch='""'
print('''\
====================================
Install complete.
Now to check if the libraries are working do (in current directory):
make SLEPC_DIR=%s PETSC_DIR=%s PETSC_ARCH=%s check
====================================\
''' % (self.installDir,self.petscDir,arch))
return
def outputDestDirDone(self):
print('''\
====================================
Copy to DESTDIR %s is now complete.
Before use - please copy/install over to specified prefix: %s
====================================\
''' % (self.destDir,self.installDir))
return
def runsetup(self):
self.setupDirectories()
self.checkDestdir()
return
def runcopy(self):
if self.destDir == self.installDir:
print('*** Installing SLEPc at prefix location:',self.destDir, ' ***')
else:
print('*** Copying SLEPc to DESTDIR location:',self.destDir, ' ***')
if not os.path.exists(self.destDir):
try:
os.makedirs(self.destDir)
except:
print('********************************************************************')
print('Unable to create', self.destDir, 'Perhaps you need to do "sudo make install"')
print('********************************************************************')
sys.exit(1)
self.installIncludes()
self.installConf()
self.installBin()
self.installLib()
self.installShare()
return
def runfix(self):
self.fixConf()
return
def rundone(self):
self.createUninstaller()
if self.destDir == self.installDir:
self.outputInstallDone()
else:
self.outputDestDirDone()
return
def run(self):
self.runsetup()
self.runcopy()
self.runfix()
self.rundone()
return
if __name__ == '__main__':
Installer(sys.argv[1:]).run()
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