#!/usr/bin/env python

"""
     Make PETSc appear to be a Python package; so it can be depended on by petsc4py
"""

def setup():
    import os,sys
    os.environ['PETSC_DIR']  = os.path.abspath(os.getcwd())
    os.environ['PETSC_ARCH'] = 'arch-python-test'
    os.chdir(os.environ['PETSC_DIR'])
    sys.path.insert(0,os.path.join(os.environ['PETSC_DIR'],'config'))
    return

def configure(prefix):
    import configure
    configure.petsc_configure(['--with-fc=0','--with-mpi=0','--with-shared-libraries','--prefix='+prefix])
    # force save of configure information, or build will fail to load it
    
    # work around bug in logger.Logger that when log file is closed Logger.defaultLog still points to something
    import logger
    logger.Logger.defaultLog = None
    return

def build():
    import builder
    builder.PETScMaker().run()
    # work around bug in logger.Logger that when log file is closed Logger.defaultLog still points to something
    import logger
    logger.Logger.defaultLog = None
    return

def install(prefix):
    import install
    import sys
    import os
    install.Installer(sys.argv[1:]+['--destDir='+prefix]).run()
    # temporary hack - delete log files created by BuildSystem - when 'sudo make install' is invoked
    delfiles=['RDict.db','RDict.log','build.log','default.log','build.log.bkp','default.log.bkp']
    for delfile in delfiles:
      if os.path.exists(delfile) and (os.stat(delfile).st_uid==0):
        os.remove(delfile)
    
if __name__ == '__main__':
    setup()
    configure("/Users/barrysmith/tmp/petsc-install")
    build()
    install("/Users/barrysmith/tmp/petsc-install")
# -----------------------------------------------------------------------------