#!/usr/bin/env python """ Run sasview in place. This allows sasview to use the python files in the source tree without having to call setup.py install first. A rebuild is still necessary when working on sans models or c modules. Usage: ./run.py [args] """ import os import sys import imp from glob import glob from contextlib import contextmanager from os.path import abspath, dirname, join as joinpath def addpath(path): """ Add a directory to the python path environment, and to the PYTHONPATH environment variable for subprocesses. """ path = abspath(path) if 'PYTHONPATH' in os.environ: PYTHONPATH = path + os.pathsep + os.environ['PYTHONPATH'] else: PYTHONPATH = path os.environ['PYTHONPATH'] = PYTHONPATH sys.path.insert(0, path) @contextmanager def cd(path): """ Change directory for duration of "with" context. """ old_dir = os.getcwd() os.chdir(path) yield os.chdir(old_dir) def import_package(modname, path): """Import a package into a particular point in the python namespace""" mod = imp.load_source(modname, abspath(joinpath(path,'__init__.py'))) sys.modules[modname] = mod mod.__path__ = [abspath(path)] return mod def import_dll(modname): """Import a DLL from the build directory""" # build_path comes from context path = glob(joinpath(build_path, *modname.split('.'))+'.*')[0] #print "importing", modname, "from", path return imp.load_dynamic(modname, path) def prepare(): # Don't create *.pyc files sys.dont_write_bytecode = True # Debug numpy warnings #import numpy; numpy.seterr(all='raise') # find the directories for the source and build from distutils.util import get_platform root = abspath(dirname(__file__)) platform = '%s-%s'%(get_platform(),sys.version[:3]) build_path = joinpath(root, 'build','lib.'+platform) # Make sure that we have a private version of mplconfig mplconfig = joinpath(abspath(dirname(__file__)), '.mplconfig') os.environ['MPLCONFIGDIR'] = mplconfig if not os.path.exists(mplconfig): os.mkdir(mplconfig) #import matplotlib #matplotlib.use('Agg') #print matplotlib.__file__ #import pylab; pylab.hold(False) # add periodictable to the path try: import periodictable except: addpath(joinpath(root, '..','periodictable')) # select wx version #addpath(os.path.join(root, '..','wxPython-src-3.0.0.0','wxPython')) # Build project if the build directory does not already exist. if not os.path.exists(build_path): import subprocess with cd(root): subprocess.call((sys.executable, "setup.py", "build"), shell=False) # Put the source trees on the path addpath(joinpath(root, 'src')) addpath(joinpath(root, 'park-1.2.1')) # Import the sansview package from root/sansview as sans.sansview. It would # be better to just store the package in src/sans/sansview. import sans sans.sansview = import_package('sans.sansview', joinpath(root,'sansview')) # The sans.models package Compiled Model files should be pulled in from the build directory even though # the source is stored in src/sans/models. # Compiled modules need to be pulled from the build directory. # Some packages are not where they are needed, so load them explicitly. import sans.pr sans.pr.core = import_package('sans.pr.core', joinpath(build_path, 'sans', 'pr', 'core')) #import_dll('park._modeling') #park = import_package('park',os.path.join(build_path,'park')) # Pull the entire sans.models package from the build directory since it contains # a mixture of autogenerated python and C. Any changes in models will require # a rebuild with setup.py build sans.models = import_package('sans.models', joinpath(build_path, 'sans', 'models')) sys.path.append(build_path) #print "\n".join(sys.path) #from sans.models import SphereModel if __name__ == "__main__": # start sasview #import multiprocessing #multiprocessing.freeze_support() prepare() from sans.sansview.sansview import SasView SasView()