source: sasview/run.py @ bbd97e5

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change on this file since bbd97e5 was bbd97e5, checked in by pkienzle, 10 years ago

Allow tests to be run without installing sasview

  • Property mode set to 100755
File size: 4.1 KB
Line 
1#!/usr/bin/env python
2"""
3Run sasview in place.  This allows sasview to use the python
4files in the source tree without having to call setup.py install
5first.  A rebuild is still necessary when working on sans models
6or c modules.
7
8Usage:
9
10./run.py [args]
11"""
12
13import os
14import sys
15import imp
16from glob import glob
17from contextlib import contextmanager
18from os.path import abspath, dirname, join as joinpath
19
20
21def addpath(path):
22    """
23    Add a directory to the python path environment, and to the PYTHONPATH
24    environment variable for subprocesses.
25    """
26    path = abspath(path)
27    if 'PYTHONPATH' in os.environ:
28        PYTHONPATH = path + os.pathsep + os.environ['PYTHONPATH']
29    else:
30        PYTHONPATH = path
31    os.environ['PYTHONPATH'] = PYTHONPATH
32    sys.path.insert(0, path)
33
34@contextmanager
35def cd(path):
36    """
37    Change directory for duration of "with" context.
38    """
39    old_dir = os.getcwd()
40    os.chdir(path)
41    yield
42    os.chdir(old_dir)
43
44def import_package(modname, path):
45    """Import a package into a particular point in the python namespace"""
46    mod = imp.load_source(modname, abspath(joinpath(path,'__init__.py')))
47    sys.modules[modname] = mod
48    mod.__path__ = [abspath(path)]
49    return mod
50
51def import_dll(modname):
52    """Import a DLL from the build directory"""
53    # build_path comes from context
54    path = glob(joinpath(build_path, *modname.split('.'))+'.*')[0]
55    #print "importing", modname, "from", path
56    return imp.load_dynamic(modname, path)
57
58def prepare():
59    # Don't create *.pyc files
60    sys.dont_write_bytecode = True
61
62    # Debug numpy warnings
63    #import numpy; numpy.seterr(all='raise')
64
65    # find the directories for the source and build
66    from distutils.util import get_platform
67    root = abspath(dirname(__file__))
68    platform = '%s-%s'%(get_platform(),sys.version[:3])
69    build_path = joinpath(root, 'build','lib.'+platform)
70
71    # Make sure that we have a private version of mplconfig
72    mplconfig = joinpath(abspath(dirname(__file__)), '.mplconfig')
73    os.environ['MPLCONFIGDIR'] = mplconfig
74    if not os.path.exists(mplconfig): os.mkdir(mplconfig)
75    #import matplotlib
76    #matplotlib.use('Agg')
77    #print matplotlib.__file__
78    #import pylab; pylab.hold(False)
79    # add periodictable to the path
80    try: import periodictable
81    except: addpath(joinpath(root, '..','periodictable'))
82
83    # select wx version
84    #addpath(os.path.join(root, '..','wxPython-src-3.0.0.0','wxPython'))
85
86    # Build project if the build directory does not already exist.
87    if not os.path.exists(build_path):
88        import subprocess
89        with cd(root):
90            subprocess.call((sys.executable, "setup.py", "build"), shell=False)
91
92    # Put the source trees on the path
93    addpath(joinpath(root, 'src'))
94    addpath(joinpath(root, 'park-1.2.1'))
95
96    # Import the sansview package from root/sansview as sans.sansview.  It would
97    # be better to just store the package in src/sans/sansview.
98    import sans
99    sans.sansview = import_package('sans.sansview', joinpath(root,'sansview'))
100
101    # The sans.models package Compiled Model files should be pulled in from the build directory even though
102    # the source is stored in src/sans/models.
103
104    # Compiled modules need to be pulled from the build directory.
105    # Some packages are not where they are needed, so load them explicitly.
106    import sans.pr
107    sans.pr.core = import_package('sans.pr.core',
108                                  joinpath(build_path, 'sans', 'pr', 'core'))
109    #import_dll('park._modeling')
110
111    #park = import_package('park',os.path.join(build_path,'park'))
112
113    # Pull the entire sans.models package from the build directory since it contains
114    # a mixture of autogenerated python and C.  Any changes in models will require
115    # a rebuild with setup.py build
116    sans.models = import_package('sans.models', joinpath(build_path, 'sans', 'models'))
117
118    sys.path.append(build_path)
119
120    #print "\n".join(sys.path)
121    #from sans.models import SphereModel
122
123if __name__ == "__main__":
124    # start sasview
125    #import multiprocessing
126    #multiprocessing.freeze_support()
127    prepare()
128    from sans.sansview.sansview import SasView
129    SasView()
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