source: sasview/sasview/sasview.py @ 9528caa

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 9528caa was 558d64e, checked in by ajj, 8 years ago

Fixing matplotlib directory clash issue

  • Property mode set to 100644
File size: 6.4 KB
Line 
1"""
2Base module for loading and running the main SasView application.
3"""
4################################################################################
5#This software was developed by the University of Tennessee as part of the
6#Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
7#project funded by the US National Science Foundation.
8#
9#See the license text in license.txt
10#
11#copyright 2009, University of Tennessee
12################################################################################
13import os
14import sys
15import logging
16import traceback
17
18logging.basicConfig(level=logging.INFO,
19                    format='%(asctime)s %(levelname)s %(message)s',
20                    filename=os.path.join(os.path.expanduser("~"),
21                                          'sasview.log'))
22logging.captureWarnings(True)
23
24class StreamToLogger(object):
25    """
26        File-like stream object that redirects writes to a logger instance.
27    """
28    def __init__(self, logger, log_level=logging.INFO):
29        self.logger = logger
30        self.log_level = log_level
31        self.linebuf = ''
32
33    def write(self, buf):
34        """
35        Main logging method
36        """
37        # Write the message to stdout so we can see it when running interactively
38        sys.stdout.write(buf)
39        for line in buf.rstrip().splitlines():
40            self.logger.log(self.log_level, line.rstrip())
41
42stderr_logger = logging.getLogger('STDERR')
43sl = StreamToLogger(stderr_logger, logging.ERROR)
44sys.stderr = sl
45
46# Log the start of the session
47logging.info(" --- SasView session started ---")
48
49# Log the python version
50logging.info("Python: %s" % sys.version)
51
52# Allow the dynamic selection of wxPython via an environment variable, when devs
53# who have multiple versions of the module installed want to pick between them.
54# This variable does not have to be set of course, and through normal usage will
55# probably not be, but this can make things a little easier when upgrading to a
56# new version of wx.
57WX_ENV_VAR = "SASVIEW_WX_VERSION"
58if WX_ENV_VAR in os.environ:
59    logging.info("You have set the %s environment variable to %s." % \
60                 (WX_ENV_VAR, os.environ[WX_ENV_VAR]))
61    import wxversion
62    if wxversion.checkInstalled(os.environ[WX_ENV_VAR]):
63        logging.info("Version %s of wxPython is installed, so using that version." % os.environ[WX_ENV_VAR])
64        wxversion.select(os.environ[WX_ENV_VAR])
65    else:
66        logging.error("Version %s of wxPython is not installed, so using default version." % os.environ[WX_ENV_VAR])
67else:
68    logging.info("You have not set the %s environment variable, so using default version of wxPython." % WX_ENV_VAR)
69
70import wx
71
72try:
73    logging.info("Wx version: %s" % wx.__version__)
74except:
75    logging.error("Wx version: error reading version")
76
77import wxcruft
78wxcruft.call_later_fix()
79#wxcruft.trace_new_id()
80
81#Always use private .matplotlib setup to avoid conflicts with other
82#uses of matplotlib
83mplconfigdir = os.path.join(os.path.expanduser("~"),'.sasview','.matplotlib')
84if not os.path.exists(mplconfigdir):
85    os.mkdir(mplconfigdir)
86os.environ['MPLCONFIGDIR'] = mplconfigdir
87reload(sys)
88sys.setdefaultencoding("iso-8859-1")
89from sas.sasgui.guiframe import gui_manager
90from sas.sasgui.guiframe.gui_style import GUIFRAME
91from welcome_panel import WelcomePanel
92# For py2exe, import config here
93import local_config
94PLUGIN_MODEL_DIR = 'plugin_models'
95APP_NAME = 'SasView'
96
97class SasView():
98    """
99    Main class for running the SasView application
100    """
101    def __init__(self):
102        """
103        """
104        #from gui_manager import ViewApp
105        self.gui = gui_manager.SasViewApp(0)
106        # Set the application manager for the GUI
107        self.gui.set_manager(self)
108        # Add perspectives to the basic application
109        # Additional perspectives can still be loaded
110        # dynamically
111        # Note: py2exe can't find dynamically loaded
112        # modules. We load the fitting module here
113        # to ensure a complete Windows executable build.
114
115        # Fitting perspective
116        try:
117            import sas.sasgui.perspectives.fitting as module   
118            fitting_plug = module.Plugin()
119            self.gui.add_perspective(fitting_plug)
120        except Exception:
121            logging.error("%s: could not find Fitting plug-in module"% APP_NAME)
122            logging.error(traceback.format_exc())
123
124        # P(r) perspective
125        try:
126            import sas.sasgui.perspectives.pr as module
127            pr_plug = module.Plugin()
128            self.gui.add_perspective(pr_plug)
129        except:
130            logging.error("%s: could not find P(r) plug-in module"% APP_NAME)
131            logging.error(traceback.format_exc())
132
133        #Invariant perspective
134        try:
135            import sas.sasgui.perspectives.invariant as module
136            invariant_plug = module.Plugin()
137            self.gui.add_perspective(invariant_plug)
138        except Exception as e :
139            logging.error("%s: could not find Invariant plug-in module"% \
140                          APP_NAME)
141            logging.error(traceback.format_exc())
142
143        #Calculator perspective   
144        try:
145            import sas.sasgui.perspectives.calculator as module
146            calculator_plug = module.Plugin()
147            self.gui.add_perspective(calculator_plug)
148        except:
149            logging.error("%s: could not find Calculator plug-in module"% \
150                                                        APP_NAME)
151            logging.error(traceback.format_exc())
152
153
154        # Add welcome page
155        self.gui.set_welcome_panel(WelcomePanel)
156
157        # Build the GUI
158        self.gui.build_gui()
159        # delete unused model folder
160        self.gui.clean_plugin_models(PLUGIN_MODEL_DIR)
161        # Start the main loop
162        self.gui.MainLoop()
163
164
165def run():
166    """
167    __main__ method for loading and running SasView
168    """
169    from multiprocessing import freeze_support
170    freeze_support()
171    if len(sys.argv) > 1:
172        ## Run sasview as an interactive python interpreter
173        #if sys.argv[1] == "-i":
174        #    sys.argv = ["ipython", "--pylab"]
175        #    from IPython import start_ipython
176        #    sys.exit(start_ipython())
177        thing_to_run = sys.argv[1]
178        sys.argv = sys.argv[1:]
179        import runpy
180        if os.path.exists(thing_to_run):
181            runpy.run_path(thing_to_run, run_name="__main__")
182        else:
183            runpy.run_module(thing_to_run, run_name="__main__")
184    else:
185        SasView()
186
187if __name__ == "__main__":
188    run()
189
Note: See TracBrowser for help on using the repository browser.