source: sasview/src/sas/sasview/sasview.py @ efe730d

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalcmagnetic_scattrelease-4.2.2ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change on this file since efe730d was efe730d, checked in by Paul Kienzle <pkienzle@…>, 4 years ago

move sasview to src/sas/sasview and refactor bundled apps for easier debugging

  • Property mode set to 100644
File size: 6.3 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
18log_file = os.path.join(os.path.expanduser("~"), 'sasview.log')
19logging.basicConfig(level=logging.INFO,
20                    format='%(asctime)s %(levelname)s %(message)s',
21                    filename=log_file,
22)
23logging.captureWarnings(True)
24
25class StreamToLogger(object):
26    """
27        File-like stream object that redirects writes to a logger instance.
28    """
29    def __init__(self, logger, log_level=logging.INFO):
30        self.logger = logger
31        self.log_level = log_level
32        self.linebuf = ''
33
34    def write(self, buf):
35        """
36        Main logging method
37        """
38        # Write the message to stdout so we can see it when running interactively
39        sys.stdout.write(buf)
40        for line in buf.rstrip().splitlines():
41            self.logger.log(self.log_level, line.rstrip())
42
43stderr_logger = logging.getLogger('STDERR')
44sl = StreamToLogger(stderr_logger, logging.ERROR)
45sys.stderr = sl
46
47# Log the start of the session
48logging.info(" --- SasView session started ---")
49
50# Log the python version
51logging.info("Python: %s" % sys.version)
52
53# Allow the dynamic selection of wxPython via an environment variable, when devs
54# who have multiple versions of the module installed want to pick between them.
55# This variable does not have to be set of course, and through normal usage will
56# probably not be, but this can make things a little easier when upgrading to a
57# new version of wx.
58WX_ENV_VAR = "SASVIEW_WX_VERSION"
59if WX_ENV_VAR in os.environ:
60    logging.info("You have set the %s environment variable to %s." % \
61                 (WX_ENV_VAR, os.environ[WX_ENV_VAR]))
62    import wxversion
63    if wxversion.checkInstalled(os.environ[WX_ENV_VAR]):
64        logging.info("Version %s of wxPython is installed, so using that version." % os.environ[WX_ENV_VAR])
65        wxversion.select(os.environ[WX_ENV_VAR])
66    else:
67        logging.error("Version %s of wxPython is not installed, so using default version." % os.environ[WX_ENV_VAR])
68else:
69    logging.info("You have not set the %s environment variable, so using default version of wxPython." % WX_ENV_VAR)
70
71import wx
72
73try:
74    logging.info("Wx version: %s" % wx.__version__)
75except:
76    logging.error("Wx version: error reading version")
77
78from . import wxcruft
79wxcruft.call_later_fix()
80#wxcruft.trace_new_id()
81#Always use private .matplotlib setup to avoid conflicts with other
82#uses of matplotlib
83
84import sas.sasgui
85mplconfigdir = os.path.join(sas.sasgui.get_user_dir(), '.matplotlib')
86if not os.path.exists(mplconfigdir):
87    os.mkdir(mplconfigdir)
88os.environ['MPLCONFIGDIR'] = mplconfigdir
89reload(sys)
90sys.setdefaultencoding("iso-8859-1")
91
92
93from sas.sasgui.guiframe import gui_manager
94from .welcome_panel import WelcomePanel
95PLUGIN_MODEL_DIR = 'plugin_models'
96APP_NAME = 'SasView'
97
98class SasView():
99    """
100    Main class for running the SasView application
101    """
102    def __init__(self):
103        """
104        """
105        #from gui_manager import ViewApp
106        self.gui = gui_manager.SasViewApp(0)
107        # Set the application manager for the GUI
108        self.gui.set_manager(self)
109        # Add perspectives to the basic application
110        # Additional perspectives can still be loaded
111        # dynamically
112        # Note: py2exe can't find dynamically loaded
113        # modules. We load the fitting module here
114        # to ensure a complete Windows executable build.
115
116        # Fitting perspective
117        try:
118            import sas.sasgui.perspectives.fitting as module   
119            fitting_plug = module.Plugin()
120            self.gui.add_perspective(fitting_plug)
121        except Exception:
122            logging.error("%s: could not find Fitting plug-in module"% APP_NAME)
123            logging.error(traceback.format_exc())
124
125        # P(r) perspective
126        try:
127            import sas.sasgui.perspectives.pr as module
128            pr_plug = module.Plugin()
129            self.gui.add_perspective(pr_plug)
130        except:
131            logging.error("%s: could not find P(r) plug-in module"% APP_NAME)
132            logging.error(traceback.format_exc())
133
134        #Invariant perspective
135        try:
136            import sas.sasgui.perspectives.invariant as module
137            invariant_plug = module.Plugin()
138            self.gui.add_perspective(invariant_plug)
139        except Exception as e :
140            logging.error("%s: could not find Invariant plug-in module"% \
141                          APP_NAME)
142            logging.error(traceback.format_exc())
143
144        #Calculator perspective   
145        try:
146            import sas.sasgui.perspectives.calculator as module
147            calculator_plug = module.Plugin()
148            self.gui.add_perspective(calculator_plug)
149        except:
150            logging.error("%s: could not find Calculator plug-in module"% \
151                                                        APP_NAME)
152            logging.error(traceback.format_exc())
153
154
155        # Add welcome page
156        self.gui.set_welcome_panel(WelcomePanel)
157
158        # Build the GUI
159        self.gui.build_gui()
160        # delete unused model folder
161        self.gui.clean_plugin_models(PLUGIN_MODEL_DIR)
162        # Start the main loop
163        self.gui.MainLoop()
164
165
166def run():
167    """
168    __main__ method for loading and running SasView
169    """
170    from multiprocessing import freeze_support
171    freeze_support()
172    if len(sys.argv) > 1:
173        ## Run sasview as an interactive python interpreter
174        if sys.argv[1] == "-i":
175            sys.argv = ["ipython", "--pylab"]
176            from IPython import start_ipython
177            sys.exit(start_ipython())
178        thing_to_run = sys.argv[1]
179        sys.argv = sys.argv[1:]
180        import runpy
181        if os.path.exists(thing_to_run):
182            runpy.run_path(thing_to_run, run_name="__main__")
183        else:
184            runpy.run_module(thing_to_run, run_name="__main__")
185    else:
186        SasView()
187
188if __name__ == "__main__":
189    run()
190
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