[415fb82] | 1 | """ |
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| 2 | Base module for loading and running the main SasView application. |
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| 3 | """ |
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[f76bf17] | 4 | ################################################################################ |
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| 5 | #This software was developed by the University of Tennessee as part of the |
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| 6 | #Distributed Data Analysis of Neutron Scattering Experiments (DANSE) |
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[415fb82] | 7 | #project funded by the US National Science Foundation. |
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[f76bf17] | 8 | # |
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| 9 | #See the license text in license.txt |
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| 10 | # |
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| 11 | #copyright 2009, University of Tennessee |
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| 12 | ################################################################################ |
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| 13 | import os |
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| 14 | import sys |
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| 15 | import logging |
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[4e080980] | 16 | import traceback |
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| 17 | |
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[f76bf17] | 18 | logging.basicConfig(level=logging.INFO, |
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| 19 | format='%(asctime)s %(levelname)s %(message)s', |
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| 20 | filename=os.path.join(os.path.expanduser("~"), |
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| 21 | 'sasview.log')) |
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| 22 | logging.captureWarnings(True) |
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| 23 | |
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| 24 | class StreamToLogger(object): |
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| 25 | """ |
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| 26 | File-like stream object that redirects writes to a logger instance. |
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| 27 | """ |
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| 28 | def __init__(self, logger, log_level=logging.INFO): |
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| 29 | self.logger = logger |
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| 30 | self.log_level = log_level |
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| 31 | self.linebuf = '' |
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[415fb82] | 32 | |
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[f76bf17] | 33 | def write(self, buf): |
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[415fb82] | 34 | """ |
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| 35 | Main logging method |
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| 36 | """ |
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[f76bf17] | 37 | # Write the message to stdout so we can see it when running interactively |
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| 38 | sys.stdout.write(buf) |
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| 39 | for line in buf.rstrip().splitlines(): |
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| 40 | self.logger.log(self.log_level, line.rstrip()) |
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| 41 | |
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| 42 | stderr_logger = logging.getLogger('STDERR') |
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| 43 | sl = StreamToLogger(stderr_logger, logging.ERROR) |
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| 44 | sys.stderr = sl |
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| 45 | |
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[415fb82] | 46 | # Log the start of the session |
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| 47 | logging.info(" --- SasView session started ---") |
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| 48 | |
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[f76bf17] | 49 | # Log the python version |
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| 50 | logging.info("Python: %s" % sys.version) |
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| 51 | |
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| 52 | # Allow the dynamic selection of wxPython via an environment variable, when devs |
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| 53 | # who have multiple versions of the module installed want to pick between them. |
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| 54 | # This variable does not have to be set of course, and through normal usage will |
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| 55 | # probably not be, but this can make things a little easier when upgrading to a |
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| 56 | # new version of wx. |
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| 57 | WX_ENV_VAR = "SASVIEW_WX_VERSION" |
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| 58 | if WX_ENV_VAR in os.environ: |
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[415fb82] | 59 | logging.info("You have set the %s environment variable to %s." % \ |
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| 60 | (WX_ENV_VAR, os.environ[WX_ENV_VAR])) |
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[f76bf17] | 61 | import wxversion |
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| 62 | if wxversion.checkInstalled(os.environ[WX_ENV_VAR]): |
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| 63 | logging.info("Version %s of wxPython is installed, so using that version." % os.environ[WX_ENV_VAR]) |
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| 64 | wxversion.select(os.environ[WX_ENV_VAR]) |
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| 65 | else: |
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| 66 | logging.error("Version %s of wxPython is not installed, so using default version." % os.environ[WX_ENV_VAR]) |
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| 67 | else: |
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| 68 | logging.info("You have not set the %s environment variable, so using default version of wxPython." % WX_ENV_VAR) |
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| 69 | |
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| 70 | import wx |
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| 71 | try: |
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| 72 | logging.info("Wx version: %s" % wx.__version__) |
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| 73 | except: |
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| 74 | logging.error("Wx version: error reading version") |
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[415fb82] | 75 | |
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| 76 | # The below will make sure that sasview application uses the matplotlib font |
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| 77 | # bundled with sasview. |
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[f76bf17] | 78 | if hasattr(sys, 'frozen'): |
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| 79 | mplconfigdir = os.path.join(os.path.expanduser("~"), '.matplotlib') |
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| 80 | if not os.path.exists(mplconfigdir): |
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| 81 | os.mkdir(mplconfigdir) |
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| 82 | os.environ['MPLCONFIGDIR'] = mplconfigdir |
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| 83 | reload(sys) |
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| 84 | sys.setdefaultencoding("iso-8859-1") |
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| 85 | from sas.guiframe import gui_manager |
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| 86 | from sas.guiframe.gui_style import GUIFRAME |
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[415fb82] | 87 | from sas.sasview.welcome_panel import WelcomePanel |
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[f76bf17] | 88 | # For py2exe, import config here |
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[415fb82] | 89 | import sas.sasview.local_config |
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[f76bf17] | 90 | PLUGIN_MODEL_DIR = 'plugin_models' |
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| 91 | APP_NAME = 'SasView' |
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| 92 | |
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| 93 | class SasViewApp(gui_manager.ViewApp): |
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| 94 | """ |
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| 95 | """ |
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| 96 | |
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| 97 | |
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| 98 | class SasView(): |
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| 99 | """ |
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[415fb82] | 100 | Main class for running the SasView application |
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[f76bf17] | 101 | """ |
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| 102 | def __init__(self): |
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| 103 | """ |
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| 104 | """ |
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| 105 | #from gui_manager import ViewApp |
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[415fb82] | 106 | self.gui = SasViewApp(0) |
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[f76bf17] | 107 | # Set the application manager for the GUI |
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| 108 | self.gui.set_manager(self) |
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| 109 | # Add perspectives to the basic application |
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| 110 | # Additional perspectives can still be loaded |
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| 111 | # dynamically |
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| 112 | # Note: py2exe can't find dynamically loaded |
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| 113 | # modules. We load the fitting module here |
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| 114 | # to ensure a complete Windows executable build. |
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| 115 | |
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| 116 | # Fitting perspective |
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| 117 | try: |
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| 118 | import sas.perspectives.fitting as module |
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| 119 | fitting_plug = module.Plugin() |
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| 120 | self.gui.add_perspective(fitting_plug) |
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[415fb82] | 121 | except Exception: |
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[4e080980] | 122 | logging.error("%s: could not find Fitting plug-in module"% APP_NAME) |
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| 123 | logging.error(traceback.format_exc()) |
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[f76bf17] | 124 | |
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| 125 | # P(r) perspective |
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| 126 | try: |
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[415fb82] | 127 | import sas.perspectives.pr as module |
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[f76bf17] | 128 | pr_plug = module.Plugin(standalone=False) |
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| 129 | self.gui.add_perspective(pr_plug) |
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| 130 | except: |
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| 131 | logging.error("%s: could not find P(r) plug-in module"% APP_NAME) |
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[4e080980] | 132 | logging.error(traceback.format_exc()) |
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| 133 | |
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[f76bf17] | 134 | #Invariant perspective |
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| 135 | try: |
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[415fb82] | 136 | import sas.perspectives.invariant as module |
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[f76bf17] | 137 | invariant_plug = module.Plugin(standalone=False) |
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| 138 | self.gui.add_perspective(invariant_plug) |
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| 139 | except: |
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| 140 | logging.error("%s: could not find Invariant plug-in module"% \ |
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| 141 | APP_NAME) |
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[4e080980] | 142 | logging.error(traceback.format_exc()) |
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| 143 | |
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[f76bf17] | 144 | #Calculator perspective |
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| 145 | try: |
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[415fb82] | 146 | import sas.perspectives.calculator as module |
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[f76bf17] | 147 | calculator_plug = module.Plugin(standalone=False) |
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| 148 | self.gui.add_perspective(calculator_plug) |
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| 149 | except: |
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| 150 | logging.error("%s: could not find Calculator plug-in module"% \ |
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| 151 | APP_NAME) |
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[4e080980] | 152 | logging.error(traceback.format_exc()) |
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| 153 | |
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[415fb82] | 154 | |
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[f76bf17] | 155 | # Add welcome page |
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| 156 | self.gui.set_welcome_panel(WelcomePanel) |
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[415fb82] | 157 | |
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[f76bf17] | 158 | # Build the GUI |
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| 159 | self.gui.build_gui() |
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[415fb82] | 160 | # delete unused model folder |
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[f76bf17] | 161 | self.gui.clean_plugin_models(PLUGIN_MODEL_DIR) |
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| 162 | # Start the main loop |
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| 163 | self.gui.MainLoop() |
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| 164 | |
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| 165 | |
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| 166 | def run(): |
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[415fb82] | 167 | """ |
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| 168 | __main__ method for loading and running SasView |
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| 169 | """ |
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[f76bf17] | 170 | from multiprocessing import freeze_support |
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| 171 | freeze_support() |
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| 172 | if len(sys.argv) > 1: |
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| 173 | ## Run sasview as an interactive python interpreter |
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| 174 | #if sys.argv[1] == "-i": |
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| 175 | # sys.argv = ["ipython", "--pylab"] |
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| 176 | # from IPython import start_ipython |
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| 177 | # sys.exit(start_ipython()) |
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| 178 | thing_to_run = sys.argv[1] |
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| 179 | sys.argv = sys.argv[1:] |
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| 180 | import runpy |
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| 181 | if os.path.exists(thing_to_run): |
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| 182 | runpy.run_path(thing_to_run, run_name="__main__") |
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| 183 | else: |
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| 184 | runpy.run_module(thing_to_run, run_name="__main__") |
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| 185 | else: |
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| 186 | SasView() |
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| 187 | |
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| 188 | if __name__ == "__main__": |
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| 189 | run() |
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| 190 | |
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