maptiler.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# TODO: Cleaning the code, refactoring before 1.0 publishing

import os, sys

# Where is the executable file on the disk?
exepath = os.getcwd()
if hasattr(sys, "frozen") or sys.executable.find('MapTiler.app') != -1:
    exepath = os.path.dirname(sys.executable)

# Windows: set the GDAL and PROJ variables ..
if sys.platform in ['win32','win64'] and not os.environ.has_key('GDAL_DATA'):
    # .. to the local directory in the py2exe distribution
    if os.path.exists(os.path.join( exepath, "gdal" )):
        os.environ['PROJ_LIB'] = os.path.join( exepath, "proj" )
        os.environ['GDAL_DATA'] = os.path.join( exepath, "gdal" )
        os.environ['GDAL_DRIVER_PATH'] = os.path.join( exepath, "gdalplugins" )
    # .. to the OSGeo4W default directories
    elif os.path.exists('C:\\OSGeo4W\\apps\\gdal-16'):
        sys.path.insert(0, 'C:\\OSGeo4W\\apps\\gdal-16\\pymod' )
        os.environ['PATH'] += ';C:\\OSGeo4W\\bin'
        os.environ['PROJ_LIB'] = 'C:\\OSGeo4W\\share\\proj'
        os.environ['GDAL_DATA'] = 'C:\\OSGeo4W\\apps\\gdal-16\\share\\gdal'
        os.environ['GDAL_DRIVER_PATH'] = 'C:\\OSGeo4W\\apps\\gdal-16\\bin\\gdalplugins'
    # otherwise we need to use existing system setup

# Mac: GDAL.framework is in the application bundle or in the /Library/Frameworks
if sys.platform == 'darwin' and not os.environ.has_key('GDAL_DATA'):
    frameworkpath = exepath[:(exepath.find('MapTiler.app')+12)]+'/Contents/Frameworks'
    if not os.path.exists( os.path.join(frameworkpath, "GDAL.framework" )):
        frameworkpath = "/Library/Frameworks"
    os.environ['PROJ_LIB'] = os.path.join( frameworkpath, "PROJ.framework/Resources/proj/" )
    os.environ['GDAL_DATA'] = os.path.join( frameworkpath, "GDAL.framework/Resources/gdal/" )
    os.environ['GDAL_DRIVER_PATH'] = os.path.join( frameworkpath, "GDAL.framework/PlugIns/" )
    sys.path.insert(0, os.path.join( frameworkpath, "GDAL.framework/Versions/Current/Python/site-packages/" ))
    sys.path.insert(0, "/System/Library/Frameworks/Python.framework/Versions/Current/Extras/lib/python/")

# Other systems need correctly installed GDAL libraries

import wx
import maptiler
__version__ = maptiler.version

class MapTilerApp(wx.App):
    
    def OnInit(self):
        wx.InitAllImageHandlers()
        self.main_frame = maptiler.MainFrame(None, -1, "")
        self.SetTopWindow(self.main_frame)
        self.SetAppName("MapTiler")
        return True
        
    def MacOpenFile(self, filename):
        self.main_frame._add(filename)
        
    def Show(self):
        self.main_frame.Show()

if __name__ == "__main__":
    
    # TODO: GetText
    #import gettext
    #gettext.install("maptiler")
    _ = lambda s: s

    # TODO: Parse command line arguments:
    # for both batch processing and initialization of the GUI

    #wx.SystemOptions.SetOptionInt("mac.listctrl.always_use_generic",0)
    app = MapTilerApp(False)

    #spath = wx.StandardPaths.Get()
    #print spath.GetExecutablePath()
    
    try:
        from osgeo import gdal
    except ImportError:
        # TODO: Platform specific error messages - are part of the GUI...
        if sys.platform == 'darwin':
            wx.MessageBox(_("""GDAL 1.6 framework is not found in your system!\n
Please install GDAL framework from the website:
http://www.kyngchaos.com/software:frameworks"""), _("Error: GDAL Framework not found!"), wx.ICON_ERROR)
            import webbrowser
            webbrowser.open_new("http://www.kyngchaos.com/software:frameworks#gdal")
            sys.exit(1)
        elif sys.platform in ['win32','win64']:
            wx.MessageBox(_("""GDAL 1.6 library is not found in your system!\n
If you used the installer then please report this problem as an issue at:
http://code.google.com/p/maptiler/issues"""), _("Error: GDAL library not found!"), wx.ICON_ERROR)
            sys.exit(1)
        elif sys.platform.startswith('linux'):
            wx.MessageBox(_("""GDAL 1.6 library is not found in your system!\n
Please install it as a package in your distribution or from the source code:
http://trac.osgeo.org/gdal/wiki/BuildHints"""), _("Error: GDAL library not found!"), wx.ICON_ERROR)
            sys.exit(1)
        print _("GDAL library not available - please install GDAL and it's python module!")

    app.Show()
    wx.MessageBox(_("""This is a development version of MapTiler application.
It has known bugs and limits.\n
It is not for production use but for testing and preview!"""), _("MapTiler Alpha version (%s)") % __version__, wx.OK | wx.ICON_INFORMATION)
    app.MainLoop()