pyfpdb/fpdb_prerun.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 #    Copyright 2011, Gimick (bbtgaf@googlemail.com)
   5 #This program is free software: you can redistribute it and/or modify
   6 #it under the terms of the GNU Affero General Public License as published by
   7 #the Free Software Foundation, version 3 of the License.
   8 #
   9 #This program is distributed in the hope that it will be useful,
  10 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12 #GNU General Public License for more details.
  13 #
  14 #You should have received a copy of the GNU Affero General Public License
  15 #along with this program. If not, see <http://www.gnu.org/licenses/>.
  16 #In the "official" distribution you can find the license in agpl-3.0.txt.
  17
  18 ########################################################################
  19
  20 failure_list = []
  21 success_list = []
  22 verbose = False
  23
  24 global_modules_to_test =   ["gobject",
  25                             "pygtk",
  26                             "gtk",
  27                             "pango",
  28                             "cairo",
  29                             "matplotlib",
  30                             "numpy",
  31                             "pylab",
  32                             "sqlite3"]
  33
  34 windows_modules_to_test =  ["win32gui",
  35                             "win32api",
  36                             "win32con",
  37                             "win32process",
  38                             "win32event",
  39                             "win32console",
  40                             "winpaths"]
  41
  42 linux_modules_to_test = []
  43 mac_modules_to_test = []
  44 posix_modules_to_test = []
  45
  46 def win_output(message):
  47
  48     win = Tk()
  49     win.title("FPDB")
  50     win.geometry("600x400")
  51     listbox  = Listbox(win)
  52     for item in message:
  53         listbox.insert(END,item)
  54     listbox.pack(fill=BOTH, expand=YES)
  55     win.mainloop()
  56
  57 def try_import(modulename):
  58
  59     try:
  60         module = __import__(modulename)
  61         success(module)
  62     except:
  63         failure( _('File not found')+ ": " +modulename)
  64         if modulename in ["cairo", "gobject", "pygtk"]:
  65             failure(_("Unable to load PyGTK modules required for GUI. Please install PyCairo, PyGObject, and PyGTK from www.pygtk.org."))
  66         if modulename in ["win32console"]:
  67             failure (_("We appear to be running in Windows, but the Windows Python Extensions are not loading. Please install the PYWIN32 package from http://sourceforge.net/projects/pywin32/"))
  68         return False
  69
  70     if modulename == "pygtk":
  71         try:
  72             module.require('2.0')
  73             success("pygtk 2.0")
  74             return True
  75         except:
  76             failure("pygtk 2.0 " + _('File not found'))
  77             return False
  78
  79     if modulename == "matplotlib":
  80         try:
  81             module.use('GTK')
  82             success("matplotlib/gtk")
  83             return False
  84         except:
  85             failure("matplotlib/gtk")
  86             return False
  87
  88     return True
  89
  90 def success(message):
  91     if verbose:
  92         print message
  93     success_list.append(message)
  94
  95 def failure(message):
  96     if verbose:
  97         print _("Error:"), message
  98     failure_list.append(message)
  99
 100 #=====================================================================
 101
 102 #
 103 # check for gross failures first, no translation on the first
 104 #  two messages because L10n not guaranteed to be available
 105 #
 106
 107 from Tkinter import *
 108
 109 try:
 110     try_import("sys")
 111 except:
 112     failure("python failure - could not import sys module")
 113     win_output(failure_list)
 114     sys.exit(1)
 115
 116 try:
 117     try_import("Charset")
 118 except:
 119     failure("fpdb must be installed in an English path")
 120     win_output(failure_list)
 121     sys.exit(1)
 122
 123 import sys
 124 try:
 125     if sys.argv[1] == "-v":
 126         verbose = True
 127 except:
 128     pass
 129
 130 import L10n
 131 _ = L10n.get_translation()
 132 import Configuration
 133 config = Configuration.Config()
 134
 135 if config.python_version not in("2.6", "2.7"):
 136     failure(_("\npython 2.6-2.7 not found, please install python 2.6 or 2.7 for fpdb\n"))
 137
 138 #
 139 # next, check for individual modules existing
 140 #
 141
 142 for i in global_modules_to_test:
 143     try_import(i)
 144 if config.os_family in ("XP", "Win7"):
 145     for i in windows_modules_to_test:
 146         try_import(i)
 147 elif config.os_family == "Linux":
 148     for i in linux_modules_to_test:
 149         try_import(i)
 150 elif config.os_family == "Mac":
 151     for i in mac_modules_to_test:
 152         try_import(i)
 153 if config.posix:
 154     for i in posix_modules_to_test:
 155         try_import(i)
 156
 157 #
 158 # finished, work out how to exit
 159 #
 160
 161 if len(failure_list):
 162     win_output(failure_list)
 163
 164 if config.install_method == "exe":
 165     if len(failure_list):
 166         sys.exit(1)
 167     else:
 168         sys.exit(0)
 169
 170 if len(failure_list):
 171     if config.os_family in ("XP", "Win7"):
 172         sys.exit(1)
 173     else:
 174         sys.exit(failure_list)
 175
 176 import os
 177 os.chdir(os.path.join(config.fpdb_program_path, u"pyfpdb"))
 178
 179 if config.os_family in ("XP", "Win7"):
 180     os.execvpe('pythonw.exe', list(('pythonw.exe', 'fpdb.pyw', '-r'))+sys.argv[1:], os.environ)
 181 else:
 182     os.execvpe('python', list(('python', 'fpdb.pyw', '-r'))+sys.argv[1:], os.environ)
 183
 184 ###################
 185 # DO NOT INSERT ANY LINES BELOW HERE
 186 # os.execvpe above stops transfers control to fpdb.pyw immediately