Thuban/UI/main.py

#! /usr/bin/python
# Copyright (C) 2001, 2002 by Intevation GmbH
# Authors:
# Jan-Oliver Wagner <[email protected]>
# Bernhard Herzog <[email protected]>
#
# This program is free software under the GPL (>=v2)
# Read the file COPYING coming with Thuban for details.

"""
The main entry point for the Thuban GUI. 
"""

__version__ = "$Revision$"

import sys

from application import ThubanApplication

from wxPython.wx import wxMAJOR_VERSION, wxMINOR_VERSION, wxRELEASE_NUMBER,\
                        wxPlatform
import wxproj


def main():
    """Instantiate the application object and run the application"""

    if verify_versions():
        app = ThubanApplication(0)
        if len(sys.argv) > 1:
            app.OpenSession(sys.argv[1])
        app.top.ShowSessionTree()
        app.MainLoop()


def wxCHECK_VERSION(major,minor,release): \
    return (wxMAJOR_VERSION > (major) or \
        (wxMAJOR_VERSION == (major) \
            and wxMINOR_VERSION > (minor)) or \
        (wxMAJOR_VERSION == (major) \
            and wxMINOR_VERSION == (minor) \
            and wxRELEASE_NUMBER >= (release)))

def verify_versions():
    """Check some library versions.

    Print a message containing any libraries which are wrong.
    Return True if everything is OK, otherwise False.

    Specifically, check the following libraries:

        wxPython >= v2.4.0
        Python >= v2.2.1
        proj >= v4.4.5
        gtk > v1.2.0
    """
    
    errors = []

    if not wxCHECK_VERSION(2, 4, 0):
        errors.append("wxPython < 2.4.0")

    if sys.hexversion < 0x0202010f:
        errors.append("Python < 2.2.1")

    #
    # This only tells someone that they COMPILED thuban with the wrong
    # version of proj. If they are running prebuilt binaries 
    # check_version should always return true.
    #
    if not wxproj.check_version(4, 4, 5):
        errors.append("proj < 4.4.5")

    if wxPlatform == "__WXGTK__":
        if not wxproj.check_version_gtk(1, 2, 0):
            errors.append("gtk < 1.2")

    if len(errors) > 0:
        msg = " The following version errors were detected:"

        for e in errors:
            msg += "\n     " + e

#       if use_msg_box:
#           # XXX: use a message box to display the errors
#           pass

        print "\n*******************************************************"
        print msg
        print "*******************************************************\n"

        return False

    return True
1	#! /usr/bin/python
2	# Copyright (C) 2001, 2002 by Intevation GmbH
3	# Authors:
4	# Jan-Oliver Wagner <[email protected]>
5	# Bernhard Herzog <[email protected]>
6	#
7	# This program is free software under the GPL (>=v2)
8	# Read the file COPYING coming with Thuban for details.
9
10	"""
11	The main entry point for the Thuban GUI.
12	"""
13
14	__version__ = "$Revision$"
15
16	import sys
17
18	from application import ThubanApplication
19
20	from wxPython.wx import wxMAJOR_VERSION, wxMINOR_VERSION, wxRELEASE_NUMBER,\
21	wxPlatform
22	import wxproj
23
24
25	def main():
26	"""Instantiate the application object and run the application"""
27
28	if verify_versions():
29	app = ThubanApplication(0)
30	if len(sys.argv) > 1:
31	app.OpenSession(sys.argv[1])
32	app.top.ShowSessionTree()
33	app.MainLoop()
34
35
36	def wxCHECK_VERSION(major,minor,release): \
37	return (wxMAJOR_VERSION > (major) or \
38	(wxMAJOR_VERSION == (major) \
39	and wxMINOR_VERSION > (minor)) or \
40	(wxMAJOR_VERSION == (major) \
41	and wxMINOR_VERSION == (minor) \
42	and wxRELEASE_NUMBER >= (release)))
43
44	def verify_versions():
45	"""Check some library versions.
46
47	Print a message containing any libraries which are wrong.
48	Return True if everything is OK, otherwise False.
49
50	Specifically, check the following libraries:
51
52	wxPython >= v2.4.0
53	Python >= v2.2.1
54	proj >= v4.4.5
55	gtk > v1.2.0
56	"""
57
58	errors = []
59
60	if not wxCHECK_VERSION(2, 4, 0):
61	errors.append("wxPython < 2.4.0")
62
63	if sys.hexversion < 0x0202010f:
64	errors.append("Python < 2.2.1")
65
66	#
67	# This only tells someone that they COMPILED thuban with the wrong
68	# version of proj. If they are running prebuilt binaries
69	# check_version should always return true.
70	#
71	if not wxproj.check_version(4, 4, 5):
72	errors.append("proj < 4.4.5")
73
74	if wxPlatform == "__WXGTK__":
75	if not wxproj.check_version_gtk(1, 2, 0):
76	errors.append("gtk < 1.2")
77
78	if len(errors) > 0:
79	msg = " The following version errors were detected:"
80
81	for e in errors:
82	msg += "\n " + e
83
84	# if use_msg_box:
85	# # XXX: use a message box to display the errors
86	# pass
87
88	print "\n*******************************************************"
89	print msg
90	print "*******************************************************\n"
91
92	return False
93
94	return True
Name	Value
svn:eol-style	native
svn:keywords	Author Date Id Revision