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.top.ShowLegend()
        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.top.ShowLegend()
34	app.MainLoop()
35
36
37	def wxCHECK_VERSION(major,minor,release): \
38	return (wxMAJOR_VERSION > (major) or \
39	(wxMAJOR_VERSION == (major) \
40	and wxMINOR_VERSION > (minor)) or \
41	(wxMAJOR_VERSION == (major) \
42	and wxMINOR_VERSION == (minor) \
43	and wxRELEASE_NUMBER >= (release)))
44
45	def verify_versions():
46	"""Check some library versions.
47
48	Print a message containing any libraries which are wrong.
49	Return True if everything is OK, otherwise False.
50
51	Specifically, check the following libraries:
52
53	wxPython >= v2.4.0
54	Python >= v2.2.1
55	proj >= v4.4.5
56	gtk > v1.2.0
57	"""
58
59	errors = []
60
61	if not wxCHECK_VERSION(2, 4, 0):
62	errors.append("wxPython < 2.4.0")
63
64	if sys.hexversion < 0x0202010f:
65	errors.append("Python < 2.2.1")
66
67	#
68	# This only tells someone that they COMPILED thuban with the wrong
69	# version of proj. If they are running prebuilt binaries
70	# check_version should always return true.
71	#
72	if not wxproj.check_version(4, 4, 5):
73	errors.append("proj < 4.4.5")
74
75	if wxPlatform == "__WXGTK__":
76	if not wxproj.check_version_gtk(1, 2, 0):
77	errors.append("gtk < 1.2")
78
79	if len(errors) > 0:
80	msg = " The following version errors were detected:"
81
82	for e in errors:
83	msg += "\n " + e
84
85	# if use_msg_box:
86	# # XXX: use a message box to display the errors
87	# pass
88
89	print "\n*******************************************************"
90	print msg
91	print "*******************************************************\n"
92
93	return False
94
95	return True
Name	Value
svn:eol-style	native
svn:keywords	Author Date Id Revision