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#----------------------------------------------------------------------
# Name: __init__.py
# Purpose: Import logic and common functions for wxaddons module
#
# Author: Kevin Ollivier
#
# Created: 15-Nov-2006
# RCS-ID: $Id: __init__.py 43666 2006-11-26 23:50:19Z KO $
# Copyright: (c) 2006 Kevin Ollivier
# Licence: wxWindows license
#----------------------------------------------------------------------
import sys, os, string
import xmlrpclib
import __builtin__
import wx
# NB: For some reason that I haven't been able to track down, on Mac (at least)
# calling xmlrpc methods no longer works after the wx.App is started. Therefore,
# we grab the package URL even before prompting the user if they want to install
# the package in order for us to have the info we need before the wx.App is started.
domain = 'http://wxaddons.wxcommunity.com'
builtin_import = __builtin__.__import__
debug = False
use_gui = True
checkImports = True
config = wx.Config("wxaddons")
if config.Read("PerformChecks", "true") != "true":
checkImports = False
if use_gui and not wx.App.IsDisplayAvailable():
use_gui = False
s = xmlrpclib.Server('%s/xmlrpc-server.php' % domain, verbose=(debug == True))
def check_imports(check):
if check:
config.Write("PerformChecks", "true")
else:
config.Write("PerformChecks", "false")
def version_greater_than_or_equal(version1, version2):
"""
Checks if version1 >= version2, returning true if so,
false if otherwise.
"""
greater_than = True
for index in range(0, len(version1)-1):
if version1[index] > version2[index]:
greater_than = True
break
elif version[index] < current_version[index]:
greater_than = False
break
return greater_than
def prompt_install(name, version):
should_install = False
message = "The wxaddon %s is not installed, but was found on the wxaddons site. Would you like to download and install it?" % (name + " " + version)
if use_gui:
app = wx.PySimpleApp()
app.MainLoop()
result = wx.MessageBox(message, "Install Dependency?", style=wx.YES_NO)
if result == wx.YES:
should_install = True
else:
result = raw_input(message + " [y/n]")
if result[0].lower() == "y":
should_install = True
return should_install
def require_addon_version(name, version=[], canBeNewer=True):
# Check the install receipt to see if we've got an appropriate version
config = wx.Config("wxaddons-receipts")
needs_update = True
if config.HasGroup(name):
config.SetPath(name)
current_version = config.Read("version", "0.0").split(".")
needs_update = version_greater_than_or_equal(version, current_version)
if needs_update:
comp_xml = s.getComponent(name)
if not comp_xml:
raise
comp = xmlrpclib.loads(comp_xml)[0][0]
comp_version = comp["version"].split(".")
update_comp = False
if canBeNewer:
update_comp = version_greater_than_or_equal(comp_version, version)
else:
update_comp = (version == comp_version)
if update_comp:
url = get_url(name, version)
should_install = prompt_install(name, comp_version)
if should_install:
dl_and_install_addon(name, comp_version, url)
def get_url(name, version):
url = ""
release_xml = s.getReleases(name)
if not release_xml:
return ""
releases = xmlrpclib.loads(release_xml)[0][0]
for release in releases:
if release['version'] == version:
url = release['url']
return url
def dl_and_install_addon(name, version, url):
installed = True
tempdir = None
cwd = os.getcwd()
if use_gui:
progress = wx.ProgressDialog("Installing Dependency",
"Preparing to install the %s addon module." % name,
4,
style=wx.PD_APP_MODAL|wx.PD_SMOOTH)
message = "Downloading tarball..."
print message
if use_gui: progress.Update(1, message)
import urllib
temp_archive, headers = urllib.urlretrieve(url)
message = "Extracting files..."
print message
if use_gui: progress.Update(2, message)
import tempfile
tempdir = tempfile.mkdtemp()
os.chdir(tempdir)
import tarfile
tar = tarfile.open(temp_archive, "r:gz")
for tarinfo in tar:
tar.extract(tarinfo)
tar.close()
os.chdir(name)
message = "Installing %s" % name
if use_gui: progress.Update(3, message)
# TODO: Add support for modified PYTHONPATH?
# Also, do we need admin install support here?
retval = os.system(sys.executable + " " + string.join(("setup.py", "install"), " "))
if use_gui: progress.Update(4)
if retval == 0:
message = "The %s addon was successfully installed." % name
print message
if use_gui:
wx.MessageBox(message, "Installation Successful")
else:
installed = False
# cleanup
if use_gui: progress.Destroy()
os.chdir(cwd)
import shutil
shutil.rmtree(tempdir)
os.remove(temp_archive)
return installed
def import_hook(name, globals=None, locals=None, fromlist=None):
# Fast path: see if the module has already been imported.
try:
return builtin_import(name, globals, locals, fromlist)
except:
if name.startswith("wxaddons"):
print "Querying %s for module." % domain
try:
modname = name.split(".")[1]
comp = None
comp_xml = s.getComponent(modname)
if not comp_xml:
raise
comp = xmlrpclib.loads(comp_xml)[0][0]
url = get_url(comp["name"], comp["version"])
should_install = prompt_install(comp["name"], comp["version"])
if should_install:
try:
success = dl_and_install_addon(comp["name"], comp["version"], url)
if not success:
raise
except:
raise
except:
raise
else:
raise
def runTests():
import wxaddons.persistence
import wxaddons.foo_bar
import googly
if checkImports:
__builtin__.__import__ = import_hook
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