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From David Fraser <dav...@sjsoft.com>
Subject Re: [mod_python] New Windows installer
Date Tue, 27 Apr 2004 05:55:07 GMT
Hi

I have made a new windows installer which fixes a bug with 
HKEY_CURRENT_USER-type Apache installations (see below from mod_python list)
I have also included the fix for attachment types.

The installer is at 
http://davidf.sjsoft.com/files/mod_python-3.1.3-1.win32-py2.3.exe
Grisha says if we can get 3 +1s we can release this version so please 
test and give feedback

Thanks
David

David Fraser wrote:

> Hi
>
> Thanks for posting this, I created the Windows installer script and 
> one of my colleagues noticed this too, so we prepared a modified version.
> I have attached the modified win32_postinstall.py script ; and I have 
> a rebuilt installer at 
> http://davidf.sjsoft.com/files/mod_python-3.1.3-1.win32-py2.3.exe
> This also contains a fix for the attachment filetype problem.
> Please test and let me know if this fixes your problem
>
> David
>
> PS Grisha, is there time now to start getting this stuff into CVS, as 
> it would be better management-wise? :-)
>
> Eddie Diener wrote:
>
>> Mod_python's postinstall script assumes that the Apache key in the 
>> Windows registry is in HKLM. However if one installs Apache Web 
>> Server on Windows and chooses to install for the current user in 
>> order to start Apache manually from the Console Window, the entry is 
>> under HKCU. Because of this an exception is thrown in the script when 
>> attempting to open HKLM/Apache Group/Apache and the postinstall 
>> script never finishes.
>>
>> Here is the exception trace:
>>
>> Traceback (most recent call last):
>> File "H:\UTILIT~1\Python23\Scripts\win32_postinstall.py", line 86, in ?
>> apachediroptions = getApacheDirOptions()
>> File "H:\UTILIT~1\Python23\Scripts\win32_postinstall.py", line 45, in
>> getApacheDirOptions
>> apachekey = regkey(win32con.HKEY_LOCAL_MACHINE, 
>> "Software").childkey("Apache
>> Group").childkey("Apache")
>> File "H:\UTILIT~1\Python23\Scripts\win32_postinstall.py", line 34, in
>> childkey
>> return regkey(self.key, subkeyname)
>> File "H:\UTILIT~1\Python23\Scripts\win32_postinstall.py", line 32, in
>> __init__
>> self.key = win32api.RegOpenKey(parent, subkeyname)
>> pywintypes.error: (2, 'RegOpenKeyEx', 'The system cannot find the file
>> specified.')
>> Exception exceptions.AttributeError: "regkey instance has no attribute
>> 'key'" in <bound method regkey.__del__ of <__main__.regkey instance at
>> 0x011C8468>> ignored
>> *** run_installscript: internal error 0xFFFFFFFF ***
>> A workaround is to temporarily duplicate the Apache registry keys 
>> from HKCU to HKLM and add the ServerRoot key value, poinitng it to 
>> the root directory where Apache is installed. The installing 
>> mod_python works OK.
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> Mod_python mailing list
>> Mod_python@modpython.org
>> http://mailman.modpython.org/mailman/listinfo/mod_python
>>  
>>
>
>------------------------------------------------------------------------
>
> # Copyright 2004 Apache Software Foundation
> #
> #  Licensed under the Apache License, Version 2.0 (the "License");
> #  you may not use this file except in compliance with the License.
> #  You may obtain a copy of the License at
> #
> #      http://www.apache.org/licenses/LICENSE-2.0
> #
> #  Unless required by applicable law or agreed to in writing, software
> #  distributed under the License is distributed on an "AS IS" BASIS,
> #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
> #  See the License for the specific language governing permissions and
> #  limitations under the License.
> #
> # Originally developed by Gregory Trubetskoy.
> #
> # $Id: win32_postinstall.py,v 1.5 2004/02/16 19:47:27 grisha Exp $
> #
> # this script runs at the end of windows install
>
>
>import sys, os, shutil
>import distutils.sysconfig
>
>def getApacheDirOptions():
>    """find potential apache directories in the registry..."""
>    try:
>        import win32api, win32con
>        class nullregkey:
>            """a registry key that doesn't exist..."""
>            def childkey(self, subkeyname):
>                return nullregkey()
>            def subkeynames(self):
>                return []
>            def getvalue(self, valuename):
>                raise AttributeError("Cannot access registry value %r: key does not exist"
% (valuename))
>        class regkey:
>            """simple wrapper for registry functions that closes keys nicely..."""
>            def __init__(self, parent, subkeyname):
>               self.key = win32api.RegOpenKey(parent, subkeyname)
>            def childkey(self, subkeyname):
>               try:
>                   return regkey(self.key, subkeyname)
>               except win32api.error:
>                   return nullregkey()
>            def subkeynames(self):
>               numsubkeys = win32api.RegQueryInfoKey(self.key)[0]
>               return [win32api.RegEnumKey(self.key, index) for index in range(numsubkeys)]
>            def getvalue(self, valuename):
>               try:
>                   return win32api.RegQueryValueEx(self.key, valuename)
>               except win32api.error:
>                   raise AttributeError("Cannot access registry value %r" % (valuename))
>            def __del__(self):
>               if hasattr(self, "key"):
>                   win32api.RegCloseKey(self.key)
>    except ImportError:
>        return {}
>    versions = {}
>    hklm_key = regkey(win32con.HKEY_LOCAL_MACHINE, "Software").childkey("Apache Group").childkey("Apache")
>    hkcu_key = regkey(win32con.HKEY_CURRENT_USER, "Software").childkey("Apache Group").childkey("Apache")
>    for apachekey in (hklm_key, hkcu_key):
>        for versionname in apachekey.subkeynames():
>            try:
>                serverroot = apachekey.childkey(versionname).getvalue("ServerRoot")
>            except AttributeError:
>                continue
>            versions[versionname] = serverroot[0]
>    return versions
>
>def askForApacheDir(apachediroptions):
>    # try to ask for Apache directory
>    if len(apachediroptions) > 0:
>        # get the most recent version...
>        versionnames = apachediroptions.keys()
>        versionnames.sort()
>        initialdir = apachediroptions[versionnames[-1]]
>    else:
>        initialdir="C:/Program Files/Apache Group/Apache2"
>    # TODO: let the user select the name from a list, or click browse to choose...
>    try:
>        from tkFileDialog import askdirectory
>        from Tkinter import Tk
>        root = Tk()
>        root.withdraw()
>        path = askdirectory(title="Where is Apache installed?",
>                            initialdir=initialdir,
>                            mustexist=1, master=root)
>        root.quit()
>        root.destroy()
>        return path
>    except ImportError:
>        try:
>            from win32com.shell import shell
>            pidl, displayname, imagelist = shell.SHBrowseForFolder(0, None, "Where is
Apache installed?")
>            path = shell.SHGetPathFromIDList(pidl)
>            return path
>        except ImportError:
>            return ""
>
># if we're called during removal, just exit
>if len(sys.argv) == 0 or (len(sys.argv) > 1 and sys.argv[1] != "-remove"):
>
>    mp = os.path.join(distutils.sysconfig.get_python_lib(), "mod_python_so.pyd")
>
>    apachediroptions = getApacheDirOptions()
>
>    apachedir = askForApacheDir(apachediroptions)
>
>    if apachedir:
>
>        # put mod_python.so there
>        shutil.copy2(mp, os.path.join(apachedir, "modules", "mod_python.so"))
>        os.remove(mp)
>
>        print """Important Note for Windows users, PLEASE READ!!!
>
>        1. This script does not attempt to modify Apache configuration,
>           you must do it manually:
>
>           Edit %s,
>           find where other LoadModule lines are and add this:
>                LoadModule python_module modules/mod_python.so
>
>        2. Now test your installation using the instructions at this link:
>           http://www.modpython.org/live/current/doc-html/inst-testing.html
>
>        """ % os.path.join(apachedir, "conf", "httpd.conf")
>
>    else:
>
>        print """Important Note for Windows users, PLEASE READ!!!
>
>        1. It appears that you do not have Tkinter installed,
>           which is required for a part of this installation.
>           Therefore you must manually take
>           "%s"
>           and copy it to your Apache modules directory.
>
>        2. This script does not attempt to modify Apache configuration,
>           you must do it manually:
>
>           Edit %s,
>           find where other LoadModule lines and add this:
>                LoadModule python_module modules/mod_python.so
>
>        3. Now test your installation using the instructions at this link:
>           http://www.modpython.org/live/current/doc-html/inst-testing.html
>
>        """ % (mp, os.path.join(apachedir, "conf", "httpd.conf"))
>  
>
>------------------------------------------------------------------------
>
>_______________________________________________
>Mod_python mailing list
>Mod_python@modpython.org
>http://mailman.modpython.org/mailman/listinfo/mod_python
>  
>


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