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RE: [Zope] How to get Client IP adres with Zope behind Apachr
by Jean-Francois.Doyon＠CCRS.NRCan.gc.ca 10 Sep '04

10 Sep '04

You want: HTTP_X_FORWARDED_FOR (At least that's what it is with Apache 1.3.x) J.F. -----Original Message----- From: zope-bounces(a)zope.org [mailto:zope-bounces@zope.org]On Behalf Of Martin Koekenberg Sent: September 9, 2004 5:40 PM To: zope(a)zope.org Subject: [Zope] How to get Client IP adres with Zope behind Apachr Hello, I'm running Zope (2.7.0) behind Apache (2.0.50). I'm trying to get the client ip adres but I always get 127.0.0.1.... That's logical because Apache runs on the same server. How can I get the real users IP adres ? Thanks for your help...... Martin Koekenberg

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possible bug when creating the request environment (headers)
by Sascha Ottolski 10 Sep '04

10 Sep '04

Hi, I stumbled over something in conjunction with pound. pound adds an X-Forwarded-For header to each request. However, from inside zope, this additional header might be invisible. I guess the problem occurs, if there already was a X-Forwarded-For header in the request: pound writes a new, second one. And it seems, that the REQUEST has only one of the two headers (so that REQUEST.get('HTTP_X_FORWARDED_FOR') is missing the value pound added). I already sent this to the pound list, and was told that having multiple headers with the same value is allowed, which seems to be correct according to RFC2616 (HTTP 1.1): "Multiple message-header fields with the same field-name MAY be present in a message if and only if the entire field-value for that header field is defined as a comma-separated list [i.e., #(values)]. It MUST be possible to combine the multiple header fields into one "field-name: field-value" pair, without changing the semantics of the message, by appending each subsequent field-value to the first, each separated by a comma. The order in which header fields with the same field-name are received is therefore significant to the interpretation of the combined field value, and thus a proxy MUST NOT change the order of these field values when a message is forwarded." That said, in case of ... X-Forwarded-for: client1, proxy1 ... X-Forwarded-for: proxy2 <-- added by Pound ... zope should create something like this: ... X-Forwarded-for: client1, proxy1, proxy2 ... not only for x-forwareded-for, but for any header around, I guess. I doubt that it would be difficult to fix. Unfortunately, I couldn't find the place where a generic header processing takes place do try myself :-( Cheers, Sascha

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BitTorrent tracker?
by Richard Jones 10 Sep '04

10 Sep '04

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Has anyone done any work setting up a BitTorrent tracker using Zope? Richard -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQFBQTYSrGisBEHG6TARAudgAJ0ZSsm2Bmfk1xvQStMktDdzeNHqSACfWMji MXe85gWFKiz9enlxd7/EupE= =sHvS -----END PGP SIGNATURE-----

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Zope4Intranets problems
by scott lewis 10 Sep '04

10 Sep '04

I recently purchased the binary version of Zope4Intranets (Z4I) from Zope Corporation. The software was supplied without a user manual. I asked for a user manual and was supplied with one. The title page identified it as being for Zope4Intranets binary. However, all of the contents related to the full source code version of Zope4Intranets. For example, only Unix systems are detailed, while the binary version is only available for Windows. Significant portions appear to be missing. For example, under Section 2: Setup and Installation there are three topics listed - Deploy Zope, Configure Zope4Intranets and Build and run a Zope4Intranets server. In my manual, only the first section, deploy Zope, is included and all the instructions are for Unix systems. The instructions provided are inadequate for me to utilize this software. I am based in Australia, and my company has paid over $US3000 for this product. Zope Corp. has now offered me a choice: they will send me the manual for the full source code edition of Zope4Intranets (which is no doubt for Unix) or they will refund the purchase price. I have no idea what to do. To some extent, my job is at stake on this project. I am an experienced Python programmer, but have only built very simple Zope sites. Does anyone have any help or advice on Zope4Intranets, or can anyone offer me any insight into the contents of the full manual? I need only the first few steps, but Zope Corp. seems reluctant or unable to supply these. Many thanks for any help or suggestions. I have been very surprised to be so shabbily treated by Zope Corp. regards, Scott Lewis -- Scott Lewis Business Systems Analyst e: scottl(a)palamedia.com.au p: 61 3 9856 3905 f: 61 3 9856 3999 w: www.abix.com.au smartBIX: www.smartbix.com.au ABIX - tools for the information economy ABIX is operated by Business Intelligence International Pty Ltd and is wholly-owned by Palamedia Ltd. [The contents of this email are confidential and not intended for publication.]

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Management View
by Edward Hartfield 09 Sep '04

09 Sep '04

I'm writing my first Zope product. It's a folder-like object. I'm implementing before_publish_traverse() so that I can do authentication (but not using Zope's security model). Authentication logic is different depending on whether or not the managment view of the resource is being sought. Does anyone know if there is a way to tell programmatically whether the management view of a resource is being requested, other than looking for 'manage_workspace' as the last element in the path?

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Py_BuildValue Error
by Travis Miller 09 Sep '04

09 Sep '04

hi, i've started coming across this error fairly frequently. it seems very random and i can't seem to pin it down. 2004-09-08T12:16:09 ERROR(200) SiteError http://www.example.com/index_html Traceback (most recent call last): File "/opt/Zope/SoftwareHome272/lib/python/ZPublisher/Publish.py", line 107, in publish transactions_manager.commit() File "/opt/Zope/SoftwareHome272/lib/python/Zope/App/startup.py", line 222, in commit get_transaction().commit() File "/opt/Zope/SoftwareHome272/lib/python/ZODB/Transaction.py", line 236, in commit ncommitted += self._commit_objects(objects) File "/opt/Zope/SoftwareHome272/lib/python/ZODB/Transaction.py", line 351, in _commit_objects jar.commit(o, self) File "/opt/Zope/SoftwareHome272/lib/python/ZODB/Connection.py", line 411, in commit state=object.__getstate__() SystemError: NULL object passed to Py_BuildValue Environment: SuSE 9.1 Python 2.3.3 (source build) Zope 2.7.2 (source build) Plone 2.0.3 (tarball) one Zeo Server two Zeo Clients mounting several zodbs and temp storage via remote zeo anyone have a comment on this? thanks, travis

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proxied python script can't call proxied python script
by nwingfield＠dixon-hughes.com 09 Sep '04

09 Sep '04

I have two Python Scripts, which we will call 'A' and 'B'. To each I have applied the 'Manager' proxy role. Zope's security machinery will not allow me to call 'A' via 'B'. It gives me the infamous "You are not allowed to access 'A' in this context" message. 'A' works fine by itself. Is there any way around this? Nathaniel ID:[{20040909145341.16863.6378915730-12.6.18.86}]

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Return data from python
by Tuttle, Gene 09 Sep '04

09 Sep '04

I am new to Zope and Python. I want to be able to return the results of calculations from a python script. The script gathers 3 bits of information from a database using 3 queries. I want to add up the 3 numbers and return to the calling DTML the 4 numbers. What is the best way to do this. Also as a side note... These numbers are dollar amounts. I have not found a way to format them in Python. Can you offer any suggestions. Thanks Gene

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Zope hanging when restarting from ZMI
by Florian Reiser 09 Sep '04

09 Sep '04

Hello, when I press the restart button on the ZMI of my Zope 2.6.2, Zope doesn't start up anymore. I don't get any error messages in the event log, so I'm pretty clueless whats wrong. Please help! Greets Florian -- Superg�nstige DSL-Tarife + WLAN-Router f�r 0,- EUR* Jetzt zu GMX wechseln und sparen http://www.gmx.net/de/go/dsl

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<dtml-in> problem with defined or not defined variable as parameter
by Patrick Ulmer 09 Sep '04

09 Sep '04

Hi, I want to do something like that: <dtml-if id_historie> <dtml-in expr="dbSelect(id_historie=_.str(id_historie))"> <dtml-else> <dtml-in expr="dbSelect(id_historie=_.str(0))"> <dtml-if> [...] </dtml-in> but I get the error " unexpected end tag, for tag </dtml-in>". How can I query my database depending on having id_historie defined or not? Can somebody give me a hint? Thanks, Patrick

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