March 1999 - Zope - Zope lists

DTML indirection question again
by Gabe Wachob 15 Mar '99

15 Mar '99

OK, here's the situation. I have a "login" page that I want to list the contents of different directories depending on the value of the AUTHENTICATED_USER Each user has a folder under the folder 'user'. I would like to be able to do (simplified):    <a target="_view" href="user/"></a><br>    However, I get a TypeError on the #with line (and even if I put in the AUTHENTICATED_USER.id instead of just AUTHENTICATED_USER). What am I doing wrong here? I've tried a lot of different combinations of #with and _.getitem and such.. THANKS -Gabe

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Simulating static URLs, end-user session management
by Robert Wentworth 15 Mar '99

15 Mar '99

Hi. I am very new to Zope, having spent the last day (with only about two hours of sleep) excitedly pouring through the documentation. I still have a lot to digest, but there are some questions I did want to ask at this stage: A) Are there reasonable ways of arranging to have the URLs for some/many Zope generated pages appear, as far as the outside world is concerned, to be URLs for static HTML pages? The issue is one of indexing by search engine robots. I anticipate building a site where most of the content will change fairly slowly, and where there would be a standard set of views of the data which would be essentially static at a logical level. I really want search engines to index those static views. (There would likely also be dynamically generated views which shouldn't be indexed.) So, I think the requirement is that there should be a way of getting to pages with a URL like: http://www.mydomain.com/here/there/everywhere.html as opposed to http://www.mydomain.com/here/there/everywhere or http://www.mydomain.com/here/there?everwhere I supect there are a number of ways of tricking Zope into accepting URLs in the first form, or perhaps into actually generating some static pages which would be served up directly by the HTTP server (though my quick check of the archives suggests this is an unresolved issue). My questions are: 1) Has anyone already done something like this? 2) What approaches could you suggest to accomplish this? 3) Is trying to arrange this likely to be a big task or a little task (as subjective as that question is)? B) On another topic entirely, I am wondering about the issue of tracking sessions of end-users. (Hmmm... maybe I should have done more searching in the archives -- this must be a common issue.) Various application servers (e.g., for Java servlets) that I've looked at provide facilities for maintaining "session" information (not in the sense of a transaction as used in Zope) about end users. Typically this would be done by setting a cookie or by incorporating a session ID into dynamically generated URLs. I haven't noticed anything about this in the Zope documentation. I'm guessing that perhaps that is because Zope is so powerful that implementing something like this yourself is regarded as trivial. But thinking about it a bit, I'm not sure what the Zope mindset would be about how to do this. Zope sends requests directly to objects. But in order to manage a session cookie (or whatnot) you need to add a certain functionality to every (or most HTTP) requests. You certainly don't want to have every object explicitly worry about this. Is there a hook that would allow all requests to pass through some sort of filter that extracts/manages session information? Or is there some other standard solution to this problem? For what it's worth, I am interested in using Zope to build my second E-commerce site. I built the first site by using Python to generate static pages from a data structure, combined with lots of JavaScript and a little Perl CGI. It worked, but I'm sure there is a better way. I was leaning towards a Java servlet plus templating package solution, until I found Zope. I've been a Python proponent for a while, but Zope is threatening to make my brain explode. Talk about paradigm shifts. C) Despite my Python and OO background, it's not easy to absorb it all at once. This does make me somewhat concerned, as my business partner, who will be a content provider, has no OO experience. I don't want to produce a system where it will be hopeless for her (possibly with help from another developer) to take over if I get hit by a bus. Thoughts...? Robert Wentworth rhww(a)erols.com (aka webmaster(a)tripplebrookfarm.com)

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Re: [Zope] fsimport HowTo
by Tony McDonald 15 Mar '99

15 Mar '99

>> The docs seem to imply that you provide fsdir with a *directory* >> ie fsdir=/web/srvs-sol/www.so.cz/ppm > > I've tried that too. Didn't help. What could be wrong? > > -- I've imported a directory using fsimport and it worked for me. I can only suggest (clutching at straws here) that having '.' in the fsdir attribute might be throwing it? Even more clutching here - did you leave the trailing slash off the fsdir attribute? hth tone

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<!--#var dir/name not possible?
by Milos Prudek 15 Mar '99

15 Mar '99

Hi, I like to keep my image files in a directory "img". How can I call image files from lower levels? I tried  and it did not work, but when I use <img src="img/name"> it works nicely... How do I do this with #var ? -- Milos Prudek

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Newbie dtml question ( very simple )
by Dr. Armin Tschammer 15 Mar '99

15 Mar '99

Hi, I would like to do things like that: XY.py : d = {} d['x1']=1 d['x2']=2 X = DocumentTemplate.HTMLFile('X3.dtml') string = X(d) WRONG: X3.dtml : <html> <head> Some Stuff </head> <body> More Stuff  Other Stuff  </body> </html> How does the right X3.dtml file look like ? Thanks, Armin

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"magic buttons" in forms
by julian＠zereau.net 15 Mar '99

15 Mar '99

Two questions about "magic" behavior of form submit buttons: 1)The "cancel" button system, can it be made to work with a button with another value apart from "cancel"? (such as "back" or "home") 2)The <imput type=submit name="foo:method"> system, please can someone explain this, as it is the only way I have yet figured out to do a single form with many destination pages. Also, does this behave differently in DTML methods and DTML documents? --- Julian Morrison Programmer (Zereau Ltd)

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database upload
by Milos Prudek 15 Mar '99

15 Mar '99

I have MySQL database, and I want to upload my gif files into it through Zope, just like when creating Image component. How can I achieve this? -- Milos Prudek

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Searching a Zope site (in the traditional way)
by Tony McDonald 15 Mar '99

15 Mar '99

How do you do this?, ie to get a list of files/objects that contain the search term, laid out in a way that the external user would recognise. I don't mean the 'find' tag in the manage screens, by the way... Tone. ------ Dr Tony McDonald, FMCC, Networked Learning Environments Project The Medical School, Newcastle University Tel: +44 191 222 5888 Fingerprint: 3450 876D FA41 B926 D3DD F8C3 F2D0 C3B9 8B38 18A2

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File upload product anywhere?
by Tony McDonald 15 Mar '99

15 Mar '99

Hi all, Has anyone written a file upload 'product' that they'd like to share? My own requirements are that; the files should (optionally) go to a file system, I need to be able to change the interface for the system, the users should be authenticated from an external database, the files (if held in a file system) should retain their associations with folders (for permissions and access), and I'd like it in blueberry please. What I'm basically after is the best of both worlds - Zope permissions/acquisition etc. with the 'safety net' of a file system for large files (and possible batch uploading). My problem (or one of them) is that there's no way that I'm up to speed enough in Zope/Python to start on this...I have a system doing the file upload working well in PHP3, but that (obviously) doesn't have the permissions/acquisition power of Zope. I guess I could do redirects to my PHP3 scripts from within Zope however, but it's hardly (ahem) 'elegant'. any thoughts gratefully accepted. Tone ------ Dr Tony McDonald, FMCC, Networked Learning Environments Project The Medical School, Newcastle University Tel: +44 191 222 5888 Fingerprint: 3450 876D FA41 B926 D3DD F8C3 F2D0 C3B9 8B38 18A2

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Re: [Zope] MySQL & integer IDs
by Tom Jenkins 15 Mar '99

15 Mar '99

(I'm resending this as I didn't see it appear on the list the first time) > At 06:14 14-3-99 , Tom Jenkins wrote: > >Now unfortunately I believe the L is causing the insert to fail with an > >invalid integer. I specified user_id as integer unsigned zerofill > >auto_increment. Does anyone know why the 'L' is being return? > > > > The L value is caused by a long integer to string conversion. You can get > rid of the L by specifying a C format string, like so: > >  > thanks guys that was exactly the problem and the above fixed it. I didn't know about the fmt capability. Anthony:  works too. Thanks again, -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Tom Jenkins DevIS (http://www.devis.com) Linux & Samba 2.0 : The best Windows file server http://www.zdnet.com/sr/stories/issue/0,4537,2196106,00.html "Do not be overcome by evil, but overcome evil with good." Romans 12:21

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