June 2002 - Zope - Zope lists

Problems decoding MIME parts with CMFMail script "addtoMailFolder_unpack_part"
by Michael LaPera 13 Jun '02

13 Jun '02

I am using CMFMail to bring email into Zope Members accounts (using CMF 1.2, and QMail). Everything works great if I just send ONLY plain text messages, put if I send multipart/mixed messages CMFMail chokes and I get a error (in my QMail error logs) that basically says "Problem Connecting to server EOF when reading a line." I tracked it down to this fairly standard MIME decoder "addtoMailFolder_unpack_part " (shown below) which is being called by the main script. It is choking is when gets to the mimetools.copyliteral(file,outfile) or mimetools.decode(file,outfile,encoding) at the bottom of the script --- >> see code below. I tried testing for specific and general exceptions, but none where thrown (at least that I could catch). I commented out the offending mimetool code and printed the file to check the results ---- they look just fine. Does anyone have ANY suggestions. I'm not really sure what to do next (and I really need to be able to get to the decoded mime parts). If you need more detail let me know... --Michael LaPera ++++++++++++++++++++++++++++++++++++++++++ ## Script (Python) "addtoMailFolder_unpack_part" ##bind container=container ##bind context=context ##bind namespace= ##bind script=script ##bind subpath=traverse_subpath ##parameters=theMail,file,partno ##title=Add man to Mail Folder (unpack_part) ## self = context import mimetools import StringIO headers = mimetools.Message(file) type = headers.getmaintype() if type == 'multipart': boundary = headers.getparam("boundary") file.push(boundary) file.readlines() while not file.last: file.next() partno = partno + 1 self.addtoMailFolder_unpack_part(theMail, file, partno) file.pop() return name = headers.getparam("name") subtype = headers.getsubtype() if type=='text' and subtype=='plain' and not name: # overwrite the body so that we get _only_ the body text. # (Uses the plain version of the body in all situations. # HTML formated body will be in the attachments dictionary) if theMail['body'] != '': theMail['body'] = theMail['body'] + '\n--body--\n' theMail['body'] = theMail['body'] + file.read() else: if not name: name = 'part%d' % (partno,) name = name + '-'+subtype encoding = headers.getencoding() outfile = StringIO.StringIO() if encoding == '7bit': mimetools.copyliteral(file,outfile) ### PROBLEM AREA else: mimetools.decode(file,outfile,encoding) ### PROBLEM AREA theMail['attachments'][name]=outfile.getvalue() outfile.close()

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Re: [Zope] Parsed XML
by Dennis Allison 13 Jun '02

13 Jun '02

The minidom won't quite do what I need. This particular project is a web-hosted XML editor, really a development front-end for another system. The ParsedXML product holds and manages the corpus of the material being edited... Now that I have a semi-working alpha-release it may be time to rethink the system and redesign for performance and simplicity. ParsedXM drags along a lot of mechanism that I do not need. In fact, my experience as been that XML and the DOM is not a great internal representation--better to parse the XML into a more maleable data structure, do what needs to be done, and reconstruct. Comments & suggestions most welcome. -d

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accessing users by role
by Kevin Lewandowski 13 Jun '02

13 Jun '02

I have an application with many user-defined security roles. I'd like to display a drop down with users that have a certain role. Is there an easy way to "get a list of users with role X"? >From what I can tell you can only start with a user and see what roles they have. That would be a lot of work to build this dropdown. I'm looking for a quicker way. any ideas? thanks! -Kevin

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file-upload to mysql database
by Philipp Giere 13 Jun '02

13 Jun '02

Hi! Sorry if this is a newbie question but I really have tried for several hours now and didn't manage the problem ... I'm trying to manage the following problem: I'd like to upload Files I read by the following Command: imagefile=intro_image[1].read() First Problem: Uploading it as a string causes SQL operational Errors. So I decided to encode the whole thing base64 Iwrote a little python script that reads the data: import base64 print base64.decodestring(datei) return printed and called it in the PageTemplate (ZPT) like this: <span tal:repeat="item python:container.select_beschreibung_image_aus_pfad(pfad=str(here.loc))"> <img src="./intro_image" align="right" tal:replace="python: here.intro_image(item.intro_image)"> What I got was exactly the string which started with GIF89a and so on and NOT the Image. Do I have to define a Content-Type or something like that? Any ideas? Thanks a lot! Philipp Giere

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Re: [Zope-CMF] copy/paste Folders
by George Stroussopoulos 13 Jun '02

13 Jun '02

I have this Folder Structure CPM |-ALLCHANNELS |-PORTALFOLDER |-REFPORTALFOLDER I am trying to copy all the channels contained in the portals and refportals folders and their subfolder into the allchannels folder. The code for the copy/paste is almost identical for both the folders.I call from portalfolder a function called exportChannels and the same from the refportalfolder. #CODE: destination=getattr(self,self.theConfigurationManager.getTheAllChannelsFolder().id ) portalslist = self.getPortals() for pl in portalslist: plchannelslistids =[] print pl.id plchannelslistids = pl.getChannelIds() for c in plchannelslistids: print c if len(plchannelslistids): destination.manage_pasteObjects(pl.manage_copyObjects(plchannelslistids)) else: print "Empty Channels List" plChannelFoldersList=[] plChannelFoldersList = pl.getChannelFolders() for plc in plChannelFoldersList: plchannelslistids=[] plchannelslistids = plc.getChannelIds() print plc.id if len(plChannelFoldersList): destination.manage_pasteObjects(plc.manage_copyObjects(plchannelslistids)) else: print "Empty Channel Folder List" #### It fails inside the copysupport.py in the manage_pasteObjects at line 168 id=self._get_id(ob.getId()) because the previous line 167 ob=ob._getCopy(self) returns none as ob def _getCopy(self, container): # Ask an object for a new copy of itself. f=tempfile.TemporaryFile() self._p_jar.exportFile(self._p_oid,f) f.seek(0) ob=container._p_jar.importFile(f) f.close() return ob It throws this error because of the above error. 2002-06-12T15:00:48 PROBLEM(100) Products.CollaboratingPortals.RefPortalFolder 1 Traceback (innermost last): File /home/toolkit/Zope251_bck/lib/python/Products/CollaboratingPortals/RefPortalFolder.py, line 450, in ExportAllChannels (Object: RefPortals) File /home/toolkit/Zope251_bck/lib/python/OFS/CopySupport.py, line 168, in manage_pasteObjects (Object: AllChannels) AttributeError: 'None' object has no attribute 'getId' ###### I have tried it with each folder containing only one channel and still fails. Their must be something i don't see. Any suggestions? Thanks in advance. ____________________________________________________________ Do You Yahoo!? Αποκτήστε τη δωρεάν @yahoo.gr διεύθυνση σας στο http://www.otenet.gr

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method map?
by Ben Avery 13 Jun '02

13 Jun '02

Hi all, I'm (still :) trying to create a generic form validator, which has certain types of tests built in (not blank, valid email, valid date, numeric), and which accepts metadata from hidden form inputs - which inputs must match which criteria, so the form describes itself to the handler. This bit is fine. But what I'd also like is to be able to tell it is which methods to call if it fails and passes the checks. Obviously I wouldn't try to accept a form argument and just run it. But what I would like is some way of implementing a safe point-to-point map, i.e. from this method it is safe to go to these ones, and then calling that method by using its name read from, e.g. a property sheet. Like a reference in Perl (if I'm allowed to say that here ;) How would the python syntax work to call something by reference like this? ____________ Ben Avery YouthNet UK

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zshell question: find vs ZopeFind
by Jean Jordaan 13 Jun '02

13 Jun '02

Hi there Does anyone know why this works fine using zshell: find Control_Panel --type "DataSkin Attribute Property Sheet" while this (from a Script (Python)) returns nothing? objs = context.ZopeFind( context.Control_Panel.Products.ZCrm, obj_metatypes=['DataSkin Attribute Property Sheet', ], search_sub=1) -- Jean Jordaan Upfront Systems http://www.upfrontsystems.co.za

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Inserting data into a catalog with dtml
by abg＠comco-inc.com 13 Jun '02

13 Jun '02

I'm trying to pull data from an odbc database and insert it into a zcatalog. For reasons I won't go into, I need to use DTML to accomplish this. I'm able to pull the data using ZSQL, but can't figure out how to drop it into the catalog with a DTML command. Any tips? TIA, Aaron abg(a)comco-inc.com

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zope for collaborative development
by Robert Boyd 13 Jun '02

13 Jun '02

Hello all, I am investigating using Zope for building something similar to SourceForge's commercial products -- meaning projects hosted on our servers, with access restrictions/rules, forums, issue-tracking, and hopefully somehow tied in with cvsweb or another cvs interface. I have minimal experience with Zope, and it seems the standard Zope is more for web content management (correct me if wrong). Could Zope be suitable for collaborative software development? Thanks for your input. Rob __________________________________________________ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com

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Parsed XML
by Dennis Allison 13 Jun '02

13 Jun '02

I have been using the ParsedXML product. Anyone else out there with experience using this product? My immediate concern is performance. Relatively simple operations take long times. For example, I have several related chunks of ParsedXML ranging in size from 1K to 14K and averaging about 5K. (Of course that doesn't say much about the structural complexity, but it's fair to say that each xml document has 20 to 100 nodes. I have an External Method that PrettyPrints the XML and writes the result to a file. For the 60K of XML it takes 72 seconds of (mostly) dedicated processing. Any ideas why ParsedXML exhibits poor performance?

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