-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Jim Washington wrote: > So, I have a need to put together a more elaborate web page. Lots of > pop-up dialog boxes and dynamically-updated choice lists. How to do that? > > I take a look at Pyjamas http://pyjs.org. Pretty cool. > > Here's the theory. Write fancy application web page in python using the > Pyjamas/GWT API, then "compile" it to javascript. Serve it through > zope, which will handle auth/auth. Client-server communication flows > through json-rpc calls. What could possibly go wrong? > > First-off, just a simple test-of-concept. Edit the JSONRPCExample.py > file in the examples/jsonrpc folder that came with pyjamas. > > I'll locate the jsonrpc service in zope's containment root, so I change > the uri in EchoServicePython from "/services/EchoService.py" to "/". > That's all I need to change. Compile it using the handy "build.sh" > that's in the same folder. Look in the "output" folder and see what we got. > > Wow. a bunch of files. > > JSONRPCExample.IE6.cache.html > Mozilla.cache.html > OldMoz.cache.html > Opera.cache.html > Safari.cache.html > JSONRPCExample.html > JSONRPCExample.nocache.html > corner_dialog_bottomleft.png > corner_dialog_bottomleft_black.png > corner_dialog_bottomright.png > corner_dialog_bottomright_black.png > corner_dialog_edge.png > corner_dialog_edge_black.png > corner_dialog_topleft.png > corner_dialog_topleft_black.png > corner_dialog_topright.png > corner_dialog_topright_black.png > history.html > pygwt.js > tree_closed.gif > tree_open.gif > tree_white.gif > > I'm lazy, so instead of doing a bunch of resource or view directives in > ZCML, I let my paste.ini do the handling. > > [app:pyjs1] > use=egg:Paste#static > document_root=/home/jwashin/projects/pyjamas/pyjamas-0.4/examples/jsonrpc/output > > then, I link that in with the composite app. > > [composite:Paste.Main] > use = egg:Paste#urlmap > / = zope > /images = images > /pyjs1 = pyjs1 > > Now, to get to JSONRPCExample.html, I need to go to > http://website/pyjs1/JSONRPCExample.html > > But first, I need to actually handle the json-rpc requests in zope. > > Make a servicetest.py. Almost exactly similar to EchoService.py in the > output/services folder. > > from zif.jsonserver.jsonrpc import MethodPublisher > class Services(MethodPublisher): > def echo(self, msg): > return msg > def reverse(self, msg): > return msg[::-1] > def uppercase(self, msg): > return msg.upper() > def lowercase(self, msg): > return msg.lower() > > Now, a ZCML incantation. > > <jsonrpc:view > for="zope.app.folder.interfaces.IRootFolder" > permission="zope.Public" > methods="echo reverse uppercase lowercase" > class = ".servicetest.Services" > /> > > Start zope, and go to http://website/pyjs1/JSONRPCExample.html > > Nice page. Click the "Send to Python Service" button. > > Server Error or Invalid Response: ERROR 0 - Server Error or Invalid Response > > Damn. > > Pull up tcpwatch and see what we are getting. Aha. pyjamas app is > sending jsonrpc with a content-type of > application/x-www-form-urlencoded, so zope is not handing it off to > zif.jsonserver for handling. > > Fix pyjamas or let zif.jsonserver handle this content-type? > > In zif.jsonserver's configure.zcml, in the "publisher" directive, add > application/x-www-form-urlencoded to mimetypes. > > Restart zope. Go to http://website/pyjs1/JSONRPCExample.html > > It works. > > Change permissions in the jsonrpc:view directive. Restart zope. > > Go to the page. Page loads. Push the button, and I get a Basic HTTP > Authentication dialog. Nice. > > Overall Results: So far, so good. :)
Thanks for the tour. I've been meaning to look at Pyjamas. Tres. - -- =================================================================== Tres Seaver +1 540-429-0999 tsea...@palladion.com Palladion Software "Excellence by Design" http://palladion.com -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFJTPQc+gerLs4ltQ4RAn7VAJ93BFtVweq7gYzUT5MddY8os2t6IQCeNyZc fPZjWcVLWSAml/SJI6QerYU= =nGR+ -----END PGP SIGNATURE----- _______________________________________________ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )