Brython on I Programmer

[Pierre Quentel]

A nice post on I-Programmer about Brython : http://www.i-programmer.info/news/98-languages/5840-brython-python-in-the-browser.html
- Pierre

[Billy Earney]

Awesome article, and a good intro to brython.

On Thu, May 9, 2013 at 8:50 AM, Pierre Quentel <pierre....@gmail.com> wrote:

A nice post on I-Programmer about Brython : http://www.i-programmer.info/news/98-languages/5840-brython-python-in-the-browser.html

- Pierre

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[Gnarlodious]

What is supposed to happen on I load page http://www.brython.info/gallery/clock.html ? I see nothing and Console says:

WebKit message: line 531: TypeError: 'undefined' is not an object (evaluating 'window.IDBObjectStore.prototype')

WebKit message: line 5618: ReferenceError: Can't find variable: list

-- Gnarlie

http://Gnarlodious.com

[Billy Earney]

Gnarlodious,

what browser are you using, and what version?

Thanks!

billy

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[Gnarlodious]

This is iCab 5.0.5, a Webkit browser. But the same occurs in Safari and also Chrome. I am running OSX  build 12E47, in case it matters.

-- Gnarlie

[Gnarlodious]

More info, Chrome reports:

1. Uncaught TypeError: Cannot read property 'prototype' of undefined /src/brython.js:531
1. (anonymous function)/src/brython.js:531

1. Uncaught ReferenceError: list is not defined

-- Gnarlie

On Thursday, May 9, 2013 9:09:26 AM UTC-6, Billy Earney wrote:

[Billy Earney]

I'm not currently at my brython development machine, but I  think I know how to fix it..

py_util.js   line 596   (change to look like below): 

if (window.IDBObjectStore !== undefined) {

  window.IDBObjectStore.prototype._put=window.IDBObjectStore.prototype.put
  window.IDBObjectStore.prototype.put=function(obj, key) {
   var myobj=pyobject2jsobject(obj);
   return window.IDBObjectStore.prototype._put.apply(this, [myobj, key]);
  }

  window.IDBObjectStore.prototype._add=window.IDBObjectStore.prototype.add
  window.IDBObjectStore.prototype.add=function(obj, key) {
   var myobj=pyobject2jsobject(obj);
   return window.IDBObjectStore.prototype._add.apply(this, [myobj, key]);
  }

}

Probably the same needs to be done for the window.IDBRequest function (which is just below the above code:

if (window.IDBRequest !== undefined) {

  window.IDBRequest.prototype.pyresult=function() {
   return jsobject2pyobject(this.result);
  }

}

Just in case someone wants to fix it in the repo ASAP.

I can do it later (in about 5 hours) if it isn't pushed by then.

Billy

To view this discussion on the web visit https://groups.google.com/d/msg/brython/-/1_IsAZDSl8sJ.

[Pierre Quentel]

Thanks for the report. There was no problem with Chrome on my Windows XP machine

I have commited the fix suggested by Bill and uploaded it to brython.info. Is the problem solved now ?

2013/5/9 Billy Earney <billy....@gmail.com>

[Gnarlodious]

No change, not in Chrome nor Safari.

-- Gnarlie

[Pierre Quentel]

Oops ! upload error... should be better now

2013/5/9 Gnarlodious <gnarl...@gmail.com>

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[Gnarlodious]

That fixed it!

-- Gnarlie