[reportlab-users] Reportlab and GoogleAppEngine

[Dirk Holtwick]

Thanks for the hint! I save the requests in a data store to analyze
buggy requests. There seems to be an error that I will fix shortly.

Dirk

Robin Becker schrieb:

> Dirk Holtwick wrote:

>> Hi,

>>

>> I thought that might be an interesting information for you, that the

>> Reportlab Toolkit works fine on the restricted Python 2.5 Environment of

>> the new Google AppEngine. I use it for this little demo of HTML to PDF

>> conversion and it performs very well:

>>

>>     http://xhtml2pdf.appspot.com/

>>

>>

>> Regards,

>> Dirk

> .......

> 

> Dirk, your app is not returning properly when an error occurs. It

> returns result.pdf as a text file and that seems to confuse my browser

> into trying to open the traceback text as a pdf.

> 

> Anyhow the error I got was this

> 

> Traceback (most recent call last):

>   File

> "/base/python_lib/versions/1/google/appengine/ext/webapp/__init__.py",

> line 501, in __call__

>     handler.post(*groups)

>   File "/base/data/home/apps/xhtml2pdf/1.7/main.py", line 76, in post

>     conversion.put()

>   File

> "/base/python_lib/versions/1/google/appengine/ext/db/__init__.py", line

> 615, in put

>     self._populate_internal_entity()

>   File

> "/base/python_lib/versions/1/google/appengine/ext/db/__init__.py", line

> 597, in _populate_internal_entity

>     self._entity = self._populate_entity(_entity_class=_entity_class)

>   File

> "/base/python_lib/versions/1/google/appengine/ext/db/__init__.py", line

> 645, in _populate_entity

>     self._to_entity(entity)

>   File

> "/base/python_lib/versions/1/google/appengine/ext/db/__init__.py", line

> 587, in _to_entity

>     entity[prop.name] = datastore_value

>   File "/base/python_lib/versions/1/google/appengine/api/datastore.py",

> line 343, in __setitem__

>     datastore_types.ToPropertyPb(name, value)

>   File

> "/base/python_lib/versions/1/google/appengine/api/datastore_types.py",

> line 976, in ToPropertyPb

>     (name, len(v), max_len))

> BadValueError: Property content is 20979 bytes long; it must be 500 or

> less. Consider Text instead, which can store strings of any length.

> 

> I suppose I was trying to convert something that was too large.