Nabble - pyamf-dev

Merging dev mailinglist into users mailinglist

2009-06-18T11:00:10Z

Hi there,

dev@... is the mailinglist for PyAMF that has been available
since day 1, and after a couple of months we created users@...
for more general user questions about PyAMF. Mainly because of IRC [1]
we don't use the dev@... for developer discussions. Since there
hasn't been a post on this list for months, compared to an average of
a couple of mails a day on the users list, we decided [2] to close
this mailinglist and ask the people on this list to use
users@... instead from now on. We'll move all subscribers of
this list automatically to the users list, so you shouldn't have to do
anything, you'll simply receive a confirmation email that you were
subscribed to users@....

Sorry for any inconvenience and hope to talk to you again on users@ :)
Also cc-ing the users list on this email.

Cheers,

Thijs

[1] http://pyamf.org/wiki/IrcChannel
[2] http://pyamf.org/ticket/584

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Re: test

2009-06-17T05:27:53Z

pong

On Wed, Jun 17, 2009 at 12:55, Nick Joyce<nick@...> wrote:
> ping
> _______________________________________________
> PyAMF dev mailing list - dev@...
> http://lists.pyamf.org/mailman/listinfo/dev
>
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test

2009-06-17T04:55:45Z

ping
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PyAMF 0.4.2 released

2009-04-24T02:11:38Z

The PyAMF team is proud to announce the release of 0.4.2!

PyAMF [1] is a lightweight library that allows Flash and Python
applications to communicate via Adobes ActionScript Message Format.

This is a bugfix release [2], see the changelog [3] for the complete list
of changes. A brief overview of the changes:

- Support for decoding the 'source' property on ArrayCollections
- Fixed an issue in the GAE adapter where dynamic properties would be
missing on referenced objects
- Fixed a critical issue with AMF0 reference counting when encoding
remoting responses
- Support for Django i18n ugettext_lazy
- Added support for microseconds for datetime objects
- Support for property types on SQLAlchemy mapped classes
- Support for property types for Google AppEngine db.Model and db.Expando

Check out the download page [4], installation instructions [5] or the API
documentation [6] for more information.

Questions? First stop is the mailing list [7] but we also hang out on IRC
[8].

Cheers,

the PyAMF team.

[1] http://pyamf.org
[2] http://pyamf.org/milestone/0.4.2
[3] http://pyamf.org/browser/pyamf/tags/release-0.4.2/CHANGES.txt
[4] http://pyamf.org/wiki/Download
[5] http://pyamf.org/wiki/Install
[6] http://api.pyamf.org
[7] http://pyamf.org/wiki/MailingList
[8] irc://irc.collab.eu/pyamf

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Re: Missing microseconds in datetime objects [with patch]

2009-03-07T08:33:07Z

Thanks for the report and patch Derek, I verified the fix and opened a ticket for it:

http://pyamf.org/ticket/490

Cheers,

Thijs

On 7 Mar 2009, at 03:32, Derek Payton wrote:

Hey all,

The company I worked for needed subsecond accuracy on datetime objects, but microseconds were getting lost in translation. To demonstrate, I used the CherryPy echo server and the following client:

----- Begin Client -----
#!/usr/bin/env python
from datetime import datetime
from pyamf.remoting.client import RemotingService

gw = RemotingService('http://localhost:8080/gateway/')
service = gw.getService('myservice')

dt = datetime.now()
print 'in:', dt
print 'out:', service.echo(dt)
----- End Client -----

$ python test-client.py
in: 2009-03-06 18:46:36.913483
out: 2009-03-06 18:46:36

Turns out, timetuples don't hold microseconds and we need to add them manually:

----- Begin diff -----
Index: util/__init__.py
===================================================================
--- util/__init__.py    (revision 2229)
+++ util/__init__.py    (working copy)
@@ -634,7 +634,8 @@
     if isinstance(d, datetime.date) and not isinstance(d, datetime.datetime):
         d = datetime.datetime.combine(d, datetime.time(0, 0, 0, 0))

-    return calendar.timegm(d.utctimetuple())
+    msec = str(d.microsecond).rjust(6, '0')
+    return float('%s.%s' % (calendar.timegm(d.utctimetuple()), msec))

def get_datetime(secs):
     """
----- End diff -----

$ python test-client.py
in: 2009-03-06 18:48:33.054154
out: 2009-03-06 18:48:33.054154

I patched this internally months ago, sorry for only just now getting it out to the list.

--Derek
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Missing microseconds in datetime objects [with patch]

2009-03-06T19:32:54Z

Hey all,

The company I worked for needed subsecond accuracy on datetime objects, but microseconds were getting lost in translation. To demonstrate, I used the CherryPy echo server and the following client:

----- Begin Client -----
#!/usr/bin/env python
from datetime import datetime
from pyamf.remoting.client import RemotingService

gw = RemotingService('http://localhost:8080/gateway/')
service = gw.getService('myservice')

dt = datetime.now()
print 'in:', dt
print 'out:', service.echo(dt)
----- End Client -----

$ python test-client.py
in: 2009-03-06 18:46:36.913483
out: 2009-03-06 18:46:36

Turns out, timetuples don't hold microseconds and we need to add them manually:

----- Begin diff -----
Index: util/__init__.py
===================================================================
--- util/__init__.py    (revision 2229)
+++ util/__init__.py    (working copy)
@@ -634,7 +634,8 @@
     if isinstance(d, datetime.date) and not isinstance(d, datetime.datetime):
         d = datetime.datetime.combine(d, datetime.time(0, 0, 0, 0))

-    return calendar.timegm(d.utctimetuple())
+    msec = str(d.microsecond).rjust(6, '0')
+    return float('%s.%s' % (calendar.timegm(d.utctimetuple()), msec))

def get_datetime(secs):
     """
----- End diff -----

$ python test-client.py
in: 2009-03-06 18:48:33.054154
out: 2009-03-06 18:48:33.054154

I patched this internally months ago, sorry for only just now getting it out to the list.

--Derek

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PyAMF 0.4.1 released

2009-02-25T11:38:52Z

The PyAMF team is proud to announce the release of 0.4.1!

PyAMF [1] is a lightweight library that allows Flash and Python
applications to communicate via Adobe’s
ActionScript Message Format.

This is a bugfix release [2], see the changelog [3] for the complete
list of changes. A brief overview of the
changes:

- amf0.Encoder.use_amf3 has been extended to cover all object types
- Encoding {0:0, ‘0′:1} will now raise an AttributeError.
- Improvements to the Google App Engine adapter - see ticket 479 for
details
- Unicode handling in __repr__ functions has been improved
- Django models.TimeField, models.DateField will now be converted to
the correct type
(datetime.time and datetime.date respectively). fields.NOT_PROVIDED
is also checked for
by converting to pyamf.Undefined and back again.

Check out the download page [4], installation instructions [5] or the
API documentation [6] for more
information.

Questions? First stop is the mailing list [7] but we also hang out on
IRC [8].

Cheers,

the PyAMF team.

[1] http://pyamf.org
[2] http://pyamf.org/milestone/0.4.1
[3] http://pyamf.org/browser/pyamf/tags/release-0.4.1/CHANGES.txt
[4] http://pyamf.org/wiki/Download
[5] http://pyamf.org/wiki/Install
[6] http://api.pyamf.org
[7] http://pyamf.org/wiki/MailingList
[8] irc://irc.collab.eu/pyamf

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PyAMF 0.4 released

2009-01-18T11:16:44Z

The PyAMF team is proud to announce the release of 0.4 final!

PyAMF [1] is a lightweight library that allows Flash and Python
applications to communicate via Adobe’s
ActionScript Message Format.

This release fixes over a 100 tickets, see the changelog [2] for the
complete list of changes. We now
consider the library to be stable and ready for production! A brief
overview of the changes:

- A new C extension to pyamf.util and pyamf.amf3. This is a work in
progress, created using Cython,
and more sections of the library will be moved to C as they are
identified. Thanks to Gerard
Escalante.
- An adapter for SQLAlchemy 0.4/0.5 is available, allowing object
graphs to be easily encoded. See
the wiki for more information. Thanks to Dave Thompson and Michael
Van Tellingen.
- Improvements to the Google App Engine adapter to allow datastore
objects to be easily
encoded/decoded.

Check out the download page [3], installation instructions [4] or the
API documentation [5] for more
information.

Questions? First stop is the mailing list [6] but we also hang out on
IRC [6].

[1] http://pyamf.org
[2] http://pyamf.org/browser/pyamf/tags/release-0.4/CHANGES.txt
[3] http://pyamf.org/wiki/Download
[4] http://pyamf.org/wiki/Install
[5] http://api.pyamf.org
[6] http://pyamf.org/wiki/MailingList
[7] irc://irc.collab.eu/pyamf

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PyAMF 0.4rc3 released

2009-01-14T13:52:19Z

We're proud to announce a new release of PyAMF, a lightweight library
that allows Flash and Python applications to communicate via Adobe’s
ActionScript Message Format.
This is hopefully the last Release Candidate before we release 0.4
final. Changes since rc2 include:

- Support for SQLAlchemy 0.5.0 (Ticket:436)

- pyamf.util.DataTypeMixIn/cpyamf.util.BufferedByteStream can now
encode/decode 24bit un/signed integers. (Ticket:422)

- pyamf.util.StringIOProxy/cpyamf.util.BufferedByteStream both have
new consume methods that will chop of the tail of the stream (already
read stream). (Ticket:423)

- Now checking for all types of supported xml lib types for
encoding, but will only use the first implementation for decoding
(Ticket:426)
- fpconst dependancy is now only required if the platform requires
it (Ticket:356)
- Decoding negative timestamps on certain platforms (namely Windows)
are now supported (Ticket:390)
For a detailed list of changes, see the change log [1].

To download this release either grab a compressed file [2], use
‘easy_install -U pyamf’ or grab the Subversion tag [3].

Cheers,

The PyAMF team

[1] http://pyamf.org/browser/pyamf/tags/release-0.4rc3/CHANGES.txt

[2] http://download.pyamf.org

[3] http://svn.pyamf.org/pyamf/tags/release-0.4rc3

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PyAMF 0.4rc2 released

2009-01-05T16:47:47Z

The PyAMF team is proud to announce a new release of PyAMF, a
lightweight library that allows Flash and Python applications to
communicate via Adobe’s ActionScript Message Format.

Lots of changes for this one, a brief overview:

• A new C extension to pyamf.util and pyamf.amf3. This is a work in
progress and using Cython [1] more sections of the library will be
moved to C as they are identified. Thanks to Gerard Escalante.
• An adapter for SQLAlchemy [2] is available, allowing object graphs
to be easily encoded. See the wiki [3] for more information. Thanks to
Dave Thompson and Michael Van Tellingen.
• Improvements to the Google App Engine adapter [4] to allow
datastore objects to be easily encoded/decoded.
For a detailed list of changes, see the change log [5].

To download this release either grab a compressed file [6], use
‘easy_install -U pyamf’ or grab the Subversion tag [7].

This is a release candidate so depending on feedback, 0.4 final [8]
will be available in a few days.

Happy New Year,

The PyAMF team

[1] http://cython.org

[2] http://sqlalchemy.org

[3] http://pyamf.org/wiki/SQLAlchemyAdapter

[4] http://pyamf.org/wiki/GoogleAppEngine

[5] http://pyamf.org/browser/pyamf/tags/release-0.4rc2/CHANGES.txt

[6] http://download.pyamf.org

[7] http://svn.pyamf.org/pyamf/tags/release-0.4rc2/

[8] http://pyamf.org/milestone/0.4

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Re: Problems with latest pyAMF version

2008-12-09T04:33:07Z

Hi Akira,

0.3.1 is around 7 months old now and a lot has changed internally to
improve object encoding support. If possible - could you check with
trunk and see if this error still occurs?

If it does we're going to need to see some code that reproduces the
problem because that traceback gives little info to what the cause may
be. :(

Thanks!

Nick

akira wrote:
> Hi guys,
>
> I have been getting this error once in a while with the latest
> version off PyAMF( 0.31)
>
> return pyamf.remoting.encode(pyamf_response, context).getvalue()
> File
> "/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/remoting/__init__.py",
> line 582, in encode
> File
> "/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/remoting/__init__.py",
> line 429, in _write_body
> File
> "/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
> line 519, in writeElement
>    func(data)
> File
> "/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
> line 554, in writeArray
>    self.writeElement(data)
> File
> "/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
> line 519, in writeElement
>    func(data)
> File
> "/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
> line 728, in writeObject
>    self.writeElement(value)
> File
> "/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
> line 519, in writeElement
>    func(data)
> File
> "/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
> line 724, in writeObject
>    obj_attrs = self._getObjectAttrs(o, alias)
> File
> "/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
> line 691, in _getObjectAttrs
>    raise pyamf.EncodeError('Unable to determine object attributes')
> EncodeError: Unable to determine object attributes
>
> Does anyone have an idea what might be going wrong? It is sporadical
> and does not happen all time
>
>
> Thanks
> _______________________________________________
> PyAMF dev mailing list - dev@...
> http://lists.pyamf.org/mailman/listinfo/dev

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Problems with latest pyAMF version

2008-12-08T20:32:04Z

Hi guys,

I have been getting this error once in a while with the latest version
off PyAMF( 0.31)

return pyamf.remoting.encode(pyamf_response, context).getvalue()
File
"/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/remoting/__init__.py",
line 582, in encode
File
"/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/remoting/__init__.py",
line 429, in _write_body
File
"/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
line 519, in writeElement
func(data)
File
"/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
line 554, in writeArray
self.writeElement(data)
File
"/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
line 519, in writeElement
func(data)
File
"/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
line 728, in writeObject
self.writeElement(value)
File
"/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
line 519, in writeElement
func(data)
File
"/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
line 724, in writeObject
obj_attrs = self._getObjectAttrs(o, alias)
File
"/usr/lib/python2.5/site-packages/PyAMF-0.3.1-py2.5.egg/pyamf/amf0.py",
line 691, in _getObjectAttrs
raise pyamf.EncodeError('Unable to determine object attributes')
EncodeError: Unable to determine object attributes

Does anyone have an idea what might be going wrong? It is sporadical and
does not happen all time

Thanks
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Re: PyAMF browser?

2008-12-04T04:25:41Z

Hi Akira,

There isn't - is something like that practically useful?

Cheers,

Nick

On 3 Dec 2008, at 05:39, akira wrote:

> Hi All,
>
> Is there an equivalent of the AMFPHP service browser for PYAMF?
>
>
> Thanks and keep up with the good work!
> _______________________________________________
> PyAMF dev mailing list - dev@...
> http://lists.pyamf.org/mailman/listinfo/dev

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PyAMF browser?

2008-12-02T21:33:06Z

Hi All,

Is there an equivalent of the AMFPHP service browser for PYAMF?

Thanks and keep up with the good work!
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Lists are back up

2008-11-17T13:28:50Z

Hi there,

we experienced some downtime for the mailinglists but they should be
up and working again, so please resend your email if something didn't
come through..

Cheers,

Thijs

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Lead Python Web Services Framework Architect - Python, WSGI, PostgresSQL, Apache Server

2008-10-20T13:30:32Z

Lead Python Web Services Framework Architect - Python, WSGI, PostgresSQL, Apache Server

Job Responsibilities

The Lead Python Web Services Framework Architect will be responsible for maintenance and expansion of the Python Web Framework which powers the WordStream Suite of SaaS products. Day-to-day activities include:

* Design and development of improvements to the Python-based software stack which our products are built upon
* Implementation and management of distributed database systems
* Development of system maintenance tools and processes
* Design of processes for scaling the infrastructure
* Design and implementation of an infrastructure management solution

This position will require a significant amount of work with Open Source technologies. WordStream is a proud supporter of Open Source, and does strive to contribute improvements back to the Open Source community.
Qualifications

Please note that this is not a System Administration posting; instead, we are seeking individuals with prior experience in dealing with the development and administration of complex Linux-based web frameworks. Candidates must have top-notch programming skills in additon to a solid understanding of Linux-based system administration.

Only candidates with a bachelor's degree in computer science or engineering, or, a very substantial amount of related technical coursework and work experience in a related field will be considered.

Required Skills: Web Framework Development/Administration, Linux System Administration, PostgresSQL, Apache Server

Bonus Skills: Python, PyAMF, CherryPy, Red Hat Enterprise Linux (RHEL)/CentOS, Git, Trac, SQLite, Open-Source software development, SQL, Amazon Web Services (EC2, S3), Google App Engine

Required Experience: 3+ years

Required Education: Bachelor's Degree

Position Title: Lead Python Web Services Framework Architect

Type of Position: Full-time or Contract-to-hire

Travel Required: None

Location: Worldwide - This is a Telecommute Job / Work From Home (WFH), or, optionally, work from Boston, MA.

How To Apply

To apply for the Lead Python Web Services Framework Architect position, send a resume and cover letter to jobs at WordStream dot com.

About WordStream

WordStream is a venture-backed startup engaged in providing online software as a service (SaaS) search engine marketing software solutions for PPC/SEM and SEO. Our patented, innovative software-as-a-service applications automate the manual, repetitive work involved in search engine optimization, saving time and enabling customers to improve ROI on search marketing objectives in a consistent and repeatable manner. For more information please visit: www.wordstream.com

Re: SqlAlchemy Adapter

2008-09-25T08:03:36Z

I lately found that in order to get the mapper it is better to call:

mapper = sqlalchemy.orm.util.object_mapper(obj, False)

and check if mapper is None.

The documentation says:
def object_mapper(object, raiseerror=True):
"""Given an object, return the primary Mapper associated with the
object instance.

object
The object instance.

raiseerror
Defaults to True: raise an ``InvalidRequestError`` if no
mapper can
be located. If False, return None.

"""

On Sep 22, 2008, at 12:24 AM, dthompso@... wrote:

> Thanks for the suggestion. I used your code, but I ran into problems
> with custom
> collections (classes that are decorated with
> @sqlalchemy.collection.iterator,
> etc.) because they don't have a class manager. I added a simple
> check that uses

Could you please post an example?

>
> the mapper if the object has a class manager, or the __dict__ if it
> doesn't.
> Seems to work with my setup (SA 0.5).
>
> Thanks
> -Dave
>
>
> Quoting nikos@...:
>
>> Hi Dave,
>>
>> I had to make slight changes to your version of SQLAlchemy adapter to
>> return the correct results for my project. The patch is:
>>
>> ----------->8------------- _sqlalchemy.patch --------------
>> >8---------------
>> --- /home/papagr/_sqlalchemy_old.py 2008-09-18 17:29:06.000000000
>> +0200
>> +++ /home/papagr/_sqlalchemy_new.py 2008-09-18 17:29:20.000000000
>> +0200
>> @@ -17,14 +17,15 @@
>> return pyamf.util.native_get_attrs(obj)
>>
>> attrs = {}
>> - for property in obj.__dict__:
>> - if property in sa_properties:
>> + mapper = obj._sa_class_manager.mapper
>> + for property in mapper.iterate_properties:
>> + if property.key in sa_properties:
>> continue
>>
>> - if property.startswith('__'):
>> + if property.key.startswith('__'):
>> continue
>>
>> - attrs[property] = getattr(obj, property)
>> + attrs[property.key] = getattr(obj, property.key)
>> return attrs
>>
>> def write_SA_collection(obj):
>> ----------->8------------- _sqlalchemy.patch --------------
>> >8---------------
>>
>> The reason for using object's mapper to iterate properties instead of
>> fetching object's __dict__ is because SQLAlchemy initially creates
>> _CompileOnAttr except if you manually call mapper's compile method.
>>
>> Expecting your comments,
>>
>> Cheers,
>>
>> Nikos.
>
>
>

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Re: SqlAlchemy Adapter

2008-09-19T01:04:21Z

On Sep 18, 2008, at 6:08 PM, Thijs Triemstra|Collab wrote:

Thanks guys.

Could one of you add this patch to the ticket #277 so mvtellingen can check it out?

Cheers,

Thijs

It is done. You can find the patch in: http://pyamf.org/attachment/ticket/277/pyamf-new-sqlalchemy-adapter.patch

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Re: SqlAlchemy Adapter

2008-09-18T09:08:43Z

Thanks guys.

Could one of you add this patch to the ticket #277 so mvtellingen can check it out?

Cheers,

Thijs

On 18 sep 2008, at 18:04, nikos@... wrote:

Hi Dave,

I had to make slight changes to your version of SQLAlchemy adapter to
return the correct results for my project. The patch is:

----------->8------------- _sqlalchemy.patch --------------
8---------------
--- /home/papagr/_sqlalchemy_old.py 2008-09-18 17:29:06.000000000 +0200
+++ /home/papagr/_sqlalchemy_new.py 2008-09-18 17:29:20.000000000 +0200
@@ -17,14 +17,15 @@
         return pyamf.util.native_get_attrs(obj)

     attrs = {}
-    for property in obj.__dict__:
-        if property in sa_properties:
+    mapper = obj._sa_class_manager.mapper
+    for property in mapper.iterate_properties:
+        if property.key in sa_properties:
             continue

-        if property.startswith('__'):
+        if property.key.startswith('__'):
             continue

-        attrs[property] = getattr(obj, property)
+        attrs[property.key] = getattr(obj, property.key)
     return attrs

def write_SA_collection(obj):
----------->8------------- _sqlalchemy.patch --------------
8---------------

The reason for using object's mapper to iterate properties instead of
fetching object's __dict__ is because SQLAlchemy initially creates
_CompileOnAttr except if you manually call mapper's compile method.

Expecting your comments,

Cheers,

Nikos.

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SqlAlchemy Adapter

2008-09-18T09:04:56Z

Hi Dave,

I had to make slight changes to your version of SQLAlchemy adapter to
return the correct results for my project. The patch is:

----------->8------------- _sqlalchemy.patch --------------
>8---------------
--- /home/papagr/_sqlalchemy_old.py 2008-09-18 17:29:06.000000000 +0200
+++ /home/papagr/_sqlalchemy_new.py 2008-09-18 17:29:20.000000000 +0200
@@ -17,14 +17,15 @@
return pyamf.util.native_get_attrs(obj)

attrs = {}
- for property in obj.__dict__:
- if property in sa_properties:
+ mapper = obj._sa_class_manager.mapper
+ for property in mapper.iterate_properties:
+ if property.key in sa_properties:
continue

- if property.startswith('__'):
+ if property.key.startswith('__'):
continue

- attrs[property] = getattr(obj, property)
+ attrs[property.key] = getattr(obj, property.key)
return attrs

def write_SA_collection(obj):
----------->8------------- _sqlalchemy.patch --------------
>8---------------

The reason for using object's mapper to iterate properties instead of
fetching object's __dict__ is because SQLAlchemy initially creates
_CompileOnAttr except if you manually call mapper's compile method.

Expecting your comments,

Cheers,

Nikos.

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Re: cPyAMF update

2008-09-11T19:22:41Z

The cpyamf branch was merged to the trunk today and a redicilous query (26k records) that used to take 20 secs to transfer went down to 14 secs, woo.

Cheers,

Thijs

On 27 aug 2008, at 23:31, Thijs Triemstra | Collab wrote:

hi,

Gerard very recently contributed a Python C extension for PyAMF, that could use a review. If you have a spare moment and know C, check it out and let us know what you think.

ticket: http://pyamf.org/ticket/225
branch: http://svn.pyamf.org/pyamf/branches/gerard-cpyamf-225

Thanks,

Thijs
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SqlAlchemy Adapter

2008-09-11T18:47:46Z

Hi,

I've been playing with the SQLAlchemy adapter, but I found that it was lacking
in a couple of ways. I coded my own, and it passes the tests. Here's the code:
what do you think?

"""
SQLAlchemy adapter (experimental!)

By Dave Thompson

@since: 0.4.0
"""
import sqlalchemy

import pyamf

sa_properties = ('_state', '_sa_instance_state', '_sa_class_manager')

def get_SA_attrs(obj):
"""Get attributes to be encoded for a SA object."""
if not is_SA_object(obj):
return pyamf.util.native_get_attrs(obj)

attrs = {}
for property in obj.__dict__:
if property in sa_properties:
continue

if property.startswith('__'):
continue

attrs[property] = getattr(obj, property)
return attrs

def write_SA_collection(obj):
"""Convert a SQLAlchemy collection to a native type."""
if isinstance(obj, sqlalchemy.orm.collections.InstrumentedList):
new_obj = []
new_obj.extend(obj)
return new_obj
if isinstance(obj, sqlalchemy.orm.collections.InstrumentedDict):
new_obj = {}
new_obj.update(obj)
return new_obj
if isinstance(obj, sqlalchemy.orm.collections.InstrumentedSet):
new_obj = Set()
new_obj.union(obj)
return new_obj

raise "Not a known SQLAlchemy collection type."

def is_SA_object(obj):
"""Detect if this object is a SQLAlchemy instance."""
if is_SA_collection(obj):
return False

for property in sa_properties:
if hasattr(obj, property):
return True

return False

def is_SA_collection(obj):
"""Detect if this object is a SQLAlchemy collection."""
if isinstance(obj, sqlalchemy.orm.collections.InstrumentedList):
return True
if isinstance(obj, sqlalchemy.orm.collections.InstrumentedSet):
return True
if isinstance(obj, sqlalchemy.orm.collections.InstrumentedDict):
return True
return False

# Replace this method with the adapter's
pyamf.util.native_get_attrs = pyamf.util.get_attrs
pyamf.util.get_attrs = get_SA_attrs
# turn collections into native objects
pyamf.add_type(is_SA_collection, write_SA_collection)

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cPyAMF update

2008-08-27T14:31:23Z

hi,

Gerard very recently contributed a Python C extension for PyAMF, that
could use a review. If you have a spare moment and know C, check it
out and let us know what you think.

ticket: http://pyamf.org/ticket/225
branch: http://svn.pyamf.org/pyamf/branches/gerard-cpyamf-225

Thanks,

Thijs

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Jython AMF gateway: coercing a java bufferedreader into a StringIO?

2008-07-30T14:59:47Z

Mariano,

It looks like PyAMF support on Jython is working reasonably well as of now: 19 unit test failures, most apparently bytestring permutations, assuming a forthcoming patch to PyAMF trunk to remove test_sol use of os.tempnam and going against the asm branch (basis of the 2.5 alphas); that's a fair amount of qualifications, but that's development!

StringIO expects to be fed with strings, either at construction or via write(). So it should be reasonably possible to do just that. Note that doesn't exactly play well with what BufferedReader is trying to do.

You might be making it too difficult for yourself. I'd recommend looking at modjy (http://www.xhaus.com/modjy/), which will shortly be a standard servlet wrapper for Jython. It supports the wsgi protocol, so any code you write would actually be portable between Python/Jython, not just with servlets.

If you have further questions, check out the jython-users mailing list, https://lists.sourceforge.net/lists/listinfo/jython-users

- Jim

--
Jim Baker
jbaker@...

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Re: Jython AMF gateway: coercing a java bufferedreader into a StringIO?

2008-07-30T14:15:38Z

Hi Mariano,

I've been following Jython since a while and we recently added a Jython buildslave (see http://buildbot.pyamf.org) that will run the tests on several platforms every time we commit a change in the repository. There's also a ticket for Jython/PyAMF integration on http://pyamf.org/ticket/269

Your question seems Jython related to me and you'd probably have more success there.

Thijs

On 28 jul 2008, at 19:58, Mariano wrote:

Hi, I'm working to build a Jython amf gateway to run as a java servlet. I've
started by porting the google app gateway to a servlet.

Is any of you working on such a thing? I'm wondering how to cast a Java
request object to a StringIO. I'can read the whole request into a string, or
passing a bufferedreader to remoting.decode, but neither seem to work.

How would you approach the problem?

Thanks

Mariano

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Jython AMF gateway: coercing a java bufferedreader into a StringIO?

2008-07-28T10:58:21Z

Hi, I'm working to build a Jython amf gateway to run as a java servlet. I've
started by porting the google app gateway to a servlet.

Is any of you working on such a thing? I'm wondering how to cast a Java
request object to a StringIO. I'can read the whole request into a string, or
passing a bufferedreader to remoting.decode, but neither seem to work.

How would you approach the problem?

Thanks

Mariano

Notice: This email message, together with any attachments, may contain information of BEA Systems, Inc., its subsidiaries and affiliated entities, that may be confidential, proprietary, copyrighted and/or legally privileged, and is intended solely for the use of the individual or entity named in this message. If you are not the intended recipient, and have received this message in error, please immediately return this by email and then delete it.
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Buildbot updates

2008-07-22T06:55:01Z

Hi,

the buildbot [1] has been updated to watch branches as well, so all
commits in pyamf/branches/* and pyamf/trunk/ will be automatically
tested against python 2.3/2.4/2.5/2.6 and jython 2.5.x.
Failing builds are now reported on the new 'builds' mailinglist [2].
We are still looking for a permanent windows buildslave! Check the
'join the buildfarm' section [3] for more info.

Cheers,

Thijs

[1] http://buildbot.pyamf.org
[2] http://lists.pyamf.org/mailman/listinfo/builds
[3] http://buildbot.pyamf.org/#Join

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Re: Import errors on Linux

2008-06-25T09:17:46Z

Hi Sharriff,

Im not sure which version of MYSQLDb it was because I think I did an
"easy_install" it happend with 0.3.1. I am not a PyAMF dev, so I do not
think I have the reíghts to open a tixket on this issue.

To create a new ticket you first need to register an account on http://pyamf.org/register

Also make sure to fill in your email address in the Preferences section for email notification.

thanks,

Thijs

Thijs Triemstra | Collab wrote:
Hi akira,

thanks for the report. What version of MySQLdb are you using? And does
the same problem occur with 0.3.1 or the trunk version?
Could you open a ticket on http://pyamf.org so we can track it?

Thanks,

Thijs

On 21 jun 2008, at 15:24, akira wrote:

Hi guys! Great work being done on PyAMF! Thanks. I have noticed some
warnings/ errors in the console lately:

/usr/lib/python2.5/site-packages/PyAMF-0.3-py2.5.egg/pyamf/adapters/__init__.py:36:

UserWarning: Module _mysql was already imported from
/var/lib/python-support/python2.5/_mysql.so, but
/var/lib/python-support/python2.5 is being added to sys.path

I use Ubuntu Hardy

Thanks

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------------------------------------------------------------------------

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Re: Import errors on Linux

2008-06-25T08:44:00Z

Hi Thijs!

Im not sure which version of MYSQLDb it was because I think I did an
"easy_install" it happend with 0.3.1. I am not a PyAMF dev, so I do not
think I have the reíghts to open a tixket on this issue.

Best regards

Sharriff
Thijs Triemstra | Collab wrote:

> Hi akira,
>
> thanks for the report. What version of MySQLdb are you using? And does
> the same problem occur with 0.3.1 or the trunk version?
> Could you open a ticket on http://pyamf.org so we can track it?
>
> Thanks,
>
> Thijs
>
> On 21 jun 2008, at 15:24, akira wrote:
>
>> Hi guys! Great work being done on PyAMF! Thanks. I have noticed some
>> warnings/ errors in the console lately:
>>
>> /usr/lib/python2.5/site-packages/PyAMF-0.3-py2.5.egg/pyamf/adapters/__init__.py:36:
>>
>> UserWarning: Module _mysql was already imported from
>> /var/lib/python-support/python2.5/_mysql.so, but
>> /var/lib/python-support/python2.5 is being added to sys.path
>>
>> I use Ubuntu Hardy
>>
>>
>> Thanks
>>
>>
>>
>>
>>
>> _______________________________________________
>> PyAMF dev mailing list - dev@... <mailto:dev@...>
>> http://lists.pyamf.org/mailman/listinfo/dev
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> PyAMF dev mailing list - dev@...
> http://lists.pyamf.org/mailman/listinfo/dev
>

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Re: Import errors on Linux

2008-06-24T04:18:25Z

Hi akira,

thanks for the report. What version of MySQLdb are you using? And does the same problem occur with 0.3.1 or the trunk version?

Could you open a ticket on http://pyamf.org so we can track it?

Thanks,

Thijs

On 21 jun 2008, at 15:24, akira wrote:

Hi guys! Great work being done on PyAMF! Thanks. I have noticed some
warnings/ errors in the console lately:

/usr/lib/python2.5/site-packages/PyAMF-0.3-py2.5.egg/pyamf/adapters/__init__.py:36:
UserWarning: Module _mysql was already imported from
/var/lib/python-support/python2.5/_mysql.so, but
/var/lib/python-support/python2.5 is being added to sys.path

I use Ubuntu Hardy

Thanks

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Import errors on Linux

2008-06-21T06:20:20Z

Hi guys! Great work being done on PyAMF! Thanks. I have noticed some
warnings/ errors in the console lately:

/usr/lib/python2.5/site-packages/PyAMF-0.3-py2.5.egg/pyamf/adapters/__init__.py:36:
UserWarning: Module _mysql was already imported from
/var/lib/python-support/python2.5/_mysql.so, but
/var/lib/python-support/python2.5 is being added to sys.path

I use Ubuntu Hardy

Thanks

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Re: PyAMF mailing list archives on Nabble

2008-06-11T03:03:44Z

Hi Marcel,

thanks for adding the PyAMF mailing lists to Nabble!

a) Maybe it's a good idea to place a link on

http://pyamf.org/wiki/MailingList

Done.

b) Currently new mailing list post will be archived automatically. To import

also the complete archive Nabble needs the archives in mbox format. Is it

possible to supply/download these?

sounds like a good idea. You can email me off-list if you want so we can take a look at this.

This is an effort to make the mailing list more accessable.

Thanks again,

Thijs

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PyAMF mailing list archives on Nabble

2008-06-09T04:03:11Z

Hi,

I created an archive of the PyAMF users and dev mailing list on Nabble: See http://www.nabble.com/PyAMF-f35503.html

With Nabble it's easier to post, serach and track discussions. Nabble is archiving a lot of open source project mailing lists.

a) Maybe it's a good idea to place a link on http://pyamf.org/wiki/MailingList

b) Currently new mailing list post will be archived automatically. To import also the complete archive Nabble needs the archives in mbox format. Is it possible to supply/download these?

This is an effort to make the mailing list more accessable.

Cheers,
Marcel

ANN: PyAMF 0.3.1 Released

2008-05-05T02:11:01Z

We're pleased to announce PyAMF 0.3.1, a lightweight library that
allows Flash and Python applications to communicate via Adobe's
ActionScript Message Format.
AMF3 and RemoteObject are supported in all the implemented Remoting
gateways, compatible with Django, Twisted, TurboGears2, Google App
Engine and any WSGI-compatible application.

This release provides improved support for Google App Engine and comes
with following changes and fixes:

- Google Model/Expando encoding now works out of the box
- Django model adapter now imported only when django.db.models is
imported (Ticket:261)
- Fixed issue with Remote Object destination (Ticket:270)
- Added a new gateway for the Google App Engine - see
pyamf.remoting.gateway.google.WebAppGateway (Ticket:253)
- amf0 Encoder now takes amf3 contexts into account (Ticket:268)
- amf*.encode helpers can now accept multiple arguments (Ticket:267)
- Removed the dependency of fpconst for Python 2.5 or newer (Ticket:
243)
- Solved issue with AMFPHP exceptions in AMF client (Ticket:258)
- Fixed issue with url parsing in AMF client (Ticket:256)
- Client no longer raises httplib.ResponseNotReady when making
multiple requests using the same RemotingService (Ticket:254)

Check out the download page [1], installation instructions [2] and
examples [3].
Questions? First stop is the mailing list [4], but we also hang out on
IRC [5].

Cheers,

- the PyAMF team

[1] http://pyamf.org/wiki/Download
[2] http://pyamf.org/wiki/Install
[3] http://pyamf.org/wiki/Examples
[4] http://pyamf.org/wiki/MailingList
[5] irc://irc.collab.eu/pyamf

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Re: Examples with Stackless Python Re: InlineCallback Friendly ?

2008-05-02T07:46:48Z

Hi Thijs:

--- Thijs Triemstra | Collab <lists@...> wrote:

> I went ahead and posted your first example on this
> page: http://pyamf.org/wiki/StacklessPythonTwisted

No problem. However give me a few days so I can write
a more substantial example - for instance the same
example but also making an additional call to say a
XML-RPC backend. This where Stackless really comes in
handy.

So you get something like

#use Christopher Armstrong's blockOn technique
def blockOn(self, deferred):
ch = stackless.channel()
def cb(result):
ch.send(result)
deferred.addBoth(cb)
return ch.receive()

def __echo__(self, request, deferred, y):
result = blockOn(aProxy.callRemote(....)
deferred.callback(result)

The pure Twisted example is more complex and way more
complex if you make more than one call - the callback
chain starts to become unruly.

Cheers,
Andrew

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