Python-сообщество

import win32file #модуль из pywin32
mailslot = win32file.CreateMailslot(r"\\.\mailslot\sample", 0, -1, None)
win32file.WriteFile(mailslot, "text", None)
mailslot.Close()

from ctypes import *

# ...

class NewtonBody(Structure):
   def __init__(self, pointer = 0):
      self.pointer = pointer   

# ...

class Newton:
   def __init__(self):
      self._cdll = CDLL('newton.dll')
      self.world = NewtonWorld()

# ...

   # NewtonBodySetForceAndTorqueCallback
   def bodySetForceAndTorqueCallback(self, body):
      CALLBACK = CFUNCTYPE(c_int, POINTER(NewtonBody), c_float, c_int)
      def callback(a, b, c):
         print '1'
         return 0
      self._cdll.NewtonBodySetForceAndTorqueCallback(body.pointer, CALLBACK(callback))
      return None

Traceback (most recent call last):
  File "Newton.py", line 119, in <module>
    newton.update(10.5)
  File "Newton.py", line 42, in update
    self._cdll.NewtonUpdate(self.world.pointer, c_float(timestep))
WindowsError: exception: access violation reading 0x3C888899

typedef void (*NewtonApplyForceAndTorque) (const NewtonBody* body, dFloat timestep, int threadIndex);

// ...

NEWTON_API void  NewtonBodySetForceAndTorqueCallback (const NewtonBody* body, NewtonApplyForceAndTorque callback);

bytes = QByteArray()
buffer = QBuffer( bytes )
photo = QPixmap()
photo.load( filename )
buffer.open( QIODevice.WriteOnly )
photo.save( buffer, "PNG" )
self.formsModel.record( row ).setValue( "pict", QVariant( bytes ) )

bytes = QByteArray()
buffer = QBuffer( bytes )
photo = QPixmap()
photo.load( filename )
buffer.open( QIODevice.WriteOnly )
photo.save( buffer, "PNG" )
query = QSqlQuery()
query.prepare( "UPDATE forms SET Pict = :p WHERE Id = :fid" )
query.bindValue( ":p", QVariant( bytes ) )
query.bindValue( ":p", QVariant( formId ) )
query.exec_()

class UserPhoneOther(models.Model):
    user = models.ForeignKey(User, unique=False)
    phone = models.CharField(u'Телефон доп.', max_length=30)

    def __unicode__(self):
        return u'%s' % self.phone

 
id    user_id    phone
1    1             123456
2    1             567890

UserPhoneOtherFormSet = modelformset_factory(UserPhoneOther, exclude=('user',), extra=0)
fuserphoneother = UserPhoneOtherFormSet(queryset=UserPhoneOther.objects.filter(user=curuser))

{{ fuserphoneother.as_table }}

class Subject(models.Model):
    name = models.CharField(max_length=200)


class Referat(models.Model):
    subject = models.ForeignKey(Subject)
    name = models.CharField(max_length=600)
    filename = models.FileField(upload_to='tmp', max_length=200)
    dowloaded_times = models.IntegerField()