from base import Enum, BaseSettings
from PySide.QtCore import Signal, QObject
ControlType = Enum()
ControlType.Combo = 1
ControlType.Slider = 2
ControlType.Button = 3
ControlType.Static = 4
ControlType.LineEdit = 5
ControlType.Checkbox = 6
ControlType.TwinButton = 7
ImageDataFormat = Enum()
ImageDataFormat.JPEG = 1
class AbstractException(Exception):
pass
def abstract(f):
""" Decorator for abstract methods """
def raiser(*args,**kargs):
raise AbstractException('Abstract function must be overridden by a child class before being called')
return raiser
class Info(object):
import log import base if False: # This is here to persuade distribution tools that we're dependant on these packages from .canonpsrec import wrapper from .wia import wrapper from .libgphoto2 import wrapper from .directory import wrapper from .chdk import wrapper backends = ['libgphoto2','directory','canonpsrec','wia','chdk'] APIState = Enum() #: ENUM holding the current state of a backend API APIState.Opened = 1 APIState.Imported = 2 APIState.NotSupported = 3 APIState.ImportError = 4 APIState.OpenError = 5 class APITracingWrapper(log.TracingWrapper): def __init__(self,*args,**kargs): log.TracingWrapper.__init__(self,*args,**kargs) self.__dict__['_trace_cameras'] = None def getCameras(self):
import types
import log
import base
if False:
# This is here to persuade distribution tools that we're dependant on these packages
from .canonpsrec import wrapper
from .wia import wrapper
from .libgphoto2 import wrapper
from .directory import wrapper
from .chdk import wrapper
backends = ['libgphoto2', 'directory', 'canonpsrec', 'wia', 'chdk']
APIState = Enum() #: ENUM holding the current state of a backend API
APIState.Opened = 1
APIState.Imported = 2
APIState.NotSupported = 3
APIState.ImportError = 4
APIState.OpenError = 5
class APITracingWrapper(log.TracingWrapper):
def __init__(self, *args, **kargs):
log.TracingWrapper.__init__(self, *args, **kargs)
self.__dict__['_trace_cameras'] = None
def getCameras(self):
if not self._trace_cameras:
"""
Wrap the API in the standard API interface
The rest of the files here define a fully featured manufacturer's API while this file wraps it in a simplified generic interface
"""
from .. import interface
from base import Enum
import importlib
import os.path
import platform
import win32com.client.gencache
import pythoncom
WIAAPIMode = Enum()
WIAAPIMode.Tethered = 1 #: Shoot tethered
WIAAPIMode.Manual = 2 #: Shoot manually and use WIA events to detect new images and transfer them
WIAAPIMode.ManualScan = 3 #: Shoot manually and poll for new image in a particular path on the WIA device
wia = win32com.client.constants #: shortcut for WIA constants
CFG_WIA_DEVICE_IMAGE_PATH = [
'DCIM', 'Camera'
] #: This would used if we ever need to implement ManualScan mode in which case it should be user-configurable on a per-camera basis
class API(interface.API):
"""
A standard API wrapper class around the WIA API
from base import Enum, BaseSettings
from PySide.QtCore import Signal, QObject
ControlType = Enum()
ControlType.Combo = 1
ControlType.Slider = 2
ControlType.Button = 3
ControlType.Static = 4
ControlType.LineEdit = 5
ControlType.Checkbox = 6
ControlType.TwinButton = 7
ImageDataFormat = Enum()
ImageDataFormat.JPEG = 1
class AbstractException(Exception):
pass
def abstract(f):
""" Decorator for abstract methods """
def raiser(*args, **kargs):
raise AbstractException(
'Abstract function must be overridden by a child class before being called'
)
return raiser
