+#!/usr/bin/env python
+
+import contextlib
import logging
import qt_compat
callback(result)
except Exception:
_moduleLogger.exception("Callback errored")
+
+
+def create_single_column_list_model(columnName, **kwargs):
+ """
+ >>> class Single(object): pass
+ >>> SingleListModel = create_single_column_list_model("s")
+ >>> slm = SingleListModel([Single(), Single(), Single()])
+ """
+
+ class SingleColumnListModel(QtCore.QAbstractListModel):
+
+ def __init__(self, l = None):
+ QtCore.QAbstractListModel.__init__(self)
+ self._list = l if l is not None else []
+ self.setRoleNames({0: columnName})
+
+ def __len__(self):
+ return len(self._list)
+
+ def __getitem__(self, key):
+ return self._list[key]
+
+ def __setitem__(self, key, value):
+ with scoped_model_reset(self):
+ self._list[key] = value
+
+ def __delitem__(self, key):
+ with scoped_model_reset(self):
+ del self._list[key]
+
+ def __iter__(self):
+ return iter(self._list)
+
+ def __repr__(self):
+ return '<%s (%s)>' % (
+ self.__class__.__name__,
+ columnName,
+ )
+
+ def rowCount(self, parent=QtCore.QModelIndex()):
+ return len(self._list)
+
+ def data(self, index, role):
+ if index.isValid() and role == 0:
+ return self._list[index.row()]
+ return None
+
+ if "name" in kwargs:
+ SingleColumnListModel.__name__ = kwargs["name"]
+
+ return SingleColumnListModel
+
+
+def create_tupled_list_model(*columnNames, **kwargs):
+ """
+ >>> class Column0(object): pass
+ >>> class Column1(object): pass
+ >>> class Column2(object): pass
+ >>> MultiColumnedListModel = create_tupled_list_model("c0", "c1", "c2")
+ >>> mclm = MultiColumnedListModel([(Column0(), Column1(), Column2())])
+ """
+
+ class TupledListModel(QtCore.QAbstractListModel):
+
+ def __init__(self, l = None):
+ QtCore.QAbstractListModel.__init__(self)
+ self._list = l if l is not None else []
+ self.setRoleNames(dict(enumerate(columnNames)))
+
+ def __len__(self):
+ return len(self._list)
+
+ def __getitem__(self, key):
+ return self._list[key]
+
+ def __setitem__(self, key, value):
+ with scoped_model_reset(self):
+ self._list[key] = value
+
+ def __delitem__(self, key):
+ with scoped_model_reset(self):
+ del self._list[key]
+
+ def __iter__(self):
+ return iter(self._list)
+
+ def __repr__(self):
+ return '<%s (%s)>' % (
+ self.__class__.__name__,
+ ', '.join(columnNames),
+ )
+
+ def rowCount(self, parent=QtCore.QModelIndex()):
+ return len(self._list)
+
+ def data(self, index, role):
+ if index.isValid() and 0 <= role and role < len(columnNames):
+ return self._list[index.row()][role]
+ return None
+
+ if "name" in kwargs:
+ TupledListModel.__name__ = kwargs["name"]
+
+ return TupledListModel
+
+
+class FileSystemModel(QtCore.QAbstractListModel):
+ """
+ Wrapper around QtGui.QFileSystemModel
+ """
+
+ FILEINFOS = [
+ "fileName",
+ "isDir",
+ "filePath",
+ "completeSuffix",
+ "baseName",
+ ]
+
+ EXTINFOS = [
+ "type",
+ ]
+
+ ALLINFOS = FILEINFOS + EXTINFOS
+
+ def __init__(self, model, path):
+ QtCore.QAbstractListModel.__init__(self)
+ self._path = path
+
+ self._model = model
+ self._rootIndex = self._model.index(self._path)
+
+ self._child = None
+ self.setRoleNames(dict(enumerate(self.ALLINFOS)))
+ self._model.directoryLoaded.connect(self._on_directory_loaded)
+
+ childChanged = qt_compat.Signal(QtCore.QObject)
+
+ def _child(self):
+ assert self._child is not None
+ return self._child
+
+ child = qt_compat.Property(QtCore.QObject, _child, notify=childChanged)
+
+ backendChanged = qt_compat.Signal()
+
+ def _parent(self):
+ finfo = self._model.fileInfo(self._rootIndex)
+ return finfo.fileName()
+
+ parent = qt_compat.Property(str, _parent, notify=backendChanged)
+
+ @qt_compat.Slot(str)
+ def browse_to(self, path):
+ if self._child is None:
+ self._child = FileSystemModel(self._model, path)
+ else:
+ self._child.switch_to(path)
+ self.childChanged.emit()
+ return self._child
+
+ @qt_compat.Slot(str)
+ def switch_to(self, path):
+ with scoped_model_reset(self):
+ self._path = path
+ self._rootIndex = self._model.index(self._path)
+ self.backendChanged.emit()
+
+ def __len__(self):
+ return self._model.rowCount(self._rootIndex)
+
+ def __getitem__(self, key):
+ return self._model.index(key, 0, self._rootIndex)
+
+ def __iter__(self):
+ return (self[i] for i in xrange(len(self)))
+
+ def rowCount(self, parent=QtCore.QModelIndex()):
+ return len(self)
+
+ def data(self, index, role):
+ if index.isValid() and 0 <= role and role < len(self.ALLINFOS):
+ internalIndex = self._translate_index(index)
+ info = self._model.fileInfo(internalIndex)
+ if role < len(self.FILEINFOS):
+ field = self.FILEINFOS[role]
+ value = getattr(info, field)()
+ else:
+ role -= len(self.FILEINFOS)
+ field = self.EXTINFOS[role]
+ if field == "type":
+ return self._model.type(internalIndex)
+ else:
+ raise NotImplementedError("Out of range that was already checked")
+ return value
+ return None
+
+ def _on_directory_loaded(self, path):
+ if self._path == path:
+ self.backendChanged.emit()
+ self.reset()
+
+ def _translate_index(self, externalIndex):
+ internalIndex = self._model.index(externalIndex.row(), 0, self._rootIndex)
+ return internalIndex
+
+
+@contextlib.contextmanager
+def scoped_model_reset(model):
+ model.beginResetModel()
+ try:
+ yield
+ finally:
+ model.endResetModel()
+
+
+def create_qobject(*classDef, **kwargs):
+ """
+ >>> Car = create_qobject(
+ ... ('model', str),
+ ... ('brand', str),
+ ... ('year', int),
+ ... ('inStock', bool),
+ ... name='Car'
+ ... )
+ >>> print Car
+ <class '__main__.AutoQObject'>
+ >>>
+ >>> c = Car(model='Fiesta', brand='Ford', year=1337)
+ >>> print c.model, c.brand, c.year, c.inStock
+ Fiesta Ford 1337 False
+ >>> print c
+ <Car (model='Fiesta', brand='Ford', year=1337, inStock=False)>
+ >>>
+ >>> c.inStock = True
+ >>>
+ >>> print c.model, c.brand, c.year, c.inStock
+ Fiesta Ford 1337 True
+ >>> print c
+ <Car (model='Fiesta', brand='Ford', year=1337, inStock=True)>
+ """
+
+ class AutoQObject(QtCore.QObject):
+
+ def __init__(self, **initKwargs):
+ QtCore.QObject.__init__(self)
+ for key, val in classDef:
+ setattr(self, '_'+key, initKwargs.get(key, val()))
+
+ def __repr__(self):
+ values = (
+ '%s=%r' % (key, getattr(self, '_'+key))
+ for key, value in classDef
+ )
+ return '<%s (%s)>' % (
+ kwargs.get('name', self.__class__.__name__),
+ ', '.join(values),
+ )
+
+ for key, value in classDef:
+ nfy = locals()['_nfy_'+key] = qt_compat.Signal()
+
+ def _get(key):
+ def f(self):
+ return self.__dict__['_'+key]
+ return f
+
+ def _set(key):
+ def f(self, value):
+ setattr(self, '_'+key, value)
+ getattr(self, '_nfy_'+key).emit()
+ return f
+
+ setter = locals()['_set_'+key] = _set(key)
+ getter = locals()['_get_'+key] = _get(key)
+
+ locals()[key] = qt_compat.Property(value, getter, setter, notify=nfy)
+ del nfy, _get, _set, getter, setter
+
+ return AutoQObject
+
+
+class QObjectProxy(object):
+ """
+ Proxy for accessing properties and slots as attributes
+
+ This class acts as a proxy for the object for which it is
+ created, and makes property access more Pythonic while
+ still allowing access to slots (as member functions).
+
+ Attribute names starting with '_' are not proxied.
+ """
+
+ def __init__(self, rootObject):
+ self._rootObject = rootObject
+ m = self._rootObject.metaObject()
+ self._properties = [
+ m.property(i).name()
+ for i in xrange(m.propertyCount())
+ ]
+
+ def __getattr__(self, key):
+ value = self._rootObject.property(key)
+
+ # No such property, so assume we call a slot
+ if value is None and key not in self._properties:
+ return getattr(self._rootObject, key)
+
+ return value
+
+ def __setattr__(self, key, value):
+ if key.startswith('_'):
+ object.__setattr__(self, key, value)
+ else:
+ self._rootObject.setProperty(key, value)
+
+
+if __name__ == "__main__":
+ import doctest
+ print doctest.testmod()
projects / gc-dialer / blobdiff