def DoSaveValue(self, obj, keyName, value):
"""
Method used by the persistent objects to save the data.
By default this method simply use :class:`FileConfig` but this behaviour may be
overridden by passing a custom configuration handler in the :class:`PersistenceManager`
constructor.
:param `obj`: an instance of :class:`PersistentObject`;
:param `keyName`: a string specifying the key name;
:param `value`: the value to store in the configuration file.
"""
kind = repr(value.__class__).split("'")[1]
if self._customConfigHandler is not None:
result = self._customConfigHandler.SaveValue(
self.GetKey(obj, keyName), repr((kind, six.text_type(value))))
else:
config = self.GetPersistenceFile()
result = config.Write(self.GetKey(obj, keyName),
repr((kind, six.text_type(value))))
config.Flush()
return result
def getFullName(self, item, partial=''):
"""Return a syntactically proper name for item."""
name = self.GetItemText(item)
parent = None
obj = None
if item != self.root:
parent = self.GetItemParent(item)
obj = self.GetItemData(parent)
# Apply dictionary syntax to dictionary items, except the root
# and first level children of a namepace.
if ((isinstance(obj, dict)
or 'BTrees' in six.text_type(type(obj))
and hasattr(obj, 'keys'))
and ((item != self.root and parent != self.root)
or (parent == self.root and not self.rootIsNamespace))):
name = '[' + name + ']'
# Apply dot syntax to multipart names.
if partial:
if partial[0] == '[':
name += partial
else:
name += '.' + partial
# Repeat for everything but the root item
# and first level children of a namespace.
if (item != self.root and parent != self.root) \
or (parent == self.root and not self.rootIsNamespace):
name = self.getFullName(parent, partial=name)
return name
def getFullName(self, item, partial=''):
"""Return a syntactically proper name for item."""
name = self.GetItemText(item)
parent = None
obj = None
if item != self.root:
parent = self.GetItemParent(item)
obj = self.GetItemData(parent)
# Apply dictionary syntax to dictionary items, except the root
# and first level children of a namepace.
if ((isinstance(obj, dict)
or 'BTrees' in six.text_type(type(obj)) and hasattr(obj, 'keys'))
and ((item != self.root and parent != self.root) or
(parent == self.root and not self.rootIsNamespace))):
name = '[' + name + ']'
# Apply dot syntax to multipart names.
if partial:
if partial[0] == '[':
name += partial
else:
name += '.' + partial
# Repeat for everything but the root item
# and first level children of a namespace.
if (item != self.root and parent != self.root) \
or (parent == self.root and not self.rootIsNamespace):
name = self.getFullName(parent, partial=name)
return name
def display(self):
item = self.item
if not item:
return
if self.IsExpanded(item):
self.addChildren(item)
self.setText('')
obj = self.GetItemData(item)
if wx.Platform == '__WXMSW__':
if obj is None: # Windows bug fix.
return
self.SetItemHasChildren(item, self.objHasChildren(obj))
otype = type(obj)
text = ''
text += self.getFullName(item)
text += '\n\nType: ' + six.text_type(otype)
try:
value = six.text_type(obj)
except Exception:
value = ''
if isinstance(obj, six.string_types):
value = repr(obj)
text += u'\n\nValue: ' + value
if otype not in SIMPLETYPES:
try:
text += '\n\nDocstring:\n\n"""' + \
inspect.getdoc(obj).strip() + '"""'
except Exception:
pass
if isinstance(obj, six.class_types):
try:
text += '\n\nClass Definition:\n\n' + \
inspect.getsource(obj.__class__)
except Exception:
pass
else:
try:
text += '\n\nSource Code:\n\n' + \
inspect.getsource(obj)
except Exception:
pass
self.setText(text)
def display(self):
item = self.item
if not item:
return
if self.IsExpanded(item):
self.addChildren(item)
self.setText('')
obj = self.GetItemData(item)
if wx.Platform == '__WXMSW__':
if obj is None: # Windows bug fix.
return
self.SetItemHasChildren(item, self.objHasChildren(obj))
otype = type(obj)
text = ''
text += self.getFullName(item)
text += '\n\nType: ' + six.text_type(otype)
try:
value = six.text_type(obj)
except Exception:
value = ''
if isinstance(obj, six.string_types):
value = repr(obj)
text += u'\n\nValue: ' + value
if otype not in SIMPLETYPES:
try:
text += '\n\nDocstring:\n\n"""' + \
inspect.getdoc(obj).strip() + '"""'
except Exception:
pass
if isinstance(obj, six.class_types):
try:
text += '\n\nClass Definition:\n\n' + \
inspect.getsource(obj.__class__)
except Exception:
pass
else:
try:
text += '\n\nSource Code:\n\n' + \
inspect.getsource(obj)
except Exception:
pass
self.setText(text)
def addChildren(self, item):
self.DeleteChildren(item)
obj = self.GetItemData(item)
children = self.objGetChildren(obj)
if not children:
return
keys = sorted(children.keys(), key=lambda x: six.text_type(x).lower())
for key in keys:
itemtext = six.text_type(key)
# Show string dictionary items with single quotes, except
# for the first level of items, if they represent a
# namespace.
if isinstance(obj, dict) \
and isinstance(key, six.string_types) \
and (item != self.root
or (item == self.root and not self.rootIsNamespace)):
itemtext = repr(key)
child = children[key]
branch = self.AppendItem(parent=item, text=itemtext, data=child)
self.SetItemHasChildren(branch, self.objHasChildren(child))
def addChildren(self, item):
self.DeleteChildren(item)
obj = self.GetItemData(item)
children = self.objGetChildren(obj)
if not children:
return
keys = sorted(children.keys(), key=lambda x: six.text_type(x).lower())
for key in keys:
itemtext = six.text_type(key)
# Show string dictionary items with single quotes, except
# for the first level of items, if they represent a
# namespace.
if isinstance(obj, dict) \
and isinstance(key, six.string_types) \
and (item != self.root
or (item == self.root and not self.rootIsNamespace)):
itemtext = repr(key)
child = children[key]
branch = self.AppendItem(parent=item, text=itemtext, data=child)
self.SetItemHasChildren(branch, self.objHasChildren(child))
def objGetChildren(self, obj):
"""Return dictionary with attributes or contents of object."""
busy = wx.BusyCursor()
otype = type(obj)
if (isinstance(obj, dict)
or 'BTrees' in six.text_type(otype) and hasattr(obj, 'keys')):
return obj
d = {}
if isinstance(obj, (list, tuple)):
for n in range(len(obj)):
key = '[' + six.text_type(n) + ']'
d[key] = obj[n]
if otype not in COMMONTYPES:
for key in introspect.getAttributeNames(obj):
# Believe it or not, some attributes can disappear,
# such as the exc_traceback attribute of the sys
# module. So this is nested in a try block.
try:
d[key] = getattr(obj, key)
except Exception:
pass
return d
def objGetChildren(self, obj):
"""Return dictionary with attributes or contents of object."""
busy = wx.BusyCursor()
otype = type(obj)
if (isinstance(obj, dict)
or 'BTrees' in six.text_type(otype)
and hasattr(obj, 'keys')):
return obj
d = {}
if isinstance(obj, (list, tuple)):
for n in range(len(obj)):
key = '[' + six.text_type(n) + ']'
d[key] = obj[n]
if otype not in COMMONTYPES:
for key in introspect.getAttributeNames(obj):
# Believe it or not, some attributes can disappear,
# such as the exc_traceback attribute of the sys
# module. So this is nested in a try block.
try:
d[key] = getattr(obj, key)
except Exception:
pass
return d
def DoSaveValue(self, obj, keyName, value):
"""
Method used by the persistent objects to save the data.
By default this method simply use :class:`FileConfig` but this behaviour may be
overridden by passing a custom configuration handler in the :class:`PersistenceManager`
constructor.
:param `obj`: an instance of :class:`PersistentObject`;
:param `keyName`: a string specifying the key name;
:param `value`: the value to store in the configuration file.
"""
kind = repr(value.__class__).split("'")[1]
if self._customConfigHandler is not None:
result = self._customConfigHandler.SaveValue(self.GetKey(obj, keyName), repr((kind, six.text_type(value))))
else:
config = self.GetPersistenceFile()
result = config.Write(self.GetKey(obj, keyName), repr((kind, six.text_type(value))))
config.Flush()
return result
