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# Regedit - a Registry Editor for Python
import commctrl
import regutil
import win32api
import win32con
import win32ui
from pywin.mfc import dialog, docview, window
from . import hierlist
def SafeApply(fn, args, err_desc=""):
try:
fn(*args)
return 1
except win32api.error as exc:
msg = "Error " + err_desc + "\r\n\r\n" + exc.strerror
win32ui.MessageBox(msg)
return 0
class SplitterFrame(window.MDIChildWnd):
def __init__(self):
# call base CreateFrame
self.images = None
window.MDIChildWnd.__init__(self)
def OnCreateClient(self, cp, context):
splitter = win32ui.CreateSplitter()
doc = context.doc
frame_rect = self.GetWindowRect()
size = ((frame_rect[2] - frame_rect[0]), (frame_rect[3] - frame_rect[1]) // 2)
sub_size = (size[0] // 3, size[1])
splitter.CreateStatic(self, 1, 2)
# CTreeControl view
self.keysview = RegistryTreeView(doc)
# CListControl view
self.valuesview = RegistryValueView(doc)
splitter.CreatePane(self.keysview, 0, 0, (sub_size))
splitter.CreatePane(self.valuesview, 0, 1, (0, 0)) # size ignored.
splitter.SetRowInfo(0, size[1], 0)
# Setup items in the imagelist
return 1
def OnItemDoubleClick(self, info, extra):
(hwndFrom, idFrom, code) = info
if idFrom == win32ui.AFX_IDW_PANE_FIRST:
# Tree control
return None
elif idFrom == win32ui.AFX_IDW_PANE_FIRST + 1:
item = self.keysview.SelectedItem()
self.valuesview.EditValue(item)
return 0
# List control
else:
return None # Pass it on
def PerformItemSelected(self, item):
return self.valuesview.UpdateForRegItem(item)
def OnDestroy(self, msg):
window.MDIChildWnd.OnDestroy(self, msg)
if self.images:
self.images.DeleteImageList()
self.images = None
class RegistryTreeView(docview.TreeView):
def OnInitialUpdate(self):
rc = self._obj_.OnInitialUpdate()
self.frame = self.GetParent().GetParent()
self.hierList = hierlist.HierListWithItems(
self.GetHLIRoot(), win32ui.IDB_HIERFOLDERS, win32ui.AFX_IDW_PANE_FIRST
)
self.hierList.HierInit(self.frame, self.GetTreeCtrl())
self.hierList.SetStyle(
commctrl.TVS_HASLINES | commctrl.TVS_LINESATROOT | commctrl.TVS_HASBUTTONS
)
self.hierList.PerformItemSelected = self.PerformItemSelected
self.frame.HookNotify(self.frame.OnItemDoubleClick, commctrl.NM_DBLCLK)
self.frame.HookNotify(self.OnItemRightClick, commctrl.NM_RCLICK)
# self.HookMessage(self.OnItemRightClick, win32con.WM_RBUTTONUP)
def GetHLIRoot(self):
doc = self.GetDocument()
regroot = doc.root
subkey = doc.subkey
return HLIRegistryKey(regroot, subkey, "Root")
def OnItemRightClick(self, notify_data, extra):
# First select the item we right-clicked on.
pt = self.ScreenToClient(win32api.GetCursorPos())
flags, hItem = self.HitTest(pt)
if hItem == 0 or commctrl.TVHT_ONITEM & flags == 0:
return None
self.Select(hItem, commctrl.TVGN_CARET)
menu = win32ui.CreatePopupMenu()
menu.AppendMenu(win32con.MF_STRING | win32con.MF_ENABLED, 1000, "Add Key")
menu.AppendMenu(win32con.MF_STRING | win32con.MF_ENABLED, 1001, "Add Value")
menu.AppendMenu(win32con.MF_STRING | win32con.MF_ENABLED, 1002, "Delete Key")
self.HookCommand(self.OnAddKey, 1000)
self.HookCommand(self.OnAddValue, 1001)
self.HookCommand(self.OnDeleteKey, 1002)
menu.TrackPopupMenu(win32api.GetCursorPos()) # track at mouse position.
return None
def OnDeleteKey(self, command, code):
hitem = self.hierList.GetSelectedItem()
item = self.hierList.ItemFromHandle(hitem)
msg = "Are you sure you wish to delete the key '%s'?" % (item.keyName,)
id = win32ui.MessageBox(msg, None, win32con.MB_YESNO)
if id != win32con.IDYES:
return
if SafeApply(
win32api.RegDeleteKey, (item.keyRoot, item.keyName), "deleting registry key"
):
# Get the items parent.
try:
hparent = self.GetParentItem(hitem)
except win32ui.error:
hparent = None
self.hierList.Refresh(hparent)
def OnAddKey(self, command, code):
from pywin.mfc import dialog
val = dialog.GetSimpleInput("New key name", "", "Add new key")
if val is None:
return # cancelled.
hitem = self.hierList.GetSelectedItem()
item = self.hierList.ItemFromHandle(hitem)
if SafeApply(win32api.RegCreateKey, (item.keyRoot, item.keyName + "\\" + val)):
self.hierList.Refresh(hitem)
def OnAddValue(self, command, code):
from pywin.mfc import dialog
val = dialog.GetSimpleInput("New value", "", "Add new value")
if val is None:
return # cancelled.
hitem = self.hierList.GetSelectedItem()
item = self.hierList.ItemFromHandle(hitem)
if SafeApply(
win32api.RegSetValue, (item.keyRoot, item.keyName, win32con.REG_SZ, val)
):
# Simply re-select the current item to refresh the right spitter.
self.PerformItemSelected(item)
# self.Select(hitem, commctrl.TVGN_CARET)
def PerformItemSelected(self, item):
return self.frame.PerformItemSelected(item)
def SelectedItem(self):
return self.hierList.ItemFromHandle(self.hierList.GetSelectedItem())
def SearchSelectedItem(self):
handle = self.hierList.GetChildItem(0)
while 1:
# print "State is", self.hierList.GetItemState(handle, -1)
if self.hierList.GetItemState(handle, commctrl.TVIS_SELECTED):
# print "Item is ", self.hierList.ItemFromHandle(handle)
return self.hierList.ItemFromHandle(handle)
handle = self.hierList.GetNextSiblingItem(handle)
class RegistryValueView(docview.ListView):
def OnInitialUpdate(self):
hwnd = self._obj_.GetSafeHwnd()
style = win32api.GetWindowLong(hwnd, win32con.GWL_STYLE)
win32api.SetWindowLong(
hwnd,
win32con.GWL_STYLE,
(style & ~commctrl.LVS_TYPEMASK) | commctrl.LVS_REPORT,
)
itemDetails = (commctrl.LVCFMT_LEFT, 100, "Name", 0)
self.InsertColumn(0, itemDetails)
itemDetails = (commctrl.LVCFMT_LEFT, 500, "Data", 0)
self.InsertColumn(1, itemDetails)
def UpdateForRegItem(self, item):
self.DeleteAllItems()
hkey = win32api.RegOpenKey(item.keyRoot, item.keyName)
try:
valNum = 0
ret = []
while 1:
try:
res = win32api.RegEnumValue(hkey, valNum)
except win32api.error:
break
name = res[0]
if not name:
name = "(Default)"
self.InsertItem(valNum, name)
self.SetItemText(valNum, 1, str(res[1]))
valNum = valNum + 1
finally:
win32api.RegCloseKey(hkey)
def EditValue(self, item):
# Edit the current value
class EditDialog(dialog.Dialog):
def __init__(self, item):
self.item = item
dialog.Dialog.__init__(self, win32ui.IDD_LARGE_EDIT)
def OnInitDialog(self):
self.SetWindowText("Enter new value")
self.GetDlgItem(win32con.IDCANCEL).ShowWindow(win32con.SW_SHOW)
self.edit = self.GetDlgItem(win32ui.IDC_EDIT1)
# Modify the edit windows style
style = win32api.GetWindowLong(
self.edit.GetSafeHwnd(), win32con.GWL_STYLE
)
style = style & (~win32con.ES_WANTRETURN)
win32api.SetWindowLong(
self.edit.GetSafeHwnd(), win32con.GWL_STYLE, style
)
self.edit.SetWindowText(str(self.item))
self.edit.SetSel(-1)
return dialog.Dialog.OnInitDialog(self)
def OnDestroy(self, msg):
self.newvalue = self.edit.GetWindowText()
try:
index = self.GetNextItem(-1, commctrl.LVNI_SELECTED)
except win32ui.error:
return # No item selected.
if index == 0:
keyVal = ""
else:
keyVal = self.GetItemText(index, 0)
# Query for a new value.
try:
newVal = self.GetItemsCurrentValue(item, keyVal)
except TypeError as details:
win32ui.MessageBox(details)
return
d = EditDialog(newVal)
if d.DoModal() == win32con.IDOK:
try:
self.SetItemsCurrentValue(item, keyVal, d.newvalue)
except win32api.error as exc:
win32ui.MessageBox("Error setting value\r\n\n%s" % exc.strerror)
self.UpdateForRegItem(item)
def GetItemsCurrentValue(self, item, valueName):
hkey = win32api.RegOpenKey(item.keyRoot, item.keyName)
try:
val, type = win32api.RegQueryValueEx(hkey, valueName)
if type != win32con.REG_SZ:
raise TypeError("Only strings can be edited")
return val
finally:
win32api.RegCloseKey(hkey)
def SetItemsCurrentValue(self, item, valueName, value):
# ** Assumes already checked is a string.
hkey = win32api.RegOpenKey(
item.keyRoot, item.keyName, 0, win32con.KEY_SET_VALUE
)
try:
win32api.RegSetValueEx(hkey, valueName, 0, win32con.REG_SZ, value)
finally:
win32api.RegCloseKey(hkey)
class RegTemplate(docview.DocTemplate):
def __init__(self):
docview.DocTemplate.__init__(
self, win32ui.IDR_PYTHONTYPE, None, SplitterFrame, None
)
# def InitialUpdateFrame(self, frame, doc, makeVisible=1):
# self._obj_.InitialUpdateFrame(frame, doc, makeVisible) # call default handler.
# frame.InitialUpdateFrame(doc, makeVisible)
def OpenRegistryKey(
self, root=None, subkey=None
): # Use this instead of OpenDocumentFile.
# Look for existing open document
if root is None:
root = regutil.GetRootKey()
if subkey is None:
subkey = regutil.BuildDefaultPythonKey()
for doc in self.GetDocumentList():
if doc.root == root and doc.subkey == subkey:
doc.GetFirstView().ActivateFrame()
return doc
# not found - new one.
doc = RegDocument(self, root, subkey)
frame = self.CreateNewFrame(doc)
doc.OnNewDocument()
self.InitialUpdateFrame(frame, doc, 1)
return doc
class RegDocument(docview.Document):
def __init__(self, template, root, subkey):
docview.Document.__init__(self, template)
self.root = root
self.subkey = subkey
self.SetTitle("Registry Editor: " + subkey)
def OnOpenDocument(self, name):
raise TypeError("This template can not open files")
return 0
class HLIRegistryKey(hierlist.HierListItem):
def __init__(self, keyRoot, keyName, userName):
self.keyRoot = keyRoot
self.keyName = keyName
self.userName = userName
hierlist.HierListItem.__init__(self)
def __lt__(self, other):
return self.name < other.name
def __eq__(self, other):
return (
self.keyRoot == other.keyRoot
and self.keyName == other.keyName
and self.userName == other.userName
)
def __repr__(self):
return "<%s with root=%s, key=%s>" % (
self.__class__.__name__,
self.keyRoot,
self.keyName,
)
def GetText(self):
return self.userName
def IsExpandable(self):
# All keys are expandable, even if they currently have zero children.
return 1
## hkey = win32api.RegOpenKey(self.keyRoot, self.keyName)
## try:
## keys, vals, dt = win32api.RegQueryInfoKey(hkey)
## return (keys>0)
## finally:
## win32api.RegCloseKey(hkey)
def GetSubList(self):
hkey = win32api.RegOpenKey(self.keyRoot, self.keyName)
win32ui.DoWaitCursor(1)
try:
keyNum = 0
ret = []
while 1:
try:
key = win32api.RegEnumKey(hkey, keyNum)
except win32api.error:
break
ret.append(HLIRegistryKey(self.keyRoot, self.keyName + "\\" + key, key))
keyNum = keyNum + 1
finally:
win32api.RegCloseKey(hkey)
win32ui.DoWaitCursor(0)
return ret
template = RegTemplate()
def EditRegistry(root=None, key=None):
doc = template.OpenRegistryKey(root, key)
if __name__ == "__main__":
EditRegistry()