enthought/comtypes

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A pure Python, lightweight COM client and server framework, based on the ctypes Python FFI package.

Stars: 345
Forks: 105
Open beginner issues: 0
Indexed issues: 96

Dominant language: Python
License: No license data
Last GitHub push: Jun 16, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue
PR merge metrics: No merged PRs in 30d

Open All

96 open issues indexed

FAIL in test_leaks2, test_leaks3 Open

64-bit bug help wanted tests

enthought/comtypes#1 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
COM server not working? Open

bug help wanted tests

enthought/comtypes#10 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
broken test scripts using ConnectableObjectMixin Open

bug tests

enthought/comtypes#11 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
UnicodeDecodeError: Open

3rd-party issue bug help wanted

enthought/comtypes#12 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Returned tuple from COM method doesn't include all outputs Open

3rd-party issue bug

enthought/comtypes#13 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
error with inout args Open

bug help wanted

enthought/comtypes#15 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Crash using the GetActiveObject,CreateObject Open

3rd-party issue bug

enthought/comtypes#16 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
List-index access to COM object array crashes python Open

bug

enthought/comtypes#17 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
access violation with wrong array.array type Open

bug

enthought/comtypes#18 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
List of 1-tuple not passed to Excel as column array Open

bug

enthought/comtypes#48 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Crash caused by incorrectly generated code for VARIANT function input Open

bug

enthought/comtypes#53 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Should comtypes support default properties Open

enhancement question

enthought/comtypes#61 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`VARIANT._get_value` cannot unpack arrays of arbitrary type Open

bug

enthought/comtypes#63 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Uncaught COMError with Automation in shell results in a leak Open

help wanted

enthought/comtypes#72 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Can't create VARIANT with typecode VT_ARRAY | BT_BSTR Open

bug

enthought/comtypes#80 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
have 64-bit client check 32-bit registry hive Open

64-bit

enthought/comtypes#89 · 8 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Frozen ctypes com server can't load OLE typelib Open

enthought/comtypes#90 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Access violations while using IUIA from UIAutomationClient.dll (Win8.1 x64, Py3.4 x64) Open

64-bit bug

enthought/comtypes#98 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Feature Request: Structs as valid variant types Open

enhancement

enthought/comtypes#100 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Extending IClassFactory Interface in comtypes.servers for IClassFactory2 Open

enhancement

enthought/comtypes#101 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Can not run WPF application using comtypes Open

enthought/comtypes#103 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[feature request] Enabling CI build (AppVeyor) and static analyzers (QC+Landscape) Open

enhancement

enthought/comtypes#106 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Partial wrapper files generated in gen folder Open

bug

enthought/comtypes#114 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
comtypes 1.1.3 hangs when importing CreateObject as non admin user Open

bug

enthought/comtypes#124 · 14 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
tuple error Open

enthought/comtypes#126 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Attributeerror thrown when mixing intout + out parameters Open

help wanted

enthought/comtypes#131 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
GUID not working when client.GetActiveObject is None Open

enthought/comtypes#141 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Code cache and not administrator throws index error Open

enthought/comtypes#144 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Date arguments raise ctypes.ArgumentError when a datetime value is used Open

enthought/comtypes#152 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ndarray of VARIANTs does not work on Numpy 1.15 (works fine on 1.13) Open

npsupport

enthought/comtypes#166 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
runtime error 91: object variable or with block variable not set Open

enthought/comtypes#173 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
enum unique values from enum in typelib are not accessible if function with the same name exists Open

enthought/comtypes#174 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Error setting a value on VARIANT out param Open

enthought/comtypes#188 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Access is denied on IIS. Open

enthought/comtypes#190 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
CreateObject fails and then suceeds Open

64-bit enhancement

enthought/comtypes#193 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
SafeArrayGetLBound: OSError: exception: access violation reading Open

3rd-party issue

enthought/comtypes#194 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
getting OSError: [WinError -2146959355] Server execution failed when opening word doc Open

enthought/comtypes#198 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
object has no attribute '__ctypes_from_outparam__' error when number of arguments in a function is >= 32. Open

help wanted

enthought/comtypes#203 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Windows fatal exception: access violation Open

3rd-party issue

enthought/comtypes#204 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[restricted] in .IDL file Open

enthought/comtypes#206 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
GetModule IndexError list index out of range with gen_dir=None Open

help wanted

enthought/comtypes#207 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
['out', 'optional'] causes TypeError Open

enthought/comtypes#210 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Conversion from 2d ndarray to VARIANT fails Open

npsupport

enthought/comtypes#213 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Future of this package Open

shared_info

enthought/comtypes#216 · 64 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Invalid Syntax error for CoClass with numbers only name. Open

bug

enthought/comtypes#217 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
zip_safe mode is broken Open

bug

enthought/comtypes#218 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Error when trying to use a function that contains reference variables to return data. Open

question

enthought/comtypes#219 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Asynchronous callbacks from Windows Open

bug

enthought/comtypes#224 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support VT_R8|VT_ARRAY as an out param Open

enthought/comtypes#236 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
windows data types Open

shared_info

enthought/comtypes#256 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 15, 2026

enthought/comtypes

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