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fix: handle option tuple unpacking for Python versions >= 3.12 #3220

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fix: handle option tuple unpacking for Python versions >= 3.12 #3220

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2136c8d
fix: handle option tuple unpacking for Python versions >= 3.12
bonicim Oct 29, 2025
00ff8ae
Update dependencies
bonicim Oct 29, 2025
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8 changes: 4 additions & 4 deletions requirements.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@
'psutil==5.9.1',
'python-dateutil==2.8.2',
'pytz==2022.1',
'PyYAML==6.0',
'PyYAML==6.0.3',
'setuptools>=40.0.0,<=70.0.0',
# tzlocal 3.0 breaks without the backports.tzinfo package on python < 3.9 https://pypi.org/project/tzlocal/3.0/
'tzlocal==2.1',
Expand All @@ -65,7 +65,7 @@
'sphinxcontrib-mermaid'],
'drivers': ['pymodbus==2.5.3',
'bacpypes==0.16.7',
'modbus-tk==1.1.2',
'modbus-tk==1.1.5',
'pyserial==3.5'],
'influxdb': ['influxdb==5.3.1'],
'market': ['numpy==1.23.1', 'transitions==0.8.11'],
Expand All @@ -84,7 +84,7 @@
'pytest-rerunfailures==10.2',
'websocket-client==1.2.2',
'deepdiff==5.8.1',
'docker==5.0.3',
'docker==7.1.0',
'pytest_asyncio==0.19.0',
'pytest_timeout==2.1.0'],
'weather': ['Pint==0.19.2'],
Expand All @@ -95,6 +95,6 @@
'passlib==1.7.4',
'argon2-cffi==21.3.0',
'Werkzeug==2.2.1',
'treelib==1.6.1'],
'treelib==1.8.0'],
'dnp3': ['dnp3-python==0.2.3b3'],
'openadr': ['openleadr==0.5.30']}
8 changes: 6 additions & 2 deletions volttron/platform/config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -373,8 +373,12 @@ def _take(n):
# This argument is positional; skip further processing
cli_args.append(arg_string)
continue
# Some kind of option was encountered, so deal with it
action, option_string, explicit_arg = option_tuple
# Handle Python 3.12+ compatibility where _parse_optional may return more than 3 values
if _sys.version_info.minor >= 12:
action, option_string, sep, explicit_arg = option_tuple
else:
# Fallback for older Python versions
action, option_string, explicit_arg = option_tuple
if explicit_arg is not None:
args = [explicit_arg]
elif action.nargs in [_argparse.REMAINDER, _argparse.PARSER]:
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