Change 32423
Modernize SDP maintenance scripts: security, correctness, and Python 3
- Replace all os.system() and os.popen() calls with subprocess.run() using
argument lists to eliminate shell injection vulnerabilities
- Fix critical bugs: broken indentation in convert_label_to_autoreload.py,
malformed print() in p4lock/p4unlock, wrong variable in isitalabel,
format string typo in maintain_user_from_groups
- Add p4 property alias and shared SKIP_USERS constant to sdputils.py
- Add try/finally with p4.disconnect() to all P4Python scripts
- Replace bare except: with specific exception types throughout
- Update all shebangs to python3, remove unnecessary __future__ imports
- Use context managers for all file handle operations
- Replace from subprocess import * with explicit imports
- Replace all os.system() and os.popen() calls with subprocess.run() using
argument lists to eliminate shell injection vulnerabilities
- Fix critical bugs: broken indentation in convert_label_to_autoreload.py,
malformed print() in p4lock/p4unlock, wrong variable in isitalabel,
format string typo in maintain_user_from_groups
- Add p4 property alias and shared SKIP_USERS constant to sdputils.py
- Add try/finally with p4.disconnect() to all P4Python scripts
- Replace bare except: with specific exception types throughout
- Update all shebangs to python3, remove unnecessary __future__ imports
- Use context managers for all file handle operations
- Replace from subprocess import * with explicit imports
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