chrishuffman5/cli-python-3.10
skills/cli-scripting/python/3.10/SKILL.md
Python 3.10 version agent. Key features: structural pattern matching (match/case with value, type, sequence, and mapping patterns), type union syntax (X | Y replacing Union[X, Y]), parenthesized context managers, better error messages.
$ install --global
skillsauthnpx skillsauth add chrishuffman5/domain-expert cli-python-3.10Install this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Jul 8, 2026, 4:46 AM304.4s1 file scanned
SKILL.md
- name:
- cli-python-3.10
- description:
- Python 3.10 version agent. Key features: structural pattern matching (match/case with value, type, sequence, and mapping patterns), type union syntax (X | Y replacing Union[X, Y]), parenthesized context managers, better error messages.
- license:
- MIT
- version:
- 1.0.0
Python 3.10 Features
Structural Pattern Matching (match/case)
Not a switch statement -- true structural matching with deconstruction.
# Match on value
def http_status(status: int) -> str:
match status:
case 200: return "OK"
case 404: return "Not Found"
case 500 | 502 | 503: return "Server Error"
case _: return "Unknown"
# Match on type + structure
def handle_event(event: dict) -> None:
match event:
case {"type": "click", "x": x, "y": y}:
print(f"Click at ({x}, {y})")
case {"type": "key", "key": str(k)} if k.isalpha():
print(f"Key: {k}")
case {"type": "error", "code": int(code)}:
print(f"Error: {code}")
case _:
print(f"Unknown: {event}")
# Match on class instances
from dataclasses import dataclass
@dataclass
class Point:
x: float
y: float
def describe(shape) -> str:
match shape:
case Point(x=0, y=0): return "Origin"
case Point(x=x, y=0): return f"X-axis at {x}"
case _: return "Unknown"
# Sequence patterns
def process_args(args: list[str]) -> None:
match args:
case []: print("No args")
case [cmd]: print(f"Single: {cmd}")
case ["--verbose", *rest] | ["-v", *rest]:
print(f"Verbose, rest: {rest}")
case ["--output", filename, *rest]:
print(f"Output to {filename}")
Type Union Syntax
# New: X | Y replaces Union[X, Y]
def process(value: int | str | None) -> str:
if value is None: return "nothing"
return str(value)
# Works in isinstance too
isinstance(x, int | str)
Parenthesized Context Managers
with (open("input.txt") as f_in,
open("output.txt", "w") as f_out):
f_out.write(f_in.read().upper())
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