4 commit praktikum
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#!/usr/bin/env python3
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"""Installiert die Abhängigkeiten aus pyproject.toml in die aktuelle Python-Umgebung.
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Ersatz für "Install requirements" aus PyCharm, wenn das Projekt eine pyproject.toml
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statt einer requirements.txt hat. Kein Build, keine besondere Projektstruktur nötig,
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nur Standardbibliothek (Python >= 3.11).
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Benutzung:
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In PyCharm: Rechtsklick auf diese Datei -> Run 'install_dependencies'
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Im Terminal (venv aktiv): python install_dependencies.py
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Ohne Parameter wird ALLES installiert:
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[project].dependencies + alle [project.optional-dependencies] + alle [dependency-groups]
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Abweichendes Verhalten:
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python install_dependencies.py --extra dev nur Basis + Extra "dev"
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python install_dependencies.py --group test nur Basis + Gruppe "test"
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python install_dependencies.py --no-main --group dev
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python install_dependencies.py --list nur anzeigen, nichts installieren
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python install_dependencies.py --write requirements.txt schreiben statt installieren
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python install_dependencies.py --write -o reqs.txt
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"""
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from __future__ import annotations
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import sys
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if sys.version_info < (3, 11):
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sys.exit("Dieses Skript braucht Python 3.11 oder neuer (tomllib). "
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f"Aktuell: {sys.version.split()[0]}")
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import argparse
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import subprocess
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import tempfile
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import tomllib
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from pathlib import Path
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PROJECT_DIR = Path(__file__).resolve().parent
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def resolve_group(groups: dict, name: str, seen: set[str] | None = None) -> list[str]:
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"""Löst eine Dependency-Group inkl. {include-group = "..."} rekursiv auf."""
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seen = set() if seen is None else seen
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if name in seen:
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raise ValueError(f"Zyklische include-group: {name}")
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if name not in groups:
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raise KeyError(f"Dependency-Group '{name}' nicht gefunden")
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seen.add(name)
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result: list[str] = []
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for entry in groups[name]:
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if isinstance(entry, str):
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result.append(entry)
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elif isinstance(entry, dict) and "include-group" in entry:
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result.extend(resolve_group(groups, entry["include-group"], seen))
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return result
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def collect(data: dict, extras: list[str], groups: list[str], no_main: bool) -> list[str]:
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project = data.get("project", {})
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optional = project.get("optional-dependencies", {})
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dep_groups = data.get("dependency-groups", {})
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deps: list[str] = []
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if not no_main:
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deps.extend(project.get("dependencies", []))
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for extra in extras:
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if extra not in optional:
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raise KeyError(f"Optional-Dependency '{extra}' nicht gefunden")
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deps.extend(optional[extra])
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for group in groups:
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deps.extend(resolve_group(dep_groups, group))
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# Duplikate entfernen, Reihenfolge behalten
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return list(dict.fromkeys(d.strip() for d in deps if d.strip()))
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def main() -> int:
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p = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
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p.add_argument("-p", "--pyproject", type=Path, default=PROJECT_DIR / "pyproject.toml",
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help="Pfad zur pyproject.toml (Standard: neben diesem Skript)")
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p.add_argument("--extra", action="append", default=None,
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help="nur diese optional-dependencies (mehrfach möglich)")
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p.add_argument("--group", action="append", default=None,
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help="nur diese dependency-groups (mehrfach möglich)")
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p.add_argument("--no-main", action="store_true", help="[project].dependencies weglassen")
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p.add_argument("--list", action="store_true", help="Abhängigkeiten nur anzeigen")
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p.add_argument("--write", action="store_true", help="requirements-Datei schreiben statt installieren")
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p.add_argument("-o", "--output", type=Path, default=PROJECT_DIR / "requirements.txt",
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help="Zieldatei für --write")
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args = p.parse_args()
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if not args.pyproject.exists():
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print(f"{args.pyproject} nicht gefunden", file=sys.stderr)
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return 1
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data = tomllib.loads(args.pyproject.read_text(encoding="utf-8"))
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all_extras = list(data.get("project", {}).get("optional-dependencies", {}))
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all_groups = list(data.get("dependency-groups", {}))
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# Ohne --extra/--group: alles. Mit einem davon: nur das Gewählte.
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selective = args.extra is not None or args.group is not None
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extras = (args.extra or []) if selective else all_extras
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groups = (args.group or []) if selective else all_groups
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try:
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deps = collect(data, extras, groups, args.no_main)
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except (KeyError, ValueError) as e:
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print(f"Fehler: {e.args[0]}", file=sys.stderr)
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print(f" Vorhandene --extra: {', '.join(all_extras) or '(keine)'}", file=sys.stderr)
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print(f" Vorhandene --group: {', '.join(all_groups) or '(keine)'}", file=sys.stderr)
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return 1
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parts = ([] if args.no_main else ["Basis"]) + [f"extra:{e}" for e in extras] + [f"group:{g}" for g in groups]
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print(f"Auswahl: {', '.join(parts) or '(nichts)'}")
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if args.list:
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print("\n".join(deps) or "(keine Abhängigkeiten)")
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return 0
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content = f"# Automatisch erzeugt aus {args.pyproject.name} – nicht von Hand bearbeiten\n" + "\n".join(deps) + "\n"
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if args.write:
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args.output.write_text(content, encoding="utf-8")
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print(f"{len(deps)} Abhängigkeiten -> {args.output}")
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return 0
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if not deps:
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print("Keine Abhängigkeiten gefunden – nichts zu tun.")
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return 0
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if sys.prefix == sys.base_prefix:
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print("WARNUNG: Es ist kein virtuelles Environment aktiv – es wird in die globale "
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f"Python-Installation installiert:\n {sys.prefix}", file=sys.stderr)
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if sys.stdin.isatty() and input("Trotzdem fortfahren? [j/N] ").strip().lower() not in ("j", "ja", "y", "yes"):
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return 1
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with tempfile.NamedTemporaryFile("w", suffix=".txt", delete=False, encoding="utf-8") as tmp:
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tmp.write(content)
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tmp_path = Path(tmp.name)
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try:
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print(f"Installiere {len(deps)} Abhängigkeiten in {sys.prefix}\n")
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return subprocess.call([sys.executable, "-m", "pip", "install", "-r", str(tmp_path)])
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finally:
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tmp_path.unlink(missing_ok=True)
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if __name__ == "__main__":
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raise SystemExit(main())
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+46
-27
@@ -71,7 +71,6 @@ def transpose(matrix: list[list[float | int]]) -> list[list[float | int]]:
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return [list(row) for row in zip(*matrix)]
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def rot_2D(theta: float) -> list[list[float]]:
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"""Gibt die 2D-Rotationsmatrix für einen gegebenen Winkel theta (in Bogenmaß) zurück.
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@@ -91,36 +90,58 @@ def rot_2D(theta: float) -> list[list[float]]:
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[sin_theta, cos_theta]
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]
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def rot_3D(angle: float, axis: str) -> list[list[float]]:
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"""Gibt die 3D-Rotationsmatrix um eine Koordinatenachse zurück.
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"""Gibt die 3D-Rotationsmatrix für einen gegebenen Winkel ``angle`` (in Bogenmaß) und Achse ``axis`` zurück.
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Formeln (θ = angle, im Bogenmaß):
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R_x(θ) = [[1, 0, 0], [0, cos θ, -sin θ], [0, sin θ, cos θ]]
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R_y(θ) = [[cos θ, 0, sin θ], [0, 1, 0], [-sin θ, 0, cos θ]]
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R_z(θ) = [[cos θ, -sin θ, 0], [sin θ, cos θ, 0], [0, 0, 1]]
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Parameters
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----------
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angle: float
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Rotationswinkel in Bogenmaß.
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axis: str
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Achsenbezeichner, muss ``'x'``, ``'y'`` oder ``'z'`` sein.
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Args:
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angle: Der Rotationswinkel in Bogenmaß (Radians).
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axis: Die Rotationsachse: "x", "y" oder "z".
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Returns
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-------
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list[list[float]]
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Die 3×3-Rotationsmatrix entsprechend der Achse.
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Returns:
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Die 3x3-Rotationsmatrix als 2D-Liste.
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Raises
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------
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ValueError
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Falls ``axis`` nicht einer der erlaubten Werte ist.
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Notes
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-----
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Die Matrizenbasisformeln:
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Notes
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-----
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Die Standardformeln für 3‑D‑Rotationsmatrizen werden nicht aufgeführt, um Escape‑Probleme zu vermeiden.
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Raises:
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ValueError: Wenn axis nicht "x", "y" oder "z" ist.
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"""
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c = math.cos(angle)
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s = math.sin(angle)
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if axis == "x":
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return [[1.0, 0.0, 0.0], [0.0, c, -s], [0.0, s, c]]
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if axis == "y":
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return [[c, 0.0, s], [0.0, 1.0, 0.0], [-s, 0.0, c]]
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if axis == "z":
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return [[c, -s, 0.0], [s, c, 0.0], [0.0, 0.0, 1.0]]
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raise ValueError(f"Ungültige Achse '{axis}': erlaubt sind 'x', 'y' oder 'z'.")
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if axis == 'x':
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return [
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[1.0, 0.0, 0.0],
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[0.0, c, -s],
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[0.0, s, c]
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]
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if axis == 'y':
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return [
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[c, 0.0, s],
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[0.0, 1.0, 0.0],
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[-s, 0.0, c]
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]
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if axis == 'z':
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return [
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[c, -s, 0.0],
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[s, c, 0.0],
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[0.0, 0.0, 1.0]
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]
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raise ValueError("Axis must be one of 'x', 'y', or 'z'.")
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if __name__ == "__main__":
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@@ -148,10 +169,10 @@ if __name__ == "__main__":
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except ValueError as e:
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print(f"Fehler abgefangen (matmul): {e}")
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#Agent Fehler ausgebessert: list[list/[float | int] -> list[list[float | int]
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#Gut gelöst -> TypeHints beachtet und verständlichen DocString; Ruff check passed
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#Agent Fehler ausgebessert: list[list/[float | int] -> list[list[float | int]
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#Gut gelöst -> TypeHints beachtet und verständlichen DocString; Ruff check passed
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#transpose prüfung
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#transpose prüfung
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matrix = [
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[1, 2, 3],
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[4, 5, 6]
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@@ -187,5 +208,3 @@ if __name__ == "__main__":
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print(rot_2D(theta))
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print(rot_2D(1.0))
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