tag.py
python
| 1 | """muse tag — attach and query semantic tags on commits. |
| 2 | |
| 3 | Usage:: |
| 4 | |
| 5 | muse tag add emotion:joyful <commit> — tag a commit |
| 6 | muse tag list — list all tags in the repo |
| 7 | muse tag list <commit> — list tags on a specific commit |
| 8 | muse tag remove <tag> <commit> — remove a tag |
| 9 | |
| 10 | Tag conventions:: |
| 11 | |
| 12 | emotion:* — emotional character (emotion:melancholic, emotion:tense) |
| 13 | section:* — song section (section:verse, section:chorus) |
| 14 | stage:* — production stage (stage:rough-mix, stage:master) |
| 15 | key:* — musical key (key:Am, key:Eb) |
| 16 | tempo:* — tempo annotation (tempo:120bpm) |
| 17 | ref:* — reference track (ref:beatles) |
| 18 | """ |
| 19 | |
| 20 | from __future__ import annotations |
| 21 | |
| 22 | import json |
| 23 | import logging |
| 24 | import pathlib |
| 25 | import uuid |
| 26 | |
| 27 | import typer |
| 28 | |
| 29 | from muse.core.errors import ExitCode |
| 30 | from muse.core.repo import require_repo |
| 31 | from muse.core.store import ( |
| 32 | TagRecord, |
| 33 | get_all_tags, |
| 34 | get_tags_for_commit, |
| 35 | resolve_commit_ref, |
| 36 | write_tag, |
| 37 | ) |
| 38 | |
| 39 | logger = logging.getLogger(__name__) |
| 40 | |
| 41 | app = typer.Typer() |
| 42 | add_app = typer.Typer() |
| 43 | list_app = typer.Typer() |
| 44 | remove_app = typer.Typer() |
| 45 | |
| 46 | app.add_typer(add_app, name="add", help="Attach a tag to a commit.") |
| 47 | app.add_typer(list_app, name="list", help="List tags.") |
| 48 | app.add_typer(remove_app, name="remove", help="Remove a tag from a commit.") |
| 49 | |
| 50 | |
| 51 | def _read_branch(root: pathlib.Path) -> str: |
| 52 | head_ref = (root / ".muse" / "HEAD").read_text().strip() |
| 53 | return head_ref.removeprefix("refs/heads/").strip() |
| 54 | |
| 55 | |
| 56 | def _read_repo_id(root: pathlib.Path) -> str: |
| 57 | return str(json.loads((root / ".muse" / "repo.json").read_text())["repo_id"]) |
| 58 | |
| 59 | |
| 60 | @add_app.callback(invoke_without_command=True) |
| 61 | def add( |
| 62 | ctx: typer.Context, |
| 63 | tag_name: str = typer.Argument(..., help="Tag string (e.g. emotion:joyful)."), |
| 64 | ref: str | None = typer.Argument(None, help="Commit ID or branch (default: HEAD)."), |
| 65 | ) -> None: |
| 66 | """Attach a tag to a commit.""" |
| 67 | root = require_repo() |
| 68 | repo_id = _read_repo_id(root) |
| 69 | branch = _read_branch(root) |
| 70 | |
| 71 | commit = resolve_commit_ref(root, repo_id, branch, ref) |
| 72 | if commit is None: |
| 73 | typer.echo(f"❌ Commit '{ref}' not found.") |
| 74 | raise typer.Exit(code=ExitCode.USER_ERROR) |
| 75 | |
| 76 | write_tag(root, TagRecord( |
| 77 | tag_id=str(uuid.uuid4()), |
| 78 | repo_id=repo_id, |
| 79 | commit_id=commit.commit_id, |
| 80 | tag=tag_name, |
| 81 | )) |
| 82 | typer.echo(f"Tagged {commit.commit_id[:8]} with '{tag_name}'") |
| 83 | |
| 84 | |
| 85 | @list_app.callback(invoke_without_command=True) |
| 86 | def list_tags( |
| 87 | ctx: typer.Context, |
| 88 | ref: str | None = typer.Argument(None, help="Commit ID to list tags for (default: all)."), |
| 89 | ) -> None: |
| 90 | """List tags.""" |
| 91 | root = require_repo() |
| 92 | repo_id = _read_repo_id(root) |
| 93 | branch = _read_branch(root) |
| 94 | |
| 95 | if ref: |
| 96 | commit = resolve_commit_ref(root, repo_id, branch, ref) |
| 97 | if commit is None: |
| 98 | typer.echo(f"❌ Commit '{ref}' not found.") |
| 99 | raise typer.Exit(code=ExitCode.USER_ERROR) |
| 100 | tags = get_tags_for_commit(root, repo_id, commit.commit_id) |
| 101 | for t in sorted(tags, key=lambda x: x.tag): |
| 102 | typer.echo(f"{t.commit_id[:8]} {t.tag}") |
| 103 | else: |
| 104 | tags = get_all_tags(root, repo_id) |
| 105 | for t in sorted(tags, key=lambda x: (x.tag, x.commit_id)): |
| 106 | typer.echo(f"{t.commit_id[:8]} {t.tag}") |