input_sequence_loader.py

"""
Utilities to load saved input sequences (mouse/keyboard events).
"""

import json


def load_sequence(path="sequence.json"):
    """Load a recorded sequence file and return a normalized dict.

    Returns dict with `initial_pos`, `initial_window_title`, and `events`.
    Accepts newer dict format or older plain-list format for backward compat.
    """
    with open(path, "r", encoding="utf-8") as f:
        data = json.load(f)
    if isinstance(data, dict) and "events" in data:
        return {
            "initial_pos": data.get("initial_pos"),
            "initial_window_title": data.get("initial_window_title"),
            "events": data["events"],
        }
    # older format: just a list of events
    return {"initial_pos": None, "initial_window_title": None, "events": data}


def load_sequence_text(json_text):
    """Parse JSON text into the same normalized dict returned by `load_sequence`."""
    data = json.loads(json_text)
    if isinstance(data, dict) and "events" in data:
        return {
            "initial_pos": data.get("initial_pos"),
            "initial_window_title": data.get("initial_window_title"),
            "events": data["events"],
        }
    return {"initial_pos": None, "initial_window_title": None, "events": data}


if __name__ == "__main__":
    # Minimal self-test: do not print by default when imported.
    seq = load_sequence()
    ev = seq.get("events") or []
    print(f"Loaded {len(ev)} events")