64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
"""Diagramme de longévité des personnages (bornes d'apparition)."""
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from pathlib import Path
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from typing import List
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import matplotlib.pyplot as plt
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from lib.filesystem import ensure_parent_dir
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from lib.rebrickable.stats import read_rows
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def load_spans(path: Path) -> List[dict]:
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"""Charge le CSV des bornes min/max par personnage."""
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return read_rows(path)
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def plot_character_spans(spans_path: Path, destination_path: Path) -> None:
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"""Trace un diagramme en barres représentant la longévité des personnages."""
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rows = load_spans(spans_path)
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if not rows:
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return
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characters = [row["known_character"] for row in rows]
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starts = [int(row["start_year"]) for row in rows]
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ends = [int(row["end_year"]) for row in rows]
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counts = [int(row["total_minifigs"]) for row in rows]
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positions = list(range(len(rows)))
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widths = [end - start + 1 for start, end in zip(starts, ends)]
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min_year = min(starts)
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max_year = max(ends)
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height = max(5, len(rows) * 0.3)
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fig, ax = plt.subplots(figsize=(12, height))
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bars = ax.barh(
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positions,
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widths,
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left=starts,
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color="#1f77b4",
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edgecolor="#0d0d0d",
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linewidth=0.6,
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)
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ax.set_yticks(positions)
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ax.set_yticklabels(characters)
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ax.set_xlabel("Années d'apparition")
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ax.set_ylabel("Personnage")
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ax.set_title("Longévité des personnages (première à dernière apparition)")
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ax.set_xlim(min_year - 1, max_year + 1)
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ax.grid(True, axis="x", linestyle="--", alpha=0.25)
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for bar, start, end, count in zip(bars, starts, ends, counts):
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label = f"{start}–{end} ({count})" if start != end else f"{start} ({count})"
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ax.text(
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start + (end - start) / 2,
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bar.get_y() + bar.get_height() / 2,
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label,
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ha="center",
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va="center",
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fontsize=8,
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color="#0d0d0d",
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)
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ensure_parent_dir(destination_path)
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fig.tight_layout()
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fig.savefig(destination_path, dpi=160)
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plt.close(fig)
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