107 lines
4.0 KiB
Python
107 lines
4.0 KiB
Python
# -*- coding: utf-8 -*-
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"""Gantt-style timeline for 3D OpticsFEM (target: late July 2026)."""
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from __future__ import annotations
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from datetime import date, timedelta
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from pathlib import Path
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import matplotlib.pyplot as plt
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import matplotlib.dates as mdates
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import matplotlib.patches as mpatches
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OUT = Path(__file__).resolve().parent
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plt.rcParams["font.sans-serif"] = ["Microsoft YaHei", "SimHei", "Arial"]
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plt.rcParams["axes.unicode_minus"] = False
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GREEN = "#75BD42"
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GREEN_D = "#4A7C3F"
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BLUE = "#4874CB"
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ORANGE = "#EE822F"
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GRAY = "#CCCCCC"
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DARK = "#2C3E50"
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WHITE = "#FFFFFF"
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# (label, start, end, color, status)
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# status: done | doing | plan | stretch
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T0 = date(2026, 6, 1)
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ITEMS = [
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("阶段0 工程基础", date(2026, 6, 1), date(2026, 6, 15), GREEN, "done"),
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("阶段2 PEC/ELE", date(2026, 6, 10), date(2026, 6, 20), GREEN, "done"),
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("阶段3 PBC 单/双周期", date(2026, 6, 15), date(2026, 6, 25), GREEN, "done"),
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("阶段1 本征频率 Run/Post", date(2026, 6, 23), date(2026, 7, 5), ORANGE, "doing"),
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("阶段4 BELE/源项边界", date(2026, 6, 28), date(2026, 7, 12), BLUE, "plan"),
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("算例验证 & 文档整理", date(2026, 7, 8), date(2026, 7, 18), BLUE, "plan"),
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(".em 接口适配（基础）", date(2026, 7, 10), date(2026, 7, 25), BLUE, "plan"),
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("阶段5 PML/Port（可选）", date(2026, 7, 20), date(2026, 8, 10), GRAY, "stretch"),
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("阶段6 本征模式/二阶（可选）", date(2026, 8, 1), date(2026, 8, 31), GRAY, "stretch"),
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]
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MILESTONES = [
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(date(2026, 6, 25), "阶段1–3\n验收"),
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(date(2026, 7, 18), "MVP\n内测"),
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(date(2026, 7, 31), "7月下旬\n交付"),
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]
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def main() -> None:
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fig, ax = plt.subplots(figsize=(14, 6.2), facecolor=WHITE)
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y = len(ITEMS)
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for i, (label, start, end, color, status) in enumerate(ITEMS):
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yy = y - i
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width = (end - start).days + 1
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hatch = "" if status != "stretch" else "///"
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alpha = 1.0 if status != "stretch" else 0.55
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ax.barh(
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yy, width, left=mdates.date2num(start), height=0.55,
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color=color, edgecolor=DARK, linewidth=0.8,
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hatch=hatch, alpha=alpha,
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)
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mid = start + timedelta(days=width // 2)
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ax.text(
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mdates.date2num(mid), yy, label,
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ha="center", va="center", fontsize=9.5,
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color=WHITE if status in ("done", "doing") else DARK,
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fontweight="bold" if status == "doing" else "normal",
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)
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for ms_date, ms_text in MILESTONES:
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x = mdates.date2num(ms_date)
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ax.axvline(x, color="#C0392B", ls="--", lw=1.2, alpha=0.75, zorder=0)
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ax.text(x, y + 0.55, ms_text, ha="center", va="bottom", fontsize=8.5,
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color="#C0392B", fontweight="bold")
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ax.set_yticks([])
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ax.set_ylim(0.3, y + 1.2)
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ax.set_xlim(mdates.date2num(date(2026, 5, 28)), mdates.date2num(date(2026, 9, 5)))
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ax.xaxis.set_major_locator(mdates.WeekdayLocator(byweekday=mdates.MO, interval=1))
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ax.xaxis.set_major_formatter(mdates.DateFormatter("%m/%d"))
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ax.xaxis.set_minor_locator(mdates.DayLocator(interval=1))
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ax.grid(axis="x", alpha=0.25, ls="--")
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ax.spines["top"].set_visible(False)
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ax.spines["right"].set_visible(False)
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ax.spines["left"].set_visible(False)
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ax.set_title(
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"OpticsFEM 3D 扩展 — 时间节点规划（目标：2026年7月下旬交付）",
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fontsize=14, fontweight="bold", color=DARK, pad=14,
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)
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legend_items = [
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mpatches.Patch(facecolor=GREEN, edgecolor=DARK, label="已完成"),
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mpatches.Patch(facecolor=ORANGE, edgecolor=DARK, label="进行中"),
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mpatches.Patch(facecolor=BLUE, edgecolor=DARK, label="7月计划"),
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mpatches.Patch(facecolor=GRAY, edgecolor=DARK, hatch="///", alpha=0.55, label="8月及以后（扩展）"),
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]
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ax.legend(handles=legend_items, loc="lower right", fontsize=9, framealpha=0.95)
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out = OUT / "timeline_july2026.png"
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fig.savefig(out, dpi=180, bbox_inches="tight", facecolor=WHITE)
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plt.close(fig)
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print(f"Saved {out}")
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if __name__ == "__main__":
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main()
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