feat(agent): sandbox conversation analysis
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#!/usr/bin/env python3
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"""
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供水服务范围分析与分区 — 可复用脚本
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基于实时水力数据，从水库沿水流方向追溯服务范围，自动发现水库并分区。
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用法:
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python3 service_area_partition.py \
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--pipe-props pipes.json \
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--reservoirs reservoirs.json \
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--links realtime_links.json \
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--nodes realtime_nodes.json \
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--target-time '2026-04-01T08:00:00+08:00' \
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--output ./service_area_partition_wrapper.json
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"""
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import argparse
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import json
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import os
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import sys
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from collections import deque, defaultdict
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COLORS = [
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"rgba(31,119,180,0.7)", "rgba(255,127,14,0.7)", "rgba(44,160,44,0.7)",
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"rgba(148,103,189,0.7)", "rgba(140,86,75,0.7)", "rgba(227,119,194,0.7)",
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"rgba(127,127,127,0.7)", "rgba(188,189,34,0.7)", "rgba(23,190,207,0.7)",
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"rgba(174,199,232,0.7)", "rgba(255,152,150,0.7)", "rgba(196,156,148,0.7)",
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"rgba(219,64,82,0.7)", "rgba(153,204,153,0.7)", "rgba(255,204,102,0.7)",
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"rgba(102,102,204,0.7)", "rgba(204,102,102,0.7)", "rgba(102,204,204,0.7)",
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"rgba(204,153,204,0.7)", "rgba(153,153,153,0.7)"
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]
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def load_json(path, label):
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print(f"Loading {label}...", file=sys.stderr)
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with open(path) as f:
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return json.load(f)
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def main():
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parser = argparse.ArgumentParser(description="供水服务范围分区分析")
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parser.add_argument("--pipe-props", required=True, help="管道属性 JSON 文件")
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parser.add_argument("--reservoirs", required=True, help="水库属性 JSON 文件")
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parser.add_argument("--links", required=True, help="实时管段数据 JSON 文件")
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parser.add_argument("--nodes", required=True, help="实时节点数据 JSON 文件")
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parser.add_argument("--target-time", required=True, help="目标时刻 ISO8601")
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parser.add_argument("--output", required=True, help="分区结果输出 JSON 路径")
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args = parser.parse_args()
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# --- Step 1: Load pipe topology ---
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pdata = load_json(args.pipe_props, "pipe topology")["data"]
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pipe_topology = {}
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node_neighbors = defaultdict(set)
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for p in pdata:
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pid = p["id"]
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n1, n2 = p["node1"], p["node2"]
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pipe_topology[pid] = (n1, n2)
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node_neighbors[n1].add(n2)
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node_neighbors[n2].add(n1)
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print(f" {len(pdata)} pipes, {len(node_neighbors)} unique nodes", file=sys.stderr)
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# --- Step 2: Discover reservoirs ---
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rdata = load_json(args.reservoirs, "reservoirs")["data"]
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reservoirs = [r["id"] for r in rdata]
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print(f" {len(reservoirs)} reservoirs: {reservoirs}", file=sys.stderr)
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# --- Step 3: Load link flow at target time ---
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ldata = load_json(args.links, "link flows")["data"]
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target_links = [l for l in ldata if l["time"] == args.target_time]
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flow_direction = {}
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pipe_flow = {}
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for l in target_links:
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lid = l["id"]
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flow_val = l["flow"]
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pipe_flow[lid] = abs(flow_val)
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if lid in pipe_topology:
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n1, n2 = pipe_topology[lid]
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if flow_val > 1e-6:
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flow_direction[lid] = (n1, n2)
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elif flow_val < -1e-6:
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flow_direction[lid] = (n2, n1)
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nonzero = len(flow_direction)
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print(f" {len(target_links)} link records, {nonzero} with non-zero flow", file=sys.stderr)
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# --- Step 4: Load node data at target time ---
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ndata = load_json(args.nodes, "node data")["data"]
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target_nodes = [n for n in ndata if n["time"] == args.target_time]
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node_pressure = {}
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node_demand = {}
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for n in target_nodes:
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nid = n["id"]
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node_pressure[nid] = n.get("pressure", 0)
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node_demand[nid] = n.get("actual_demand", 0)
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print(f" {len(target_nodes)} nodes", file=sys.stderr)
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# --- Step 5: Build downstream graph ---
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downstream = defaultdict(set)
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for _lid, (up, dn) in flow_direction.items():
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downstream[up].add(dn)
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print(f" downstream graph: {len(downstream)} source nodes", file=sys.stderr)
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# --- Step 6: Multi-source BFS along flow direction ---
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reservoir_area = {}
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node_served_by = {}
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queue = deque()
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for rid in reservoirs:
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reservoir_area[rid] = {rid}
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node_served_by[rid] = rid
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queue.append((rid, rid, 0))
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while queue:
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node, source, dist = queue.popleft()
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for neighbor in downstream.get(node, set()):
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if neighbor not in node_served_by:
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node_served_by[neighbor] = source
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reservoir_area[source].add(neighbor)
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queue.append((neighbor, source, dist + 1))
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directed_count = len(node_served_by)
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unassigned = set(node_pressure.keys()) - set(node_served_by.keys())
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print(f" flow-tracing assigned: {directed_count}, unassigned: {len(unassigned)}", file=sys.stderr)
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# --- Step 7: Undirected proximity fallback ---
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if unassigned:
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print(" running proximity fallback...", file=sys.stderr)
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ua_queue = deque()
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ua_visited = {}
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for nid, src in node_served_by.items():
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ua_visited[nid] = src
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ua_queue.append((nid, src, 0))
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while ua_queue:
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node, source, dist = ua_queue.popleft()
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for neighbor in node_neighbors.get(node, set()):
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if neighbor not in ua_visited:
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ua_visited[neighbor] = source
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reservoir_area[source].add(neighbor)
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ua_queue.append((neighbor, source, dist + 1))
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still = set(node_pressure.keys()) - set(ua_visited.keys())
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if still:
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print(f" WARNING: {len(still)} nodes still unassigned", file=sys.stderr)
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node_served_by = ua_visited
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# --- Step 8: Compute statistics ---
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print(f"\n=== 供水服务范围分区统计 ===\n", file=sys.stderr)
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area_stats = []
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for rid in reservoirs:
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nodes_in = reservoir_area.get(rid, set())
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pressures = [node_pressure[n] for n in nodes_in if n in node_pressure]
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demands = [node_demand[n] for n in nodes_in if n in node_demand]
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area_stats.append({
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"reservoir": rid,
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"node_count": len(nodes_in),
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"total_demand": round(sum(demands), 4),
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"avg_pressure": round(sum(pressures)/len(pressures), 2) if pressures else 0,
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"min_pressure": round(min(pressures), 2) if pressures else 0,
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"max_pressure": round(max(pressures), 2) if pressures else 0,
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})
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area_stats.sort(key=lambda x: x["node_count"], reverse=True)
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for s in area_stats:
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print(f" 水源 {s['reservoir']:>8s}: {s['node_count']:>6d} 节点 | "
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f"总需水={s['total_demand']:.2f} | "
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f"压力 avg={s['avg_pressure']:.1f}m [{s['min_pressure']:.1f}–{s['max_pressure']:.1f}m]",
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file=sys.stderr)
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# --- Step 9: Assign colors and write output ---
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area_colors = {}
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for i, rid in enumerate(reservoirs):
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area_colors[rid] = COLORS[i % len(COLORS)]
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output = {
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"node_area_map": node_served_by,
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"area_ids": reservoirs,
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"area_colors": area_colors,
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"metadata": {
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"analysis_time": args.target_time,
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"total_nodes": len(node_served_by),
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"reservoir_count": len(reservoirs),
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"directed_assigned": directed_count,
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"proximity_assigned": len(node_served_by) - directed_count,
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"method": "flow-direction-source-tracing"
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}
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}
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absolute_output = os.path.abspath(args.output)
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wrapper = {
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"metadata": {
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"generated_by": "service_area_partition.py",
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"schema_version": 1,
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},
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"location": {"file_path": absolute_output},
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"data": output,
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}
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with open(absolute_output, "w", encoding="utf-8") as f:
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json.dump(wrapper, f, ensure_ascii=False)
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summary = {
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"total_nodes": len(node_served_by),
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"reservoirs": len(reservoirs),
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"areas": area_stats,
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"output_file": absolute_output
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}
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print(json.dumps(summary, ensure_ascii=False))
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if __name__ == "__main__":
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main()
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