537 lines
25 KiB
Python
537 lines
25 KiB
Python
"""招标文件解析能力：抽取评分项+得分规则、所需资质、投标文件要求，生成章节骨架。
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对应业务：招标文件获得后，从招标文件中抽取评分项以及得分规则、所需资质、投标文件要求。
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章节骨架规则（写进 bid-doc-spec 技能）：章节子项直接来自评分标准原文枚举的子维度，不是通用目录。
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"""
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import json
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import logging
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from .bid_common import (
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get_db, new_id, rec_to_dict, rows_to_dicts, to_float, to_int, json_loads,
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llm_json, record, resolve_project_id, CH_PENDING, TD_SUMMARIZED,
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)
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logger = logging.getLogger("pipeline.bidding.analysis")
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EXTRACT_PROMPT = """你是招标文件分析师。下面是招标文件正文（可能被截断），请抽取结构化信息。
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【招标文件正文】
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__CONTENT__
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严格只输出一个 JSON 对象：
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{
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"tender_facts": {
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"title": "项目名称",
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"purchaser": "招标人/采购人单位名称",
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"tender_no": "招标编号/项目编号",
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"industry": "所属行业(可选)",
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"summary": "项目概况摘要，200字以内，说明采购标的、范围、主要要求",
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"bid_start_at": "获取招标文件/投标开始时间 YYYY-MM-DD(可选)",
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"bid_deadline": "投标截止时间 YYYY-MM-DD",
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"project_period": "项目周期/工期，如 12个月 / 180日历天",
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"budget_amount": "招标控制价/预算金额(仅数字，人民币元)",
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"deposit_amount": "投标保证金(仅数字，人民币元)",
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"qualification_req": "投标人资格/资质要求原文摘要",
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"key_dates": [{"name": "节点名称", "date": "YYYY-MM-DD"}],
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"risk_note": "风险提示：时间紧、资质缺口、否决项等；无则空"
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},
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"scoring_items": [
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{"section": "business|technical|price", "item_no": "评分项编号", "item_name": "评分项名称",
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"max_score": 数字满分, "scoring_rule": "得分规则原文（含档位/扣分/加分细则）",
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"is_veto": "0或1（是否否决项/废标项）", "source_ref": "出处，如 第三章 评标办法 表1"}
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],
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"qualifications": [
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{"qual_name": "资质名称", "requirement": "要求原文", "is_mandatory": "0或1"}
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],
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"doc_requirements": [
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{"req_type": "structure|format|seal|copies|deadline|other",
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"chapter_no": "章节号（structure 类必填，如 1 / 1.1）",
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"chapter_title": "章节标题（structure 类必填）",
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"requirement": "要求内容", "page_limit": 数字或null, "source_ref": "出处"}
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]
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}
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要求：
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1. tender_facts 是招标文件的核心商务要素（项目名称/招标人/招标编号/投标截止时间/项目周期/预算金额/保证金/资质门槛），必须优先准确抽取。
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2. scoring_items 必须逐条覆盖评标办法中的每个评分项，满分数字准确；得分规则要保留原文档位/扣分/加分细则；否决项/废标条款 is_veto=1。
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3. doc_requirements 中 req_type=structure 的条目就是投标文件应有的章节结构，按招标文件要求的顺序给出。
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4. 只抽取正文中真实存在的内容，缺失就不要输出该字段/该条，禁止编造。
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金额只填数字（如 1200000），不带单位和千分位；日期只填 YYYY-MM-DD。"""
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# ══════════════ 招标文件读取 ══════════════
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async def list_tender_files(project_id, extract_status=""):
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"""列出项目的招标文件。"""
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db, dbname = get_db()
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async with db.sqlorContext(dbname) as sor:
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sql = ("SELECT id, file_name, file_type, extract_status, file_size, file_path "
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"FROM bid_tender_files WHERE project_id=${pid}$")
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p = {"pid": project_id}
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if extract_status:
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sql += " AND extract_status=${st}$"
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p["st"] = extract_status
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sql += " ORDER BY created_at"
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recs = await sor.sqlExe(sql, p)
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await sor.sqlExe("COMMIT", {})
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return rows_to_dicts(recs)
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async def read_tender_file(file_id, offset=0, length=20000):
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"""读招标文件正文（分段读，供 LLM 分析）。正文为空时尝试从磁盘提取。"""
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db, dbname = get_db()
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async with db.sqlorContext(dbname) as sor:
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recs = await sor.sqlExe(
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"SELECT id, project_id, file_name, file_path, content_text "
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"FROM bid_tender_files WHERE id=${fid}$", {"fid": file_id})
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await sor.sqlExe("COMMIT", {})
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if not recs:
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return "招标文件不存在: %s" % file_id
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d = rec_to_dict(recs[0])
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txt = d.get("content_text") or ""
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if not txt.strip() and d.get("file_path"):
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txt = _extract_file_text(d["file_path"])
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if txt:
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await sor.sqlExe(
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"UPDATE bid_tender_files SET content_text=${c}$, updated_at=NOW() "
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"WHERE id=${fid}$", {"c": txt[:2000000], "fid": file_id})
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await sor.sqlExe("COMMIT", {})
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if not txt.strip():
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return ("招标文件正文为空（file_path=%s）。请确认文件已上传且格式为 docx/pdf/txt。"
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% d.get("file_path", ""))
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o = to_int(offset, 0)
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n = to_int(length, 20000)
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seg = txt[o:o + n]
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return ("【%s】字符 %d-%d / 共 %d\n%s"
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% (d.get("file_name", ""), o, o + len(seg), len(txt), seg))
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def _extract_file_text(path):
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"""从 docx/pdf/txt 提取纯文本（无依赖时返回空串，不抛异常）。"""
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import os
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import re
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import zipfile
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if not path or not os.path.isfile(path):
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return ""
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ext = os.path.splitext(path)[1].lower()
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try:
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if ext in (".txt", ".md", ".csv", ".json"):
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with open(path, "r", encoding="utf-8", errors="ignore") as f:
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return f.read()
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if ext == ".docx":
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with zipfile.ZipFile(path) as z:
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out = []
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for name in z.namelist():
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if not (name.startswith("word/") and name.endswith(".xml")):
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continue
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if "document" not in name and "header" not in name and "footer" not in name:
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continue
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xml = z.read(name).decode("utf-8", errors="ignore")
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xml = xml.replace("</w:p>", "\n")
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out.append("".join(re.findall(r"<w:t[^>]*>(.*?)</w:t>", xml, flags=re.S)))
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return "\n".join(out)
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if ext == ".pdf":
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try:
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import fitz
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doc = fitz.open(path)
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return "\n".join(pg.get_text() for pg in doc)
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except ImportError:
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return ""
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except Exception as e:
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logger.warning("extract file text failed %s: %s", path, str(e)[:120])
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return ""
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async def mark_file_extracted(file_id, note="", who=None, agent_id=None):
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"""标记招标文件已抽取完成。"""
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db, dbname = get_db()
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async with db.sqlorContext(dbname) as sor:
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await sor.sqlExe(
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"UPDATE bid_tender_files SET extract_status='extracted', extract_note=${n}$, "
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"updated_at=NOW() WHERE id=${fid}$", {"n": (note or "")[:480], "fid": file_id})
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await sor.sqlExe("COMMIT", {})
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return True, "已标记抽取完成: %s" % file_id
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# ══════════════ 抽取落库（逐条） ══════════════
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async def add_scoring_item(project_id, item_name, max_score, scoring_rule="",
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section="technical", item_no="", is_veto="0",
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source_ref="", target_chapter_no="", weight="",
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who=None, agent_id=None):
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"""新增一个评分项及得分规则。"""
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try:
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project_id = await resolve_project_id(project_id)
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except ValueError as e:
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return False, str(e)
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if not item_name:
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return False, "缺少 item_name"
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db, dbname = get_db()
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async with db.sqlorContext(dbname) as sor:
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exist = await sor.sqlExe(
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"SELECT id FROM bid_scoring_items WHERE project_id=${pid}$ AND item_name=${nm}$ LIMIT 1",
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{"pid": project_id, "nm": str(item_name)[:250]})
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await sor.sqlExe("COMMIT", {})
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if exist:
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return True, "评分项已存在: %s" % item_name
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n = await sor.sqlExe(
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"SELECT COUNT(*) AS c FROM bid_scoring_items WHERE project_id=${pid}$",
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{"pid": project_id})
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order_no = to_int(getattr(n[0], "c", 0) if n else 0) + 1
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sid = new_id()
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await sor.C("bid_scoring_items", {
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"id": sid, "project_id": project_id,
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"section": (section or "technical")[:30],
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"item_no": str(item_no or "")[:30],
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"item_name": str(item_name)[:250],
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"max_score": to_float(max_score, 0.0),
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"scoring_rule": scoring_rule or "",
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"is_veto": "1" if str(is_veto) in ("1", "true", "True", "是") else "0",
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"weight": to_float(weight, 0.0) or None,
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"source_ref": str(source_ref or "")[:480],
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"target_chapter_no": str(target_chapter_no or "")[:30],
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"order_no": order_no,
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})
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await sor.sqlExe("COMMIT", {})
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await record(sor, project_id, "bid_scoring_items", sid, "add",
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who=who, agent_id=agent_id, detail=str(item_name)[:200])
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return True, "评分项已录入: %s (%s分)" % (item_name, max_score)
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async def add_qualification(project_id, qual_name, requirement="", is_mandatory="1",
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owner="kb", who=None, agent_id=None):
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"""新增一项招标所需资质。"""
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try:
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project_id = await resolve_project_id(project_id)
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except ValueError as e:
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return False, str(e)
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if not qual_name:
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return False, "缺少 qual_name"
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db, dbname = get_db()
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async with db.sqlorContext(dbname) as sor:
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exist = await sor.sqlExe(
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"SELECT id FROM bid_qualifications WHERE project_id=${pid}$ AND qual_name=${nm}$ LIMIT 1",
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{"pid": project_id, "nm": str(qual_name)[:250]})
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await sor.sqlExe("COMMIT", {})
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if exist:
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return True, "资质项已存在: %s" % qual_name
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qid = new_id()
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await sor.C("bid_qualifications", {
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"id": qid, "project_id": project_id,
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"qual_name": str(qual_name)[:250],
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"requirement": requirement or "",
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"is_mandatory": "1" if str(is_mandatory) in ("1", "true", "True", "是") else "0",
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"owner": (owner or "kb")[:15],
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"match_status": "pending",
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})
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await sor.sqlExe("COMMIT", {})
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await record(sor, project_id, "bid_qualifications", qid, "add",
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who=who, agent_id=agent_id, detail=str(qual_name)[:200])
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return True, "资质要求已录入: %s" % qual_name
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async def add_doc_requirement(project_id, requirement, req_type="structure",
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chapter_no="", chapter_title="", page_limit="",
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source_ref="", who=None, agent_id=None):
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"""新增一条投标文件要求（structure 类同时是章节骨架来源）。"""
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try:
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project_id = await resolve_project_id(project_id)
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except ValueError as e:
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return False, str(e)
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if not requirement:
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return False, "缺少 requirement"
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db, dbname = get_db()
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async with db.sqlorContext(dbname) as sor:
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n = await sor.sqlExe(
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"SELECT COUNT(*) AS c FROM bid_doc_requirements WHERE project_id=${pid}$",
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{"pid": project_id})
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await sor.sqlExe("COMMIT", {})
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order_no = to_int(getattr(n[0], "c", 0) if n else 0) + 1
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rid = new_id()
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await sor.C("bid_doc_requirements", {
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"id": rid, "project_id": project_id,
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"req_type": (req_type or "structure")[:30],
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"chapter_no": str(chapter_no or "")[:30],
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"chapter_title": str(chapter_title or "")[:250],
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"requirement": requirement or "",
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"page_limit": to_int(page_limit, 0) or None,
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"source_ref": str(source_ref or "")[:480],
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"order_no": order_no,
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})
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await sor.sqlExe("COMMIT", {})
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return True, "投标文件要求已录入: %s %s" % (req_type, chapter_title or "")
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async def _upsert_tender_facts(project_id, facts, who=None, agent_id=None):
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"""把投标要素写入 bid_tenders（source=tender_doc，复用原招标信息表承载商务要素）。
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无项目关联记录则新建，有则更新要素字段（幂等，可随文件重复解析覆盖）。
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"""
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if not facts or not isinstance(facts, dict):
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return
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str_fields = ("title", "purchaser", "tender_no", "industry", "summary",
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"bid_start_at", "bid_deadline", "project_period",
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"qualification_req", "risk_note")
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num_fields = ("budget_amount", "deposit_amount")
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data = {}
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for k in str_fields:
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v = (facts.get(k) or "").strip()
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if v:
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data[k] = v[:250] if k in ("title", "purchaser", "tender_no", "industry",
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"bid_start_at", "bid_deadline", "project_period") else v[:4000]
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for k in num_fields:
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v = facts.get(k)
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if v not in (None, "", "无"):
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amt = to_float(str(v).replace(",", "").replace("元", "").strip(), 0.0)
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if amt > 0:
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data[k] = amt
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kd = facts.get("key_dates")
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if kd:
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data["key_dates"] = json.dumps(kd, ensure_ascii=False)[:4000]
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if not data:
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return
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db, dbname = get_db()
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async with db.sqlorContext(dbname) as sor:
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recs = await sor.sqlExe(
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"SELECT id FROM bid_tenders WHERE project_id=${pid}$ "
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"ORDER BY created_at DESC LIMIT 1", {"pid": project_id})
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await sor.sqlExe("COMMIT", {})
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if recs:
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tid = getattr(recs[0], "id", "")
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sets = ", ".join("%s=${%s}$" % (k, k) for k in data)
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p = dict(data)
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p["tid"] = tid
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await sor.sqlExe(
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"UPDATE bid_tenders SET " + sets + ", updated_at=NOW() WHERE id=${tid}$", p)
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await sor.sqlExe("COMMIT", {})
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await record(sor, project_id, "bid_tenders", tid, "extract_facts",
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who=who, agent_id=agent_id,
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detail="更新要素: %s" % ", ".join(sorted(data)))
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else:
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tid = new_id()
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data["id"] = tid
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data["project_id"] = project_id
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data["org_id"] = "0"
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data["source"] = "tender_doc"
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data["status"] = TD_SUMMARIZED
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data["created_by"] = who or ""
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await sor.C("bid_tenders", data)
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await sor.sqlExe("COMMIT", {})
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await record(sor, project_id, "bid_tenders", tid, "extract_facts",
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who=who, agent_id=agent_id,
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detail="从招标文件抽取要素: %s" % ", ".join(sorted(data)))
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async def extract_from_file(project_id, file_id="", model_name="", offset=0,
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length=30000, who=None, agent_id=None):
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"""LLM 一次性抽取三类信息并批量落库（评分项/资质/投标文件要求）。
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大文件分段调用（offset 递增），重复项按名称去重，可安全多次调用。
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"""
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try:
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project_id = await resolve_project_id(project_id, file_id=file_id)
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except ValueError as e:
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return False, str(e)
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db, dbname = get_db()
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async with db.sqlorContext(dbname) as sor:
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if file_id:
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recs = await sor.sqlExe(
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"SELECT id, content_text, file_path, file_name FROM bid_tender_files "
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"WHERE id=${fid}$", {"fid": file_id})
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else:
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recs = await sor.sqlExe(
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"SELECT id, content_text, file_path, file_name FROM bid_tender_files "
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"WHERE project_id=${pid}$ AND file_type='tender_doc' ORDER BY created_at LIMIT 1",
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{"pid": project_id})
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await sor.sqlExe("COMMIT", {})
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if not recs:
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return False, "项目下没有招标文件（bid_tender_files），无法抽取"
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d = rec_to_dict(recs[0])
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txt = d.get("content_text") or ""
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if not txt.strip() and d.get("file_path"):
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txt = _extract_file_text(d["file_path"])
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if txt:
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await sor.sqlExe(
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"UPDATE bid_tender_files SET content_text=${c}$ WHERE id=${fid}$",
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{"c": txt[:2000000], "fid": d["id"]})
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await sor.sqlExe("COMMIT", {})
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if not txt.strip():
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return False, "招标文件正文为空，无法抽取（file=%s）" % d.get("file_name", "")
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o = to_int(offset, 0)
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seg = txt[o:o + to_int(length, 30000)]
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data, err = await llm_json(EXTRACT_PROMPT.replace("__CONTENT__", seg),
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model_name=model_name, retries=1)
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if data is None:
|
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return False, "LLM 抽取失败: %s" % err
|
||
cnt = {"scoring_items": 0, "qualifications": 0, "doc_requirements": 0}
|
||
await _upsert_tender_facts(project_id, data.get("tender_facts"),
|
||
who=who, agent_id=agent_id)
|
||
for it in (data.get("scoring_items") or []):
|
||
if not isinstance(it, dict) or not it.get("item_name"):
|
||
continue
|
||
ok, _ = await add_scoring_item(
|
||
project_id, it.get("item_name"), it.get("max_score", 0),
|
||
scoring_rule=it.get("scoring_rule", ""), section=it.get("section", "technical"),
|
||
item_no=it.get("item_no", ""), is_veto=it.get("is_veto", "0"),
|
||
source_ref=it.get("source_ref", ""), who=who, agent_id=agent_id)
|
||
cnt["scoring_items"] += 1 if ok else 0
|
||
for it in (data.get("qualifications") or []):
|
||
if not isinstance(it, dict) or not it.get("qual_name"):
|
||
continue
|
||
ok, _ = await add_qualification(
|
||
project_id, it.get("qual_name"), requirement=it.get("requirement", ""),
|
||
is_mandatory=it.get("is_mandatory", "1"), who=who, agent_id=agent_id)
|
||
cnt["qualifications"] += 1 if ok else 0
|
||
for it in (data.get("doc_requirements") or []):
|
||
if not isinstance(it, dict) or not it.get("requirement"):
|
||
continue
|
||
ok, _ = await add_doc_requirement(
|
||
project_id, it.get("requirement"), req_type=it.get("req_type", "structure"),
|
||
chapter_no=it.get("chapter_no", ""), chapter_title=it.get("chapter_title", ""),
|
||
page_limit=it.get("page_limit", ""), source_ref=it.get("source_ref", ""),
|
||
who=who, agent_id=agent_id)
|
||
cnt["doc_requirements"] += 1 if ok else 0
|
||
return True, ("抽取完成（文件 %s，字符 %d-%d）：评分项 %d，资质 %d，投标文件要求 %d"
|
||
% (d.get("file_name", ""), o, o + len(seg),
|
||
cnt["scoring_items"], cnt["qualifications"], cnt["doc_requirements"]))
|
||
|
||
|
||
# ══════════════ 查询 ══════════════
|
||
|
||
async def list_scoring_items(project_id, section=""):
|
||
try:
|
||
project_id = await resolve_project_id(project_id)
|
||
except ValueError as e:
|
||
return []
|
||
db, dbname = get_db()
|
||
async with db.sqlorContext(dbname) as sor:
|
||
sql = ("SELECT id, section, item_no, item_name, max_score, is_veto, "
|
||
"target_chapter_no, scoring_rule FROM bid_scoring_items WHERE project_id=${pid}$")
|
||
p = {"pid": project_id}
|
||
if section:
|
||
sql += " AND section=${sec}$"
|
||
p["sec"] = section
|
||
sql += " ORDER BY section, order_no"
|
||
recs = await sor.sqlExe(sql, p)
|
||
await sor.sqlExe("COMMIT", {})
|
||
out = rows_to_dicts(recs)
|
||
for r in out:
|
||
r["scoring_rule"] = (r.get("scoring_rule") or "")[:600]
|
||
return out
|
||
|
||
|
||
async def list_doc_requirements(project_id, req_type=""):
|
||
try:
|
||
project_id = await resolve_project_id(project_id)
|
||
except ValueError as e:
|
||
return []
|
||
db, dbname = get_db()
|
||
async with db.sqlorContext(dbname) as sor:
|
||
sql = ("SELECT id, req_type, chapter_no, chapter_title, requirement, page_limit "
|
||
"FROM bid_doc_requirements WHERE project_id=${pid}$")
|
||
p = {"pid": project_id}
|
||
if req_type:
|
||
sql += " AND req_type=${rt}$"
|
||
p["rt"] = req_type
|
||
sql += " ORDER BY req_type, order_no"
|
||
recs = await sor.sqlExe(sql, p)
|
||
await sor.sqlExe("COMMIT", {})
|
||
out = rows_to_dicts(recs)
|
||
for r in out:
|
||
r["requirement"] = (r.get("requirement") or "")[:600]
|
||
return out
|
||
|
||
|
||
# ══════════════ 章节骨架 ══════════════
|
||
|
||
def _infer_section(title):
|
||
"""按章节标题关键词推断商务/技术分类（商务标：报价/商务/资质证明/承诺函等；其余技术标）。"""
|
||
t = title or ""
|
||
biz_kw = ("报价", "投标函", "商务", "资格证明", "资质证明", "承诺书", "声明", "保证金",
|
||
"法定代表人", "授权委托", "财务状况", "业绩一览", "合同格式")
|
||
for kw in biz_kw:
|
||
if kw in t:
|
||
return "business"
|
||
return "technical"
|
||
|
||
|
||
async def create_chapter_outline(project_id, chapters="", who=None, agent_id=None):
|
||
"""生成章节骨架 → bid_chapters(status=pending)。
|
||
|
||
chapters 为空时：自动用 bid_doc_requirements(req_type=structure) 生成，
|
||
并按 target_chapter_no / 章节标题关键词把评分项挂到章节上（scoring_item_ids + max_score）。
|
||
"""
|
||
try:
|
||
project_id = await resolve_project_id(project_id)
|
||
except ValueError as e:
|
||
return False, str(e)
|
||
items = json_loads(chapters, []) if chapters else []
|
||
db, dbname = get_db()
|
||
async with db.sqlorContext(dbname) as sor:
|
||
if not items:
|
||
recs = await sor.sqlExe(
|
||
"SELECT chapter_no, chapter_title, requirement, page_limit FROM bid_doc_requirements "
|
||
"WHERE project_id=${pid}$ AND req_type='structure' ORDER BY order_no",
|
||
{"pid": project_id})
|
||
await sor.sqlExe("COMMIT", {})
|
||
for r in (recs or []):
|
||
d = rec_to_dict(r)
|
||
if not (d.get("chapter_title") or d.get("chapter_no")):
|
||
continue
|
||
items.append({
|
||
"chapter_no": d.get("chapter_no") or "",
|
||
"title": d.get("chapter_title") or "",
|
||
"outline": (d.get("requirement") or "")[:4000],
|
||
"section": _infer_section(d.get("chapter_title") or ""),
|
||
})
|
||
if not items:
|
||
return False, ("无章节来源：请先抽取 req_type=structure 的投标文件要求，"
|
||
"或显式传 chapters=[{\"chapter_no\":\"1\",\"title\":\"...\"}]")
|
||
|
||
sitems = await sor.sqlExe(
|
||
"SELECT id, item_name, max_score, section, target_chapter_no "
|
||
"FROM bid_scoring_items WHERE project_id=${pid}$", {"pid": project_id})
|
||
await sor.sqlExe("COMMIT", {})
|
||
sc = rows_to_dicts(sitems)
|
||
|
||
created, skipped = 0, 0
|
||
for idx, it in enumerate(items):
|
||
if not isinstance(it, dict):
|
||
continue
|
||
cno = str(it.get("chapter_no") or (idx + 1))[:30]
|
||
title = str(it.get("title") or it.get("chapter_title") or "").strip()[:250]
|
||
if not title:
|
||
continue
|
||
exist = await sor.sqlExe(
|
||
"SELECT id FROM bid_chapters WHERE project_id=${pid}$ AND chapter_no=${cno}$ LIMIT 1",
|
||
{"pid": project_id, "cno": cno})
|
||
await sor.sqlExe("COMMIT", {})
|
||
if exist:
|
||
skipped += 1
|
||
continue
|
||
matched, msum = [], 0.0
|
||
for s in sc:
|
||
tgt = (s.get("target_chapter_no") or "").strip()
|
||
nm = s.get("item_name") or ""
|
||
if (tgt and tgt == cno) or (nm and (nm in title or title in nm)):
|
||
matched.append(s["id"])
|
||
msum += to_float(s.get("max_score"), 0.0)
|
||
sec = str(it.get("section") or _infer_section(title) or "technical")[:30]
|
||
await sor.C("bid_chapters", {
|
||
"id": new_id(), "project_id": project_id,
|
||
"chapter_no": cno, "parent_no": str(it.get("parent_no") or "")[:30],
|
||
"title": title, "section": sec,
|
||
"scoring_item_ids": json.dumps(matched, ensure_ascii=False),
|
||
"outline": str(it.get("outline") or "")[:20000],
|
||
"status": CH_PENDING, "version": 1, "revise_count": 0,
|
||
"max_score": msum or None,
|
||
"assignee_role": "agent.bid_biz_writer" if sec == "business" else "agent.bid_writer",
|
||
"order_no": idx + 1,
|
||
})
|
||
created += 1
|
||
await sor.sqlExe("COMMIT", {})
|
||
await record(sor, project_id, "bid_chapters", project_id, "create_outline",
|
||
who=who, agent_id=agent_id, detail="新增 %d 章" % created)
|
||
return True, ("章节骨架已生成：新增 %d 章，已存在跳过 %d 章。"
|
||
"系统将自动为每个章节派发编写任务。" % (created, skipped))
|