优化切片,增加章节图片信息
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5a2ee98dfb
commit
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129
chunk_text.py
129
chunk_text.py
@ -581,10 +581,10 @@ def extract_maintenance_groups_and_remaining(
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if is_start:
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if is_start:
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# 如果是第一个维修表,跳过(不加入 groups,也不标记 used_ids)
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# 如果是第一个维修表,跳过(不加入 groups,也不标记 used_ids)
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if not skipped_first:
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if not skipped_first:
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skipped_first = True
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skipped_first = True
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# 注意:这里不清空 current_group,因为前面不可能有 group(第一个 start)
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# 注意:这里不清空 current_group,因为前面不可能有 group(第一个 start)
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current_group = None # 确保不会把之前的非 start 内容误加
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current_group = None # 确保不会把之前的非 start 内容误加
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continue # 跳过这个 record,不加入任何 group
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continue # 跳过这个 record,不加入任何 group
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@ -597,7 +597,7 @@ def extract_maintenance_groups_and_remaining(
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if current_group is not None:
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if current_group is not None:
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current_group.append(record)
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current_group.append(record)
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# 处理最后一个 group(仅当有有效 group 时)
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# 处理最后一个 group(仅当有有效 group 时)
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if current_group is not None:
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if current_group is not None:
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groups.append(current_group)
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groups.append(current_group)
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used_ids.update(r["id"] for r in current_group)
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used_ids.update(r["id"] for r in current_group)
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@ -646,7 +646,7 @@ def is_operation_table_by_first_tr(table_body: str) -> bool:
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def extract_operation_groups_and_remaining(records, max_following_for_last=23):
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def extract_operation_groups_and_remaining(records, max_following_for_last=23):
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"""
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"""
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通过语义判断表格是否为操作项目表(基于第一行内容),并分组。
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通过语义判断表格是否为操作项目表(基于第一行内容),并分组。
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注意:第一个识别到的操作项目表及其后续记录组成的 group 会被跳过(不加入 groups),
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注意:第一个识别到的操作项目表及其后续记录组成的 group 会被跳过(不加入 groups),
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但这些记录仍保留在 remaining_records 中。
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但这些记录仍保留在 remaining_records 中。
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普通起始标记:组 = [start, ..., next_start - 1]
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普通起始标记:组 = [start, ..., next_start - 1]
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@ -667,7 +667,7 @@ def extract_operation_groups_and_remaining(records, max_following_for_last=23):
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if current_group is not None:
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if current_group is not None:
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# 决定是否保留当前积累的 group
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# 决定是否保留当前积累的 group
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if not first_group_skipped:
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if not first_group_skipped:
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# 跳过第一个 group:不清空 current_group,也不加入 groups 或 used_ids
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# 跳过第一个 group:不清空 current_group,也不加入 groups 或 used_ids
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first_group_skipped = True
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first_group_skipped = True
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# 注意:这里不把 current_group 加入 groups,也不更新 used_ids
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# 注意:这里不把 current_group 加入 groups,也不更新 used_ids
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else:
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else:
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@ -682,7 +682,7 @@ def extract_operation_groups_and_remaining(records, max_following_for_last=23):
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if current_group is not None:
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if current_group is not None:
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current_group.append(record)
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current_group.append(record)
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# 处理最后一个 group(如果存在)
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# 处理最后一个 group(如果存在)
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if current_group is not None:
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if current_group is not None:
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if not first_group_skipped:
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if not first_group_skipped:
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# 整个数据中只有一个 group,且是第一个 → 跳过它
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# 整个数据中只有一个 group,且是第一个 → 跳过它
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@ -691,7 +691,7 @@ def extract_operation_groups_and_remaining(records, max_following_for_last=23):
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groups.append(current_group)
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groups.append(current_group)
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used_ids.update(r["id"] for r in current_group)
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used_ids.update(r["id"] for r in current_group)
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# —————— 后处理:截断最后一个 group(如果需要) ——————
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# —————— 后处理:截断最后一个 group(如果需要) ——————
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if groups and max_following_for_last is not None:
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if groups and max_following_for_last is not None:
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last_group = groups[-1]
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last_group = groups[-1]
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if len(last_group) > max_following_for_last + 1: # +1 是起始记录本身
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if len(last_group) > max_following_for_last + 1: # +1 是起始记录本身
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@ -740,7 +740,7 @@ def extract_wxanli(records):
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# 收集当前切片
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# 收集当前切片
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slice_records = []
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slice_records = []
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# 添加前2个记录(如果存在且未超出边界)
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# 添加前2个记录(如果存在且未超出边界)
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for offset in [2, 1]:
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for offset in [2, 1]:
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prev_idx = start_pos - offset
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prev_idx = start_pos - offset
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if prev_idx >= 0:
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if prev_idx >= 0:
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@ -1113,7 +1113,7 @@ async def data_replace(data, prefix):
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def filter_content_bbox(data, max_length=3000):
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def filter_content_bbox(data, max_length=3000):
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"""
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"""
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将 data 中的 text/table/image 内容按字符长度分块(每块不超过 max_length),
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将 data 中的 text/table/image 内容按字符长度分块(每块不超过 max_length),
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返回 [{"content": str, "highlight_list": list}, ...]
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返回 [{"content": str, "highlight_list": list}, ...]
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"""
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"""
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chunks = []
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chunks = []
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@ -1152,7 +1152,7 @@ def filter_content_bbox(data, max_length=3000):
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current_content = ""
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current_content = ""
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current_highlight_list = []
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current_highlight_list = []
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# 如果单个 added_content 超过 max_length,仍需保留(避免丢弃)
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# 如果单个 added_content 超过 max_length,仍需保留(避免丢弃)
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if len(added_content) > max_length:
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if len(added_content) > max_length:
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# 强制截断或直接放入(这里选择直接放入,避免信息丢失)
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# 强制截断或直接放入(这里选择直接放入,避免信息丢失)
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current_content = added_content[:max_length]
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current_content = added_content[:max_length]
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@ -1253,9 +1253,9 @@ def find_ship_info_by_hull(json_file_path, data):
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print(f"错误:找不到文件 {json_file_path}")
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print(f"错误:找不到文件 {json_file_path}")
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return None
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return None
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except json.JSONDecodeError:
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except json.JSONDecodeError:
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print("错误:JSON 文件格式不正确")
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print("错误:JSON 文件格式不正确")
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return None
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return None
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def merge_short_slices(slices, min_length=30,filename="122-06A0014-B01003_雷达-使用说明书.pdf"):
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# def merge_short_slices(slices, min_length=30,filename="122-06A0014-B01003_雷达-使用说明书.pdf"):
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"""
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"""
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合并过短的切片:
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合并过短的切片:
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- 如果某切片 content 长度 <= min_length,则将其合并到下一个切片的开头
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- 如果某切片 content 长度 <= min_length,则将其合并到下一个切片的开头
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@ -1351,6 +1351,111 @@ def merge_short_slices(slices, min_length=30,filename="122-06A0014-B01003_雷达
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ins['content'] = content[:newline_idx] + suffix + content[newline_idx:]
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ins['content'] = content[:newline_idx] + suffix + content[newline_idx:]
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return result
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return result
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def merge_short_slices(slices, min_length=30, filename="122-06A0014-B01003_雷达-使用说明书.pdf"):
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"""
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合并过短的切片:
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- 如果某切片 content 长度 <= min_length,则将其合并到下一个切片的开头
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- 若处于末尾无下一个切片,则反向合并到上一个切片末尾
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- content 用换行拼接,positions 顺序拼接
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Args:
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slices: [{"content": str, "positions": [...]}]
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min_length: 短切片的字符长度阈值(含)
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filename: 用于实体提取的文件名
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Returns:
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合并后的 slices 列表
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"""
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if not slices:
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return slices
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result = []
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pending_contents = [] # 缓存等待合并到"下一个"的短切片 content
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pending_positions = [] # 缓存对应的 positions
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for ins in slices:
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content = ins.get("content", "") or ""
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positions = ins.get("positions", []) or []
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if len(content) <= min_length:
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# 暂存,等到下一个正常长度的切片再合并
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pending_contents.append(content)
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pending_positions.extend(positions)
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else:
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# 正常切片:把暂存的短切片合并到它的开头
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if pending_contents:
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merged_prefix = "\n".join(pending_contents)
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content = merged_prefix + ("\n" if merged_prefix else "") + content
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positions = pending_positions + positions
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pending_contents = []
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pending_positions = []
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result.append({
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"content": content,
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"positions": positions
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})
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# 收尾:如果末尾还有未合并的短切片(后面没有正常切片可合并)
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# 则反向合并到上一个切片末尾
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if pending_contents:
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merged_suffix = "\n".join(pending_contents)
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if result:
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last = result[-1]
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last["content"] = (last["content"] or "") + ("\n" if last["content"] else "") + merged_suffix
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last["positions"] = (last["positions"] or []) + pending_positions
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else:
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# 极端情况:所有切片都很短,整体作为一个切片返回
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result.append({
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"content": merged_suffix,
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"positions": pending_positions
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})
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try:
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final_result = get_entity(filename)
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xinghao = find_ship_info_by_hull(SHIP_MODEL_NAME, final_result)
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if xinghao is None: # 确保 xinghao 为 None 时不会报错
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xinghao = {"model_name": "", "ship_name": ""}
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print("未找到匹配的舰船信息")
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# 安全处理 xinghao 为 None 的情况
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model_name = ""
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if xinghao and 'model_name' in xinghao:
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model_name = xinghao['model_name']
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other_data = format_entity_text(final_result)
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logger.info(f"文件名实体提取成功: {other_data}")
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except Exception as e:
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logger.warning(f"文件名实体提取失败: {e}")
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other_data = ""
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model_name = "" # 确保异常时 model_name 有定义
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# 将提取的信息(如舰艇名、型号)注入到每个切片的开头
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for ins in result:
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content = ins['content']
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# 如果没有提取到有效数据,则跳过注入
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newline_idx = content.find('\n')
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info = other_data
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if model_name:
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info += f',型号为{model_name}'
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# ===== 修改部分:拼接文件名 + 实体信息 =====
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# 构建前缀:#文件名为:xxx.pdf(实体信息)
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filename_prefix = f"#文件名为:{filename}"
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if info:
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filename_prefix += f"({info})"
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# 注意:这里使用全角右括号")"以匹配你的示例,如需半角请改为 ")"
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# 将前缀插入到 content 的最开头
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if content:
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ins['content'] = filename_prefix + "\n" + content
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else:
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ins['content'] = filename_prefix
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# ==========================================
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return result
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def find_and_read_content_list(directory, original_filename, encoding='utf-8'):
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def find_and_read_content_list(directory, original_filename, encoding='utf-8'):
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"""
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"""
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根据原始文件名,在指定目录及其子目录下查找对应的 _content_list.json 文件并返回内容。
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根据原始文件名,在指定目录及其子目录下查找对应的 _content_list.json 文件并返回内容。
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