mirror of
https://git.mirrors.martin98.com/https://github.com/langgenius/dify.git
synced 2025-07-09 03:31:46 +08:00
370 lines
14 KiB
Python
370 lines
14 KiB
Python
"""Notion reader."""
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import json
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import logging
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import os
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from datetime import datetime
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from typing import Any, Dict, List, Optional
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import requests # type: ignore
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from llama_index.readers.base import BaseReader
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from llama_index.readers.schema.base import Document
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INTEGRATION_TOKEN_NAME = "NOTION_INTEGRATION_TOKEN"
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BLOCK_CHILD_URL_TMPL = "https://api.notion.com/v1/blocks/{block_id}/children"
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DATABASE_URL_TMPL = "https://api.notion.com/v1/databases/{database_id}/query"
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SEARCH_URL = "https://api.notion.com/v1/search"
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RETRIEVE_PAGE_URL_TMPL = "https://api.notion.com/v1/pages/{page_id}"
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RETRIEVE_DATABASE_URL_TMPL = "https://api.notion.com/v1/databases/{database_id}"
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HEADING_TYPE = ['heading_1', 'heading_2', 'heading_3']
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logger = logging.getLogger(__name__)
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# TODO: Notion DB reader coming soon!
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class NotionPageReader(BaseReader):
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"""Notion Page reader.
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Reads a set of Notion pages.
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Args:
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integration_token (str): Notion integration token.
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"""
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def __init__(self, integration_token: Optional[str] = None) -> None:
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"""Initialize with parameters."""
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if integration_token is None:
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integration_token = os.getenv(INTEGRATION_TOKEN_NAME)
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if integration_token is None:
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raise ValueError(
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"Must specify `integration_token` or set environment "
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"variable `NOTION_INTEGRATION_TOKEN`."
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)
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self.token = integration_token
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self.headers = {
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"Authorization": "Bearer " + self.token,
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"Content-Type": "application/json",
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"Notion-Version": "2022-06-28",
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}
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def _read_block(self, block_id: str, num_tabs: int = 0) -> str:
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"""Read a block."""
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done = False
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result_lines_arr = []
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cur_block_id = block_id
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while not done:
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block_url = BLOCK_CHILD_URL_TMPL.format(block_id=cur_block_id)
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query_dict: Dict[str, Any] = {}
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res = requests.request(
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"GET", block_url, headers=self.headers, json=query_dict
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)
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data = res.json()
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if 'results' not in data or data["results"] is None:
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done = True
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break
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heading = ''
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for result in data["results"]:
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result_type = result["type"]
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result_obj = result[result_type]
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cur_result_text_arr = []
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if result_type == 'table':
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result_block_id = result["id"]
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text = self._read_table_rows(result_block_id)
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result_lines_arr.append(text)
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else:
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if "rich_text" in result_obj:
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for rich_text in result_obj["rich_text"]:
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# skip if doesn't have text object
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if "text" in rich_text:
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text = rich_text["text"]["content"]
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prefix = "\t" * num_tabs
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cur_result_text_arr.append(prefix + text)
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if result_type in HEADING_TYPE:
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heading = text
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result_block_id = result["id"]
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has_children = result["has_children"]
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block_type = result["type"]
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if has_children and block_type != 'child_page':
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children_text = self._read_block(
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result_block_id, num_tabs=num_tabs + 1
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)
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cur_result_text_arr.append(children_text)
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cur_result_text = "\n".join(cur_result_text_arr)
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if result_type in HEADING_TYPE:
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result_lines_arr.append(cur_result_text)
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else:
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result_lines_arr.append(f'{heading}\n{cur_result_text}')
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if data["next_cursor"] is None:
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done = True
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break
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else:
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cur_block_id = data["next_cursor"]
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result_lines = "\n".join(result_lines_arr)
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return result_lines
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def _read_table_rows(self, block_id: str) -> str:
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"""Read table rows."""
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done = False
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result_lines_arr = []
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cur_block_id = block_id
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while not done:
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block_url = BLOCK_CHILD_URL_TMPL.format(block_id=cur_block_id)
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query_dict: Dict[str, Any] = {}
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res = requests.request(
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"GET", block_url, headers=self.headers, json=query_dict
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)
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data = res.json()
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# get table headers text
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table_header_cell_texts = []
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tabel_header_cells = data["results"][0]['table_row']['cells']
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for tabel_header_cell in tabel_header_cells:
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if tabel_header_cell:
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for table_header_cell_text in tabel_header_cell:
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text = table_header_cell_text["text"]["content"]
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table_header_cell_texts.append(text)
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# get table columns text and format
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results = data["results"]
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for i in range(len(results)-1):
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column_texts = []
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tabel_column_cells = data["results"][i+1]['table_row']['cells']
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for j in range(len(tabel_column_cells)):
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if tabel_column_cells[j]:
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for table_column_cell_text in tabel_column_cells[j]:
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column_text = table_column_cell_text["text"]["content"]
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column_texts.append(f'{table_header_cell_texts[j]}:{column_text}')
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cur_result_text = "\n".join(column_texts)
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result_lines_arr.append(cur_result_text)
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if data["next_cursor"] is None:
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done = True
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break
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else:
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cur_block_id = data["next_cursor"]
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result_lines = "\n".join(result_lines_arr)
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return result_lines
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def _read_parent_blocks(self, block_id: str, num_tabs: int = 0) -> List[str]:
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"""Read a block."""
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done = False
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result_lines_arr = []
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cur_block_id = block_id
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while not done:
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block_url = BLOCK_CHILD_URL_TMPL.format(block_id=cur_block_id)
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query_dict: Dict[str, Any] = {}
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res = requests.request(
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"GET", block_url, headers=self.headers, json=query_dict
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)
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data = res.json()
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# current block's heading
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heading = ''
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for result in data["results"]:
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result_type = result["type"]
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result_obj = result[result_type]
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cur_result_text_arr = []
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if result_type == 'table':
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result_block_id = result["id"]
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text = self._read_table_rows(result_block_id)
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text += "\n\n"
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result_lines_arr.append(text)
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else:
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if "rich_text" in result_obj:
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for rich_text in result_obj["rich_text"]:
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# skip if doesn't have text object
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if "text" in rich_text:
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text = rich_text["text"]["content"]
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cur_result_text_arr.append(text)
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if result_type in HEADING_TYPE:
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heading = text
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result_block_id = result["id"]
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has_children = result["has_children"]
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block_type = result["type"]
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if has_children and block_type != 'child_page':
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children_text = self._read_block(
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result_block_id, num_tabs=num_tabs + 1
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)
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cur_result_text_arr.append(children_text)
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cur_result_text = "\n".join(cur_result_text_arr)
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cur_result_text += "\n\n"
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if result_type in HEADING_TYPE:
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result_lines_arr.append(cur_result_text)
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else:
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result_lines_arr.append(f'{heading}\n{cur_result_text}')
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if data["next_cursor"] is None:
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done = True
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break
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else:
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cur_block_id = data["next_cursor"]
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return result_lines_arr
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def read_page(self, page_id: str) -> str:
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"""Read a page."""
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return self._read_block(page_id)
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def read_page_as_documents(self, page_id: str) -> List[str]:
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"""Read a page as documents."""
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return self._read_parent_blocks(page_id)
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def query_database_data(
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self, database_id: str, query_dict: Dict[str, Any] = {}
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) -> str:
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"""Get all the pages from a Notion database."""
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res = requests.post\
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(
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DATABASE_URL_TMPL.format(database_id=database_id),
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headers=self.headers,
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json=query_dict,
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)
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data = res.json()
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database_content_list = []
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if 'results' not in data or data["results"] is None:
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return ""
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for result in data["results"]:
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properties = result['properties']
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data = {}
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for property_name, property_value in properties.items():
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type = property_value['type']
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if type == 'multi_select':
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value = []
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multi_select_list = property_value[type]
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for multi_select in multi_select_list:
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value.append(multi_select['name'])
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elif type == 'rich_text' or type == 'title':
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if len(property_value[type]) > 0:
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value = property_value[type][0]['plain_text']
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else:
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value = ''
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elif type == 'select' or type == 'status':
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if property_value[type]:
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value = property_value[type]['name']
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else:
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value = ''
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else:
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value = property_value[type]
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data[property_name] = value
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database_content_list.append(json.dumps(data))
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return "\n\n".join(database_content_list)
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def query_database(
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self, database_id: str, query_dict: Dict[str, Any] = {}
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) -> List[str]:
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"""Get all the pages from a Notion database."""
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res = requests.post\
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(
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DATABASE_URL_TMPL.format(database_id=database_id),
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headers=self.headers,
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json=query_dict,
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)
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data = res.json()
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page_ids = []
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for result in data["results"]:
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page_id = result["id"]
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page_ids.append(page_id)
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return page_ids
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def search(self, query: str) -> List[str]:
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"""Search Notion page given a text query."""
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done = False
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next_cursor: Optional[str] = None
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page_ids = []
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while not done:
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query_dict = {
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"query": query,
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}
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if next_cursor is not None:
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query_dict["start_cursor"] = next_cursor
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res = requests.post(SEARCH_URL, headers=self.headers, json=query_dict)
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data = res.json()
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for result in data["results"]:
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page_id = result["id"]
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page_ids.append(page_id)
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if data["next_cursor"] is None:
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done = True
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break
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else:
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next_cursor = data["next_cursor"]
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return page_ids
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def load_data(
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self, page_ids: List[str] = [], database_id: Optional[str] = None
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) -> List[Document]:
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"""Load data from the input directory.
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Args:
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page_ids (List[str]): List of page ids to load.
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Returns:
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List[Document]: List of documents.
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"""
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if not page_ids and not database_id:
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raise ValueError("Must specify either `page_ids` or `database_id`.")
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docs = []
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if database_id is not None:
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# get all the pages in the database
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page_ids = self.query_database(database_id)
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for page_id in page_ids:
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page_text = self.read_page(page_id)
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docs.append(Document(page_text))
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else:
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for page_id in page_ids:
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page_text = self.read_page(page_id)
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docs.append(Document(page_text))
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return docs
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def load_data_as_documents(
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self, page_ids: List[str] = [], database_id: Optional[str] = None
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) -> List[Document]:
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if not page_ids and not database_id:
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raise ValueError("Must specify either `page_ids` or `database_id`.")
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docs = []
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if database_id is not None:
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# get all the pages in the database
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page_text = self.query_database_data(database_id)
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docs.append(Document(page_text))
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else:
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for page_id in page_ids:
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page_text_list = self.read_page_as_documents(page_id)
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for page_text in page_text_list:
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docs.append(Document(page_text))
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return docs
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def get_page_last_edited_time(self, page_id: str) -> str:
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retrieve_page_url = RETRIEVE_PAGE_URL_TMPL.format(page_id=page_id)
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query_dict: Dict[str, Any] = {}
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res = requests.request(
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"GET", retrieve_page_url, headers=self.headers, json=query_dict
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)
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data = res.json()
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return data["last_edited_time"]
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def get_database_last_edited_time(self, database_id: str) -> str:
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retrieve_page_url = RETRIEVE_DATABASE_URL_TMPL.format(database_id=database_id)
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query_dict: Dict[str, Any] = {}
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res = requests.request(
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"GET", retrieve_page_url, headers=self.headers, json=query_dict
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)
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data = res.json()
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return data["last_edited_time"]
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if __name__ == "__main__":
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reader = NotionPageReader()
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logger.info(reader.search("What I"))
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