File size: 5,638 Bytes
35b22df
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
"""Notion reader."""
import logging
import os
from typing import Any, Dict, List, Optional

import requests  # type: ignore

from gpt_index.readers.base import BaseReader
from gpt_index.readers.schema.base import Document

INTEGRATION_TOKEN_NAME = "NOTION_INTEGRATION_TOKEN"
BLOCK_CHILD_URL_TMPL = "https://api.notion.com/v1/blocks/{block_id}/children"
DATABASE_URL_TMPL = "https://api.notion.com/v1/databases/{database_id}/query"
SEARCH_URL = "https://api.notion.com/v1/search"


# TODO: Notion DB reader coming soon!
class NotionPageReader(BaseReader):
    """Notion Page reader.

    Reads a set of Notion pages.

    Args:
        integration_token (str): Notion integration token.

    """

    def __init__(self, integration_token: Optional[str] = None) -> None:
        """Initialize with parameters."""
        if integration_token is None:
            integration_token = os.getenv(INTEGRATION_TOKEN_NAME)
            if integration_token is None:
                raise ValueError(
                    "Must specify `integration_token` or set environment "
                    "variable `NOTION_INTEGRATION_TOKEN`."
                )
        self.token = integration_token
        self.headers = {
            "Authorization": "Bearer " + self.token,
            "Content-Type": "application/json",
            "Notion-Version": "2022-06-28",
        }

    def _read_block(self, block_id: str, num_tabs: int = 0) -> str:
        """Read a block."""
        done = False
        result_lines_arr = []
        cur_block_id = block_id
        while not done:
            block_url = BLOCK_CHILD_URL_TMPL.format(block_id=cur_block_id)
            query_dict: Dict[str, Any] = {}

            res = requests.request(
                "GET", block_url, headers=self.headers, json=query_dict
            )
            data = res.json()

            for result in data["results"]:
                result_type = result["type"]
                result_obj = result[result_type]

                cur_result_text_arr = []
                if "rich_text" in result_obj:
                    for rich_text in result_obj["rich_text"]:
                        # skip if doesn't have text object
                        if "text" in rich_text:
                            text = rich_text["text"]["content"]
                            prefix = "\t" * num_tabs
                            cur_result_text_arr.append(prefix + text)

                result_block_id = result["id"]
                has_children = result["has_children"]
                if has_children:
                    children_text = self._read_block(
                        result_block_id, num_tabs=num_tabs + 1
                    )
                    cur_result_text_arr.append(children_text)

                cur_result_text = "\n".join(cur_result_text_arr)
                result_lines_arr.append(cur_result_text)

            if data["next_cursor"] is None:
                done = True
                break
            else:
                cur_block_id = data["next_cursor"]

        result_lines = "\n".join(result_lines_arr)
        return result_lines

    def read_page(self, page_id: str) -> str:
        """Read a page."""
        return self._read_block(page_id)

    def query_database(
        self, database_id: str, query_dict: Dict[str, Any] = {}
    ) -> List[str]:
        """Get all the pages from a Notion database."""
        res = requests.post(
            DATABASE_URL_TMPL.format(database_id=database_id),
            headers=self.headers,
            json=query_dict,
        )
        data = res.json()
        page_ids = []
        for result in data["results"]:
            page_id = result["id"]
            page_ids.append(page_id)

        return page_ids

    def search(self, query: str) -> List[str]:
        """Search Notion page given a text query."""
        done = False
        next_cursor: Optional[str] = None
        page_ids = []
        while not done:
            query_dict = {
                "query": query,
            }
            if next_cursor is not None:
                query_dict["start_cursor"] = next_cursor
            res = requests.post(SEARCH_URL, headers=self.headers, json=query_dict)
            data = res.json()
            for result in data["results"]:
                page_id = result["id"]
                page_ids.append(page_id)

            if data["next_cursor"] is None:
                done = True
                break
            else:
                next_cursor = data["next_cursor"]
        return page_ids

    def load_data(
        self, page_ids: List[str] = [], database_id: Optional[str] = None
    ) -> List[Document]:
        """Load data from the input directory.

        Args:
            page_ids (List[str]): List of page ids to load.

        Returns:
            List[Document]: List of documents.

        """
        if not page_ids and not database_id:
            raise ValueError("Must specify either `page_ids` or `database_id`.")
        docs = []
        if database_id is not None:
            # get all the pages in the database
            page_ids = self.query_database(database_id)
            for page_id in page_ids:
                page_text = self.read_page(page_id)
                docs.append(Document(page_text, extra_info={"page_id": page_id}))
        else:
            for page_id in page_ids:
                page_text = self.read_page(page_id)
                docs.append(Document(page_text, extra_info={"page_id": page_id}))

        return docs


if __name__ == "__main__":
    reader = NotionPageReader()
    logging.info(reader.search("What I"))