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Notion

NotionPageReader #

Bases: BasePydanticReader

Notion Page reader.

Reads a set of Notion pages.

Parameters:

Name Type Description Default
integration_token str

Notion integration token.

None
Source code in llama-index-integrations/readers/llama-index-readers-notion/llama_index/readers/notion/base.py
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class NotionPageReader(BasePydanticReader):
    """Notion Page reader.

    Reads a set of Notion pages.

    Args:
        integration_token (str): Notion integration token.

    """

    is_remote: bool = True
    token: str
    headers: Dict[str, str]

    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`."
                )

        token = integration_token
        headers = {
            "Authorization": "Bearer " + token,
            "Content-Type": "application/json",
            "Notion-Version": "2022-06-28",
        }

        super().__init__(token=token, headers=headers)

    @classmethod
    def class_name(cls) -> str:
        """Get the name identifier of the class."""
        return "NotionPageReader"

    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 = self._request_with_retry(
                "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"]

        return "\n".join(result_lines_arr)

    def _request_with_retry(
        self,
        method: str,
        url: str,
        headers: Dict[str, str],
        json: Optional[Dict[str, Any]] = None,
    ) -> requests.Response:
        """Make a request with retry and rate limit handling."""
        max_retries = 5
        backoff_factor = 1

        for attempt in range(max_retries):
            try:
                response = requests.request(method, url, headers=headers, json=json)
                response.raise_for_status()
                return response
            except requests.exceptions.HTTPError:
                if response.status_code == 429:
                    # Rate limit exceeded
                    retry_after = int(response.headers.get("Retry-After", 1))
                    time.sleep(backoff_factor * (2**attempt) + retry_after)
                else:
                    raise requests.exceptions.HTTPError(
                        f"Request failed: {response.text}"
                    )
            except requests.exceptions.RequestException as err:
                raise requests.exceptions.RequestException(f"Request failed: {err}")
        raise Exception("Maximum retries exceeded")

    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] = {"page_size": 100}
    ) -> List[str]:
        """Get all the pages from a Notion database."""
        pages = []

        res = self._request_with_retry(
            "POST",
            DATABASE_URL_TMPL.format(database_id=database_id),
            headers=self.headers,
            json=query_dict,
        )
        res.raise_for_status()
        data = res.json()

        pages.extend(data.get("results"))

        while data.get("has_more"):
            query_dict["start_cursor"] = data.get("next_cursor")
            res = self._request_with_retry(
                "POST",
                DATABASE_URL_TMPL.format(database_id=database_id),
                headers=self.headers,
                json=query_dict,
            )
            res.raise_for_status()
            data = res.json()
            pages.extend(data.get("results"))

        return [page["id"] for page in pages]

    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 = self._request_with_retry(
                "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_ids: Optional[List[str]] = None
    ) -> List[Document]:
        """Load data from the input directory.

        Args:
            page_ids (List[str]): List of page ids to load.
            database_ids Optional (List[str]): List database ids from which to load page ids.

        Returns:
            List[Document]: List of documents.

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

        return docs

    def list_databases(self) -> List[str]:
        """List all databases in the Notion workspace."""
        query_dict = {"filter": {"property": "object", "value": "database"}}
        res = self._request_with_retry(
            "POST", SEARCH_URL, headers=self.headers, json=query_dict
        )
        res.raise_for_status()
        data = res.json()
        return [db["id"] for db in data["results"]]

class_name classmethod #

class_name() -> str

Get the name identifier of the class.

Source code in llama-index-integrations/readers/llama-index-readers-notion/llama_index/readers/notion/base.py
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@classmethod
def class_name(cls) -> str:
    """Get the name identifier of the class."""
    return "NotionPageReader"

read_page #

read_page(page_id: str) -> str

Read a page.

Source code in llama-index-integrations/readers/llama-index-readers-notion/llama_index/readers/notion/base.py
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def read_page(self, page_id: str) -> str:
    """Read a page."""
    return self._read_block(page_id)

query_database #

query_database(database_id: str, query_dict: Dict[str, Any] = {'page_size': 100}) -> List[str]

Get all the pages from a Notion database.

Source code in llama-index-integrations/readers/llama-index-readers-notion/llama_index/readers/notion/base.py
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def query_database(
    self, database_id: str, query_dict: Dict[str, Any] = {"page_size": 100}
) -> List[str]:
    """Get all the pages from a Notion database."""
    pages = []

    res = self._request_with_retry(
        "POST",
        DATABASE_URL_TMPL.format(database_id=database_id),
        headers=self.headers,
        json=query_dict,
    )
    res.raise_for_status()
    data = res.json()

    pages.extend(data.get("results"))

    while data.get("has_more"):
        query_dict["start_cursor"] = data.get("next_cursor")
        res = self._request_with_retry(
            "POST",
            DATABASE_URL_TMPL.format(database_id=database_id),
            headers=self.headers,
            json=query_dict,
        )
        res.raise_for_status()
        data = res.json()
        pages.extend(data.get("results"))

    return [page["id"] for page in pages]

search #

search(query: str) -> List[str]

Search Notion page given a text query.

Source code in llama-index-integrations/readers/llama-index-readers-notion/llama_index/readers/notion/base.py
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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 = self._request_with_retry(
            "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

load_data #

load_data(page_ids: List[str] = [], database_ids: Optional[List[str]] = None) -> List[Document]

Load data from the input directory.

Parameters:

Name Type Description Default
page_ids List[str]

List of page ids to load.

[]
database_ids Optional (List[str]

List database ids from which to load page ids.

None

Returns:

Type Description
List[Document]

List[Document]: List of documents.

Source code in llama-index-integrations/readers/llama-index-readers-notion/llama_index/readers/notion/base.py
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def load_data(
    self, page_ids: List[str] = [], database_ids: Optional[List[str]] = None
) -> List[Document]:
    """Load data from the input directory.

    Args:
        page_ids (List[str]): List of page ids to load.
        database_ids Optional (List[str]): List database ids from which to load page ids.

    Returns:
        List[Document]: List of documents.

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

    return docs

list_databases #

list_databases() -> List[str]

List all databases in the Notion workspace.

Source code in llama-index-integrations/readers/llama-index-readers-notion/llama_index/readers/notion/base.py
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def list_databases(self) -> List[str]:
    """List all databases in the Notion workspace."""
    query_dict = {"filter": {"property": "object", "value": "database"}}
    res = self._request_with_retry(
        "POST", SEARCH_URL, headers=self.headers, json=query_dict
    )
    res.raise_for_status()
    data = res.json()
    return [db["id"] for db in data["results"]]