Docs/website/docs/examples/qdrant eg

.github/workflows/test_doc_snippets.yml

@@ -24,6 +24,8 @@ env:
   RUNTIME__SLACK_INCOMING_HOOK: ${{ secrets.RUNTIME__SLACK_INCOMING_HOOK }}
   # Mongodb url for nested data example
   MONGODB_PIPELINE__SOURCES__CONNECTION_URL: ${{ secrets.MONGODB_PIPELINE__SOURCES__CONNECTION_URL }}
+  # Qdrant credentials
+  DESTINATION__QDRANT__CREDENTIALS: ${{ secrets.QDRANT__CREDENTIALS }}
 jobs:
 
   run_lint:

docs/examples/connector_x_arrow/load_arrow.py

@@ -0,0 +1,39 @@
+import connectorx as cx
+
+import dlt
+from dlt.sources.credentials import ConnectionStringCredentials
+
+def read_sql_x(
+    conn_str: ConnectionStringCredentials = dlt.secrets.value,
+    query: str = dlt.config.value,
+):
+    yield cx.read_sql(
+        conn_str.to_native_representation(),
+        query,
+        return_type="arrow2",
+        protocol="binary",
+    )
+
+def genome_resource():
+    # create genome resource with merge on `upid` primary key
+    genome = dlt.resource(
+        name="genome",
+        write_disposition="merge",
+        primary_key="upid",
+        standalone=True,
+    )(read_sql_x)(
+        "mysql://[email protected]:4497/Rfam",  # type: ignore[arg-type]
+        "SELECT * FROM genome ORDER BY created LIMIT 1000",
+    )
+    # add incremental on created at
+    genome.apply_hints(incremental=dlt.sources.incremental("created"))
+    return genome
+
+
+if __name__ == "__main__":
+    pipeline = dlt.pipeline(destination="duckdb")
+    genome = genome_resource()
+
+    print(pipeline.run(genome))
+    print(pipeline.last_trace.last_normalize_info)
+    # NOTE: run pipeline again to see that no more records got loaded thanks to incremental loading

docs/examples/qdrant_zendesk/qdrant.py

@@ -0,0 +1,174 @@
+from typing import Optional, Dict, Any, Tuple
+
+import dlt
+from dlt.common import pendulum
+from dlt.common.time import ensure_pendulum_datetime
+from dlt.common.typing import TAnyDateTime
+from dlt.sources.helpers.requests import client
+from dlt.destinations.qdrant import qdrant_adapter
+from qdrant_client import QdrantClient
+
+from dlt.common.configuration.inject import with_config
+
+# function from: https://github.com/dlt-hub/verified-sources/tree/master/sources/zendesk
+@dlt.source(max_table_nesting=2)
+def zendesk_support(
+    credentials: Dict[str, str] = dlt.secrets.value,
+    start_date: Optional[TAnyDateTime] = pendulum.datetime(year=2000, month=1, day=1),  # noqa: B008
+    end_date: Optional[TAnyDateTime] = None,
+):
+    """
+    Retrieves data from Zendesk Support for tickets events.
+
+    Args:
+        credentials: Zendesk credentials (default: dlt.secrets.value)
+        start_date: Start date for data extraction (default: 2000-01-01)
+        end_date: End date for data extraction (default: None).
+            If end time is not provided, the incremental loading will be
+            enabled, and after the initial run, only new data will be retrieved.
+
+    Returns:
+        DltResource.
+    """
+    # Convert start_date and end_date to Pendulum datetime objects
+    start_date_obj = ensure_pendulum_datetime(start_date)
+    end_date_obj = ensure_pendulum_datetime(end_date) if end_date else None
+
+    # Extract credentials from secrets dictionary
+    auth = (credentials["email"], credentials["password"])
+    subdomain = credentials["subdomain"]
+    url = f"https://{subdomain}.zendesk.com"
+
+    # we use `append` write disposition, because objects in tickets_data endpoint are never updated
+    #  so we do not need to merge
+    # we set primary_key so allow deduplication of events by the `incremental` below in the rare case
+    #  when two events have the same timestamp
+    @dlt.resource(primary_key="id", write_disposition="append")
+    def tickets_data(
+        updated_at: dlt.sources.incremental[
+            pendulum.DateTime
+        ] = dlt.sources.incremental(
+            "updated_at",
+            initial_value=start_date_obj,
+            end_value=end_date_obj,
+            allow_external_schedulers=True,
+        )
+    ):
+        # URL For ticket events
+        # 'https://d3v-dlthub.zendesk.com/api/v2/incremental/tickets_data.json?start_time=946684800'
+        event_pages = get_pages(
+            url=url,
+            endpoint="/api/v2/incremental/tickets",
+            auth=auth,
+            data_point_name="tickets",
+            params={"start_time": updated_at.last_value.int_timestamp},
+        )
+        for page in event_pages:
+            yield ([_fix_date(ticket) for ticket in page])
+
+            # stop loading when using end_value and end is reached.
+            # unfortunately, Zendesk API does not have the "end_time" parameter, so we stop iterating ourselves
+            if updated_at.end_out_of_range:
+                return
+
+    return tickets_data
+
+
+# helper function to fix the datetime format
+def _parse_date_or_none(value: Optional[str]) -> Optional[pendulum.DateTime]:
+    if not value:
+        return None
+    return ensure_pendulum_datetime(value)
+
+# modify dates to return datetime objects instead
+def _fix_date(ticket):
+    ticket["updated_at"] = _parse_date_or_none(ticket["updated_at"])
+    ticket["created_at"] = _parse_date_or_none(ticket["created_at"])
+    ticket["due_at"] = _parse_date_or_none(ticket["due_at"])
+    return ticket
+
+# function from: https://github.com/dlt-hub/verified-sources/tree/master/sources/zendesk
+def get_pages(
+    url: str,
+    endpoint: str,
+    auth: Tuple[str, str],
+    data_point_name: str,
+    params: Optional[Dict[str, Any]] = None,
+):
+    """
+    Makes a request to a paginated endpoint and returns a generator of data items per page.
+
+    Args:
+        url: The base URL.
+        endpoint: The url to the endpoint, e.g. /api/v2/calls
+        auth: Credentials for authentication.
+        data_point_name: The key which data items are nested under in the response object (e.g. calls)
+        params: Optional dict of query params to include in the request.
+
+    Returns:
+        Generator of pages, each page is a list of dict data items.
+    """
+    # update the page size to enable cursor pagination
+    params = params or {}
+    params["per_page"] = 1000
+    headers = None
+
+    # make request and keep looping until there is no next page
+    get_url = f"{url}{endpoint}"
+    while get_url:
+        response = client.get(
+            get_url, headers=headers, auth=auth, params=params
+        )
+        response.raise_for_status()
+        response_json = response.json()
+        result = response_json[data_point_name]
+        yield result
+
+        get_url = None
+        # See https://developer.zendesk.com/api-reference/ticketing/ticket-management/incremental_exports/#json-format
+        if not response_json["end_of_stream"]:
+            get_url = response_json["next_page"]
+
+if __name__ == "__main__":
+
+
+    # create a pipeline with an appropriate name
+    pipeline = dlt.pipeline(
+        pipeline_name="qdrant_zendesk_pipeline",
+        destination="qdrant",
+        dataset_name="zendesk_data",
+    )
+
+    # run the dlt pipeline and save info about the load process
+    load_info = pipeline.run(
+        # here we use a special function to tell Qdrant which fields to embed
+        qdrant_adapter(
+            zendesk_support(), # retrieve tickets data
+            embed=["subject", "description"],
+        )
+    )
+
+    print(load_info)
+
+
+    # running the Qdrant client to connect to your Qdrant database
+
+    @with_config(sections=("destination", "credentials"))
+    def get_qdrant_client(location=dlt.secrets.value, api_key=dlt.secrets.value):
+        return QdrantClient(
+            url=location,
+            api_key=api_key,
+        )
+
+    # running the Qdrant client to connect to your Qdrant database
+    qdrant_client = get_qdrant_client()
+
+    # view Qdrant collections you'll find your dataset here:
+    print(qdrant_client.get_collections())
+
+    # query Qdrant with prompt: getting tickets info close to "cancellation"
+    response = qdrant_client.query(
+        "zendesk_data_content",  # collection/dataset name with the 'content' suffix -> tickets content table
+        query_text=["cancel", "cancel subscription"],  # prompt to search
+        limit=3  # limit the number of results to the nearest 3 embeddings
+    )

docs/website/docs/examples/_examples-header.md

@@ -14,8 +14,8 @@ import CodeBlock from '@theme/CodeBlock';
 git clone [email protected]:dlt-hub/dlt.git
 # go to example directory
 cd ./dlt/docs/examples/${props.slug}
-# install dlt with duckdb
-pip install "dlt[duckdb]"
+# install dlt with ${props.destination}
+pip install "dlt[${props.destination}]"
 # run the example script
 python ${props.run_file}.py`}
 </CodeBlock>

docs/website/docs/examples/chess_production/code/chess-snippets.py

@@ -179,3 +179,4 @@ def load_data_with_retry(pipeline, data):
         data = chess(chess_url="https://api.chess.com/pub/", max_players=MAX_PLAYERS)
         load_data_with_retry(pipeline, data)
     # @@@DLT_SNIPPET_END markdown_pipeline
+    # @@@DLT_SNIPPET_END example

docs/website/docs/examples/chess_production/index.md

@@ -9,7 +9,8 @@ import Header from '../_examples-header.md';
 <Header
     intro="In this tutorial, you will learn how to investigate, track, retry and test your loads."
     slug="chess_production"
-    run_file="chess" />
+    run_file="chess"
+    destination="duckdb" />
 
 ## Run chess pipeline in production
 

docs/website/docs/examples/connector_x_arrow/code/load_arrow-snippets.py

@@ -1,41 +1,52 @@
 def connector_x_snippet() -> None:
-
+    # @@@DLT_SNIPPET_START example
     # @@@DLT_SNIPPET_START markdown_source
-
     import connectorx as cx
 
     import dlt
     from dlt.sources.credentials import ConnectionStringCredentials
 
     def read_sql_x(
         conn_str: ConnectionStringCredentials = dlt.secrets.value,
-        query: str = dlt.config.value
+        query: str = dlt.config.value,
     ):
-        yield cx.read_sql(conn_str.to_native_representation(), query, return_type="arrow2", protocol="binary")
-
-    # create genome resource with merge on `upid` primary key
-    genome = dlt.resource(
-        name="genome",
-        write_disposition="merge",
-        primary_key="upid",
-        standalone=True
-    )(read_sql_x)(
-        "mysql://[email protected]:4497/Rfam",  # type: ignore[arg-type]
-        "SELECT * FROM genome ORDER BY created LIMIT 1000"
-    )
-    # add incremental on created at
-    genome.apply_hints(incremental=dlt.sources.incremental("created"))
+        yield cx.read_sql(
+            conn_str.to_native_representation(),
+            query,
+            return_type="arrow2",
+            protocol="binary",
+        )
+
+    def genome_resource():
+        # create genome resource with merge on `upid` primary key
+        genome = dlt.resource(
+            name="genome",
+            write_disposition="merge",
+            primary_key="upid",
+            standalone=True,
+        )(read_sql_x)(
+            "mysql://[email protected]:4497/Rfam",  # type: ignore[arg-type]
+            "SELECT * FROM genome ORDER BY created LIMIT 1000",
+        )
+        # add incremental on created at
+        genome.apply_hints(incremental=dlt.sources.incremental("created"))
+        return genome
+
     # @@@DLT_SNIPPET_END markdown_source
+
     # @@@DLT_SNIPPET_START markdown_pipeline
-    __name__ = "__main__" # @@@DLT_REMOVE
+    __name__ = "__main__"  # @@@DLT_REMOVE
     if __name__ == "__main__":
         pipeline = dlt.pipeline(destination="duckdb")
+        genome = genome_resource()
+
         print(pipeline.run(genome))
         print(pipeline.last_trace.last_normalize_info)
-        # NOTE: run pipeline again to see that no more records got loaded thanks to incremental working
+        # NOTE: run pipeline again to see that no more records got loaded thanks to incremental loading
     # @@@DLT_SNIPPET_END markdown_pipeline
 
-    # check that stuff was loaded
-    row_counts = pipeline.last_trace.last_normalize_info.row_counts
-    assert row_counts["genome"] == 1000
+    # check that stuff was loaded # @@@DLT_REMOVE
+    row_counts = pipeline.last_trace.last_normalize_info.row_counts  # @@@DLT_REMOVE
+    assert row_counts["genome"] == 1000  # @@@DLT_REMOVE
 
+    # @@@DLT_SNIPPET_END example