✨ Add TM1 source and Prefect tasks

pyproject.toml

@@ -38,6 +38,7 @@ dependencies = [
     "paramiko>=3.5.0",
     # awswrangler 2.x. depends on pandas 1.x.
     "pandas<2.0",
+    "tm1py>=2.0.4",
 ]
 requires-python = ">=3.10"
 readme = "README.md"

requirements-dev.lock

@@ -220,6 +220,8 @@ idna==3.7
     # via httpx
     # via requests
     # via yarl
+ijson==3.3.0
+    # via tm1py
 imagehash==4.3.1
     # via viadot2
 importlib-metadata==6.11.0
@@ -315,6 +317,8 @@ mdit-py-plugins==0.4.1
     # via jupytext
 mdurl==0.1.2
     # via markdown-it-py
+mdxpy==1.3.2
+    # via tm1py
 mergedeep==1.3.4
     # via mkdocs
     # via mkdocs-get-deps
@@ -372,6 +376,7 @@ neoteroi-mkdocs==1.1.0
 nest-asyncio==1.6.0
     # via ipykernel
 networkx==3.3
+    # via tm1py
     # via visions
 numpy==1.23.4
     # via db-dtypes
@@ -533,6 +538,7 @@ pytz==2024.1
     # via dateparser
     # via pandas
     # via prefect
+    # via tm1py
     # via trino
     # via zeep
 pytzdata==2020.1
@@ -584,6 +590,7 @@ requests==2.32.3
     # via responses
     # via sharepy
     # via simple-salesforce
+    # via tm1py
     # via trino
     # via viadot2
     # via zeep
@@ -675,6 +682,8 @@ tinycss2==1.3.0
     # via cairosvg
     # via cssselect2
     # via nbconvert
+tm1py==2.0.4
+    # via viadot2
 toml==0.10.2
     # via prefect
 tomli==2.0.1

requirements.lock

@@ -162,6 +162,8 @@ idna==3.7
     # via httpx
     # via requests
     # via yarl
+ijson==3.3.0
+    # via tm1py
 imagehash==4.3.1
     # via viadot2
 importlib-resources==6.1.3
@@ -200,6 +202,8 @@ markupsafe==2.1.5
     # via mako
 mdurl==0.1.2
     # via markdown-it-py
+mdxpy==1.3.2
+    # via tm1py
 more-itertools==10.5.0
     # via simple-salesforce
 multidict==6.0.5
@@ -208,6 +212,7 @@ multidict==6.0.5
 multimethod==1.12
     # via visions
 networkx==3.3
+    # via tm1py
     # via visions
 numpy==1.23.4
     # via db-dtypes
@@ -318,6 +323,7 @@ pytz==2024.1
     # via dateparser
     # via pandas
     # via prefect
+    # via tm1py
     # via trino
     # via zeep
 pytzdata==2020.1
@@ -349,6 +355,7 @@ requests==2.32.3
     # via requests-toolbelt
     # via sharepy
     # via simple-salesforce
+    # via tm1py
     # via trino
     # via viadot2
     # via zeep
@@ -420,6 +427,8 @@ tangled-up-in-unicode==0.2.0
     # via visions
 text-unidecode==1.3
     # via python-slugify
+tm1py==2.0.4
+    # via viadot2
 toml==0.10.2
     # via prefect
 trino==0.328.0

src/viadot/orchestration/prefect/flows/__init__.py

@@ -32,6 +32,7 @@
 from .sql_server_to_parquet import sql_server_to_parquet
 from .sql_server_transform import sql_server_transform
 from .supermetrics_to_adls import supermetrics_to_adls
+from .tm1_to_parquet import tm1_to_parquet
 from .transform import transform
 from .transform_and_catalog import transform_and_catalog
 from .vid_club_to_adls import vid_club_to_adls
@@ -70,6 +71,7 @@
     "sql_server_to_parquet",
     "sql_server_transform",
     "supermetrics_to_adls",
+    "tm1_to_parquet",
     "transform",
     "transform_and_catalog",
     "vid_club_to_adls",

src/viadot/orchestration/prefect/flows/tm1_to_parquet.py

@@ -0,0 +1,70 @@
+"""Flow for downloading data from TM1 to a Parquet file."""
+
+from typing import Literal
+
+from prefect import flow
+
+from viadot.orchestration.prefect.tasks.task_utils import df_to_parquet
+from viadot.orchestration.prefect.tasks.tm1 import tm1_to_df
+
+
+@flow(
+    name="extract--tm1--parquet",
+    description="Extract data from TM1 and load it into Parquet file",
+    retries=1,
+    retry_delay_seconds=60,
+)
+def tm1_to_parquet(  # noqa: PLR0913
+    path: str | None = None,
+    mdx_query: str | None = None,
+    cube: str | None = None,
+    view: str | None = None,
+    limit: int | None = None,
+    private: bool = False,
+    credentials_secret: str | None = None,
+    config_key: str | None = None,
+    if_empty: str = "skip",
+    if_exists: Literal["append", "replace", "skip"] = "replace",
+    verify: bool = True,
+) -> None:
+    """Download data from TM1 to a Parquet file.
+
+    Args:
+        mdx_query (str, optional): MDX select query needed to download the data.
+            Defaults to None.
+        cube (str, optional): Cube name from which data will be downloaded.
+            Defaults to None.
+        view (str, optional): View name from which data will be downloaded.
+            Defaults to None.
+        limit (str, optional): How many rows should be extracted.
+            If None all the available rows will be downloaded. Defaults to None.
+        private (bool, optional): Whether or not data download should be private.
+            Defaults to False.
+        credentials_secret (dict[str, Any], optional): The name of the secret that
+            stores TM1 credentials.
+            More info on: https://docs.prefect.io/concepts/blocks/. Defaults to None.
+        config_key (str, optional): The key in the viadot config holding relevant
+            credentials. Defaults to "TM1".
+        if_empty (str, optional): What to do if output DataFrame is empty.
+            Defaults to "skip".
+        if_exists (Literal["append", "replace", "skip"], optional):
+            What to do if the table exists. Defaults to "replace".
+        verify (bool, optional): Whether or not verify SSL certificate.
+            Defaults to False.
+    """
+    df = tm1_to_df(
+        mdx_query=mdx_query,
+        cube=cube,
+        view=view,
+        limit=limit,
+        private=private,
+        credentials_secret=credentials_secret,
+        config_key=config_key,
+        verify=verify,
+        if_empty=if_empty,
+    )
+    return df_to_parquet(
+        df=df,
+        path=path,
+        if_exists=if_exists,
+    )

src/viadot/orchestration/prefect/tasks/__init__.py

@@ -30,6 +30,7 @@
 from .sharepoint import sharepoint_download_file, sharepoint_to_df
 from .sql_server import create_sql_server_table, sql_server_query, sql_server_to_df
 from .supermetrics import supermetrics_to_df
+from .tm1 import tm1_to_df
 from .vid_club import vid_club_to_df
 
 
@@ -68,6 +69,7 @@
     "sharepoint_to_df",
     "sql_server_query",
     "sql_server_to_df",
+    "tm1_to_df",
     "vid_club_to_df",
     "supermetrics_to_df",
 ]

src/viadot/orchestration/prefect/tasks/tm1.py

@@ -0,0 +1,80 @@
+"""Task for downloading data from TM1 to a pandas DataFrame."""
+
+from pandas import DataFrame
+from prefect import task
+from prefect.logging import get_run_logger
+
+from viadot.config import get_source_credentials
+from viadot.orchestration.prefect.exceptions import MissingSourceCredentialsError
+from viadot.orchestration.prefect.utils import get_credentials
+from viadot.sources.tm1 import TM1
+
+
+@task(retries=3, retry_delay_seconds=10, timeout_seconds=60 * 60 * 3)
+def tm1_to_df(
+    mdx_query: str | None = None,
+    cube: str | None = None,
+    view: str | None = None,
+    limit: int | None = None,
+    private: bool = False,
+    credentials_secret: str | None = None,
+    config_key: str | None = None,
+    verify: bool = False,
+    if_empty: str = "skip",
+) -> DataFrame:
+    """Download data from TM1 to pandas DataFrame.
+
+    Args:
+        mdx_query (str, optional): MDX select query needed to download the data.
+            Defaults to None.
+        cube (str, optional): Cube name from which data will be downloaded.
+            Defaults to None.
+        view (str, optional): View name from which data will be downloaded.
+            Defaults to None.
+        limit (str, optional): How many rows should be extracted.
+            If None all the available rows will be downloaded. Defaults to None.
+        private (bool, optional): Whether or not data download should be private.
+            Defaults to False.
+        credentials_secret (dict[str, Any], optional): The name of the secret that
+            stores TM1 credentials.
+            More info on: https://docs.prefect.io/concepts/blocks/. Defaults to None.
+        config_key (str, optional): The key in the viadot config holding relevant
+            credentials. Defaults to "TM1".
+        verify (bool, optional): Whether or not verify SSL certificate.
+            Defaults to False.
+        if_empty (str, optional): What to do if output DataFrame is empty.
+            Defaults to "skip".
+
+    """
+    if not (credentials_secret or config_key):
+        raise MissingSourceCredentialsError
+
+    logger = get_run_logger()
+
+    credentials = get_source_credentials(config_key) or get_credentials(
+        credentials_secret
+    )
+
+    bc = TM1(
+        credentials=credentials,
+        config_key=config_key,
+        limit=limit,
+        private=private,
+        verify=verify,
+    )
+
+    df = bc.to_df(
+        if_empty=if_empty,
+        mdx_query=mdx_query,
+        cube=cube,
+        view=view,
+    )
+
+    nrows = df.shape[0]
+    ncols = df.shape[1]
+
+    logger.info(
+        f"Successfully downloaded {nrows} rows and {ncols} columns of data to a DataFrame."
+    )
+
+    return df

src/viadot/sources/__init__.py

@@ -23,6 +23,7 @@
 from .sql_server import SQLServer
 from .sqlite import SQLite
 from .supermetrics import Supermetrics
+from .tm1 import TM1
 from .uk_carbon_intensity import UKCarbonIntensity
 from .vid_club import VidClub
 
@@ -48,6 +49,7 @@
     "Sftp",
     "Sharepoint",
     "Supermetrics",
+    "TM1",
     "Trino",
     "UKCarbonIntensity",
     "VidClub",