diff --git a/python/.gitignore b/python/.gitignore
new file mode 100644
index 0000000..d7d5db7
--- /dev/null
+++ b/python/.gitignore
@@ -0,0 +1,3 @@
+tabby.egg-info/
+__pycache__
+tmp*/
diff --git a/python/README.md b/python/README.md
new file mode 100644
index 0000000..c03f3e4
--- /dev/null
+++ b/python/README.md
@@ -0,0 +1,13 @@
+# tabby
+
+## Setup Development Environment
+
+```bash
+pip install -e ".[dev]"
+```
+
+Then, start the Dagster UI web server:
+
+```bash
+dagster dev
+```
diff --git a/python/pyproject.toml b/python/pyproject.toml
new file mode 100644
index 0000000..490b2e6
--- /dev/null
+++ b/python/pyproject.toml
@@ -0,0 +1,6 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[tool.dagster]
+module_name = "tabby"
diff --git a/python/setup.cfg b/python/setup.cfg
new file mode 100644
index 0000000..afe0d2c
--- /dev/null
+++ b/python/setup.cfg
@@ -0,0 +1,2 @@
+[metadata]
+name = tabby
diff --git a/python/setup.py b/python/setup.py
new file mode 100644
index 0000000..23b4a35
--- /dev/null
+++ b/python/setup.py
@@ -0,0 +1,12 @@
+from setuptools import find_packages, setup
+
+setup(
+    name="tabby",
+    packages=find_packages(exclude=["tabby_tests"]),
+    install_requires=[
+        "dagster",
+        "dagster-cloud",
+        "dagster-pandas"
+    ],
+    extras_require={"dev": ["dagster-webserver", "pytest"]},
+)
diff --git a/python/tabby/__init__.py b/python/tabby/__init__.py
new file mode 100644
index 0000000..a36556a
--- /dev/null
+++ b/python/tabby/__init__.py
@@ -0,0 +1,9 @@
+from dagster import Definitions, load_assets_from_modules
+
+from . import assets
+
+all_assets = load_assets_from_modules([assets])
+
+defs = Definitions(
+    assets=all_assets,
+)
diff --git a/python/tabby/assets.py b/python/tabby/assets.py
new file mode 100644
index 0000000..a958f88
--- /dev/null
+++ b/python/tabby/assets.py
@@ -0,0 +1,38 @@
+from dagster import Out, Output, MetadataValue, asset
+from dagster_pandas import DataFrame, PandasColumn, create_dagster_pandas_dataframe_type
+
+import pandas as pd
+import json
+import glob
+
+from . import constants
+
+DatasetDataFrame = create_dagster_pandas_dataframe_type(
+    name="DatasetDataFrame",
+    columns = [
+        PandasColumn.string_column("git_url"),
+        PandasColumn.string_column("filepath"),
+        PandasColumn.string_column("content"),
+        PandasColumn.string_column("language"),
+
+        PandasColumn.integer_column("max_line_length"),
+        PandasColumn.float_column("avg_line_length"),
+        PandasColumn.float_column("alphanum_fraction"),
+
+        PandasColumn.exists("tags"),
+    ]
+)
+
+
+@asset(dagster_type=DatasetDataFrame)
+def dataset_files():
+    """Get source code information from TABBY_ROOT"""
+
+    ds = []
+    for path in glob.glob(constants.TABBY_DATASET_FILEPATTERN):
+        with open(path, "r") as f:
+            for line in f.readlines():
+                ds.append(json.loads(line))
+
+    df = pd.DataFrame(ds)
+    return Output(df, metadata={"num_files": len(df) })
diff --git a/python/tabby/constants.py b/python/tabby/constants.py
new file mode 100644
index 0000000..2451097
--- /dev/null
+++ b/python/tabby/constants.py
@@ -0,0 +1,5 @@
+import os
+
+TABBY_ROOT = os.environ.get("TABBY_ROOT", os.path.expanduser("~/.tabby"))
+
+TABBY_DATASET_FILEPATTERN = os.path.join(TABBY_ROOT, "dataset/*.jsonl")
diff --git a/python/tabby_tests/__init__.py b/python/tabby_tests/__init__.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/python/tabby_tests/__init__.py
@@ -0,0 +1 @@
+
diff --git a/python/tabby_tests/test_assets.py b/python/tabby_tests/test_assets.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/python/tabby_tests/test_assets.py
@@ -0,0 +1 @@
+