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# Byte-compiled / optimized / DLL files
__pycache__/
*.py[codz]
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.Python
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# before PyInstaller builds the exe, so as to inject date/other infos into it.
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.streamlit/secrets.toml
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@@ -0,0 +1,7 @@
2026-07-23 07:41:35 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93784 - LOGS_CAPTURED - Capturing logs for process (pid: 93784).
2026-07-23 07:41:35 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93784 - orders - STEP_START - Started execution of step "orders".
2026-07-23 07:41:36 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93784 - orders - STEP_OUTPUT - Yielded output "result" of type "Any". (Type check passed).
2026-07-23 07:41:36 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - orders - Writing file at: /mnt/bulk/source/dagster-intro/.tmp_dagster_home_e8m4zq2a/storage/orders using PickledObjectFilesystemIOManager...
2026-07-23 07:41:36 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93784 - orders - ASSET_MATERIALIZATION - Materialized value orders.
2026-07-23 07:41:36 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93784 - orders - HANDLED_OUTPUT - Handled output "result" using IO manager "io_manager"
2026-07-23 07:41:36 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93784 - orders - STEP_SUCCESS - Finished execution of step "orders" in 956ms.
@@ -0,0 +1,7 @@
2026-07-23 07:41:35 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93783 - LOGS_CAPTURED - Capturing logs for process (pid: 93783).
2026-07-23 07:41:35 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93783 - customers - STEP_START - Started execution of step "customers".
2026-07-23 07:41:36 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93783 - customers - STEP_OUTPUT - Yielded output "result" of type "Any". (Type check passed).
2026-07-23 07:41:36 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - customers - Writing file at: /mnt/bulk/source/dagster-intro/.tmp_dagster_home_e8m4zq2a/storage/customers using PickledObjectFilesystemIOManager...
2026-07-23 07:41:36 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93783 - customers - ASSET_MATERIALIZATION - Materialized value customers.
2026-07-23 07:41:36 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93783 - customers - HANDLED_OUTPUT - Handled output "result" using IO manager "io_manager"
2026-07-23 07:41:36 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93783 - customers - STEP_SUCCESS - Finished execution of step "customers" in 683ms.
@@ -0,0 +1,7 @@
2026-07-23 07:41:35 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93785 - LOGS_CAPTURED - Capturing logs for process (pid: 93785).
2026-07-23 07:41:35 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93785 - payments - STEP_START - Started execution of step "payments".
2026-07-23 07:41:37 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93785 - payments - STEP_OUTPUT - Yielded output "result" of type "Any". (Type check passed).
2026-07-23 07:41:37 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - payments - Writing file at: /mnt/bulk/source/dagster-intro/.tmp_dagster_home_e8m4zq2a/storage/payments using PickledObjectFilesystemIOManager...
2026-07-23 07:41:37 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93785 - payments - ASSET_MATERIALIZATION - Materialized value payments.
2026-07-23 07:41:37 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93785 - payments - HANDLED_OUTPUT - Handled output "result" using IO manager "io_manager"
2026-07-23 07:41:37 +0100 - dagster - DEBUG - __ASSET_JOB - 32f542a5-d346-4f9f-9770-8c8036d72111 - 93785 - payments - STEP_SUCCESS - Finished execution of step "payments" in 1.8s.
@@ -0,0 +1,7 @@
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64416 - LOGS_CAPTURED - Capturing logs for process (pid: 64416).
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64416 - payments - STEP_START - Started execution of step "payments".
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64416 - payments - STEP_OUTPUT - Yielded output "result" of type "String". (Type check passed).
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - payments - Writing file at: /mnt/bulk/source/dagster-intro/.tmp_dagster_home_e8m4zq2a/storage/payments using PickledObjectFilesystemIOManager...
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64416 - payments - ASSET_MATERIALIZATION - Materialized value payments.
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64416 - payments - HANDLED_OUTPUT - Handled output "result" using IO manager "io_manager"
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64416 - payments - STEP_SUCCESS - Finished execution of step "payments" in 23ms.
@@ -0,0 +1,7 @@
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64414 - LOGS_CAPTURED - Capturing logs for process (pid: 64414).
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64414 - customers - STEP_START - Started execution of step "customers".
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64414 - customers - STEP_OUTPUT - Yielded output "result" of type "String". (Type check passed).
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - customers - Writing file at: /mnt/bulk/source/dagster-intro/.tmp_dagster_home_e8m4zq2a/storage/customers using PickledObjectFilesystemIOManager...
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64414 - customers - ASSET_MATERIALIZATION - Materialized value customers.
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64414 - customers - HANDLED_OUTPUT - Handled output "result" using IO manager "io_manager"
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64414 - customers - STEP_SUCCESS - Finished execution of step "customers" in 20ms.
@@ -0,0 +1,7 @@
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64415 - LOGS_CAPTURED - Capturing logs for process (pid: 64415).
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64415 - orders - STEP_START - Started execution of step "orders".
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64415 - orders - STEP_OUTPUT - Yielded output "result" of type "String". (Type check passed).
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - orders - Writing file at: /mnt/bulk/source/dagster-intro/.tmp_dagster_home_e8m4zq2a/storage/orders using PickledObjectFilesystemIOManager...
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64415 - orders - ASSET_MATERIALIZATION - Materialized value orders.
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64415 - orders - HANDLED_OUTPUT - Handled output "result" using IO manager "io_manager"
2026-07-23 07:31:54 +0100 - dagster - DEBUG - __ASSET_JOB - 578f973d-2672-4656-9a65-90fa6a6996b6 - 64415 - orders - STEP_SUCCESS - Finished execution of step "orders" in 22ms.
@@ -0,0 +1,7 @@
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108002 - LOGS_CAPTURED - Capturing logs for process (pid: 108002).
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108002 - payments - STEP_START - Started execution of step "payments".
2026-07-23 07:46:32 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108002 - payments - STEP_OUTPUT - Yielded output "result" of type "Any". (Type check passed).
2026-07-23 07:46:32 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - payments - Writing file at: /mnt/bulk/source/dagster-intro/.tmp_dagster_home_e8m4zq2a/storage/payments using PickledObjectFilesystemIOManager...
2026-07-23 07:46:32 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108002 - payments - ASSET_MATERIALIZATION - Materialized value payments.
2026-07-23 07:46:32 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108002 - payments - HANDLED_OUTPUT - Handled output "result" using IO manager "io_manager"
2026-07-23 07:46:32 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108002 - payments - STEP_SUCCESS - Finished execution of step "payments" in 838ms.
@@ -0,0 +1,7 @@
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108000 - LOGS_CAPTURED - Capturing logs for process (pid: 108000).
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108000 - customers - STEP_START - Started execution of step "customers".
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108000 - customers - STEP_OUTPUT - Yielded output "result" of type "Any". (Type check passed).
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - customers - Writing file at: /mnt/bulk/source/dagster-intro/.tmp_dagster_home_e8m4zq2a/storage/customers using PickledObjectFilesystemIOManager...
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108000 - customers - ASSET_MATERIALIZATION - Materialized value customers.
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108000 - customers - HANDLED_OUTPUT - Handled output "result" using IO manager "io_manager"
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108000 - customers - STEP_SUCCESS - Finished execution of step "customers" in 106ms.
@@ -0,0 +1,7 @@
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108001 - LOGS_CAPTURED - Capturing logs for process (pid: 108001).
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108001 - orders - STEP_START - Started execution of step "orders".
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108001 - orders - STEP_OUTPUT - Yielded output "result" of type "Any". (Type check passed).
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - orders - Writing file at: /mnt/bulk/source/dagster-intro/.tmp_dagster_home_e8m4zq2a/storage/orders using PickledObjectFilesystemIOManager...
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108001 - orders - ASSET_MATERIALIZATION - Materialized value orders.
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108001 - orders - HANDLED_OUTPUT - Handled output "result" using IO manager "io_manager"
2026-07-23 07:46:31 +0100 - dagster - DEBUG - __ASSET_JOB - 6ba93bf3-34c3-4a98-9926-b1003610e991 - 108001 - orders - STEP_SUCCESS - Finished execution of step "orders" in 359ms.
@@ -0,0 +1,7 @@
2026-07-23 07:46:56 +0100 - dagster - DEBUG - __ASSET_JOB - bd2759e0-f8cd-4707-8fde-a00bbae926f6 - 109730 - LOGS_CAPTURED - Capturing logs for process (pid: 109730).
2026-07-23 07:46:56 +0100 - dagster - DEBUG - __ASSET_JOB - bd2759e0-f8cd-4707-8fde-a00bbae926f6 - 109730 - orders_aggregation - STEP_START - Started execution of step "orders_aggregation".
2026-07-23 07:46:56 +0100 - dagster - DEBUG - __ASSET_JOB - bd2759e0-f8cd-4707-8fde-a00bbae926f6 - 109730 - orders_aggregation - STEP_OUTPUT - Yielded output "result" of type "Any". (Type check passed).
2026-07-23 07:46:56 +0100 - dagster - DEBUG - __ASSET_JOB - bd2759e0-f8cd-4707-8fde-a00bbae926f6 - orders_aggregation - Writing file at: /mnt/bulk/source/dagster-intro/.tmp_dagster_home_e8m4zq2a/storage/orders_aggregation using PickledObjectFilesystemIOManager...
2026-07-23 07:46:56 +0100 - dagster - DEBUG - __ASSET_JOB - bd2759e0-f8cd-4707-8fde-a00bbae926f6 - 109730 - orders_aggregation - ASSET_MATERIALIZATION - Materialized value orders_aggregation.
2026-07-23 07:46:56 +0100 - dagster - DEBUG - __ASSET_JOB - bd2759e0-f8cd-4707-8fde-a00bbae926f6 - 109730 - orders_aggregation - HANDLED_OUTPUT - Handled output "result" using IO manager "io_manager"
2026-07-23 07:46:56 +0100 - dagster - DEBUG - __ASSET_JOB - bd2759e0-f8cd-4707-8fde-a00bbae926f6 - 109730 - orders_aggregation - STEP_SUCCESS - Finished execution of step "orders_aggregation" in 49ms.
@@ -0,0 +1 @@
N.
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N.
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N.
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N.
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# dagster_intro
## Getting started
### Installing dependencies
**Option 1: uv**
Ensure [`uv`](https://docs.astral.sh/uv/) is installed following their [official documentation](https://docs.astral.sh/uv/getting-started/installation/).
Create a virtual environment, and install the required dependencies using _sync_:
```bash
uv sync
```
Then, activate the virtual environment:
| OS | Command |
| --- | --- |
| MacOS | ```source .venv/bin/activate``` |
| Windows | ```.venv\Scripts\activate``` |
**Option 2: pip**
Install the python dependencies with [pip](https://pypi.org/project/pip/):
```bash
python3 -m venv .venv
```
Then activate the virtual environment:
| OS | Command |
| --- | --- |
| MacOS | ```source .venv/bin/activate``` |
| Windows | ```.venv\Scripts\activate``` |
Install the required dependencies:
```bash
pip install -e ".[dev]"
```
### Running Dagster
Start the Dagster UI web server:
```bash
dg dev
```
Open http://localhost:3000 in your browser to see the project.
## Learn more
To learn more about this template and Dagster in general:
- [Dagster Documentation](https://docs.dagster.io/)
- [Dagster University](https://courses.dagster.io/)
- [Dagster Slack Community](https://dagster.io/slack)
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[project]
name = "dagster_intro"
requires-python = ">=3.10,<3.15"
version = "0.1.0"
dependencies = [
"dagster==1.13.14",
"dagster-duckdb>=0.29.14",
]
[dependency-groups]
dev = [
"dagster-dg-cli",
"dagster-webserver",
]
[build-system]
requires = ["hatchling"]
build-backend = "hatchling.build"
[tool.hatch.build.targets.wheel]
force-include = { "pyproject.toml" = "pyproject.toml" }
[tool.dg]
directory_type = "project"
[tool.dg.project]
root_module = "dagster_intro"
registry_modules = [
"dagster_intro.components.*",
]
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from pathlib import Path
from dagster import definitions, load_from_defs_folder
@definitions
def defs():
return load_from_defs_folder(path_within_project=Path(__file__).parent)
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from dagster_duckdb import DuckDBResource
import dagster as dg
@dg.asset
def customers(duckdb: DuckDBResource):
url = "https://raw.githubusercontent.com/dbt-labs/jaffle-shop-classic/refs/heads/main/seeds/raw_customers.csv"
table_name = "customers"
with duckdb.get_connection() as conn:
conn.execute(
f"""
create or replace table {table_name} as (
select * from read_csv_auto('{url}')
)
"""
)
@dg.asset
def orders(duckdb: DuckDBResource):
url = "https://raw.githubusercontent.com/dbt-labs/jaffle-shop-classic/refs/heads/main/seeds/raw_orders.csv"
table_name = "orders"
with duckdb.get_connection() as conn:
conn.execute(
f"""
create or replace table {table_name} as (
select * from read_csv_auto('{url}')
)
"""
)
@dg.asset
def payments(duckdb: DuckDBResource):
url = "https://raw.githubusercontent.com/dbt-labs/jaffle-shop-classic/refs/heads/main/seeds/raw_payments.csv"
table_name = "payments"
with duckdb.get_connection() as conn:
conn.execute(
f"""
create or replace table {table_name} as (
select * from read_csv_auto('{url}')
)
"""
)
@dg.asset(
deps=["customers", "orders", "payments"],
)
def orders_aggregation(duckdb: DuckDBResource):
table_name = "orders_aggregation"
with duckdb.get_connection() as conn:
conn.execute(
f"""
create or replace table {table_name} as (
select
c.id as customer_id,
c.first_name,
c.last_name,
count(distinct o.id) as total_orders,
count(distinct p.id) as total_payments,
coalesce(sum(p.amount), 0) as total_amount_spent
from customers c
left join orders o
on c.id = o.user_id
left join payments p
on o.id = p.order_id
group by 1, 2, 3
);
"""
)
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from dagster_duckdb import DuckDBResource
import dagster as dg
database_resource = DuckDBResource(database="/tmp/jaffle_platform.duckdb")
@dg.definitions
def resources():
return dg.Definitions(
resources={
"duckdb": database_resource,
}
)
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