Created
December 16, 2022 22:40
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Snapshot downloads of a GitHub package
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from datetime import datetime | |
from astro import sql as aql | |
from astro.sql.table import Table | |
from airflow.models import DAG | |
import pandas as pd | |
import requests | |
CONN_ID = "dwh" | |
@aql.dataframe | |
def get_download_counts(org="astronomer", project="astro-cli"): | |
""" | |
#### Get Download Counts | |
This grabs a snapshot of the download numbers for each release in the given GitHub project. | |
""" | |
url = "/".join(["https://api.github.com", "repos", org, project, "releases"]) | |
results = requests.get(url).json() | |
files = pd.json_normalize( | |
results, | |
record_path=["assets"], | |
meta_prefix="release_", | |
record_prefix="file_", | |
meta=[ | |
"name", | |
"created_at", | |
], | |
max_level=1, | |
) | |
files["reported_date"] = datetime.now().isoformat() | |
return files[ | |
[ | |
"reported_date", | |
"release_name", | |
"file_name", | |
"file_download_count", | |
"file_created_at", | |
"release_created_at", | |
] | |
] | |
with DAG( | |
"astro-cli-downloads", | |
schedule_interval="@daily", | |
start_date=datetime(2022, 9, 15), | |
catchup=False, | |
default_args={ | |
"retries": 2, | |
}, | |
tags=["git", "astro-cli"], | |
) as dag: | |
""" | |
### Astro CLI downloads by file | |
This is a simple pipeline that gathers download counts by file from the GitHub API | |
""" | |
download_snapshot = get_download_counts( | |
org="astronomer", | |
project="astro-cli", | |
output_table=Table( | |
conn_id=CONN_ID, | |
), | |
) | |
reporting_table = aql.append( | |
target_table=Table( | |
name="ASTRO_CLI_DOWNLOADS", | |
conn_id=CONN_ID, | |
), | |
source_table=download_snapshot, | |
) | |
aql.cleanup() |
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