Update for initial release

.gitignore

@@ -1,2 +1,4 @@
 .env
 secrets.yaml
+.venv/*
+output/*

Dockerfile

@@ -0,0 +1,29 @@
+# Use an official Python runtime as a parent image
+FROM python:3.9-slim
+
+# Install cron
+RUN apt-get update && apt-get install -y cron
+
+# Set the working directory
+WORKDIR /usr/cta-archive/
+
+# Copy the current directory contents into the container
+COPY . .
+
+# Install any needed packages
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the cron job file into the cron.d directory
+COPY cronjob /etc/cron.d/cronjob
+
+# Give execution rights on the cron job
+RUN chmod 0644 /etc/cron.d/cronjob
+
+# Apply the cron job
+RUN crontab /etc/cron.d/cronjob
+
+# Create the log file to be able to run tail
+RUN touch /var/log/cron.log
+
+# Run the command on container startup
+CMD cron && tail -f /var/log/cron.log

archive.py

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+import requests
+import datetime
+import os
+import json 
+
+# Import API key from .env file
+api_key=os.environ['API_KEY']
+
+# Get latest URL for each route, source for routes:https://www.transitchicago.com/developers/ttdocs/
+routes= ['Red', 'Blue', 'Brn', 'G', 'Org', 'P', 'Pink', 'Y'] 
+
+for route in routes:
+    response = requests.get("https://lapi.transitchicago.com/api/1.0/ttpositions.aspx?key="+api_key+"&rt="+route+"&outputType=JSON")
+    
+    trains = response.json()
+    #trains_query_time = datetime.datetime.fromisoformat(trains['ctatt']['tmst']) 
+    trains_query_time = trains['ctatt']['tmst'] 
+
+    outdir = "./output/"+route+"/"
+    if not os.path.exists(outdir):
+        os.makedirs(outdir)
+
+    outfile = outdir+trains_query_time+"_location_"+route+".json"
+    # Lazy format simplify
+    outfile = outfile.replace(":","")
+    outfile = outfile.replace("-","")
+
+    with open(outfile,mode='w') as f:
+        json.dump(trains, f)

cronjob

@@ -0,0 +1 @@
+2 * * * * /usr/cta-archive/archive.py