feat: Add dag_to_car functionality

packages/w3up-python-client/.gitignore

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+.env
+*.car
+/dag_to_car.egg-info

packages/w3up-python-client/config.py

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+STORACHA_API_URL = "https://w3s.link/api/upload"
+SPACE_NAME = "MyStorachaSpace"

packages/w3up-python-client/dag_to_car.py

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+import subprocess
+import sys
+import os
+import json
+import requests
+from config import SPACE_NAME
+
+def run_command(command):
+    try:
+        result = subprocess.run(command, shell=True, check=True, text=True, capture_output=True)
+        return result.stdout.strip()
+    except subprocess.CalledProcessError as e:
+        print(f"❌ Error: {e.stderr}")
+        sys.exit(1)
+
+def create_dag_and_car(file_path):
+    if not os.path.exists(file_path):
+        print(f"❌ Error: File '{file_path}' not found.")
+        sys.exit(1)
+
+    print(f"📂 Adding '{file_path}' to IPFS DAG...")
+
+    cid = run_command(f"ipfs add --cid-version=1 --raw-leaves --quieter {file_path}")
+    print(f"✅ File added to DAG. CID: {cid}")
+
+    car_file = f"{file_path}.car"
+    print(f"📦 Exporting DAG to CAR file: {car_file}...")
+    run_command(f"ipfs dag export {cid} > {car_file}")
+    print(f"✅ CAR file created: {car_file}")
+
+    return cid, car_file
+
+try:
+        space_data = json.loads(space_output)
+        space_did = space_data.get("did", "Unknown DID")
+        print(f"✅ Space created successfully. DID: {space_did}")
+except json.JSONDecodeError:
+        print(f"✅ Space created. CLI Output: {space_output}")
+        space_did = space_output.strip() 
+
+
+def create_delegation():
+    print("🔑 Creating delegation...")
+    delegation = run_command("w3 delegation create")
+    print("✅ Delegation created.")
+    return delegation
+
+def get_http_auth():
+    print("🔍 Retrieving HTTP authentication details...")
+    auth_json = run_command("w3 bridge generate-tokens")
+    auth_data = json.loads(auth_json)
+    return auth_data["X-Auth-Secret"], auth_data["Authorization"]
+
+def upload_car_file(car_file, x_auth_secret, authorization):
+    print(f"📤 Uploading CAR file: {car_file} to Storacha HTTP bridge...")
+
+    # Define the URL endpoint for upload
+    upload_url = "https://w3s.link/api/upload"
+    headers = {
+        "X-Auth-Secret": x_auth_secret,
+        "Authorization": authorization,
+        "Content-Type": "application/car"
+    }
+
+    with open(car_file, 'rb') as file:
+        response = requests.post(upload_url, headers=headers, files={"file": file})
+
+    if response.status_code == 200:
+        receipt = response.json()
+        print("✅ Upload successful! Client Receipt:")
+        print(json.dumps(receipt, indent=4))
+        return receipt
+    else:
+        print(f"❌ Upload failed: {response.text}")
+        sys.exit(1)
+
+# Main execution
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Usage: python storacha_upload.py <file-path>")
+        sys.exit(1)
+
+    file_path = sys.argv[1]
+    space_name = "MyStorachaSpace"
+
+    cid, car_file = create_dag_and_car(file_path)
+
+    space_did = create_w3_space(space_name)
+    create_delegation()
+
+    x_auth_secret, authorization = get_http_auth()
+
+    client_receipt = upload_car_file(car_file, x_auth_secret, authorization)
+
+    #Client receipt
+    receipt_file = "client_receipt.json"
+    with open(receipt_file, "w") as f:
+        json.dump(client_receipt, f, indent=4)
+    print(f"📜 Client receipt saved to {receipt_file}")

packages/w3up-python-client/myfile.txt

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+Test conversion to car file

packages/w3up-python-client/requirements.txt

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+requests
+python-dotenv

packages/w3up-python-client/setup.py

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+from setuptools import setup, find_packages
+
+setup(
+    name="dag_to_car",  
+    version="0.1.0",
+    packages=find_packages(),
+    install_requires=[
+        "requests",  
+        "python-dotenv",  
+    ],
+    entry_points={
+        "console_scripts": [
+            "dag-to-car=dag_to_car:main",  
+        ],
+    },
+    author="Amit Pandey",
+    author_email="[email protected]",
+    description="A tool to automate IPFS DAG creation and CAR file generation.",
+    long_description=open("README.md").read(),
+    long_description_content_type="text/markdown",
+    classifiers=[
+        "Programming Language :: Python :: 3",
+        "License :: OSI Approved :: MIT License",
+        "Operating System :: OS Independent",
+    ],
+    python_requires=">=3.6",
+)