Fully functional package installer.

README.md

@@ -1,2 +1,17 @@
 # Snatch-CLI
-Using Click for clean CLI.
+Built on Python 2.7.10 using click and requests
+
+### Setup
+```
+pip install click
+pip install requests
+``` 
+
+### Usage
+```
+python snatch.py
+``` 
+To see all line args run:
+```
+python snatch.py --help
+``` 

snatch.py

@@ -1,10 +1,41 @@
 import click
+import requests
+import io
+import zipfile
 
 
 @click.command()
-@click.option('--name', prompt="Please enter your name/package", help='The person to greet.')
-def pull(name):
-    click.echo('Hello %s!' % name)
+@click.option('--name', prompt='Please enter your name/package', help='Your package name in format name/package.')
+@click.option('--path', help='Absolute path to install packages. Defaults to current dir.')
+def pull(name, path):
+    url = "http://snatch.joycestick.com/api/" + name
+    download(url, path)
+
+
+# installs unzipped package to the given directory
+def download(url, path):
+    returned_request = requests.get(url)
+
+    # make sure web response is good before continuing
+    if returned_request.status_code != 200:
+        print("Bad response for url: %s" % url)
+        return
+
+    byte_file = io.BytesIO(returned_request.content)
+    if not zipfile.is_zipfile(byte_file):
+        print("Returned file is not a zip at url: %s" % url)
+        return
+
+    # create a zipfile object
+    zip_file = zipfile.ZipFile(byte_file)
+
+    # extract zip
+    if path is not None:
+        zip_file.extractall(path)
+    else:
+        zip_file.extractall()
+
+    print("Success!")
 
 
 if __name__ == '__main__':