week 7 lab

e8321369 · System Administrator · 79627d17 · e8321369 · e8321369 · e8321369
Commit e8321369 authored 6 years ago by System Administrator
--- a/cgi-bin/__pycache__/myutils.cpython-35.pyc
+++ b/cgi-bin/__pycache__/myutils.cpython-35.pyc
--- a/cgi-bin/myserve_cat.py
+++ b/cgi-bin/myserve_cat.py
+#!/usr/bin/env python3
+from myutils import db_connect
+from datetime import datetime
+# make bson ObjectId class available for referencing 
+# bson objects inside a mongo query string
+from bson.objectid import ObjectId 
+import cgi
+import cgitb
+cgitb.enable()
+form = cgi.FieldStorage()
+# connect to database
+db = db_connect()
+# output some header html
+print("Content-Type: text/html\n")
+print("""<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="utf-8">
+<title>Hello Caflucks</title>
+</head>
+<body>
+<h1>Welcome to Catflucks</h1>""")
+# get one random document from images collection
+result = db.images.aggregate(
+	[{ '$sample': { 'size': 1 } }]
+)
+# if a result came back
+if result:
+	# iterate through objects in the cursor (should only be 1)
+	for img in result:
+		# pull out the img url and alt text
+		img_src = img['url']
+		img_alt = img['alt']
+		img_id = img['_id']
+	# find and count flucks with matching img_id and where is_flucked is 1
+	num_flucks = db.flucks.find( {"image_id": ObjectId(img_id), "is_flucked":1} ).count()
+	print("""<p>You are viewing a random image of a cat.</p>
+	<img src="{}" alt="{}" width=500>
+	<p>This poor cat has been flucked {} times already.</p>
+	<a href="/cgi-bin/myserve_cat.py" title="serve cat">Serve new cat</a>
+	""".format( img_src, img_alt, str(num_flucks) ))
+else:
+	print("<p>Oops. Something went wrong!</p>")
+# output a form with skip/fluck buttons
+print("""<form method="POST" action="/cgi-bin/myserve_cat.py">
+		<input type="hidden" value="{}" name="img_id">
+		<input name="btn_skip" type="submit" value="Skip">
+		<input name="btn_fluck" type="submit" value="Fluck">
+		</form>""".format( img_id ))
+# check if either button clicked and insert a fluck in the database
+if 'btn_fluck' in form:
+	result = db.flucks.insert( { 
+		"image_id":ObjectId(form['img_id'].value),
+		"is_flucked":1,
+		"timestamp":datetime.now().timestamp() 
+	} )
+elif 'btn_skip' in form:
+	result = db.flucks.insert( { 
+		"image_id":ObjectId(form['img_id'].value),
+		"is_flucked":0,
+		"timestamp":datetime.now().timestamp() 
+	} )
+# output some footer html
+print("</body></html>")
--- a/cgi-bin/myutils.py
+++ b/cgi-bin/myutils.py
+#!/usr/bin/env python3
+""" 
+	This module provides a set of reuseable utility functions
+	This is a Google style docstring by the way.
+	Read more about them here: 
+	https://www.python.org/dev/peps/pep-0257/
+"""
+from pymongo import MongoClient
+def db_connect():
+	""" Provides a connection to mongoDB database
+	Returns:
+		Object: A handle to a mongoDB database 
+	"""
+	# try to create instance of MongoClient object
+	try:
+		client = MongoClient('mongodb://localhost:27017/')
+	except:
+		print("Error: failed to create mongo client")
+		raise
+	# if we have a mongo client...
+	else:
+		# switch to the specified database
+		db = client.catflucks
+		# return a handle to the database
+		return db
--- a/dump/catflucks/accounts.bson
+++ b/dump/catflucks/accounts.bson
--- a/dump/catflucks/accounts.metadata.json
+++ b/dump/catflucks/accounts.metadata.json
+{ "indexes" : [ { "v" : 1, "key" : { "_id" : 1 }, "name" : "_id_", "ns" : "catflucks.accounts" } ] }
\ No newline at end of file
--- a/dump/catflucks/flucks.bson
+++ b/dump/catflucks/flucks.bson
--- a/dump/catflucks/flucks.metadata.json
+++ b/dump/catflucks/flucks.metadata.json
+{ "indexes" : [ { "v" : 1, "key" : { "_id" : 1 }, "name" : "_id_", "ns" : "catflucks.flucks" } ] }
\ No newline at end of file
--- a/dump/catflucks/images.bson
+++ b/dump/catflucks/images.bson
--- a/dump/catflucks/images.metadata.json
+++ b/dump/catflucks/images.metadata.json
+{ "indexes" : [ { "v" : 1, "key" : { "_id" : 1 }, "name" : "_id_", "ns" : "catflucks.images" } ] }
\ No newline at end of file
--- a/dump/catflucks/system.indexes.bson
+++ b/dump/catflucks/system.indexes.bson
--- a/mysimpleServer.py
+++ b/mysimpleServer.py
+#!/usr/bin/env python3
+# above 'she-bang' line makes the script executable from command line
+""" A Simple Web Server
+	Run with ./simpleServer.py
+	Make sure all cgi scripts are executable
+	for single script:
+		 chmod +x simpleServer.py
+	or for a whole directory:
+		 chmod -r +x cgi-bin/
+"""
+import http.server										# import http.server module
+import cgitb; cgitb.enable()							# import and enable cgitb module for exception handling
+PORT = 8000												# specifies the port number to accept connections on
+server = http.server.HTTPServer 						# provides simple web server
+handler = http.server.CGIHTTPRequestHandler 			# provides request handler
+server_address = ("", PORT)								# specify server directory and port number
+handler.cgi_directories = ["/","/cgi-bin","/htbin"]		# where CGI scripts will reside in relation to the `server' directory
+print("Starting server...")					# outputs a message 
+httpd = server(server_address, handler)		# creates the server, passing it the server address and port number, as well as the CGI handler (httpd stands for HTTP Daemon)
+print("serving at port", PORT)				# outputs a message
+httpd.serve_forever()						# puts program in infinite loop so that the server can `serve_forever'