dev-sprint3 assignment

chap8.py

@@ -1,2 +1,13 @@
 # This is where the answers to Chapter 8 questions for the BSS Dev RampUp go
-# Name:
+# Name: Anthony Leonardi
+
+def rotate_word(str, x):
+	newString = ''
+	for c in str:
+		temp=ord(c)
+		temp += x
+		temp = chr(temp)
+		newString += temp
+	return newString
+
+print rotate_word('cheer', 7)

chap9.py

@@ -1,2 +1,48 @@
 # This is where the answers to Chapter 9 questions for the BSS Dev RampUp go
-# Name:
+# Name: Anthony Leonardi
+
+def read_file():
+	fin =open('words.txt')
+	for line in fin:
+		#word =fin.readline()
+		if len(line.strip()) >19:
+			print line
+
+def has_no_e(str):
+	if 'e' in str:
+		return False
+	else:
+		return True
+def avoids(word, forbidden):
+	for c in word:
+		if c in forbidden:
+			return False
+	return True
+
+def read_file_avoids(forbidden):
+	fin = open('words.txt')
+	count = 0
+	for line in fin:
+		if avoids(line.strip(), forbidden):
+			count += 1
+	return count
+
+def prompt_user():
+	forbidden = raw_input("enter a string of forbidden letters: ")
+	print read_file_avoids(forbidden)
+
+def uses_only(word, allowed):
+	for c in word:
+		if c not in allowed:
+			return False
+	return True
+
+print uses_only('alfalfa', 'alf')
+print uses_only('anthony', 'the')
+#prompt_user()
+
+"""read_file()
+print has_no_e('this')
+print has_no_e('there')
+print avoids('hello', 'abcde')
+print avoids('hello', 'abcd')"""

my_app/fourth_app.py

@@ -0,0 +1,35 @@
+import flask
+import settings
+
+# Views
+from main import Main
+from login import Login
+from remote import Remote
+from music import Music    
+
+app = flask.Flask(__name__)
+app.secret_key = settings.secret_key
+
+# Routes
+app.add_url_rule('/',
+                 view_func=Main.as_view('main'),
+                 methods=["GET"])
+app.add_url_rule('/<page>/',
+                 view_func=Main.as_view('main'),
+                 methods=["GET"])
+app.add_url_rule('/login/',
+                 view_func=Login.as_view('login'),
+                 methods=["GET", "POST"])
+app.add_url_rule('/remote/',
+                 view_func=Remote.as_view('remote'),
+                 methods=['GET', 'POST'])
+app.add_url_rule('/music/',
+                 view_func=Music.as_view('music'),
+                 methods=['GET'])
+
+@app.errorhandler(404)
+def page_not_found(error):
+	return flask.render_template('404.html'), 404
+
+app.debug = True
+app.run()

my_app/login.py

@@ -0,0 +1,24 @@
+import flask, flask.views
+
+users = {'anthony':'bacon'}
+
+class Login(flask.views.MethodView):
+    def get(self):
+        return flask.render_template('login.html')
+
+    def post(self):
+        if 'logout' in flask.request.form:
+            flask.session.pop('username', None)
+            return flask.redirect(flask.url_for('login'))
+        required = ['username', 'passwd']
+        for r in required:
+            if r not in flask.request.form:
+                flask.flash("Error: {0} is required.".format(r))
+                return flask.redirect(flask.url_for('login'))
+        username = flask.request.form['username']
+        passwd = flask.request.form['passwd']
+        if username in users and users[username] == passwd:
+            flask.session['username'] = username
+        else:
+            flask.flash("Username doesn't exist or incorrect password")
+        return flask.redirect(flask.url_for('login'))

my_app/main.py

@@ -0,0 +1,9 @@
+import flask, flask.views
+import os
+
+class Main(flask.views.MethodView):
+	def get(self, page="index"):
+		page += ".html"
+		if os.path.isfile('templates/' + page):
+			return flask.render_template(page)
+		flask.abort(404)

my_app/music.py

@@ -0,0 +1,10 @@
+import flask, flask.views
+import os
+import utils
+
+class Music(flask.views.MethodView):
+    @utils.login_required
+    def get(self):
+        songs = os.listdir('static/music')
+        return flask.render_template("music.html", songs=songs)
+

my_app/remote.py

@@ -0,0 +1,14 @@
+import flask, flask.views
+import os
+import utils
+
+class Remote(flask.views.MethodView):
+    @utils.login_required
+    def get(self):
+        return flask.render_template('remote.html')
+
+    @utils.login_required
+    def post(self):
+        result = eval(flask.request.form['expression'])
+        flask.flash(result)
+        return flask.redirect(flask.url_for('remote'))

my_app/settings.py

@@ -0,0 +1 @@
+secret_key = "bacon"