Updated requirements text. Got podcast import working. Got show import working. Added "add feed" working. Added exit option. Added some existing podcast/show check logic.

main.py

@@ -1,26 +1,35 @@
 import opml
 # import sqlalchemy as db
 import database as db
+import feedparser as fp
 
 userID = None
 
 def podcastImport (userID):
-    print(userID)
-    podcasts = db.sql.Table('Users', db.metadata, autoload=True, autoload_with=db.engine)
+
 
     outline = opml.parse("podcast_republic_podcasts.opml")
+#get the number of shows from the OPML file
     x = len(outline)
     y=0
 
+#loops through each podcast and parses out relevant information
     while y < x:
         title = outline[y].title
         url = outline[y].xmlUrl
         artwork = outline[y].pr_artwork
         desc = outline[y].pr_desc
-        query = """insert into podcasts""""(userID, title, URL, desc, artworkURL values (""" + userID + """,""" + title + """,""" + url + """,""" + desc + """,""" + artwork + """)"""
 
-        # print(str(query))
-        db.con.execute(query)
+#checks to see if the podcast URL already exists for logged in user and skips it if it has already been imported.
+        query = db.sql.text("""select URL from Podcasts where URL = \"%s\" and userID = %i""" % (url, userID))
+        exists = db.con.execute(query).fetchone()
+#if the show doesn't already exist for the logged in user it gets added
+        if exists is None or exists[0] != url:
+            query = db.sql.text("""insert into Podcasts (userID, title, URL, artworkURL) values(%i, \"%s\", \"%s\", \"%s\") """ % (userID, title, url, artwork))
+            db.con.execute(query)
+            print("%s added" % title)
+        else:
+            print("%s already exists" % title)
         y=y+1
 
 
@@ -29,9 +38,7 @@ def login():
     password = 'password'
 
 
-    user = db.sql.Table('Users', db.metadata, autoload=True, autoload_with=db.engine)
-
-    query = db.sql.text(""" select userID from Users where username = \"""" + username+"""\"""")
+    query = db.sql.text(""" select userID from Users where username = \'%s\'""" % username)
     result = db.con.execute(query).fetchone()
 
     print(result[0])
@@ -39,10 +46,71 @@ def login():
     return result[0]
 
 
-while True:
-    print("user " + str(userID))
+def updateFeeds(userID):
+    showCheck = []
+#grabs podcast urls from logged in user
+    query = db.sql.text("""select URL, podcastID, title from Podcasts where userID = %i""" % userID)
+    shows = db.con.execute(query).fetchall()
 
-    print("1. Login \n 2. Upload")
+#loops through the returned urls and parses each rss feed
+    y=0
+    for x in shows:
+#Here we're grabbing all the show urls for each podcast and moving them into a separate array.
+        query = db.sql.text("""select link from Shows where userID = %i and podcastID = %i""" % (userID, shows[y][1]))
+        showGrab = db.con.execute(query).fetchall()
+        z=0
+        for each in showGrab:
+            showCheck.append(showGrab[z][0])
+            z=z+1
+
+        parsed = fp.parse(shows[y][0])
+        count = 0
+        for items in parsed['entries']:
+            url = parsed.entries[count].enclosures[0].get('href')
+#after parsing out the show URL we check if it already exists by comparing it against the showCheck array containing all show URLs
+            if url not in showCheck:
+                query = db.sql.text("""insert into Shows (podcastID, userID, link) values (%i, %i, \"%s\")""" % (shows[y][1], userID, url))
+                db.con.execute(query)
+            else:
+                continue
+            count = count + 1
+        print("%s has been updated" % shows[y][2])
+        y=y+1
+        showCheck = [] #Clear out the array for the next podcast
+
+def addFeed(userID):
+    newURL = input("Enter Feed URL: ")
+    count = 0
+
+    parsed = fp.parse(newURL)
+
+    title = parsed.feed.title
+    artwork = parsed.feed.image
+
+# checks to see if the podcast URL already exists for logged in user and skips it if it has already been imported.
+    query = db.sql.text("""select URL from Podcasts where URL = \"%s\" and userID = %i""" % (newURL, userID))
+    exists = db.con.execute(query).fetchone()
+# if the show doesn't already exist for the logged in user it gets added
+    if exists is None or exists[0] != newURL:
+        query = db.sql.text("""insert into Podcasts (userID, title, URL, artworkURL) values(%i, \"%s\", \"%s\", \"%s\") """ % (userID, title, newURL, artwork))
+        db.con.execute(query)
+        print("%s added" % title)
+# Once the podcast is added we grab the podcastID so we can import the shows
+        query = db.sql.text("""select podcastID from Podcasts where userID = %i and URL = \"%s\"""" % (userID, newURL))
+        result = db.con.execute(query).fetchone()
+        podcastID = result[0]
+
+# Import the new shows. No need to check if the show URLS already exist since it's new
+        for items in parsed['entries']:
+            itemURL = parsed.entries[count].enclosures[0].get('href')
+            query = db.sql.text("""insert into Shows (podcastID, userID, link) values (%i, %i, \"%s\")""" % (podcastID, userID, itemURL))
+            db.con.execute(query)
+            count = count + 1
+    else:
+        print("%s already exists" % title)
+
+while True:
+    print("1. Login\n2. Upload\n3. Update feeds\n4. Add Feed\n9. Exit\n")
     val = input(">>>")
     if val == "1":
         userID = login()
@@ -51,3 +119,15 @@ while True:
             print("Please login first")
         else:
             podcastImport(userID)
+    elif val == "3":
+        if userID is None or userID == '':
+            print("Please login first")
+        else:
+            updateFeeds(userID)
+    elif val == "4":
+        if userID is None or userID == '':
+            print("Please login first")
+        else:
+            addFeed(userID)
+    elif val == "9":
+       exit()

requirements.txt

@@ -1,3 +1,5 @@
-OPML
-sqlalchemy
-pymysql
+feedparser==5.2.1
+lxml==4.5.0
+opml==0.5
+PyMySQL==0.9.3
+SQLAlchemy==1.3.13