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getting python working on apache- look into mod-python

I just upgraded to Snow Leopard yesterday and will cross my fingers that Python works as expected. :) If it does, then I’ll post the entire code on GitHub and send you a quick note.

By the way, I’m originally from Vancouver–hope you’re enjoying it.

CONNSTRING='sqlite:///rss.sqlite'
 
Base = declarative_base()
class RSSFeeds(Base):
    __tablename__ = 'RSSFeeds'
 
    id = Column(Integer, primary_key=True)
    url = Column(String)
 
    def __init__(self, url):
        self.url = url
 
    def __repr__(self):
        return "" % (self.url, ))
 
 
class RSSEntries(Base):
    __tablename__ = 'RSSEntries'
 
    id = Column(Integer, primary_key=True)
    url = Column(String)
    title = Column(String)
    content = Column(String)
    date = Column(Date)
 
    def __init__(self, url, title, content, date):
        self.url = url
        self.title = title
        self.content = content
        self.date = date
 
    def __repr__(self):
        return "" % (self.url, self.title, ))
 
 
engine = create_engine(CONNSTRING)
 
metadata = Base.metadata
metadata.create_all(engine) 
 
Session = sessionmaker(bind=engine)
session = Session()
feeds = session.query(RSSFeeds).all()
 
def store_feed_items(id, items):
    """ Takes a feed_id and a list of items and stored them in the DB """
    for entry in items:
        checkitem = session.query(RSSEntries).filter_by(url=entry.link).all()
            if not checkitem:
            item = RSSEntries(entry.link, entry.title, entry.summary, entry.updated_parsed)
            session.add(item)
    session.commit()

Note: I haven’t actually tested this code to make sure it works.

I’m trying to convert this script to use sqlalchemy and have a couple of questions. I am able to successfully get everything put into the RSSEntries table using sqlalchemy, but there are a few “leftover pieces” in the code that don’t seem to translate:

1) To replace your “conn=sqlite3.connect(DATABASE) line I have written “conn=engine.commit” (and that works). However, I don’t know what to do with the “conn.row_factory = sqlite3.Row” line. What does that do? I’ve left it out and the script still seems to work.

2) If I try to use the “c=conn.cursor()” line I keep getting an error:

c = conn.cursor()
AttributeError: ‘Connection’ object has no attribute ‘cursor’

I guess sqlalchemy doesn’t use “cursor” in this fashion?

3) Because of the “cursor” error, I replaced your “feeds = …” line with “feeds = conn.execute(‘SELECT id, url FROM feeds’).fetchall()”, which works well. However, I can’t get your “if len(c.fetchall()) == 0″ line to work, even when I replace “c” with “conn” or “engine.” (In my initial test, I just commented out that line then the script works). I am guessing this line helps avert duplicates? Is that right? And if so, any idea how to do this using sqlalchemy? Here’s the error I get:

if len(conn.fetchall()) == 0:
AttributeError: ‘Connection’ object has no attribute ‘fetchall’

I hope this makes sense–I can attach the whole code if it doesn’t–and thanks in advance for any help.

-Greg