first commit. experimenting with logon and vote, not working yet.

Author: tmelz

reddit_api.py

@@ -0,0 +1,146 @@
+import urllib
+import urllib2
+import simplejson
+import cookielib
+
+DEFAULT_CONTENT_LIMIT = 25
+
+REDDIT_USER_AGENT = { 'User-agent': 'Mozilla/4.0 (compatible; MSIE5.5; Windows NT' }
+REDDIT_URL = "http://www.reddit.com/"
+REDDIT_LOGIN_URL = "http://www.reddit.com/api/login"
+REDDIT_VOTE_URL = "http://www.reddit.com/api/vote"
+
+REDDITOR_ABOUT_PAGE = "http://www.reddit.com/user/%s/about"
+REDDITOR_ABOUT_FIELDS = ['comment_karma', 'created', 'created_utc', 'has_mail', 'has_mod_mail', 'id', 'is_mod', 'link_karma', 'name']
+SUBREDDIT_SECTIONS = ['hot', 'new', 'controversial', 'top']
+
+
+class Reddit:
+    """A class for a reddit session."""
+    def __init__(self):
+        """Initialize all of the tools we need."""
+        # Make these simpler to access
+        self.Request = urllib2.Request
+        self.urlopen = urllib2.urlopen
+
+        # Set cookies
+        self.cookie_jar = cookielib.CookieJar()
+        opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(self.cookie_jar))
+        urllib2.install_opener(opener)
+
+        # Set logged in user to None
+        self.user = None
+
+    def get_page(self, page_url, params=None, url_data=None):
+        """Given a page url and a dict of params, return the page JSON."""
+        # Add .JSON to the end of the url
+        page_url += ".json"
+        if url_data is not None:
+            page_url += "?"+urllib.urlencode(url_data)
+        
+        # Encode the params and then create the request.
+        encoded_params = None
+        if params is not None:
+            encoded_params = urllib.urlencode(params)
+        request = self.Request(page_url, encoded_params, REDDIT_USER_AGENT)
+
+        # Get the data 
+        json_data = self.urlopen(request).read()
+        data = simplejson.loads(json_data)
+
+        return data
+
+    def get_user(self, user_name):
+        return Redditor(user_name, self)
+    def get_subreddit(self, subreddit_name):
+        return Subreddit(subreddit_name, self)
+
+    def get_content(self, page_url, limit=DEFAULT_CONTENT_LIMIT, url_data=None):
+        content = []
+        after = None
+        
+        while len(content) < limit:
+            if after is not None:
+                data = {"after":after}
+                if url_data is not None:
+                    data.extend(url_data)
+                page_data = self.get_page(page_url, url_data=data)
+            else:
+                page_data = self.get_page(page_url, url_data=url_data)
+
+            if page_data.get('data') is None:
+                break
+
+            data = page_data.get('data')
+
+            children = map(lambda x: x.get('data'), data.get('children'))
+            content.extend(children)
+            after = data.get('after')
+            
+            if after is None:
+                break
+
+        content = content[:limit]
+
+        return content
+    def login(self, user, password):
+        self.user = user
+
+        params = urllib.urlencode({
+                    'id' : '#login_login-main',
+                    'op' : 'login-main',
+                    'passwd' : password,
+                    'user' : user
+                })
+        req = self.Request(REDDIT_LOGIN_URL, params, REDDIT_USER_AGENT)
+        return self.urlopen(req).read()
+    def vote(self, content_id, direction=0, subreddit_name=""):
+        params = urllib.urlencode({
+                    'id' : content_id,
+                    'dir' : direction,
+                    'r' : subreddit_name
+                })
+        req = self.Request(REDDIT_VOTE_URL, params, REDDIT_USER_AGENT)
+        return self.urlopen(req).read()
+        
+class Redditor:
+    """A class for Redditor methods."""
+    def __init__(self, user_name, reddit_session):
+        self.user_name = user_name
+        self.ABOUT_URL = REDDITOR_ABOUT_PAGE % self.user_name
+        self.reddit_session = reddit_session
+
+    def get_about_attribute(self, attribute):
+        data = self.reddit_session.get_page(self.ABOUT_URL)
+        return data['data'].get(attribute)
+
+# Add getters for Redditor about fields
+for user_attribute in REDDITOR_ABOUT_FIELDS:
+    func = lambda self, attribute=user_attribute: self.get_about_attribute(attribute)
+    setattr(Redditor, 'get_'+user_attribute, func)
+        
+class Subreddit:
+    def __init__(self, subreddit_name, reddit_session):
+        self.name = subreddit_name
+        self.url = REDDIT_URL + "r/" + self.name
+        self.reddit_session = reddit_session
+    def get_top(self, time="day", limit=DEFAULT_CONTENT_LIMIT):
+        top_url = self.url + "/top"
+        return self.reddit_session.get_content(top_url, limit=limit, url_data={"t":time})
+    def get_controversial(self, time="day", limit=DEFAULT_CONTENT_LIMIT):
+        controversial_url = self.url + "/controversial"
+        return self.reddit_session.get_content(top_url, limit=limit, url_data={"t":time})
+    def get_new(self, sort="rising", limit=DEFAULT_CONTENT_LIMIT):
+        new_url = self.url + "/new"
+        return self.reddit_session.get_content(top_url, limit=limit, url_data={"sort":sort})
+    def get_hot(self, limit=DEFAULT_CONTENT_LIMIT):
+        return self.reddit_session.get_content(self.url, limit=limit)
+
+
+        
+        
+
+
+
+
+