--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pyikriam/lazy/www/work/fetch.py	Wed Oct 22 04:04:32 2008 +0800
@@ -0,0 +1,83 @@
+import urllib2
+import urllib
+import cookielib
+import os
+
+def install_opener(cookiefile):
+    COOKIEFILE = cookiefile
+    cj = cookielib.LWPCookieJar()
+    if os.path.isfile(COOKIEFILE):
+        cj.load(COOKIEFILE)
+    else:
+        cj.save(cookiefile)
+        opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
+        opener.addheaders = [('User-agent', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-TW; rv:1.8.1.12pre) Gecko/20071220 BonEcho/2.0.0.12pre')]
+        urllib2.install_opener(opener)
+
+class Fetcher:
+    
+    opener = None
+    
+    working_product = None
+    
+    """
+    A Semi Production Decoration for content fetching.
+    
+    handles content restriving.
+    
+    >>> o = Fetcher( SemiProduct(source="http://localhost:8080") )
+    >>> o.get().working_product.content
+    'It works!!\\n'
+    """
+    def __init__(self, working_product):
+        self.working_product = working_product
+        
+    def get(self, data = {}):
+        """        
+        send datas via http get method.
+        """        
+        res = urllib2.urlopen(self.working_product.source, urllib.urlencode(data))
+        return res.read()
+    
+    def post(self, data = {} ):
+        """
+        send datas via http post method.
+        
+        >>> o = Fetcher( SemiProduct(source="http://localhost:8080") )
+        >>> o.post({'a':'b'}).working_product.content
+        'It works!!\\n'
+        """        
+        res = urllib2.urlopen(self.working_product.source, urllib.urlencode(data))
+        return res.read()    
+
+    def refer(self, refer_url):
+        """
+        refer getter/setter.
+
+        >>> o = Fetcher( SemiProduct(source="http://localhost:8080") )
+        >>> o.refer('http://www.example.com')        
+        """
+        raise NotImplementedError
+
+    def retry(self, count = 0, intval = 0, timeout = 0):
+        """
+        retry to fetch the content.
+
+        >>> o = Fetcher( SemiProduct(source="http://localhost:8080") )
+        >>> o.retry(4)        
+        """        
+        raise NotImplementedError
+    
+class Retry:
+    
+    """
+     A Fetcher Decoration for retry goal.
+     
+     
+    """
+    def __init__(self, fetcher):
+        raise NotImplementedError
+    
+if __name__ == '__main__':
+    import doctest
+    doctest.testmod()
\ No newline at end of file