Author: dmeyer
Date: Fri Jun 22 18:45:08 2007
New Revision: 2717
Added:
trunk/WIP/netsearch/src/amazon.py
Log:
add simple amazon parser
Added: trunk/WIP/netsearch/src/amazon.py
==============================================================================
--- (empty file)
+++ trunk/WIP/netsearch/src/amazon.py Fri Jun 22 18:45:08 2007
@@ -0,0 +1,85 @@
+__all__ = [ 'search' ]
+
+import os
+import logging
+import urllib
+import kaa.xmlutils
+import kaa.imlib2
+
+log = logging.getLogger('netsearch')
+
+_supportedLocales = {
+ "us" : (None, "xml.amazon.com"),
+ "uk" : ("uk", "xml-eu.amazon.com"),
+ "de" : ("de", "xml-eu.amazon.com"),
+ "jp" : ("jp", "xml.amazon.com")
+ }
+
+PRODUCT_VIDEO = 'dvd'
+PRODUCT_AUDIO = 'audio'
+
+class AmazonXML(kaa.xmlutils.SaxTreeHandler):
+
+ def __init__(self, f):
+ kaa.xmlutils.SaxTreeHandler.__init__(self, 'Details')
+ self.results = []
+ self.parse(f)
+
+ def handle(self, node):
+ entry = {}
+ # parse everything we can get
+ for child in node.children:
+ if not child.children:
+ entry[child.name] = child.content
+ elif child.name in ('Artists', 'Lists', 'Tracks', 'Features'):
+ entry[child.name] = [ c.content for c in child.children ]
+ entry['url'] = node.getattr('url')
+ self.results.append(entry)
+ # normalize key names
+ entry['title'] = entry.get('ProductName')
+ # grab image
+ for imageurl in 'ImageUrlLarge', 'ImageUrlMedium', 'ImageUrlSmall':
+ if not entry.get(imageurl):
+ continue
+ try:
+ m = urllib.urlopen(entry.get(imageurl))
+ except (KeyboardInterrupt, SystemExit), e:
+ raise e
+ except:
+ continue
+ if m.info()['Content-Length'] == '807':
+ m.close()
+ continue
+ entry['image'] = kaa.imlib2.open_from_memory(m.read())
+ m.close()
+ break
+
+
+def search(search_type, keyword, product_line, locale='us'):
+ """
+ Search Amazon for video or audio metadata.
+ """
+ if not os.path.isfile(os.path.expanduser('~/.amazonkey')):
+ log.error('unable to get amazon licence key from ~/.amazonkey')
+ return []
+ license_key = open(os.path.expanduser('~/.amazonkey')).read().strip()
+ url = "http://"; + _supportedLocales[locale][1] + \
+ "/onca/xml3?f=xml&t=webservices-20" + \
+ "&dev-t=%s&type=%s" % (license_key, 'heavy')
+ if product_line:
+ url += "&mode=%s" % product_line
+ url += "&%s=%s" % (search_type, urllib.quote(keyword))
+ if _supportedLocales[locale][0]:
+ url += "&locale=%s" % _supportedLocales[locale][0]
+ log.info('read %s', url)
+ try:
+ return AmazonXML(urllib.urlopen(url)).results
+ except (KeyboardInterrupt, SystemExit), e:
+ raise e
+ except:
+ log.exception('amazon')
+ return []
+
+if __name__ == "__main__":
+ print search('UpcSearch', '085393162320', PRODUCT_VIDEO)
+ print search('KeywordSearch', 'west wing', PRODUCT_VIDEO)
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