def query_img_info_by_content(img_path):
result_json_list = []
pool = ThreadPool(70)
try:
html = ContentDownloader.fetch_first_page(img_path)
#print html
img_list = DataParser.parse_img_info(html)
#print img_list
next_page_href_list = DataParser.parse_next_page_href(html)
#print next_page_href_list
result_json_list = pool.map(
query_img_info_func, next_page_href_list)
pool.close()
pool.join()
result_json_list = reduce(image_info_list_reduce, result_json_list)
result_json_list = filter(image_info_list_filter, result_json_list)
print 'Finish query.'
except Exception, e:
print e
