finished download image from huaban.

practice_projects/downloadHuaban.py

@@ -0,0 +1,30 @@
+#!python
+# downloadHuaban.py - download picture from http://huaban.com/favorite/beauty/
+
+import requests, os, re
+
+url = "http://huaban.com/favorite/beauty/"
+os.makedirs('huaban', exist_ok=True)
+print('Fetching waterfall...')
+res = requests.get(url)
+res.raise_for_status()
+
+pin_id_match = re.compile('"pin_id":(\d+)')
+pin_id_list = pin_id_match.findall(res.text)
+
+for pin_id in pin_id_list:
+    url = 'http://huaban.com/pins/' + pin_id
+    res = requests.get(url)
+    res.raise_for_status()
+
+    image_key_match = re.compile('"pin":{"pin_id":' + pin_id + ',\s.+?"key":"(.+?)",')
+    image_key = image_key_match.findall(res.text)
+    url = 'http://img.hb.aicdn.com/' + image_key[0]
+    res = requests.get(url)
+    res.raise_for_status()
+
+    print('downloading %s.jpg...' % pin_id)
+    image = open('huaban/' + pin_id + '.jpg', 'wb')
+    for chunk in res.iter_content(100000):
+        image.write(chunk)
+    image.close()