我有一臺Windows Server 2008 R2(64位)機器,我想在其上開發谷歌AppEngine應用程序。使用谷歌Appengine SDK PIL的麻煩
所以我從python.org安裝了Python 2.5.4(因爲Google SDK說我需要2.5和2.5.6沒有任何MSI的) 然後我安裝了PIL從http://www.pythonware.com/products/pil/我使用的版本是1.1.7 for python 2.5 我使用了這兩種的32位版本。
然後我安裝了AppEngine SDK。
你好,世界工作得很好,但我想處理的圖像,沒有工作,因爲我得到這個堆棧跟蹤和HTTP響應500:
2010-02-18 11:50:27 Running command: "['C:\\Python25\\pythonw.exe', 'C:\\Program Files
(x86)\\Google\\google_appengine\\dev_appserver.py', '--admin_console_server=', '--port=8080', 'd:\\imgsvc']"
WARNING 2010-02-18 10:50:29,260 datastore_file_stub.py:623] Could not read datastore data from c:\users\admini~1\appdata\local\temp\dev_appserver.datastore
INFO 2010-02-18 10:50:29,627 dev_appserver_main.py:399] Running application imgsvc on port 8080: http://localhost:8080
ERROR 2010-02-18 10:50:40,058 dev_appserver.py:3217] Exception encountered handling request
Traceback (most recent call last):
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 3180, in _HandleRequest
self._Dispatch(dispatcher, self.rfile, outfile, env_dict)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 3123, in _Dispatch
base_env_dict=env_dict)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 515, in Dispatch
base_env_dict=base_env_dict)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 2382, in Dispatch
self._module_dict)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 2292, in ExecuteCGI
reset_modules = exec_script(handler_path, cgi_path, hook)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 2188, in ExecuteOrImportScript
exec module_code in script_module.__dict__
File "d:\imgsvc\imgsvc.py", line 7, in <module>
outputimage = images.resize(inputimage.content, 32, 32)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\api\images\__init__.py", line 625, in resize
return image.execute_transforms(output_encoding=output_encoding)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\api\images\__init__.py", line 513, in execute_transforms
response)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\api\apiproxy_stub_map.py", line 78, in MakeSyncCall
return apiproxy.MakeSyncCall(service, call, request, response)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\api\apiproxy_stub_map.py", line 278, in MakeSyncCall
rpc.CheckSuccess()
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\api\apiproxy_rpc.py", line 149, in _WaitImpl
self.request, self.response)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\api\apiproxy_stub.py", line 80, in MakeSyncCall
method(request, response)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\api\images\images_stub.py", line 171, in _Dynamic_Transform
response_value = self._EncodeImage(new_image, request.output())
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\api\images\images_stub.py", line 193, in _EncodeImage
image.save(image_string, image_encoding)
File "C:\Python25\lib\site-packages\PIL\Image.py", line 1439, in save
save_handler(self, fp, filename)
File "C:\Python25\lib\site-packages\PIL\PngImagePlugin.py", line 564, in _save
import ICCProfile
SystemError: Parent module 'PIL' not loaded
INFO 2010-02-18 10:50:40,081 dev_appserver.py:3246] "GET/HTTP/1.1" 500 -
的Python腳本我試圖運行:
from google.appengine.api import urlfetch
from google.appengine.api import images
url = "http://www.brokenwire.net/bw/images/113.png"
inputimage = urlfetch.fetch(url)
if inputimage.status_code == 200:
outputimage = images.resize(inputimage.content, 32, 32)
self.response.headers['Content-Type'] = "image/png"
self.response.out.write(outputimage)
任何人有任何想法這裏怎麼了?
我也試過這種獨立python腳本,它工作得很好:
import Image
im = Image.open('filename.png')
im2 = im.resize((100,100), Image.ANTIALIAS)
im2.show()
看來,這讓我使用的圖像的差異:
url = "http://www.r-stone.net/blogs/ishikawa/uploaded_images/google_appengine-779483.png"
給出問題的堆棧跟蹤,但
url = "http://www.brokenwire.net/bw/images/113.png"
工作沒有問題。
我不知道,如果它工作在GAE生產。 – Constantin 2010-02-19 13:54:27
好的電話,我會試試。現在我可以正常工作,而另一個工作不正常(本地),只是很好奇,爲什麼... – thijs 2010-02-19 14:25:31
檢查GAE開發服務器是否運行在安裝PIL的同一Python版本上。 – systempuntoout 2010-11-03 14:30:20