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App engine ja night 9 beertalk2

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SATOSHI TAGOMORI
SATOSHI TAGOMORI

テーマ：「SDKを試しに読んでみるよ」 内容：Python on GAEのコードをDatastoreを中心に追いかけてみます。難易度やどこをメインで読むかは参加者の意思とノリ、残り時間次第？ http://atnd.org/events/5951

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SDK AppEngine ja night 9 BeerTalk2 @tagomoris
tagomoris TAGOMORI Satoshi / Twitter: @tagomoris E-mail: tagomoris@gmail.com Blog: http://d.hatena.ne.jp/tagomoris/ Projects: GAETestBase: code.google.com/p/appengine-test-helper simpleoauth-gae: code.google.com/p/simpleoauth-gae
SDK • AppEngine • Low level API ProtocolBuffer • • ……( •
SDK
AppEngine • Python, Java • API • RPC • Service • • MultiQuery batch put
MakeSyncCall
appspot MSC SDK
Google Python • • • • • •
MakeSyncCall
MakeSyncCall MakeCall make_call 9 _MakeSyncCall (7 ) google.appengine.api.apiproxy_stub.ApiProxyStub google.appengine.api.apiproxy_stub_map google.appengine.api.apiproxy_stub_map.ApiProxyStubMap google.appengine.runtime.apiproxy google.appengine.api.datastore_file_stub.DatastoreFileStub google.appengine.datastore.datastore_sqlite_stub.DatastoreSqliteStub google.appengine.api.images.images_not_implemented_stub.ImageNotImplementedServiceStub google.appengine.ext.remote_api.remote_api_stub.RemoteStub google.appengine.ext.remote_api.remote_api_stub.RemoteDatastoreStub
• •
ext.db Taskqueue Users Datastore ProtocolBuffer Memcache UrlFetch MakeSyncCall ApiProxyStubMap ApiProxyStubMap ApiProxy DatastoreFileStub DatastoreSqliteStub CapabilityStub ServiceStub
ext.db Taskqueue Users Datastore ProtocolBuffer Memcache UrlFetch MakeSyncCall ApiProxyStubMap ApiProxyStubMap ApiProxy DatastoreFileStub DatastoreSqliteStub CapabilityStub ServiceStub
Python MakeAsyncCall Java
Google • import import google.appengine.ext.db.* Model.get(...) from google.appengine.ext import db db.Model.get(...)
Google • # google/appengine/api/datastore.py def _FindTransactionFrameInStack(): .... _CurrenyTransactionKey = _FindTransactionFrameinstack # google/appengine/ext/db/__init__.py run_in_transaction = datastore.RunInTransaction ... RunInTransaction = run_in_transaction
1. demos/guestbook/guestbook.py 2. google/appengine/ext/db/__init__.py 3. google/appengine/api/datastore.py 4. google/appengine/api/apiproxy_stub_map.py 5. google/appengine/runtime/apiproxy.py
App engine ja night 9 beertalk2

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  • 1. SDK AppEngine ja night 9 BeerTalk2 @tagomoris
  • 2. tagomoris TAGOMORI Satoshi / Twitter: @tagomoris E-mail: tagomoris@gmail.com Blog: http://d.hatena.ne.jp/tagomoris/ Projects: GAETestBase: code.google.com/p/appengine-test-helper simpleoauth-gae: code.google.com/p/simpleoauth-gae
  • 3. SDK • AppEngine • Low level API ProtocolBuffer • • ……( •
  • 4. SDK
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  • 7. appspot MSC SDK
  • 8. Google Python • • • • • •
  • 10. MakeSyncCall MakeCall make_call 9 _MakeSyncCall (7 ) google.appengine.api.apiproxy_stub.ApiProxyStub google.appengine.api.apiproxy_stub_map google.appengine.api.apiproxy_stub_map.ApiProxyStubMap google.appengine.runtime.apiproxy google.appengine.api.datastore_file_stub.DatastoreFileStub google.appengine.datastore.datastore_sqlite_stub.DatastoreSqliteStub google.appengine.api.images.images_not_implemented_stub.ImageNotImplementedServiceStub google.appengine.ext.remote_api.remote_api_stub.RemoteStub google.appengine.ext.remote_api.remote_api_stub.RemoteDatastoreStub
  • 12. ext.db Taskqueue Users Datastore ProtocolBuffer Memcache UrlFetch MakeSyncCall ApiProxyStubMap ApiProxyStubMap ApiProxy DatastoreFileStub DatastoreSqliteStub CapabilityStub ServiceStub
  • 13. ext.db Taskqueue Users Datastore ProtocolBuffer Memcache UrlFetch MakeSyncCall ApiProxyStubMap ApiProxyStubMap ApiProxy DatastoreFileStub DatastoreSqliteStub CapabilityStub ServiceStub
  • 15. Google • import import google.appengine.ext.db.* Model.get(...) from google.appengine.ext import db db.Model.get(...)
  • 16. Google • # google/appengine/api/datastore.py def _FindTransactionFrameInStack(): .... _CurrenyTransactionKey = _FindTransactionFrameinstack # google/appengine/ext/db/__init__.py run_in_transaction = datastore.RunInTransaction ... RunInTransaction = run_in_transaction
  • 17. 1. demos/guestbook/guestbook.py 2. google/appengine/ext/db/__init__.py 3. google/appengine/api/datastore.py 4. google/appengine/api/apiproxy_stub_map.py 5. google/appengine/runtime/apiproxy.py