{"id":3398,"date":"2010-05-19T22:41:12","date_gmt":"2010-05-19T13:41:12","guid":{"rendered":"http:\/\/www.gesource.jp\/weblog\/?p=3398"},"modified":"2017-07-16T15:49:18","modified_gmt":"2017-07-16T06:49:18","slug":"googleappengine%e7%94%a8%e3%83%95%e3%83%ac%e3%83%bc%e3%83%a0%e3%83%af%e3%83%bc%e3%82%af-kay-%e3%81%a7%e7%94%bb%e5%83%8f%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad","status":"publish","type":"post","link":"https:\/\/www.gesource.jp\/weblog\/?p=3398","title":{"rendered":"GoogleAppEngine\u7528\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af Kay \u3067\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b"},"content":{"rendered":"

Google App Engine\u7528\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30afKay\u3092\u4f7f\u3044\u3001\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u65b9\u6cd5\u3002<\/p>\n

\u753b\u50cf\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306e\u30e2\u30c7\u30eb\u3092\u7528\u610f\u3057\u307e\u3059\u3002
\n\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u753b\u50cf\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306eBlobProperty\u3092\u7528\u610f\u3057\u307e\u3059\u3002<\/p>\n

class ThumbnailImage(db.Model):\n    thumbnail = db.BlobProperty()\n<\/code><\/pre>\n
\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306e\u305f\u3081\u306e\u30d5\u30a9\u30fc\u30e0\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
\n\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u306b\u306fFileField\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
class UploadForm(forms.Form):\n    upload_file = forms.FileField(u'\u753b\u50cf\u30d5\u30a1\u30a4\u30eb', required=True)\n<\/code><\/pre>\n
\u30d5\u30a9\u30fc\u30e0\u306evalidate()\u3067\u306f\u3001\u5f15\u6570\u306brequest.form\u306b\u52a0\u3048\u3066\u3001request.files\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002
\n(\u53c2\u8003\uff1a11.7. \u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9 — Kay v0.10.0 documentation<\/a>)<\/p>\n
if request.method == 'POST' and form.validate(request.form, request.files):\n<\/code><\/pre>\n
Images Python API<\/a>\u3092\u4f7f\u7528\u3057\u3066\u3001\u753b\u50cf\u3092\u7de8\u96c6\u3057\u307e\u3059\u3002<\/p>\n
uploaded_image = images.Image(form['upload_file'])\nuploaded_image.resize(width=100) #\u5e45\nthumbnail = uploaded_image.execute_transforms(output_encoding=images.JPEG)\n<\/code><\/pre>\n
\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n
image = ThumbnailImage(thumbnail=thumbnail)\nimage.put()\n<\/code><\/pre>\n
\u4fdd\u5b58\u3057\u305f\u753b\u50cf\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n
return Response(image.thumbnail, mimetype='image\/jpg')\n<\/code><\/pre>\n
\u5168\u4f53\u306e\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
myapp\/views.py<\/p>\n
from google.appengine.ext import db\nfrom google.appengine.api import images\nfrom kay.utils import (forms, render_to_response)\nfrom werkzeug import Response\n\nclass ThumbnailImage(db.Model):\n    thumbnail = db.BlobProperty()\n\nclass UploadForm(forms.Form):\n    upload_file = forms.FileField(u'\u753b\u50cf\u30d5\u30a1\u30a4\u30eb', required=True)\n\ndef index(request):\n    form = UploadForm()\n    if request.method == 'POST' and form.validate(request.form, request.files):\n        #\u753b\u50cf\u3092\u30ea\u30b5\u30a4\u30ba\u3057\u3066\u4fdd\u5b58\n        uploaded_image = images.Image(form['upload_file'])\n        uploaded_image.resize(width=100) #\u5e45\n        thumbnail = uploaded_image.execute_transforms(output_encoding=images.JPEG)\n        image = ThumbnailImage(thumbnail=thumbnail)\n        image.put()\n        #\u4fdd\u5b58\u3057\u305f\u753b\u50cf\u3092\u8868\u793a\n        return Response(image.thumbnail, mimetype='image\/jpg')\n\n    return render_to_response(\"myapp\/index.html\", \n                              {'form': form.as_widget()})\n<\/code><\/pre>\n
myapp\/templates\/index.html<\/p>\n
{{ form() | safe }}\n<\/code><\/pre>\n
\u88dc\u8db3
\nblobstore\u3092\u4f7f\u3046\u65b9\u6cd5\u306f\u300cKay \u3067\u3082 blobstore \u3092\u4f7f\u3046 (\u30b5\u30e0\u30cd\u30a4\u30eb\u3082)<\/a>\u300d\u304c\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n