全体的に参考ページを真似した。読んでて感動した。すごいお方もいるんだなぁ…
解決できなかったこと：
日本語のファイル名ではエラーが出る。
# -*- coding : utf-8 -*-
from google.appengine.ext import webapp
from google.appengine.ext import db
from google.appengine.ext.webapp.util import run_wsgi_app
from google.appengine.api import users
class FileStore(db.Model):
#ほとんど使ってません。
name = db.StringProperty()
body = db.BlobProperty()
mime = db.StringProperty()
size = db.IntegerProperty()
time = db.DateTimeProperty(auto_now_add=True)
download_count = db.IntegerProperty()
class RenderMainPage(webapp.RequestHandler):
def get(self):
user = users.get_current_user()
if user:
self.response.out.write(
"""
<html>
<body>
<div style="border-bottom: 1px dotted gray;">
<nobr>
<b>%(nickname)s</b>
<a href='%(logout_url)s'>logout</a>
<a href='/alldelete'>All Delete</a>
</nobr>
</div>
<br>
<div style="background-color: #ece8e3;border: 1px dotted #82c78e;padding: 3px;">
<h4>upload</h4>
<form action='/upload' method='post' enctype='multipart/form-data'>
password: <input type='text' name="admin_pass" /><br>
<input type='file' name="file" />
<input type="submit" value="upload" />
</form>
</div>
<br>
<div style="background-color: #efebe7;padding: 3px;">
<h3 style="text-align: center;">download</h3>
<br>
""" %{"nickname": user.nickname(),
"logout_url": users.create_logout_url("/")})
files = db.GqlQuery("SELECT * FROM FileStore"+
" ORDER BY time DESC")
if not files:
self.response.out.write("not upload file")
return
else:
for file_data in files:
if file_data.name:
self.response.out.write(
"""
<a href='/download?key=%(key)s'>%(name)s</a><br>
""" %{"key": str(file_data.key()),
"name": file_data.name
})
self.response.out.write(
"""
</div>
</body>
</html>
""")
else:
self.response.out.write(
"""
<html>
<body>
<a href='%s'>Sign In</a>
</body>
</html>
""" % users.create_login_url("/"))
class Uploader(webapp.RequestHandler):
def post(self):
if self.request.get("admin_pass") == "xxxxxxxx":#自分以外アップロードできません。
file_data = self.request.get("file")
upf = self.request.body_file.vars["file"]# omit upload file
_file = FileStore()
_file.name = upf.filename
_file.body = db.Blob(file_data)
_file.mime = upf.headers["content-type"]
_file.size = len(_file.body)
_file.download_count = 0
_file.put()
self.redirect("../")
else:
self.redirect("../")
class Downloader(webapp.RequestHandler):#知識がない分、ここが一番参考になった。
def get(self):
_file = FileStore.get(self.request.get("key"))
#アップローダを作るとき重要となる部分.
self.response.headers["Content-Type"] = "application/octet-stream"#このContent-Typeが必要。
content_disposition = 'attachment; filename="%s"' % str(_file.name)
self.response.headers["Content-Disposition"] = content_disposition #これも必須
self.response.out.write(_file.body) #バイナリの書き出し
class AllDelete(webapp.RequestHandler):#テストを手っ取り早くするためもの。データストアを全削除する。
def get(self):
file_list = db.GqlQuery("SELECT * FROM FileStore")
for _file in file_list:
_file.delete()
self.redirect("../")
application = webapp.WSGIApplication([
("/", RenderMainPage),
("/upload", Uploader),
("/download", Downloader),
("/alldelete", AllDelete)
], debug=True)
def main():
run_wsgi_app(application)
if __name__ == "__main__":
main()
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