def upload_to_s3(file_obj, filename=None):
"""Uploads the file_obj to an Amazon S3 bucket under filename if specified."""
if not filename:
filename = werkzeug.secure_filename(file_obj.filename)
randstr = None
if doc_has_file_twin(make_s3_path(filename)):
randstr = gen_rand_string(8)
filename = insert_in_filename(filename, randstr)
mimetype = mimetypes.guess_type(filename)[0]
bucket = get_bucket()
key = bucket.new_key(filename)
key.set_metadata('Content-Type', mimetype)
file_obj.seek(0)
key.set_contents_from_file(file_obj)
key.set_acl('public-read')
return randstr
def update_doc(doc_id):
"""Upload a new version of a document."""
doc = Document.query.get(doc_id)
form = UpdateDocumentForm()
if form.validate_on_submit():
file_obj = form.uploaded.data
filename = insert_in_filename(werkzeug.secure_filename(file_obj.filename), "-{0}-rev.{1}".format(
current_user.username, len(doc.versions)))
upload_to_s3(file_obj, filename)
s3path = make_s3_path(filename)
version = Version(form.comment.data, s3path, croc.add_doc_to_croc(s3path), doc)
add_model(version)
flash("Added new version of {0}".format(doc.name), 'success')
return redirect(url_for('docs.view_doc', doc_id=doc.uid))
else:
return redirect(url_for('docs.view_doc', doc_id=doc.uid))
def upload():
"""Display upload template, and upload document if form submitted."""
form = DocumentForm()
if form.validate_on_submit():
file_obj = form.uploaded.data
filename = werkzeug.secure_filename(file_obj.filename)
randstr = upload_to_s3(file_obj)
if randstr:
filename = insert_in_filename(filename, randstr)
doc = Document(form.name.data, make_s3_path(filename),
request.form['format'], current_user)
doc.uuid = croc.add_doc_to_croc(doc.s3path)
db.session.add(doc)
db.session.commit()
flash("Successfully uploaded {0}".format(filename), 'success')
return redirect(url_for('home'))
return render_template('upload.html', form=form)