Python Image.save方法代码示例

# 需要导入模块: from app.models import Image [as 别名]
# 或者: from app.models.Image import save [as 别名]
def import_from_directory(path_to_images):

    connect("eventum")
    creator = User.objects().get(gplus_id="super")

    filenames = os.listdir(path_to_images)
    filenames = [fn for fn in filenames if not fn.startswith(".")]
    failures = []

    for filename in filenames:

        if Image.objects(filename=filename).count() > 0:
            img = Image.objects().get(filename=filename)
            img.delete()

        old_path = os.path.join(path_to_images, filename)
        shutil.copy(old_path, config["UPLOAD_FOLDER"])

        default_path = config["RELATIVE_UPLOAD_FOLDER"] + filename
        image = Image(filename=filename, default_path=default_path, creator=creator)
        try:
            image.save()
        except ValidationError as e:
            failures.append(filename)
            print "FAIL: %s" % filename
            print e

    print "Processed %s images." % len(filenames)
    print "%s success." % (len(filenames) - len(failures))
    print "%s failures." % len(failures)

# 需要导入模块: from app.models import Image [as 别名]
# 或者: from app.models.Image import save [as 别名]
def upload():
    """Upload an image to Eventum

    **Route:** ``/admin/media/upload``

    **Methods:** ``POST``
    """
    form = UploadImageForm(request.form)
    uploaded_from = form.uploaded_from.data
    if form.validate_on_submit():
        f = request.files['image']
        if f and allowed_file(f.filename.lower()):
            filename = create_filename(f, request.form['filename'])
            f.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
            image = Image(filename=filename,
                          default_path=app.config['RELATIVE_UPLOAD_FOLDER']+filename,
                          creator=g.user)
            image.save()
            return redirect(url_for('.index'))
        flash("Filename {} is invalid".format(f.filename))
    if form.errors:
        flash(form.errors)
    if uploaded_from:
        return redirect(uploaded_from)
    return render_template('admin/media/upload.html', form=form)

# 需要导入模块: from app.models import Image [as 别名]
# 或者: from app.models.Image import save [as 别名]
    def save(self):
        super(ImageFile, self).save()
        img = Image()
        img.file_id = self.id
        img.image   = self.base + '.' + self.ext

        img.save()
        return self.base

# 需要导入模块: from app.models import Image [as 别名]
# 或者: from app.models.Image import save [as 别名]
def create_images(num_images, superuser, printer):
    """Creates ``num_images`` image objects in the database.  It will download
    sample images from http://lorempixel.com, and add database entries.

    :param int num_images: The number of images to create
    :param superuser: The superuser object to associate with the images.
    :type superuser: :class:`~app.models.User`
    :param printer: The object to manage progress printing.
    :type printer: :class:`~script.cli.ProgressPrinter`

    :returns: A list of images that now exist.
    :rtype: list(:class:`~app.models.Image`)
    """
    print "Generating images..."
    printer.line()

    successes = []
    failures = []
    skips = []
    for width in range(400, 1600, (1600 - 400) / num_images):
        height = width / 2
        filename = BASE_FILENAME.format(width, height)
        path = config['UPLOAD_FOLDER'] + filename
        url = BASE_URL.format(width, height)

        printer.begin_status_line(filename)

        # Download image if it doesn't exist already
        if not exists(path):
            try:
                urllib.urlretrieve(url, path)
            except IOError:
                failures.append((filename, ''))
                printer.status_fail()
                continue  # Failed to download, move on to the next image.

        # Insert or fetch image from database
        if Image.objects(filename=filename).count() == 0:
            image = Image(filename=filename,
                          default_path=path,
                          creator=superuser)
            image.save()
            successes.append((filename, path))
            printer.status_success()
        else:
            skips.append((filename, path))
            printer.status_skip()

    printer.line()
    printer.results(len(successes), len(skips), len(failures))
    return successes + skips

# 需要导入模块: from app.models import Image [as 别名]
# 或者: from app.models.Image import save [as 别名]
def upload():
    """Upload an image to Eventum

    :returns: A JSON containing the status of the file upload, or error
              messages, if any.
    :rtype: json
    """
    form = UploadImageForm(request.form)
    if form.validate_on_submit():
        f = request.files['image']
        if f:
            filename = create_filename(f, request.form['filename'])
            f.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
            default_path = app.config['RELATIVE_UPLOAD_FOLDER'] + filename
            image = Image(filename=filename,
                          default_path=default_path,
                          creator=g.user)
            image.save()
            return jsonify({"status": "true"})
    if form.errors:
        return jsonify(form.errors)
    return jsonify({"status": "error"})