Added Vision API CLI sample.

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Marc Fernandez 2016-12-10 18:02:40 -08:00
parent 04e249b9f2
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# Copyright 2016 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require 'google/apis/vision_v1'
require 'base_cli'
module Samples
# Examples for the Vision APIs
#
# Sample usage:
#
# $ ./google-api-samples vision process ~/my_image.jpg --feature='TEXT_DETECTION'
#
class Vision < BaseCli
Vision = Google::Apis::VisionV1
attr_reader :image_path
desc 'process FILE', 'Process an image'
method_option :feature, type: :string, required: true
method_option :max_results, type: :numeric
def process(image_path)
@image_path = image_path
vision = Vision::VisionService.new
vision.key = api_key
result = vision.annotate_image(requests)
print "\nImage processed! - Response:\n\n"
p result
end
private
def image
@image ||= Vision::Image.new(content: File.open(image_path).read)
end
def feature
@feature ||= Vision::Feature.new(
type: options[:feature],
max_results: options[:max_results] || 1
)
end
def requests
@requests ||= Vision::BatchAnnotateImagesRequest.new(
requests: [
Vision::AnnotateImageRequest.new(
image: image,
features: [feature]
)
]
)
end
end
end