def create_thumb_with_azure_vision(self, infile: str,
outfile: str) -> None:
"""Send infile to Azure Computer Vision API, return new thumb."""
logging.debug("Enter Google vision API")
# Get credentials for Azure vision API
subscription_key = os.getenv("AZURE_VISION_SUBSCRIPTION_KEY")
endpoint = os.getenv("AZURE_VISION_ENDPOINT")
# Connect to service API
computervision_client = ComputerVisionClient(
endpoint, CognitiveServicesCredentials(subscription_key))
# Open local image file
local_image = io.open(infile, "rb")
thumb_width = int(get_global_setting("PHOTO_THUMB_WIDTH"))
thumb_heigth = int(get_global_setting("PHOTO_THUMB_HEIGTH"))
# Returns a Generator object, a thumbnail image binary (list).
thumb_local = computervision_client.generate_thumbnail_in_stream(
thumb_width, thumb_heigth, local_image, True)
# Write the image binary to file
with open(outfile, "wb") as f:
for chunk in thumb_local:
f.write(chunk)
computervision_client = ComputerVisionClient(
endpoint, CognitiveServicesCredentials(subscription_key))
'''
Generate Thumbnail
This example creates a thumbnail from both a local and URL image.
'''
print("===== Generate Thumbnails - local =====")
# Generate a thumbnail from a local image
local_image_path_thumb = "Images/Faces.jpg"
local_image_thumb = open(local_image_path_thumb, "rb")
print("Generating thumbnail from a local image...")
# Call the API with a local image, set the width/height if desired (pixels)
# Returns a Generator object, a thumbnail image binary (list).
thumb_local = computervision_client.generate_thumbnail_in_stream(
100, 100, local_image_thumb, True)
# Write the image binary to file
with open("thumb_local.png", "wb") as f:
for chunk in thumb_local:
f.write(chunk)
# Uncomment/use this if you are writing many images as thumbnails from a list
# for i, image in enumerate(thumb_local, start=0):
# with open('thumb_{0}.jpg'.format(i), 'wb') as f:
# f.write(image)
print("Thumbnail saved to local folder.")
print()
print("===== Generate Thumbnails - remote =====")
# Generate a thumbnail from a URL image
if urllib.request.urlopen(req).status == 200:
try:
analysis = client.generate_thumbnail(width, height, url)
except Exception as e:
catch_exception(e, url)
sname = re.sub('\.(\w+)$', r'-thumbnail.\1',
os.path.basename(urlparse(url).path))
sname = os.path.join(get_cmd_cwd(), sname)
except urllib.error.URLError:
sys.exit("Error: The URL does not appear to exist. Please check."
f"{url}")
else:
path = os.path.join(get_cmd_cwd(), url)
with open(path, 'rb') as fstream:
try:
analysis = client.generate_thumbnail_in_stream(
width, height, fstream)
except Exception as e:
catch_exception(e, path)
sname = re.sub('\.(\w+)$', r'-thumbnail.\1', path)
for x in analysis:
image = Image.open(io.BytesIO(x))
image.save(sname)
print(sname)
