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"""
Search photos using Pexels API.
"""
import logging
import os
import random
from io import BytesIO
from typing import Union, Tuple, Literal
from urllib.parse import urlparse, parse_qs
import requests
REQUEST_TIMEOUT = 12
MAX_PHOTOS = 3
# Only show warnings
logging.getLogger('urllib3').setLevel(logging.WARNING)
# Disable all child loggers of urllib3, e.g. urllib3.connectionpool
logging.getLogger('urllib3').propagate = False
def search_pexels(
query: str,
size: Literal['small', 'medium', 'large'] = 'medium',
per_page: int = MAX_PHOTOS
) -> dict:
"""
Searches for images on Pexels using the provided query.
This function sends a GET request to the Pexels API with the specified search query
and authorization header containing the API key. It returns the JSON response from the API.
:param query: The search query for finding images.
:param size: The size of the images: small, medium, or large.
:param per_page: No. of results to be displayed per page.
:return: The JSON response from the Pexels API containing search results.
:raises requests.exceptions.RequestException: If the request to the Pexels API fails.
"""
url = 'https://api.pexels.com/v1/search'
headers = {
'Authorization': os.getenv('PEXEL_API_KEY')
}
params = {
'query': query,
'size': size,
'page': 1,
'per_page': per_page
}
response = requests.get(url, headers=headers, params=params, timeout=REQUEST_TIMEOUT)
response.raise_for_status() # Ensure the request was successful
return response.json()
def get_photo_url_from_api_response(
json_response: dict
) -> Tuple[Union[str, None], Union[str, None]]:
"""
Return a randomly chosen photo from a Pexels search API response. In addition, also return
the original URL of the page on Pexels.
:param json_response: The JSON response.
:return: The selected photo URL and page URL or `None`.
"""
page_url = None
photo_url = None
if 'photos' in json_response:
photos = json_response['photos']
if photos:
photo_idx = random.choice(list(range(MAX_PHOTOS)))
photo = photos[photo_idx]
if 'url' in photo:
page_url = photo['url']
if 'src' in photo:
if 'large' in photo['src']:
photo_url = photo['src']['large']
elif 'original' in photo['src']:
photo_url = photo['src']['original']
return photo_url, page_url
def get_image_from_url(url: str) -> BytesIO:
"""
Fetches an image from the specified URL and returns it as a BytesIO object.
This function sends a GET request to the provided URL, retrieves the image data,
and wraps it in a BytesIO object, which can be used like a file.
:param url: The URL of the image to be fetched.
:return: A BytesIO object containing the image data.
:raises requests.exceptions.RequestException: If the request to the URL fails.
"""
response = requests.get(url, stream=True, timeout=REQUEST_TIMEOUT)
response.raise_for_status()
image_data = BytesIO(response.content)
return image_data
def extract_dimensions(url: str) -> Tuple[int, int]:
"""
Extracts the height and width from the URL parameters.
:param url: The URL containing the image dimensions.
:return: A tuple containing the width and height as integers.
"""
parsed_url = urlparse(url)
query_params = parse_qs(parsed_url.query)
width = int(query_params.get('w', [0])[0])
height = int(query_params.get('h', [0])[0])
return width, height
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