issue_comments: 624408738
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| html_url | issue_url | id | node_id | user | created_at | updated_at | author_association | body | reactions | issue | performed_via_github_app |
|---|---|---|---|---|---|---|---|---|---|---|---|
| https://github.com/dogsheep/dogsheep-photos/issues/20#issuecomment-624408738 | https://api.github.com/repos/dogsheep/dogsheep-photos/issues/20 | 624408738 | MDEyOklzc3VlQ29tbWVudDYyNDQwODczOA== | 9599 | 2020-05-06T02:21:05Z | 2020-05-06T02:21:32Z | MEMBER | Here's rendering code from my hacked-together not-yet-released S3 image proxy: ```python from starlette.responses import Response from PIL import Image, ExifTags import pyheif for ORIENTATION_TAG in ExifTags.TAGS.keys(): if ExifTags.TAGS[ORIENTATION_TAG] == "Orientation": break ... # Load it into Pillow if ext == "heic": heic = pyheif.read_heif(image_response.content) image = Image.frombytes(mode=heic.mode, size=heic.size, data=heic.data) else: image = Image.open(io.BytesIO(image_response.content)) # Does EXIF tell us to rotate it? try: exif = dict(image._getexif().items()) if exif[ORIENTATION_TAG] == 3: image = image.rotate(180, expand=True) elif exif[ORIENTATION_TAG] == 6: image = image.rotate(270, expand=True) elif exif[ORIENTATION_TAG] == 8: image = image.rotate(90, expand=True) except (AttributeError, KeyError, IndexError): pass # Resize based on ?w= and ?h=, if set width, height = image.size w = request.query_params.get("w") h = request.query_params.get("h") if w is not None or h is not None: if h is None: # Set h based on w w = int(w) h = int((float(height) / width) * w) elif w is None: h = int(h) # Set w based on h w = int((float(width) / height) * h) w = int(w) h = int(h) image.thumbnail((w, h)) # ?bw= converts to black and white if request.query_params.get("bw"): image = image.convert("L") # ?q= sets the quality - defaults to 75 quality = 75 q = request.query_params.get("q") if q and q.isdigit() and 1 <= int(q) <= 100: quality = int(q) # Output as JPEG or PNG output_image = io.BytesIO() image_type = "JPEG" kwargs = {"quality": quality} if image.format == "PNG": image_type = "PNG" kwargs = {} image.save(output_image, image_type, **kwargs) return Response( output_image.getvalue(), media_type="image/jpeg", headers={"cache-control": "s-maxage={}, public".format(365 * 24 * 60 * 60)}, ) ``` | {"total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0} | 613006393 |