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Make domlogo more robust when images are missing or folders not created #126

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Merged
merged 1 commit into from
Apr 10, 2024
Merged

Make domlogo more robust when images are missing or folders not created #126

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31 changes: 30 additions & 1 deletion domlogo/domlogo.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,29 @@
import platform
import shlex
import yaml
from PIL import Image, ImageDraw, ImageFont


def generate_placeholder(text: str, path: str, background_color, width: int, height: int):
image = Image.new("RGB", (width, height), background_color)
draw = ImageDraw.Draw(image)
font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf", 72)
text_bbox = draw.textbbox((0, 0), text, font=font)
text_width = text_bbox[2] - text_bbox[0]
text_height = text_bbox[3] - text_bbox[1]
text_x = (width - text_width) / 2
text_y = (height - text_height) / 2
draw.text((text_x, text_y), text, fill=(255,255,255), font=font)

# Add some hint how to replace the image.
small_font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf", 16)
placeholder_text = f'(Replace this placeholder image at {path})'
text_bbox = draw.textbbox((0, 0), placeholder_text, font=small_font)
text_width = text_bbox[2] - text_bbox[0]
text_x = (width - text_width) / 2
text_y = text_y + 1.4*text_height
draw.text((text_x, text_y), placeholder_text, fill=(195,196,199), font=small_font)
image.save(path)


def download_image(image_type: str, entity_id: str, file: dict):
Expand All @@ -26,6 +49,7 @@ def download_image(image_type: str, entity_id: str, file: dict):

if existing_etag != etag:
print(f'Downloading and converting {image_type} for entity with ID {entity_id}...')
os.makedirs(os.path.dirname(temp_file), exist_ok=True)
with open(temp_file, 'wb') as f:
f.write(requests.get(f'{api_url}/{href}', auth=(user, passwd)).content)

Expand All @@ -39,6 +63,11 @@ def download_image(image_type: str, entity_id: str, file: dict):
host = platform.node()
host_bg_color = 'black'

idle_image = 'domlogo-files/photos/idle.png'
if not os.path.isfile(idle_image):
os.makedirs(os.path.dirname(idle_image), exist_ok=True)
generate_placeholder('judgehost idle', idle_image, (10,75,120), 1024, 768)

config_file = 'domlogo-files/config.yaml'
if os.path.isfile(config_file) and os.access(config_file, os.R_OK):
with open(config_file, 'r') as f:
Expand Down Expand Up @@ -172,7 +201,7 @@ def download_image(image_type: str, entity_id: str, file: dict):
last_seen = (submission_id, judging_id, team_id)
new_filename = f'domlogo-files/photos/{team_id}.png'
if not os.path.isfile(new_filename):
new_filename = f'domlogo-files/photos/crew.png'
generate_placeholder(f'team {team_id}', new_filename, (137,28,28), 1024, 768)
team_image.update(filename=new_filename)
metadata_text.update(f's{submission_id} / {submission_data["problem_id"]} / {submission_data["language_id"]}')
results_text.update('Busy compiling.')
Expand Down