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39 lines
1.1 KiB
39 lines
1.1 KiB
from io import BytesIO |
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import qrcode |
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from flask import send_file, flash, abort |
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from flask_login import current_user |
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from app.models import Game |
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def generate_qr_code(url): |
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qr = qrcode.QRCode( |
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version=None, |
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error_correction=qrcode.constants.ERROR_CORRECT_M, |
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box_size=30, |
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border=4, |
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) |
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qr.add_data(url) |
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qr.make(fit=True) |
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return qr.make_image(fill_color='black', back_color='white') |
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def serve_pil_image(pil_img): |
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# Source: https://stackoverflow.com/questions/7877282/how-to-send-image-generated-by-pil-to-browser |
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img_io = BytesIO() |
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pil_img.save(img_io, 'PNG', quality=70) |
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img_io.seek(0) |
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return send_file(img_io, mimetype='image/png') |
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def flash_errors(form): |
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"""Flashes form errors""" |
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print('a') |
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for field, errors in form.errors.items(): |
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for error in errors: |
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flash(u"Error in the %s field - %s" % ( |
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getattr(form, field).label.text, |
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error |
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), 'error') |
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def get_game_if_owner(game_name): |
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game = Game.query.filter_by(name=game_name).first_or_404() |
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if not game.owned_by(current_user): |
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abort(403) |
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return game
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