mpeltriaux
ac17d953c6
* adds public report rendering for intervention model * adds new routes for report * adds new public_base.html and public_navbar.html * adds lookup table for zoom levels for lanis link generating * moves qr code generating into utils/generators.py
52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
"""
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Author: Michel Peltriaux
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Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
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Contact: michel.peltriaux@sgdnord.rlp.de
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Created on: 09.11.20
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"""
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import random
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import string
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import qrcode
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import qrcode.image.svg
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from io import BytesIO
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def generate_random_string(length: int, use_numbers: bool = False, use_letters_lc: bool = False, use_letters_uc: bool = False) -> str:
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"""
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Generates a random string of variable length
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"""
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elements = []
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if use_numbers:
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elements.append(string.digits)
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if use_letters_lc:
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elements.append(string.ascii_lowercase)
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if use_letters_uc:
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elements.append(string.ascii_uppercase)
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elements = "".join(elements)
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ret_val = "".join(random.choice(elements) for i in range(length))
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return ret_val
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def generate_qr_code(content: str, size: int = 20) -> str:
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""" Generates a qr code from given content
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Args:
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content (str): The content for the qr code
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size (int): The image size
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Returns:
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qrcode_svg (str): The qr code as svg
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"""
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qrcode_factory = qrcode.image.svg.SvgImage
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qrcode_img = qrcode.make(
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content,
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image_factory=qrcode_factory,
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box_size=size
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)
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stream = BytesIO()
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qrcode_img.save(stream)
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return stream.getvalue().decode()
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