56 lines
1.4 KiB
Python
56 lines
1.4 KiB
Python
# ContentDB
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# Copyright (C) 2018-21 rubenwardy
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import re
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import secrets
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from .flask import *
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from .models import *
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from .user import *
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YESES = ["yes", "true", "1", "on"]
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def get_toplevel_tags():
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return Tag.query.filter_by(is_toplevel=True).order_by(db.asc(Tag.id)).all()
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def is_username_valid(username):
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return username is not None and len(username) >= 2 and re.match(r"^[A-Za-z0-9._-]*$", username)
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def isYes(val):
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return val and val.lower() in YESES
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def isNo(val):
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return val and not isYes(val)
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def nonEmptyOrNone(str):
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if str is None or str == "":
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return None
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return str
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def shouldReturnJson():
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return "application/json" in request.accept_mimetypes and \
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not "text/html" in request.accept_mimetypes
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def randomString(n):
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return secrets.token_hex(int(n / 2))
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