53 lines
1.3 KiB
Markdown
53 lines
1.3 KiB
Markdown
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### `regex_match(value: Any, regex: str) -> bool`
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Check if `value` matches Regular Expression `regex`.
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Example:
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```python
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return regex_match(request.user.username, '.*admin.*')
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```
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### `regex_replace(value: Any, regex: str, repl: str) -> str`
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Replace anything matching `regex` within `value` with `repl` and return it.
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Example:
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```python
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user_email_local = regex_replace(request.user.email, '(.+)@.+', '')
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```
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### `ak_is_group_member(user: User, **group_filters) -> bool`
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Check if `user` is member of a group matching `**group_filters`.
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Example:
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```python
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return ak_is_group_member(request.user, name="test_group")
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```
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### `ak_user_by(**filters) -> Optional[User]`
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Fetch a user matching `**filters`.
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Returns "None" if no user was found, otherwise [User](/docs/expressions/reference/user-object)
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Example:
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```python
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other_user = ak_user_by(username="other_user")
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```
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## Comparing IP Addresses
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To compare IP Addresses or check if an IP Address is within a given subnet, you can use the functions `ip_address('192.0.2.1')` and `ip_network('192.0.2.0/24')`. With these objects you can do [arithmetic operations](https://docs.python.org/3/library/ipaddress.html#operators).
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You can also check if an IP Address is within a subnet by writing the following:
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```python
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ip_address('192.0.2.1') in ip_network('192.0.2.0/24')
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# evaluates to True
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```
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