Miss extension methods from other languages? Python can have those too.
## Installation
```shell
pip install extensified==0.3.0
```
## Usage
```python
from dataclasses import dataclass
from datetime import datetime
from extensified import extension_on
@dataclass
class Customer:
name: str
email: str
created_at: datetime = datetime.now()
@extension_on(Customer)
class CustomerStringReprExtension:
@property
def rfc5322_email(self) -> str:
return f'{self.name} <{self.email}>'
@property
def ldap_dn(self) -> str:
email_domain = self.email.split('@')[1]
return f'cn={self.name},ou=Users,dc={email_domain.replace(".", ",dc=")}'
@property
def vcard_name(self) -> str:
surname = self.name.split()[-1]
given_names = ' '.join(self.name.split()[:-1])
return f'FN:{self.name}\nN:{surname};{given_names};;;'
customer = Customer("John Doe", "john@example.com")
print(customer.rfc5322_email)
print(customer.ldap_dn)
print(customer.vcard_name)
```
## Limitations
- Make sure that extension class is imported before its methods are used (i.e. import it in your init code).
- `super()` can't be used in an extension class for now.
- Type checkers won't understand what's going on and will complain about attributes missing.
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"description": "Miss extension methods from other languages? Python can have those too.\n\n## Installation\n\n```shell\npip install extensified==0.3.0\n```\n\n## Usage\n\n```python\nfrom dataclasses import dataclass\nfrom datetime import datetime\n\nfrom extensified import extension_on\n\n\n@dataclass\nclass Customer:\n\n name: str\n email: str\n created_at: datetime = datetime.now()\n\n\n@extension_on(Customer)\nclass CustomerStringReprExtension:\n\n @property\n def rfc5322_email(self) -> str:\n return f'{self.name} <{self.email}>'\n\n @property\n def ldap_dn(self) -> str:\n email_domain = self.email.split('@')[1]\n return f'cn={self.name},ou=Users,dc={email_domain.replace(\".\", \",dc=\")}'\n\n @property\n def vcard_name(self) -> str:\n surname = self.name.split()[-1]\n given_names = ' '.join(self.name.split()[:-1])\n return f'FN:{self.name}\\nN:{surname};{given_names};;;'\n\n\ncustomer = Customer(\"John Doe\", \"john@example.com\")\nprint(customer.rfc5322_email)\nprint(customer.ldap_dn)\nprint(customer.vcard_name)\n```\n\n## Limitations\n\n- Make sure that extension class is imported before its methods are used (i.e. import it in your init code).\n- `super()` can't be used in an extension class for now.\n- Type checkers won't understand what's going on and will complain about attributes missing.\n\n",
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