from envserv import EnvBase

class MyEnv(EnvBase):
    __envfile__ = '.env'

    FirstVar:str
    SecondVar:int
    ThirdVar:float

env = MyEnv()

print(env) # EnvServ(FirstVar:<class 'str'> = Hello, world!, SecondVar:<class 'int'> = 42, ThirdVar:<class 'float'> = 23.0)
print(env.FirstVar, env.SecondVar,env.ThirdVar) # Hello, world! 42 23.0
print(type(env.FirstVar), type(env.SecondVar), type(env.ThirdVar)) # <class 'str'> <class 'int'> <class 'float'>

from envserv import EnvBase

class MyEnv(EnvBase):
    __envfile__ = '.env'

    FirstVar:str

env = MyEnv()

env.FirstVar = "New variable value" # Also changes a variable in the .env file

print(env) # EnvServ(FirstVar:<class 'str'> = New variable value)
print(env.FirstVar) # New variable value
print(type(env.FirstVar)) # <class 'str'>

from envserv import EnvBase, variable

class MyEnv(EnvBase):
    __envfile__ = '.env'
    
    pass_:int = variable(alias='pass',overwrite=False)

env = MyEnv()

print(env) # EnvServ(pass_:<class 'int'> = 100)
print(env.pass_) # 100
print(type(env.pass_)) # <class 'int'>

env.pass_ = 1 # envserv.errors.EnvVariableError: Error overwriting variable pass_: It cannot be overwritten