Separate out the condition for skipping login

[CamLamb]

The LoginView class has a get method that begins with some logic to determine if the login form should be presented to the current user. If someone wants to override this logic, they have to override the whole get method.

This PR separates the conditions into an overridable method so the get method can focus on building the login form/page.

[peppelinux]

It good look, thank you @jafacakes2011 !

Can I ask you also to increase the version here
https://github.com/IdentityPython/djangosaml2/blob/master/setup.py#L30

up to 1.5.8?
Then I'll do tests and we'll have a brand new release thank to you :-)

[peppelinux]

It good look, thank you @jafacakes2011 !

Can I ask you also to increase the version here
https://github.com/IdentityPython/djangosaml2/blob/master/setup.py#L30

up to 1.5.8?
Then I'll do tests and we'll have a brand new release thank to you :-)

[CamLamb]

Thanks @peppelinux!
I've bumped the package version as requested 😄

[CamLamb]

Hi @peppelinux, just nudging on this to see if we can get it merged 😄