conventions • supports loading values from environment variables out of the box • supports for prompting of custom values • is fully nestable and composable • works the same on Python 2 and 3 • supports Arguments can do less than options. The following features are only available for options: • automatic prompting for missing input • act as flags (boolean or otherwise) • option values can be pulled from environment this message and exit. 12 Chapter 1. Documentation Click Documentation, Release 1.2.dev0 1.4.8 Prompting Sometimes you want parameters that can either be provided from the command line or if not, you

conventions • supports loading values from environment variables out of the box • supports for prompting of custom values • is fully nestable and composable • works the same in Python 2 and 3 • supports Arguments can do less than options. The following features are only available for options: • automatic prompting for missing input • act as flags (boolean or otherwise) • option values can be pulled from environment Usage: digest [OPTIONS] Options: --hash-type [md5|sha1] --help Show this message and exit. 1.5.9 Prompting In some cases, you want parameters that can be provided from the command line, but if not provided

conventions • supports loading values from environment variables out of the box • supports for prompting of custom values • is fully nestable and composable • works the same in Python 2 and 3 • supports Arguments can do less than options. The following features are only available for options: • automatic prompting for missing input • act as flags (boolean or otherwise) • option values can be pulled from environment Usage: digest [OPTIONS] Options: --hash-type [md5|sha1] --help Show this message and exit. 1.5.9 Prompting In some cases, you want parameters that can be provided from the command line, but if not provided

conventions • supports loading values from environment variables out of the box • supports for prompting of custom values • is fully nestable and composable • works the same in Python 2 and 3 • supports Arguments can do less than options. The following features are only available for options: • automatic prompting for missing input • act as flags (boolean or otherwise) • option values can be pulled from environment Usage: digest [OPTIONS] Options: --hash-type [md5|sha1] --help Show this message and exit. 1.4.8 Prompting In some cases, you want parameters that can be provided from the command line, but if not provided

conventions • supports loading values from environment variables out of the box • supports for prompting of custom values • is fully nestable and composable • works the same in Python 2 and 3 • supports Arguments can do less than options. The following features are only available for options: • automatic prompting for missing input • act as flags (boolean or otherwise) • option values can be pulled from environment Usage: digest [OPTIONS] Options: --hash-type [md5|sha1] --help Show this message and exit. 1.5.8 Prompting In some cases, you want parameters that can be provided from the command line, but if not provided

conventions • supports loading values from environment variables out of the box • supports for prompting of custom values • is fully nestable and composable • works the same in Python 2 and 3 • supports Arguments can do less than options. The following features are only available for options: • automatic prompting for missing input • act as flags (boolean or otherwise) • option values can be pulled from environment Usage: digest [OPTIONS] Options: --hash-type [md5|sha1] --help Show this message and exit. 1.5.9 Prompting In some cases, you want parameters that can be provided from the command line, but if not provided

shortcut functions Generic views Middleware How to use sessions Working with forms HTML forms Django’s role in forms Forms in Django Building a form More about Django Form classes Working with form templates query. You could also order by, say, data without any harmful effects, since that is already playing a role in the query. This behavior is the same as that noted in the queryset documentation for distinct() self).get_queryset().filter(role='A') class EditorManager(models.Manager): def get_queryset(self): return super(EditorManager, self).get_queryset().filter(role='E') class Person(models.Model):

query. You could also order by, say, data without any harmful effects, since that is already playing a role in the query. This behavior is the same as that noted in the queryset documentation for distinct() super(AuthorManager, self).get_queryset().filter(role='A') class EditorManager(models.Manager): def get_queryset(self): return super(EditorManager, self).get_queryset().filter(role='E') class Person(models.Model): Model): first_name = models.CharField(max_length=50) last_name = models.CharField(max_length=50) role = models.CharField(max_length=1, choices=(('A', _('Author')), ('E', _('Editor ˓→')))) people = models.Manager()

shortcut functions Generic views Middleware How to use sessions Working with forms HTML forms Django’s role in forms Forms in Django Building a form More about Django Form classes Working with form templates shortcut functions Generic views Middleware How to use sessions Working with forms HTML forms Django’s role in forms Forms in Django Building a form More about Django Form classes Working with form templates query. You could also order by, say, data without any harmful effects, since that is already playing a role in the query. This behavior is the same as that noted in the queryset documentation for distinct()

shortcut functions Generic views Middleware How to use sessions Working with forms HTML forms Django’s role in forms Forms in Django Building a form More about Django Form classes Working with form templates shortcut functions Generic views Middleware How to use sessions Working with forms HTML forms Django’s role in forms Forms in Django Building a form More about Django Form classes Working with form templates query. You could also order by, say, data without any harmful effects, since that is already playing a role in the query. This behavior is the same as that noted in the queryset documentation for distinct()