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

example below). Most applications can expect failed attempts to open the database (common case: prompting the user for passphrase), so the database can’t be hardwired into the Meta of model classes. To

example below). • Most applications can expect failed attempts to open the database (common case: prompting the user for passphrase), so the database can’t be hardwired into the Meta of model classes. To

example below). Most applications can expect failed attempts to open the database (common case: prompting the user for passphrase), so the database can’t be hardwired into the Meta of model classes. To

example below). Most applications can expect failed attempts to open the database (common case: prompting the user for passphrase), so the database can’t be hardwired into the Meta of model classes. To