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Format a string using names in the current scope.

Project Description

ScopeFormatter allows Python’s string formatting to be used with names drawn from the current scope, similar to the variable interpolation found in languages such as Ruby and Perl.

Examples

>>> from scopeformatter import F
>>> greeting = 'Hello'
>>> def greet(name):
...     return F('{greeting}, {name}!')
>>> greet('world')
'Hello, world!'

Positional and keyword arguments are accepted:

>>> F('{greeting} {0} times, {name}!', len(greeting), name='world')
'Hello 5 times, world!'

Requirements

The stack inspection requires a Python VM that provides sys._getframe(), such as CPython.

Limitations

Non-global names from enclosing scopes will not be found unless they are referenced in the local scope.

>>> def outer():
...     non_local = 'non-local'
...     def inner():
...         return F('{non_local} is not referenced locally')
...     return inner()
>>> outer()
Traceback (most recent call last):
    ...
KeyError: 'non_local'
>>> def outer():
...     non_local = 'non-local'
...     def inner():
...         non_local
...         return F('{non_local} is referenced locally')
...     return inner()
>>> outer()
'non-local is referenced locally'

History

1.0.3 – 2009 Oct 22

  • Added history to the project page.
  • Added additional documentation files.

1.0.2 – 2009 Oct 22

  • Reorganized metadata.
  • Removed dependencies on setuptools and nose.

1.0.1 – 2009 Oct 3

  • Made minor additions to metadata.

1.0 – 2009 Sept 25

  • Initial release.
Release History

Release History

This version
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1.0.3

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1.0.2

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1.0.1

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1.0

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
ScopeFormatter-1.0.3.tar.gz (3.1 kB) Copy SHA256 Checksum SHA256 Source Oct 23, 2009

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