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installed.
Parameters
-----------
name : string
An application name used to install via setuptools.
default : string
A default returning value used when the named application is not
installed yet
allow_ambiguous : boolean
``True`` for allowing ambiguous version information.
Turn this argument to ``False`` if ``get_string_version`` report wrong
version.
Returns
--------
string
A version string or not found message (:attr:`default`)
Examples
--------
>>> import re
>>> v = get_string_version('app_version', allow_ambiguous=True)
>>> re.match('^\d+.\d+\.\d+', v) is not None
True
>>> get_string_version('distribution_which_is_not_installed')
'Please install this application with setup.py'
""""""
# get filename of callar
callar = inspect.getouterframes(inspect.currentframe())[1][1]
if callar.startswith('<doctest'):
# called from doctest, find written script file
callar = inspect.getouterframes(inspect.currentframe())[-1][1]
# get version info from distribution
try:
di = get_distribution(name)
installed_directory = os.path.join(di.location, name)
if not callar.startswith(installed_directory) and not allow_ambiguous:
# not installed, but there is another version that *is*
raise DistributionNotFound
except DistributionNotFound:
return default
else:
return di.version"
3998,"def get_tuple_version(name,
default=DEFAULT_TUPLE_NOT_FOUND,
allow_ambiguous=True):
""""""
Get tuple version from installed package information for easy handling.
It will return :attr:`default` value when the named package is not
installed.
Parameters
-----------
name : string
An application name used to install via setuptools.
default : tuple
A default returning value used when the named application is not
installed yet
allow_ambiguous : boolean
``True`` for allowing ambiguous version information.
Returns
--------
string
A version tuple
Examples
--------
>>> v = get_tuple_version('app_version', allow_ambiguous=True)
>>> len(v) >= 3
True
>>> isinstance(v[0], int)
True
>>> isinstance(v[1], int)
True
>>> isinstance(v[2], int)
True
>>> get_tuple_version('distribution_which_is_not_installed')
(0, 0, 0)
""""""
def _prefer_int(x):
try:
return int(x)
except ValueError:
return x
version = get_string_version(name, default=default,
allow_ambiguous=allow_ambiguous)
# convert string version to tuple version
# prefer integer for easy handling
if isinstance(version, tuple):
# not found
return version
return tuple(map(_prefer_int, version.split('.')))"
3999,"def get_versions(name,
default_string=DEFAULT_STRING_NOT_FOUND,
default_tuple=DEFAULT_TUPLE_NOT_FOUND,
allow_ambiguous=True):
""""""