def compare_versions_with_python_apt(version1, operator, version2):
"""
Compare Debian package versions using the python-apt_ binding. Compatible
with newer versions of python-apt_ (:py:func:`apt_pkg.version_compare()`)
and older versions (:py:func:`apt.VersionCompare()`). Raises
:py:exc:`NotImplementedError` if python-apt_ is not available (neither of
the mentioned functions can be imported).
:param version1: The version on the left side of the comparison (a string).
:param operator: The operator to use in the comparison (a string).
:param version2: The version on the right side of the comparison (a string).
:returns: ``True`` if the comparison succeeds, ``False`` if it fails.
"""
if not have_python_apt:
raise NotImplementedError("The python-apt binding is not installed!"
" (or at least the import failed)")
else:
result = apt_version_compare(version1, version2)
return ((operator == '<<' and result < 0) or
(operator == '>>' and result > 0) or
(operator in ('<', '<=') and result <= 0) or
(operator in ('>', '>=') and result >= 0) or
(operator == '=' and result == 0))
def compare_versions_with_python_apt(version1, operator, version2):
"""
Compare Debian package versions using the python-apt_ binding. Compatible
with newer versions of python-apt_ (:py:func:`apt_pkg.version_compare()`)
and older versions (:py:func:`apt.VersionCompare()`). Raises
:py:exc:`NotImplementedError` if python-apt_ is not available (neither of
the mentioned functions can be imported).
:param version1: The version on the left side of the comparison (a string).
:param operator: The operator to use in the comparison (a string).
:param version2: The version on the right side of the comparison (a string).
:returns: ``True`` if the comparison succeeds, ``False`` if it fails.
"""
if not have_python_apt:
raise NotImplementedError("The python-apt binding is not installed!"
" (or at least the import failed)")
else:
result = apt_version_compare(version1, version2)
return ((operator == '<<' and result < 0)
or (operator == '>>' and result > 0)
or (operator in ('<', '<=') and result <= 0)
or (operator in ('>', '>=') and result >= 0)
or (operator == '=' and result == 0))
def compare_versions_with_python_apt(version1, operator, version2):
"""
Compare Debian package versions using the python-apt_ binding.
:param version1: The version on the left side of the comparison (a string).
:param operator: The operator to use in the comparison (a string).
:param version2: The version on the right side of the comparison (a string).
:returns: :data:`True` if the comparison succeeds, :data:`False` if it fails.
:raises: :exc:`~exceptions.NotImplementedError` if python-apt_ is not
available (neither of the functions mentioned below can be
imported).
This function is compatible with newer versions of python-apt_
(:func:`apt_pkg.version_compare()`) and older versions
(:func:`apt.VersionCompare()`).
"""
if not have_python_apt:
raise NotImplementedError()
result = apt_version_compare(version1, version2)
return ((operator == '<<' and result < 0) or
(operator == '>>' and result > 0) or
(operator in ('<', '<=') and result <= 0) or
(operator in ('>', '>=') and result >= 0) or
(operator == '=' and result == 0))
def compare_versions_with_python_apt(version1, operator, version2):
"""
Compare Debian package versions using the python-apt_ binding.
:param version1: The version on the left side of the comparison (a string).
:param operator: The operator to use in the comparison (a string).
:param version2: The version on the right side of the comparison (a string).
:returns: :data:`True` if the comparison succeeds, :data:`False` if it fails.
:raises: :exc:`~exceptions.NotImplementedError` if python-apt_ is not
available (neither of the functions mentioned below can be
imported).
This function is compatible with newer versions of python-apt_
(:func:`apt_pkg.version_compare()`) and older versions
(:func:`apt.VersionCompare()`).
"""
if not have_python_apt:
raise NotImplementedError()
result = apt_version_compare(version1, version2)
return ((operator == '<<' and result < 0)
or (operator == '>>' and result > 0)
or (operator in ('<', '<=') and result <= 0)
or (operator in ('>', '>=') and result >= 0)
or (operator == '=' and result == 0))
