Package zeroinstall :: Package injector :: Module model :: Class VersionRestriction

Class VersionRestriction

 object --+    
          |    
Restriction --+
              |
             VersionRestriction

Only select implementations with a particular version number.

Since: 0.40

Instance Methods

__init__(self, version)
x.__init__(...) initializes x; see help(type(x)) for signature

source code

bool

meets_restriction(self, impl)
Called by the solver.Solver to check whether a particular implementation is acceptable.

source code

__str__(self)
str(x)

source code

Inherited from Restriction: __repr__

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __setattr__, __sizeof__, __subclasshook__

Class Variables
Inherited from `Restriction`: `reason`

Properties
Inherited from `object`: `__class__`

Method Details

init(self, version)
(Constructor)

source code

x.__init__(...) initializes x; see help(type(x)) for signature

Parameters:

version - the required version number

Overrides: object.__init__

See Also: parse_version; use this to pre-process the version number

meets_restriction(self, impl)

source code

Called by the solver.Solver to check whether a particular implementation is acceptable.

Parameters:

impl (ZeroInstallImplementation)

Returns: bool

False if this implementation is not a possibility

Overrides: Restriction.meets_restriction

str(self)
(Informal representation operator)

source code

str(x)

Overrides: object.__str__: (inherited documentation)

Class VersionRestriction

__init__(self, version) (Constructor)

meets_restriction(self, impl)

__str__(self) (Informal representation operator)

init(self, version)
(Constructor)

str(self)
(Informal representation operator)