diff options
| -rw-r--r-- | pym/_emerge/Package.py | 67 |
1 files changed, 57 insertions, 10 deletions
diff --git a/pym/_emerge/Package.py b/pym/_emerge/Package.py index a93264c13..d048b2ace 100644 --- a/pym/_emerge/Package.py +++ b/pym/_emerge/Package.py @@ -314,10 +314,30 @@ class Package(Task): class _use_class(object): - __slots__ = ("__weakref__", "enabled") - - def __init__(self, use): - self.enabled = frozenset(use) + __slots__ = ("enabled", "_force", "_pkg", "_mask") + + def __init__(self, pkg, use_str): + self._pkg = pkg + self._force = None + self._mask = None + self.enabled = frozenset(use_str.split()) + + def _init_force_mask(self): + pkgsettings = self._pkg._get_pkgsettings() + self._force = pkgsettings.useforce + self._mask = pkgsettings.usemask + + @property + def force(self): + if self._force is None: + self._init_force_mask() + return self._force + + @property + def mask(self): + if self._mask is None: + self._init_force_mask() + return self._mask @property def repo(self): @@ -326,9 +346,15 @@ class Package(Task): @property def use(self): if self._use is None: - self._use = self._use_class(self.metadata['USE'].split()) + self.metadata._init_use() return self._use + def _get_pkgsettings(self): + pkgsettings = self.root_config.trees[ + 'porttree'].dbapi.doebuild_settings + pkgsettings.setcpv(self) + return pkgsettings + class _iuse(object): __slots__ = ("__weakref__", "all", "enabled", "disabled", @@ -461,6 +487,31 @@ class _PackageMetadataWrapper(_PackageMetadataWrapperBase): self.update(metadata) + def _init_use(self): + if self._pkg.built: + use_str = self['USE'] + self._pkg._use = self._pkg._use_class( + self._pkg, use_str) + else: + try: + use_str = _PackageMetadataWrapperBase.__getitem__(self, 'USE') + except KeyError: + use_str = None + calculated_use = False + if not use_str: + use_str = self._pkg._get_pkgsettings()["PORTAGE_USE"] + calculated_use = True + _PackageMetadataWrapperBase.__setitem__(self, 'USE', use_str) + self._pkg._use = self._pkg._use_class( + self._pkg, use_str) + # Initialize these now, since USE access has just triggered + # setcpv, and we want to cache the result of the force/mask + # calculations that were done. + if calculated_use: + self._pkg._use._init_force_mask() + + return use_str + def __getitem__(self, k): v = _PackageMetadataWrapperBase.__getitem__(self, k) if k in self._use_conditional_keys: @@ -478,11 +529,7 @@ class _PackageMetadataWrapper(_PackageMetadataWrapperBase): elif k == 'USE' and not self._pkg.built: if not v: # This is lazy because it's expensive. - pkgsettings = self._pkg.root_config.trees[ - 'porttree'].dbapi.doebuild_settings - pkgsettings.setcpv(self._pkg) - v = pkgsettings["PORTAGE_USE"] - _PackageMetadataWrapperBase.__setitem__(self, 'USE', v) + v = self._init_use() return v |