diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/spack/spack/concretize.py | 174 |
1 files changed, 103 insertions, 71 deletions
diff --git a/lib/spack/spack/concretize.py b/lib/spack/spack/concretize.py index 622a7efde5..5180f3cf04 100644 --- a/lib/spack/spack/concretize.py +++ b/lib/spack/spack/concretize.py @@ -40,12 +40,12 @@ import spack.architecture import spack.error from spack.version import * from functools import partial -from spec import DependencyMap from itertools import chain from spack.config import * class DefaultConcretizer(object): + """This class doesn't have any state, it just provides some methods for concretization. You can subclass it to override just some of the default concretization strategies, or you can override all of them. @@ -61,14 +61,17 @@ class DefaultConcretizer(object): if not providers: raise UnsatisfiableProviderSpecError(providers[0], spec) spec_w_preferred_providers = find_spec( - spec, lambda(x): spack.pkgsort.spec_has_preferred_provider(x.name, spec.name)) + spec, lambda x: spack.pkgsort.spec_has_preferred_provider(x.name, spec.name)) # NOQA: ignore=E501 if not spec_w_preferred_providers: spec_w_preferred_providers = spec - provider_cmp = partial(spack.pkgsort.provider_compare, spec_w_preferred_providers.name, spec.name) + provider_cmp = partial(spack.pkgsort.provider_compare, + spec_w_preferred_providers.name, + spec.name) candidates = sorted(providers, cmp=provider_cmp) - # For each candidate package, if it has externals, add those to the usable list. - # if it's not buildable, then *only* add the externals. + # For each candidate package, if it has externals, add those + # to the usable list. if it's not buildable, then *only* add + # the externals. usable = [] for cspec in candidates: if is_spec_buildable(cspec): @@ -85,7 +88,7 @@ class DefaultConcretizer(object): def cmp_externals(a, b): if a.name != b.name and (not a.external or a.external_module and - not b.external and b.external_module): + not b.external and b.external_module): # We're choosing between different providers, so # maintain order from provider sort return candidates.index(a) - candidates.index(b) @@ -114,26 +117,26 @@ class DefaultConcretizer(object): # Find the nearest spec in the dag that has a compiler. We'll # use that spec to calibrate compiler compatibility. - abi_exemplar = find_spec(spec, lambda(x): x.compiler) + abi_exemplar = find_spec(spec, lambda x: x.compiler) if not abi_exemplar: abi_exemplar = spec.root # Make a list including ABI compatibility of specs with the exemplar. strict = [spack.abi.compatible(c, abi_exemplar) for c in candidates] - loose = [spack.abi.compatible(c, abi_exemplar, loose=True) for c in candidates] + loose = [spack.abi.compatible(c, abi_exemplar, loose=True) + for c in candidates] keys = zip(strict, loose, candidates) # Sort candidates from most to least compatibility. # Note: # 1. We reverse because True > False. # 2. Sort is stable, so c's keep their order. - keys.sort(key=lambda k:k[:2], reverse=True) + keys.sort(key=lambda k: k[:2], reverse=True) # Pull the candidates back out and return them in order - candidates = [c for s,l,c in keys] + candidates = [c for s, l, c in keys] return candidates - def concretize_version(self, spec): """If the spec is already concrete, return. Otherwise take the preferred version from spackconfig, and default to the package's @@ -167,7 +170,8 @@ class DefaultConcretizer(object): if valid_versions: # Disregard @develop and take the next valid version - if ver(valid_versions[0]) == ver('develop') and len(valid_versions) > 1: + if ver(valid_versions[0]) == ver('develop') and \ + len(valid_versions) > 1: spec.versions = ver([valid_versions[1]]) else: spec.versions = ver([valid_versions[0]]) @@ -193,40 +197,45 @@ class DefaultConcretizer(object): return True # Things changed def _concretize_operating_system(self, spec): - platform = spec.architecture.platform if spec.architecture.platform_os is not None and isinstance( - spec.architecture.platform_os,spack.architecture.OperatingSystem): + spec.architecture.platform_os, + spack.architecture.OperatingSystem): return False if spec.root.architecture and spec.root.architecture.platform_os: - if isinstance(spec.root.architecture.platform_os,spack.architecture.OperatingSystem): - spec.architecture.platform_os = spec.root.architecture.platform_os + if isinstance(spec.root.architecture.platform_os, + spack.architecture.OperatingSystem): + spec.architecture.platform_os = \ + spec.root.architecture.platform_os else: - spec.architecture.platform_os = spec.architecture.platform.operating_system('default_os') - return True #changed + spec.architecture.platform_os = \ + spec.architecture.platform.operating_system('default_os') + return True # changed def _concretize_target(self, spec): - platform = spec.architecture.platform if spec.architecture.target is not None and isinstance( spec.architecture.target, spack.architecture.Target): return False if spec.root.architecture and spec.root.architecture.target: - if isinstance(spec.root.architecture.target,spack.architecture.Target): + if isinstance(spec.root.architecture.target, + spack.architecture.Target): spec.architecture.target = spec.root.architecture.target else: - spec.architecture.target = spec.architecture.platform.target('default_target') - return True #changed + spec.architecture.target = spec.architecture.platform.target( + 'default_target') + return True # changed def _concretize_platform(self, spec): if spec.architecture.platform is not None and isinstance( spec.architecture.platform, spack.architecture.Platform): return False if spec.root.architecture and spec.root.architecture.platform: - if isinstance(spec.root.architecture.platform,spack.architecture.Platform): + if isinstance(spec.root.architecture.platform, + spack.architecture.Platform): spec.architecture.platform = spec.root.architecture.platform else: spec.architecture.platform = spack.architecture.platform() - return True #changed? + return True # changed? def concretize_architecture(self, spec): """If the spec is empty provide the defaults of the platform. If the @@ -245,30 +254,29 @@ class DefaultConcretizer(object): return True # Concretize the operating_system and target based of the spec - ret = any((self._concretize_platform(spec), - self._concretize_operating_system(spec), - self._concretize_target(spec))) + ret = any((self._concretize_platform(spec), + self._concretize_operating_system(spec), + self._concretize_target(spec))) return ret - - def concretize_variants(self, spec): """If the spec already has variants filled in, return. Otherwise, add the user preferences from packages.yaml or the default variants from the package specification. """ changed = False - preferred_variants = spack.pkgsort.spec_preferred_variants(spec.package_class.name) + preferred_variants = spack.pkgsort.spec_preferred_variants( + spec.package_class.name) for name, variant in spec.package_class.variants.items(): if name not in spec.variants: changed = True if name in preferred_variants: spec.variants[name] = preferred_variants.get(name) else: - spec.variants[name] = spack.spec.VariantSpec(name, variant.default) + spec.variants[name] = \ + spack.spec.VariantSpec(name, variant.default) return changed - def concretize_compiler(self, spec): """If the spec already has a compiler, we're done. If not, then take the compiler used for the nearest ancestor with a compiler @@ -283,30 +291,32 @@ class DefaultConcretizer(object): """ # Pass on concretizing the compiler if the target is not yet determined if not spec.architecture.platform_os: - #Although this usually means changed, this means awaiting other changes + # Although this usually means changed, this means awaiting other + # changes return True # Only use a matching compiler if it is of the proper style - # Takes advantage of the proper logic already existing in compiler_for_spec - # Should think whether this can be more efficient + # Takes advantage of the proper logic already existing in + # compiler_for_spec Should think whether this can be more + # efficient def _proper_compiler_style(cspec, arch): platform = arch.platform compilers = spack.compilers.compilers_for_spec(cspec, platform=platform) return filter(lambda c: c.operating_system == - arch.platform_os, compilers) - #return compilers - + arch.platform_os, compilers) + # return compilers all_compilers = spack.compilers.all_compilers() if (spec.compiler and spec.compiler.concrete and - spec.compiler in all_compilers): + spec.compiler in all_compilers): return False - #Find the another spec that has a compiler, or the root if none do - other_spec = spec if spec.compiler else find_spec(spec, lambda(x) : x.compiler) + # Find the another spec that has a compiler, or the root if none do + other_spec = spec if spec.compiler else find_spec( + spec, lambda x: x.compiler) if not other_spec: other_spec = spec.root @@ -318,9 +328,12 @@ class DefaultConcretizer(object): spec.compiler = other_compiler.copy() return True - # Filter the compilers into a sorted list based on the compiler_order from spackconfig - compiler_list = all_compilers if not other_compiler else spack.compilers.find(other_compiler) - cmp_compilers = partial(spack.pkgsort.compiler_compare, other_spec.name) + # Filter the compilers into a sorted list based on the compiler_order + # from spackconfig + compiler_list = all_compilers if not other_compiler else \ + spack.compilers.find(other_compiler) + cmp_compilers = partial( + spack.pkgsort.compiler_compare, other_spec.name) matches = sorted(compiler_list, cmp=cmp_compilers) if not matches: raise UnavailableCompilerVersionError(other_compiler) @@ -335,7 +348,6 @@ class DefaultConcretizer(object): assert(spec.compiler.concrete) return True # things changed. - def concretize_compiler_flags(self, spec): """ The compiler flags are updated to match those of the spec whose @@ -343,54 +355,66 @@ class DefaultConcretizer(object): Default specs set at the compiler level will still be added later. """ - if not spec.architecture.platform_os: - #Although this usually means changed, this means awaiting other changes + # Although this usually means changed, this means awaiting other + # changes return True ret = False for flag in spack.spec.FlagMap.valid_compiler_flags(): try: nearest = next(p for p in spec.traverse(direction='parents') - if ((p.compiler == spec.compiler and p is not spec) - and flag in p.compiler_flags)) - if not flag in spec.compiler_flags or \ - not (sorted(spec.compiler_flags[flag]) >= sorted(nearest.compiler_flags[flag])): + if ((p.compiler == spec.compiler and + p is not spec) and + flag in p.compiler_flags)) + if flag not in spec.compiler_flags or \ + not (sorted(spec.compiler_flags[flag]) >= + sorted(nearest.compiler_flags[flag])): if flag in spec.compiler_flags: - spec.compiler_flags[flag] = list(set(spec.compiler_flags[flag]) | - set(nearest.compiler_flags[flag])) + spec.compiler_flags[flag] = list( + set(spec.compiler_flags[flag]) | + set(nearest.compiler_flags[flag])) else: - spec.compiler_flags[flag] = nearest.compiler_flags[flag] + spec.compiler_flags[ + flag] = nearest.compiler_flags[flag] ret = True except StopIteration: - if (flag in spec.root.compiler_flags and ((not flag in spec.compiler_flags) or - sorted(spec.compiler_flags[flag]) != sorted(spec.root.compiler_flags[flag]))): + if (flag in spec.root.compiler_flags and + ((flag not in spec.compiler_flags) or + sorted(spec.compiler_flags[flag]) != + sorted(spec.root.compiler_flags[flag]))): if flag in spec.compiler_flags: - spec.compiler_flags[flag] = list(set(spec.compiler_flags[flag]) | - set(spec.root.compiler_flags[flag])) + spec.compiler_flags[flag] = list( + set(spec.compiler_flags[flag]) | + set(spec.root.compiler_flags[flag])) else: - spec.compiler_flags[flag] = spec.root.compiler_flags[flag] + spec.compiler_flags[ + flag] = spec.root.compiler_flags[flag] ret = True else: - if not flag in spec.compiler_flags: + if flag not in spec.compiler_flags: spec.compiler_flags[flag] = [] # Include the compiler flag defaults from the config files # This ensures that spack will detect conflicts that stem from a change # in default compiler flags. - compiler = spack.compilers.compiler_for_spec(spec.compiler, spec.architecture) + compiler = spack.compilers.compiler_for_spec( + spec.compiler, spec.architecture) for flag in compiler.flags: if flag not in spec.compiler_flags: spec.compiler_flags[flag] = compiler.flags[flag] if compiler.flags[flag] != []: ret = True else: - if ((sorted(spec.compiler_flags[flag]) != sorted(compiler.flags[flag])) and - (not set(spec.compiler_flags[flag]) >= set(compiler.flags[flag]))): + if ((sorted(spec.compiler_flags[flag]) != + sorted(compiler.flags[flag])) and + (not set(spec.compiler_flags[flag]) >= + set(compiler.flags[flag]))): ret = True - spec.compiler_flags[flag] = list(set(spec.compiler_flags[flag]) | - set(compiler.flags[flag])) + spec.compiler_flags[flag] = list( + set(spec.compiler_flags[flag]) | + set(compiler.flags[flag])) return ret @@ -401,8 +425,8 @@ def find_spec(spec, condition): # First search parents, then search children deptype = ('build', 'link') dagiter = chain( - spec.traverse(direction='parents', deptype=deptype, root=False), - spec.traverse(direction='children', deptype=deptype, root=False)) + spec.traverse(direction='parents', deptype=deptype, root=False), + spec.traverse(direction='children', deptype=deptype, root=False)) visited = set() for relative in dagiter: if condition(relative): @@ -411,8 +435,10 @@ def find_spec(spec, condition): # Then search all other relatives in the DAG *except* spec for relative in spec.root.traverse(deptypes=spack.alldeps): - if relative is spec: continue - if id(relative) in visited: continue + if relative is spec: + continue + if id(relative) in visited: + continue if condition(relative): return relative @@ -459,8 +485,10 @@ def cmp_specs(lhs, rhs): class UnavailableCompilerVersionError(spack.error.SpackError): + """Raised when there is no available compiler that satisfies a compiler spec.""" + def __init__(self, compiler_spec): super(UnavailableCompilerVersionError, self).__init__( "No available compiler version matches '%s'" % compiler_spec, @@ -468,16 +496,20 @@ class UnavailableCompilerVersionError(spack.error.SpackError): class NoValidVersionError(spack.error.SpackError): + """Raised when there is no way to have a concrete version for a particular spec.""" + def __init__(self, spec): super(NoValidVersionError, self).__init__( - "There are no valid versions for %s that match '%s'" % (spec.name, spec.versions)) + "There are no valid versions for %s that match '%s'" % (spec.name, spec.versions)) # NOQA: ignore=E501 class NoBuildError(spack.error.SpackError): + """Raised when a package is configured with the buildable option False, but no satisfactory external versions can be found""" + def __init__(self, spec): super(NoBuildError, self).__init__( - "The spec '%s' is configured as not buildable, and no matching external installs were found" % spec.name) + "The spec '%s' is configured as not buildable,and no matching external installs were found" % spec.name) # NOQA: ignore=E501 |