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# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
"""This module implements the classes necessary to generate TCL
non-hierarchical modules.
"""
import os.path
import string
import llnl.util.tty as tty
import spack.config
import spack.tengine as tengine
from .common import BaseConfiguration, BaseFileLayout
from .common import BaseContext, BaseModuleFileWriter
#: TCL specific part of the configuration
configuration = spack.config.get('modules:tcl', {})
#: Caches the configuration {spec_hash: configuration}
configuration_registry = {}
def make_configuration(spec):
"""Returns the tcl configuration for spec"""
key = spec.dag_hash()
try:
return configuration_registry[key]
except KeyError:
return configuration_registry.setdefault(key, TclConfiguration(spec))
def make_layout(spec):
"""Returns the layout information for spec """
conf = make_configuration(spec)
return TclFileLayout(conf)
def make_context(spec):
"""Returns the context information for spec"""
conf = make_configuration(spec)
return TclContext(conf)
class TclConfiguration(BaseConfiguration):
"""Configuration class for tcl module files."""
@property
def conflicts(self):
"""Conflicts for this module file"""
return self.conf.get('conflict', [])
class TclFileLayout(BaseFileLayout):
"""File layout for tcl module files."""
class TclContext(BaseContext):
"""Context class for tcl module files."""
@tengine.context_property
def prerequisites(self):
"""List of modules that needs to be loaded automatically."""
return self._create_module_list_of('specs_to_prereq')
@tengine.context_property
def conflicts(self):
"""List of conflicts for the tcl module file."""
fmts = []
naming_scheme = self.conf.naming_scheme
f = string.Formatter()
for item in self.conf.conflicts:
if len([x for x in f.parse(item)]) > 1:
for naming_dir, conflict_dir in zip(
naming_scheme.split('/'), item.split('/')
):
if naming_dir != conflict_dir:
message = 'conflict scheme does not match naming '
message += 'scheme [{spec}]\n\n'
message += 'naming scheme : "{nformat}"\n'
message += 'conflict scheme : "{cformat}"\n\n'
message += '** You may want to check your '
message += '`modules.yaml` configuration file **\n'
tty.error(message.format(spec=self.spec,
nformat=naming_scheme,
cformat=item))
raise SystemExit('Module generation aborted.')
item = self.spec.format(item)
fmts.append(item)
# Substitute spec tokens if present
return [self.spec.format(x) for x in fmts]
class TclModulefileWriter(BaseModuleFileWriter):
"""Writer class for tcl module files."""
default_template = os.path.join('modules', 'modulefile.tcl')
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