diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py index 87fc310b5a..59b234624c 100644 --- a/lib/spack/spack/build_environment.py +++ b/lib/spack/spack/build_environment.py @@ -3,7 +3,7 @@ build environment. All of this is set up by package.py just before install() is called. -There are two parts to the bulid environment: +There are two parts to the build environment: 1. Python build environment (i.e. install() method) @@ -13,7 +13,7 @@ the package's module scope. Ths allows package writers to call them all directly in Package.install() without writing 'self.' everywhere. No, this isn't Pythonic. Yes, it makes the code more - readable and more like the shell script from whcih someone is + readable and more like the shell script from which someone is likely porting. 2. Build execution environment @@ -27,17 +27,18 @@ Skimming this module is a nice way to get acquainted with the types of calls you can make from within the install() function. """ -import os -import sys -import shutil import multiprocessing +import os import platform -from llnl.util.filesystem import * +import shutil +import sys import spack -import spack.compilers as compilers -from spack.util.executable import Executable, which +import llnl.util.tty as tty +from llnl.util.filesystem import * +from spack.environment import EnvironmentModifications, concatenate_paths, validate from spack.util.environment import * +from spack.util.executable import Executable, which # # This can be set by the user to globally disable parallel builds. @@ -84,84 +85,88 @@ def __call__(self, *args, **kwargs): def set_compiler_environment_variables(pkg): - assert(pkg.spec.concrete) - compiler = pkg.compiler - + assert pkg.spec.concrete # Set compiler variables used by CMake and autotools - assert all(key in pkg.compiler.link_paths - for key in ('cc', 'cxx', 'f77', 'fc')) + assert all(key in pkg.compiler.link_paths for key in ('cc', 'cxx', 'f77', 'fc')) + # Populate an object with the list of environment modifications + # and return it + # TODO : add additional kwargs for better diagnostics, like requestor, ttyout, ttyerr, etc. + env = EnvironmentModifications() link_dir = spack.build_env_path - os.environ['CC'] = join_path(link_dir, pkg.compiler.link_paths['cc']) - os.environ['CXX'] = join_path(link_dir, pkg.compiler.link_paths['cxx']) - os.environ['F77'] = join_path(link_dir, pkg.compiler.link_paths['f77']) - os.environ['FC'] = join_path(link_dir, pkg.compiler.link_paths['fc']) - + env.set_env('CC', join_path(link_dir, pkg.compiler.link_paths['cc'])) + env.set_env('CXX', join_path(link_dir, pkg.compiler.link_paths['cxx'])) + env.set_env('F77', join_path(link_dir, pkg.compiler.link_paths['f77'])) + env.set_env('FC', join_path(link_dir, pkg.compiler.link_paths['fc'])) # Set SPACK compiler variables so that our wrapper knows what to call + compiler = pkg.compiler if compiler.cc: - os.environ['SPACK_CC'] = compiler.cc + env.set_env('SPACK_CC', compiler.cc) if compiler.cxx: - os.environ['SPACK_CXX'] = compiler.cxx + env.set_env('SPACK_CXX', compiler.cxx) if compiler.f77: - os.environ['SPACK_F77'] = compiler.f77 + env.set_env('SPACK_F77', compiler.f77) if compiler.fc: - os.environ['SPACK_FC'] = compiler.fc + env.set_env('SPACK_FC', compiler.fc) - os.environ['SPACK_COMPILER_SPEC'] = str(pkg.spec.compiler) + env.set_env('SPACK_COMPILER_SPEC', str(pkg.spec.compiler)) + return env def set_build_environment_variables(pkg): - """This ensures a clean install environment when we build packages. + """ + This ensures a clean install environment when we build packages """ # Add spack build environment path with compiler wrappers first in # the path. We add both spack.env_path, which includes default # wrappers (cc, c++, f77, f90), AND a subdirectory containing # compiler-specific symlinks. The latter ensures that builds that # are sensitive to the *name* of the compiler see the right name - # when we're building wtih the wrappers. + # when we're building with the wrappers. # # Conflicts on case-insensitive systems (like "CC" and "cc") are # handled by putting one in the /case-insensitive # directory. Add that to the path too. env_paths = [] - def add_env_path(path): - env_paths.append(path) - ci = join_path(path, 'case-insensitive') - if os.path.isdir(ci): env_paths.append(ci) - add_env_path(spack.build_env_path) - add_env_path(join_path(spack.build_env_path, pkg.compiler.name)) + for item in [spack.build_env_path, join_path(spack.build_env_path, pkg.compiler.name)]: + env_paths.append(item) + ci = join_path(item, 'case-insensitive') + if os.path.isdir(ci): + env_paths.append(ci) - path_put_first("PATH", env_paths) - path_set(SPACK_ENV_PATH, env_paths) + env = EnvironmentModifications() + for item in reversed(env_paths): + env.prepend_path('PATH', item) + env.set_env(SPACK_ENV_PATH, concatenate_paths(env_paths)) - # Prefixes of all of the package's dependencies go in - # SPACK_DEPENDENCIES + # Prefixes of all of the package's dependencies go in SPACK_DEPENDENCIES dep_prefixes = [d.prefix for d in pkg.spec.traverse(root=False)] - path_set(SPACK_DEPENDENCIES, dep_prefixes) + env.set_env(SPACK_DEPENDENCIES, concatenate_paths(dep_prefixes)) + env.set_env('CMAKE_PREFIX_PATH', concatenate_paths(dep_prefixes)) # Add dependencies to CMAKE_PREFIX_PATH # Install prefix - os.environ[SPACK_PREFIX] = pkg.prefix + env.set_env(SPACK_PREFIX, pkg.prefix) # Install root prefix - os.environ[SPACK_INSTALL] = spack.install_path + env.set_env(SPACK_INSTALL, spack.install_path) # Remove these vars from the environment during build because they # can affect how some packages find libraries. We want to make # sure that builds never pull in unintended external dependencies. - pop_keys(os.environ, "LD_LIBRARY_PATH", "LD_RUN_PATH", "DYLD_LIBRARY_PATH") + env.unset_env('LD_LIBRARY_PATH') + env.unset_env('LD_RUN_PATH') + env.unset_env('DYLD_LIBRARY_PATH') # Add bin directories from dependencies to the PATH for the build. - bin_dirs = ['%s/bin' % prefix for prefix in dep_prefixes] - path_put_first('PATH', [bin for bin in bin_dirs if os.path.isdir(bin)]) + bin_dirs = reversed(filter(os.path.isdir, ['%s/bin' % prefix for prefix in dep_prefixes])) + for item in bin_dirs: + env.prepend_path('PATH', item) # Working directory for the spack command itself, for debug logs. if spack.debug: - os.environ[SPACK_DEBUG] = "TRUE" - os.environ[SPACK_SHORT_SPEC] = pkg.spec.short_spec - os.environ[SPACK_DEBUG_LOG_DIR] = spack.spack_working_dir - - # Add dependencies to CMAKE_PREFIX_PATH - path_set("CMAKE_PREFIX_PATH", dep_prefixes) + env.set_env(SPACK_DEBUG, 'TRUE') + env.set_env(SPACK_SHORT_SPEC, pkg.spec.short_spec) + env.set_env(SPACK_DEBUG_LOG_DIR, spack.spack_working_dir) # Add any pkgconfig directories to PKG_CONFIG_PATH pkg_config_dirs = [] @@ -170,7 +175,9 @@ def add_env_path(path): pcdir = join_path(p, libdir, 'pkgconfig') if os.path.isdir(pcdir): pkg_config_dirs.append(pcdir) - path_set("PKG_CONFIG_PATH", pkg_config_dirs) + env.set_env('PKG_CONFIG_PATH', concatenate_paths(pkg_config_dirs)) + + return env def set_module_variables_for_package(pkg, m): @@ -264,9 +271,9 @@ def parent_class_modules(cls): def setup_package(pkg): """Execute all environment setup routines.""" - set_compiler_environment_variables(pkg) - set_build_environment_variables(pkg) - + env = EnvironmentModifications() + env.extend(set_compiler_environment_variables(pkg)) + env.extend(set_build_environment_variables(pkg)) # If a user makes their own package repo, e.g. # spack.repos.mystuff.libelf.Libelf, and they inherit from # an existing class like spack.repos.original.libelf.Libelf, @@ -276,10 +283,14 @@ def setup_package(pkg): for mod in modules: set_module_variables_for_package(pkg, mod) - # Allow dependencies to set up environment as well. - for dep_spec in pkg.spec.traverse(root=False): - dep_spec.package.setup_dependent_environment( - pkg.module, dep_spec, pkg.spec) + # Allow dependencies to modify the module + for dependency_spec in pkg.spec.traverse(root=False): + dependency_spec.package.modify_module(pkg.module, dependency_spec, pkg.spec) + # Allow dependencies to set up environment as well + for dependency_spec in pkg.spec.traverse(root=False): + dependency_spec.package.setup_dependent_environment(env, pkg.spec) + validate(env, tty.warn) + env.apply_modifications() def fork(pkg, function): @@ -296,23 +307,23 @@ def child_fun(): # do stuff build_env.fork(pkg, child_fun) - Forked processes are run with the build environemnt set up by + Forked processes are run with the build environment set up by spack.build_environment. This allows package authors to have - full control over the environment, etc. without offecting + full control over the environment, etc. without affecting other builds that might be executed in the same spack call. - If something goes wrong, the child process is expected toprint + If something goes wrong, the child process is expected to print the error and the parent process will exit with error as well. If things go well, the child exits and the parent carries on. """ try: pid = os.fork() - except OSError, e: + except OSError as e: raise InstallError("Unable to fork build process: %s" % e) if pid == 0: - # Give the child process the package's build environemnt. + # Give the child process the package's build environment. setup_package(pkg) try: @@ -323,7 +334,7 @@ def child_fun(): # which interferes with unit tests. os._exit(0) - except spack.error.SpackError, e: + except spack.error.SpackError as e: e.die() except: @@ -338,8 +349,7 @@ def child_fun(): # message. Just make the parent exit with an error code. pid, returncode = os.waitpid(pid, 0) if returncode != 0: - raise InstallError("Installation process had nonzero exit code." - .format(str(returncode))) + raise InstallError("Installation process had nonzero exit code.".format(str(returncode))) class InstallError(spack.error.SpackError): diff --git a/lib/spack/spack/cmd/module.py b/lib/spack/spack/cmd/module.py index 1d6867c1d9..315d9fc926 100644 --- a/lib/spack/spack/cmd/module.py +++ b/lib/spack/spack/cmd/module.py @@ -80,7 +80,7 @@ def module_find(mtype, spec_array): if not os.path.isfile(mod.file_name): tty.die("No %s module is installed for %s" % (mtype, spec)) - print mod.use_name + print(mod.use_name) def module_refresh(): diff --git a/lib/spack/spack/cmd/uninstall.py b/lib/spack/spack/cmd/uninstall.py index d01aa2136b..1ece838612 100644 --- a/lib/spack/spack/cmd/uninstall.py +++ b/lib/spack/spack/cmd/uninstall.py @@ -79,7 +79,7 @@ def uninstall(parser, args): try: # should work if package is known to spack pkgs.append(s.package) - except spack.repository.UnknownPackageError, e: + except spack.repository.UnknownPackageError as e: # The package.py file has gone away -- but still # want to uninstall. spack.Package(s).do_uninstall(force=True) @@ -94,11 +94,11 @@ def num_installed_deps(pkg): for pkg in pkgs: try: pkg.do_uninstall(force=args.force) - except PackageStillNeededError, e: + except PackageStillNeededError as e: tty.error("Will not uninstall %s" % e.spec.format("$_$@$%@$#", color=True)) - print - print "The following packages depend on it:" + print('') + print("The following packages depend on it:") display_specs(e.dependents, long=True) - print - print "You can use spack uninstall -f to force this action." + print('') + print("You can use spack uninstall -f to force this action.") sys.exit(1) diff --git a/lib/spack/spack/directory_layout.py b/lib/spack/spack/directory_layout.py index 39ee4e203d..da8f1aa1bc 100644 --- a/lib/spack/spack/directory_layout.py +++ b/lib/spack/spack/directory_layout.py @@ -150,7 +150,7 @@ def remove_install_directory(self, spec): if os.path.exists(path): try: shutil.rmtree(path) - except exceptions.OSError, e: + except exceptions.OSError as e: raise RemoveFailedError(spec, path, e) path = os.path.dirname(path) diff --git a/lib/spack/spack/environment.py b/lib/spack/spack/environment.py new file mode 100644 index 0000000000..74aef57fe8 --- /dev/null +++ b/lib/spack/spack/environment.py @@ -0,0 +1,234 @@ +import os +import os.path +import collections +import inspect + + +class NameModifier(object): + def __init__(self, name, **kwargs): + self.name = name + self.args = {'name': name} + self.args.update(kwargs) + + +class NameValueModifier(object): + def __init__(self, name, value, **kwargs): + self.name = name + self.value = value + self.args = {'name': name, 'value': value} + self.args.update(kwargs) + + +class SetEnv(NameValueModifier): + def execute(self): + os.environ[self.name] = str(self.value) + + +class UnsetEnv(NameModifier): + def execute(self): + os.environ.pop(self.name, None) # Avoid throwing if the variable was not set + + +class AppendPath(NameValueModifier): + def execute(self): + environment_value = os.environ.get(self.name, '') + directories = environment_value.split(':') if environment_value else [] + directories.append(os.path.normpath(self.value)) + os.environ[self.name] = ':'.join(directories) + + +class PrependPath(NameValueModifier): + def execute(self): + environment_value = os.environ.get(self.name, '') + directories = environment_value.split(':') if environment_value else [] + directories = [os.path.normpath(self.value)] + directories + os.environ[self.name] = ':'.join(directories) + + +class RemovePath(NameValueModifier): + def execute(self): + environment_value = os.environ.get(self.name, '') + directories = environment_value.split(':') if environment_value else [] + directories = [os.path.normpath(x) for x in directories if x != os.path.normpath(self.value)] + os.environ[self.name] = ':'.join(directories) + + +class EnvironmentModifications(object): + """ + Keeps track of requests to modify the current environment. + + Each call to a method to modify the environment stores the extra information on the caller in the request: + - 'filename' : filename of the module where the caller is defined + - 'lineno': line number where the request occurred + - 'context' : line of code that issued the request that failed + """ + + def __init__(self, other=None): + """ + Initializes a new instance, copying commands from other if it is not None + + Args: + other: another instance of EnvironmentModifications from which (optional) + """ + self.env_modifications = [] + if other is not None: + self.extend(other) + + def __iter__(self): + return iter(self.env_modifications) + + def __len__(self): + return len(self.env_modifications) + + def extend(self, other): + self._check_other(other) + self.env_modifications.extend(other.env_modifications) + + @staticmethod + def _check_other(other): + if not isinstance(other, EnvironmentModifications): + raise TypeError('other must be an instance of EnvironmentModifications') + + def _get_outside_caller_attributes(self): + stack = inspect.stack() + try: + _, filename, lineno, _, context, index = stack[2] + context = context[index].strip() + except Exception: + filename, lineno, context = 'unknown file', 'unknown line', 'unknown context' + args = { + 'filename': filename, + 'lineno': lineno, + 'context': context + } + return args + + def set_env(self, name, value, **kwargs): + """ + Stores in the current object a request to set an environment variable + + Args: + name: name of the environment variable to be set + value: value of the environment variable + """ + kwargs.update(self._get_outside_caller_attributes()) + item = SetEnv(name, value, **kwargs) + self.env_modifications.append(item) + + def unset_env(self, name, **kwargs): + """ + Stores in the current object a request to unset an environment variable + + Args: + name: name of the environment variable to be set + """ + kwargs.update(self._get_outside_caller_attributes()) + item = UnsetEnv(name, **kwargs) + self.env_modifications.append(item) + + def append_path(self, name, path, **kwargs): + """ + Stores in the current object a request to append a path to a path list + + Args: + name: name of the path list in the environment + path: path to be appended + """ + kwargs.update(self._get_outside_caller_attributes()) + item = AppendPath(name, path, **kwargs) + self.env_modifications.append(item) + + def prepend_path(self, name, path, **kwargs): + """ + Same as `append_path`, but the path is pre-pended + + Args: + name: name of the path list in the environment + path: path to be pre-pended + """ + kwargs.update(self._get_outside_caller_attributes()) + item = PrependPath(name, path, **kwargs) + self.env_modifications.append(item) + + def remove_path(self, name, path, **kwargs): + """ + Stores in the current object a request to remove a path from a path list + + Args: + name: name of the path list in the environment + path: path to be removed + """ + kwargs.update(self._get_outside_caller_attributes()) + item = RemovePath(name, path, **kwargs) + self.env_modifications.append(item) + + def group_by_name(self): + """ + Returns a dict of the modifications grouped by variable name + + Returns: + dict mapping the environment variable name to the modifications to be done on it + """ + modifications = collections.defaultdict(list) + for item in self: + modifications[item.name].append(item) + return modifications + + def clear(self): + """ + Clears the current list of modifications + """ + self.env_modifications.clear() + + def apply_modifications(self): + """ + Applies the modifications and clears the list + """ + modifications = self.group_by_name() + # Apply the modifications to the environment variables one variable at a time + for name, actions in sorted(modifications.items()): + for x in actions: + x.execute() + + +def concatenate_paths(paths): + """ + Concatenates an iterable of paths into a string of column separated paths + + Args: + paths: iterable of paths + + Returns: + string + """ + return ':'.join(str(item) for item in paths) + + +def set_or_unset_not_first(variable, changes, errstream): + """ + Check if we are going to set or unset something after other modifications have already been requested + """ + indexes = [ii for ii, item in enumerate(changes) if ii != 0 and type(item) in [SetEnv, UnsetEnv]] + if indexes: + good = '\t \t{context} at {filename}:{lineno}' + nogood = '\t--->\t{context} at {filename}:{lineno}' + errstream('Suspicious requests to set or unset the variable \'{var}\' found'.format(var=variable)) + for ii, item in enumerate(changes): + print_format = nogood if ii in indexes else good + errstream(print_format.format(**item.args)) + + +def validate(env, errstream): + """ + Validates the environment modifications to check for the presence of suspicious patterns. Prompts a warning for + everything that was found + + Current checks: + - set or unset variables after other changes on the same variable + + Args: + env: list of environment modifications + """ + modifications = env.group_by_name() + for variable, list_of_changes in sorted(modifications.items()): + set_or_unset_not_first(variable, list_of_changes, errstream) diff --git a/lib/spack/spack/modules.py b/lib/spack/spack/modules.py index c27043db8c..0378110c8c 100644 --- a/lib/spack/spack/modules.py +++ b/lib/spack/spack/modules.py @@ -22,14 +22,12 @@ # along with this program; if not, write to the Free Software Foundation, # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ############################################################################## -"""This module contains code for creating environment modules, which -can include dotkits, tcl modules, lmod, and others. +""" +This module contains code for creating environment modules, which can include dotkits, tcl modules, lmod, and others. -The various types of modules are installed by post-install hooks and -removed after an uninstall by post-uninstall hooks. This class -consolidates the logic for creating an abstract description of the -information that module systems need. Currently that includes a -number of directories to be appended to paths in the user's environment: +The various types of modules are installed by post-install hooks and removed after an uninstall by post-uninstall hooks. +This class consolidates the logic for creating an abstract description of the information that module systems need. +Currently that includes a number of directories to be appended to paths in the user's environment: * /bin directories to be appended to PATH * /lib* directories for LD_LIBRARY_PATH @@ -37,28 +35,25 @@ * /man* and /share/man* directories for MANPATH * the package prefix for CMAKE_PREFIX_PATH -This module also includes logic for coming up with unique names for -the module files so that they can be found by the various -shell-support files in $SPACK/share/spack/setup-env.*. +This module also includes logic for coming up with unique names for the module files so that they can be found by the +various shell-support files in $SPACK/share/spack/setup-env.*. -Each hook in hooks/ implements the logic for writing its specific type -of module file. +Each hook in hooks/ implements the logic for writing its specific type of module file. """ -__all__ = ['EnvModule', 'Dotkit', 'TclModule'] - import os +import os.path import re -import textwrap import shutil -from glob import glob +import textwrap import llnl.util.tty as tty -from llnl.util.filesystem import join_path, mkdirp - import spack +from llnl.util.filesystem import join_path, mkdirp +from spack.environment import * -"""Registry of all types of modules. Entries created by EnvModule's - metaclass.""" +__all__ = ['EnvModule', 'Dotkit', 'TclModule'] + +# Registry of all types of modules. Entries created by EnvModule's metaclass module_types = {} @@ -79,8 +74,43 @@ def print_help(): "") +def inspect_path(prefix): + """ + Inspects the prefix of an installation to search for common layouts. Issues a request to modify the environment + accordingly when an item is found. + + Args: + prefix: prefix of the installation + + Returns: + instance of EnvironmentModifications containing the requested modifications + """ + env = EnvironmentModifications() + # Inspect the prefix to check for the existence of common directories + prefix_inspections = { + 'bin': ('PATH',), + 'man': ('MANPATH',), + 'lib': ('LIBRARY_PATH', 'LD_LIBRARY_PATH'), + 'lib64': ('LIBRARY_PATH', 'LD_LIBRARY_PATH'), + 'include': ('CPATH',) + } + for attribute, variables in prefix_inspections.items(): + expected = getattr(prefix, attribute) + if os.path.isdir(expected): + for variable in variables: + env.prepend_path(variable, expected) + # PKGCONFIG + for expected in (join_path(prefix.lib, 'pkgconfig'), join_path(prefix.lib64, 'pkgconfig')): + if os.path.isdir(expected): + env.prepend_path('PKG_CONFIG_PATH', expected) + # CMake related variables + env.prepend_path('CMAKE_PREFIX_PATH', prefix) + return env + + class EnvModule(object): name = 'env_module' + formats = {} class __metaclass__(type): def __init__(cls, name, bases, dict): @@ -88,67 +118,47 @@ def __init__(cls, name, bases, dict): if cls.name != 'env_module': module_types[cls.name] = cls - def __init__(self, spec=None): - # category in the modules system - # TODO: come up with smarter category names. - self.category = "spack" - - # Descriptions for the module system's UI - self.short_description = "" - self.long_description = "" - - # dict pathname -> list of directories to be prepended to in - # the module file. - self._paths = None self.spec = spec + self.pkg = spec.package # Just stored for convenience + # short description default is just the package + version + # packages can provide this optional attribute + self.short_description = spec.format("$_ $@") + if hasattr(self.pkg, 'short_description'): + self.short_description = self.pkg.short_description + + # long description is the docstring with reduced whitespace. + self.long_description = None + if self.spec.package.__doc__: + self.long_description = re.sub(r'\s+', ' ', self.spec.package.__doc__) @property - def paths(self): - if self._paths is None: - self._paths = {} - - def add_path(path_name, directory): - path = self._paths.setdefault(path_name, []) - path.append(directory) - - # Add paths if they exist. - for var, directory in [ - ('PATH', self.spec.prefix.bin), - ('MANPATH', self.spec.prefix.man), - ('MANPATH', self.spec.prefix.share_man), - ('LIBRARY_PATH', self.spec.prefix.lib), - ('LIBRARY_PATH', self.spec.prefix.lib64), - ('LD_LIBRARY_PATH', self.spec.prefix.lib), - ('LD_LIBRARY_PATH', self.spec.prefix.lib64), - ('CPATH', self.spec.prefix.include), - ('PKG_CONFIG_PATH', join_path(self.spec.prefix.lib, 'pkgconfig')), - ('PKG_CONFIG_PATH', join_path(self.spec.prefix.lib64, 'pkgconfig'))]: - - if os.path.isdir(directory): - add_path(var, directory) - - # Add python path unless it's an actual python installation - # TODO: is there a better way to do this? - if self.spec.name != 'python': - site_packages = glob(join_path(self.spec.prefix.lib, "python*/site-packages")) - if site_packages: - add_path('PYTHONPATH', site_packages[0]) - - if self.spec.package.extends(spack.spec.Spec('ruby')): - add_path('GEM_PATH', self.spec.prefix) - - # short description is just the package + version - # TODO: maybe packages can optionally provide it. - self.short_description = self.spec.format("$_ $@") - - # long description is the docstring with reduced whitespace. - if self.spec.package.__doc__: - self.long_description = re.sub(r'\s+', ' ', self.spec.package.__doc__) - - return self._paths + def category(self): + # Anything defined at the package level takes precedence + if hasattr(self.pkg, 'category'): + return self.pkg.category + # Extensions + for extendee in self.pkg.extendees: + return '{extendee} extension'.format(extendee=extendee) + # Not very descriptive fallback + return 'spack installed package' + # @property + # def paths(self): + # # Add python path unless it's an actual python installation + # # TODO : is there a better way to do this? + # # FIXME : add PYTHONPATH to every python package + # if self.spec.name != 'python': + # site_packages = glob(join_path(self.spec.prefix.lib, "python*/site-packages")) + # if site_packages: + # add_path('PYTHONPATH', site_packages[0]) + # + # # FIXME : Same for GEM_PATH + # if self.spec.package.extends(spack.spec.Spec('ruby')): + # add_path('GEM_PATH', self.spec.prefix) + # + # return self._paths def write(self): """Write out a module file for this object.""" @@ -156,18 +166,36 @@ def write(self): if not os.path.exists(module_dir): mkdirp(module_dir) - # If there are no paths, no need for a dotkit. - if not self.paths: + # Environment modifications guessed by inspecting the installation prefix + env = inspect_path(self.spec.prefix) + + # Let the extendee modify their extensions before asking for package-specific modifications + for extendee in self.pkg.extendees: + extendee_spec = self.spec[extendee] + extendee_spec.package.modify_module(self.pkg.module, extendee_spec, self.spec) + + # Package-specific environment modifications + self.spec.package.setup_environment(env) + # TODO : implement site-specific modifications and filters + if not env: return with open(self.file_name, 'w') as f: - self._write(f) + self.write_header(f) + for line in self.process_environment_command(env): + f.write(line) - - def _write(self, stream): - """To be implemented by subclasses.""" + def write_header(self, stream): raise NotImplementedError() + def process_environment_command(self, env): + for command in env: + try: + yield self.formats[type(command)].format(**command.args) + except KeyError: + tty.warn('Cannot handle command of type {command} : skipping request'.format(command=type(command))) + tty.warn('{context} at {filename}:{lineno}'.format(**command.args)) + @property def file_name(self): @@ -175,14 +203,12 @@ def file_name(self): where this module lives.""" raise NotImplementedError() - @property def use_name(self): """Subclasses should implement this to return the name the module command uses to refer to the package.""" raise NotImplementedError() - def remove(self): mod_file = self.file_name if os.path.exists(mod_file): @@ -193,10 +219,14 @@ class Dotkit(EnvModule): name = 'dotkit' path = join_path(spack.share_path, "dotkit") + formats = { + PrependPath: 'dk_alter {name} {value}\n', + SetEnv: 'dk_setenv {name} {value}\n' + } + @property def file_name(self): - return join_path(Dotkit.path, self.spec.architecture, - '%s.dk' % self.use_name) + return join_path(Dotkit.path, self.spec.architecture, '%s.dk' % self.use_name) @property def use_name(self): @@ -205,7 +235,7 @@ def use_name(self): self.spec.compiler.version, self.spec.dag_hash()) - def _write(self, dk_file): + def write_header(self, dk_file): # Category if self.category: dk_file.write('#c %s\n' % self.category) @@ -219,24 +249,23 @@ def _write(self, dk_file): for line in textwrap.wrap(self.long_description, 72): dk_file.write("#h %s\n" % line) - # Path alterations - for var, dirs in self.paths.items(): - for directory in dirs: - dk_file.write("dk_alter %s %s\n" % (var, directory)) - - # Let CMake find this package. - dk_file.write("dk_alter CMAKE_PREFIX_PATH %s\n" % self.spec.prefix) - class TclModule(EnvModule): name = 'tcl' path = join_path(spack.share_path, "modules") + formats = { + PrependPath: 'prepend-path {name} \"{value}\"\n', + AppendPath: 'append-path {name} \"{value}\"\n', + RemovePath: 'remove-path {name} \"{value}\"\n', + SetEnv: 'setenv {name} \"{value}\"\n', + UnsetEnv: 'unsetenv {name}\n' + } + @property def file_name(self): return join_path(TclModule.path, self.spec.architecture, self.use_name) - @property def use_name(self): return "%s-%s-%s-%s-%s" % (self.spec.name, self.spec.version, @@ -244,25 +273,17 @@ def use_name(self): self.spec.compiler.version, self.spec.dag_hash()) - - def _write(self, m_file): - # TODO: cateogry? - m_file.write('#%Module1.0\n') - + def write_header(self, module_file): + # TCL Modulefile header + module_file.write('#%Module1.0\n') + # TODO : category ? # Short description if self.short_description: - m_file.write('module-whatis \"%s\"\n\n' % self.short_description) + module_file.write('module-whatis \"%s\"\n\n' % self.short_description) # Long description if self.long_description: - m_file.write('proc ModulesHelp { } {\n') + module_file.write('proc ModulesHelp { } {\n') doc = re.sub(r'"', '\"', self.long_description) - m_file.write("puts stderr \"%s\"\n" % doc) - m_file.write('}\n\n') - - # Path alterations - for var, dirs in self.paths.items(): - for directory in dirs: - m_file.write("prepend-path %s \"%s\"\n" % (var, directory)) - - m_file.write("prepend-path CMAKE_PREFIX_PATH \"%s\"\n" % self.spec.prefix) + module_file.write("puts stderr \"%s\"\n" % doc) + module_file.write('}\n\n') diff --git a/lib/spack/spack/package.py b/lib/spack/spack/package.py index dafad0b184..acad5a28f6 100644 --- a/lib/spack/spack/package.py +++ b/lib/spack/spack/package.py @@ -34,40 +34,34 @@ README. """ import os -import errno import re -import shutil -import time -import itertools -import subprocess -import platform as py_platform -import multiprocessing -from urlparse import urlparse, urljoin import textwrap -from StringIO import StringIO +import time +import glob import llnl.util.tty as tty -from llnl.util.tty.log import log_output -from llnl.util.link_tree import LinkTree -from llnl.util.filesystem import * -from llnl.util.lang import * - import spack -import spack.error -import spack.compilers -import spack.mirror -import spack.hooks -import spack.directives -import spack.repository import spack.build_environment +import spack.compilers +import spack.directives +import spack.error +import spack.fetch_strategy as fs +import spack.hooks +import spack.mirror +import spack.repository import spack.url import spack.util.web -import spack.fetch_strategy as fs -from spack.version import * +from StringIO import StringIO +from llnl.util.filesystem import * +from llnl.util.lang import * +from llnl.util.link_tree import LinkTree +from llnl.util.tty.log import log_output from spack.stage import Stage, ResourceStage, StageComposite -from spack.util.compression import allowed_archive, extension -from spack.util.executable import ProcessError +from spack.util.compression import allowed_archive from spack.util.environment import dump_environment +from spack.util.executable import ProcessError +from spack.version import * +from urlparse import urlparse """Allowed URL schemes for spack packages.""" _ALLOWED_URL_SCHEMES = ["http", "https", "ftp", "file", "git"] @@ -1008,38 +1002,63 @@ def module(self): return __import__(self.__class__.__module__, fromlist=[self.__class__.__name__]) + def setup_environment(self, env): + """ + Appends in `env` the list of environment modifications needed to use this package outside of spack. - def setup_dependent_environment(self, module, spec, dependent_spec): - """Called before the install() method of dependents. + Default implementation does nothing, but this can be overridden if the package needs a particular environment. - Default implementation does nothing, but this can be - overridden by an extendable package to set up the install - environment for its extensions. This is useful if there are - some common steps to installing all extensions for a - certain package. + Example : - Some examples: - - 1. Installing python modules generally requires PYTHONPATH to - point to the lib/pythonX.Y/site-packages directory in the - module's install prefix. This could set that variable. - - 2. Extensions often need to invoke the 'python' interpreter - from the Python installation being extended. This routine can - put a 'python' Execuable object in the module scope for the - extension package to simplify extension installs. - - 3. A lot of Qt extensions need QTDIR set. This can be used to do that. + 1. A lot of Qt extensions need `QTDIR` set. This can be used to do that. + Args: + env: list of environment modifications to be updated """ pass + def setup_dependent_environment(self, env, dependent_spec): + """ + Called before the install() method of dependents. + + Appends in `env` the list of environment modifications needed by dependents (or extensions) during the + installation of a package. The default implementation delegates to `setup_environment`, but can be overridden + if the modifications to the environment happen to be different from the one needed to use the package outside + of spack. + + This is useful if there are some common steps to installing all extensions for a certain package. + + Example : + + 1. Installing python modules generally requires `PYTHONPATH` to point to the lib/pythonX.Y/site-packages + directory in the module's install prefix. This could set that variable. + + Args: + env: list of environment modifications to be updated + dependent_spec: dependent (or extension) of this spec + """ + self.setup_environment(env) + + def modify_module(self, module, spec, dependent_spec): + """ + Called before the install() method of dependents. + + Default implementation does nothing, but this can be overridden by an extendable package to set up the module of + its extensions. This is useful if there are some common steps to installing all extensions for a + certain package. + + Example : + + 1. Extensions often need to invoke the 'python' interpreter from the Python installation being extended. + This routine can put a 'python' Executable object in the module scope for the extension package to simplify + extension installs. + """ + pass def install(self, spec, prefix): """Package implementations override this with their own build configuration.""" raise InstallError("Package %s provides no install method!" % self.name) - def do_uninstall(self, force=False): if not self.installed: raise InstallError(str(self.spec) + " is not installed.") diff --git a/lib/spack/spack/test/__init__.py b/lib/spack/spack/test/__init__.py index d5d8b64765..cd842561e6 100644 --- a/lib/spack/spack/test/__init__.py +++ b/lib/spack/spack/test/__init__.py @@ -66,7 +66,8 @@ 'database', 'namespace_trie', 'yaml', - 'sbang'] + 'sbang', + 'environment'] def list_tests(): diff --git a/lib/spack/spack/test/database.py b/lib/spack/spack/test/database.py index 9a57e1f03e..ce6e8a0552 100644 --- a/lib/spack/spack/test/database.py +++ b/lib/spack/spack/test/database.py @@ -26,6 +26,7 @@ These tests check the database is functioning properly, both in memory and in its file """ +import os.path import multiprocessing import shutil import tempfile diff --git a/lib/spack/spack/test/environment.py b/lib/spack/spack/test/environment.py new file mode 100644 index 0000000000..3e03760c01 --- /dev/null +++ b/lib/spack/spack/test/environment.py @@ -0,0 +1,67 @@ +import unittest +import os +from spack.environment import EnvironmentModifications + + +class EnvironmentTest(unittest.TestCase): + def setUp(self): + os.environ.clear() + os.environ['UNSET_ME'] = 'foo' + os.environ['EMPTY_PATH_LIST'] = '' + os.environ['PATH_LIST'] = '/path/second:/path/third' + os.environ['REMOVE_PATH_LIST'] = '/a/b:/duplicate:/a/c:/remove/this:/a/d:/duplicate/:/f/g' + + def test_set_env(self): + env = EnvironmentModifications() + env.set_env('A', 'dummy value') + env.set_env('B', 3) + env.apply_modifications() + self.assertEqual('dummy value', os.environ['A']) + self.assertEqual(str(3), os.environ['B']) + + def test_unset_env(self): + env = EnvironmentModifications() + self.assertEqual('foo', os.environ['UNSET_ME']) + env.unset_env('UNSET_ME') + env.apply_modifications() + self.assertRaises(KeyError, os.environ.__getitem__, 'UNSET_ME') + + def test_path_manipulation(self): + env = EnvironmentModifications() + + env.append_path('PATH_LIST', '/path/last') + env.prepend_path('PATH_LIST', '/path/first') + + env.append_path('EMPTY_PATH_LIST', '/path/middle') + env.append_path('EMPTY_PATH_LIST', '/path/last') + env.prepend_path('EMPTY_PATH_LIST', '/path/first') + + env.append_path('NEWLY_CREATED_PATH_LIST', '/path/middle') + env.append_path('NEWLY_CREATED_PATH_LIST', '/path/last') + env.prepend_path('NEWLY_CREATED_PATH_LIST', '/path/first') + + env.remove_path('REMOVE_PATH_LIST', '/remove/this') + env.remove_path('REMOVE_PATH_LIST', '/duplicate/') + + env.apply_modifications() + self.assertEqual('/path/first:/path/second:/path/third:/path/last', os.environ['PATH_LIST']) + self.assertEqual('/path/first:/path/middle:/path/last', os.environ['EMPTY_PATH_LIST']) + self.assertEqual('/path/first:/path/middle:/path/last', os.environ['NEWLY_CREATED_PATH_LIST']) + self.assertEqual('/a/b:/a/c:/a/d:/f/g', os.environ['REMOVE_PATH_LIST']) + + def test_extra_arguments(self): + env = EnvironmentModifications() + env.set_env('A', 'dummy value', who='Pkg1') + for x in env: + assert 'who' in x.args + env.apply_modifications() + self.assertEqual('dummy value', os.environ['A']) + + def test_extend(self): + env = EnvironmentModifications() + env.set_env('A', 'dummy value') + env.set_env('B', 3) + copy_construct = EnvironmentModifications(env) + self.assertEqual(len(copy_construct), 2) + for x, y in zip(env, copy_construct): + assert x is y diff --git a/lib/spack/spack/util/environment.py b/lib/spack/spack/util/environment.py index ae8e5708be..55e653fd2f 100644 --- a/lib/spack/spack/util/environment.py +++ b/lib/spack/spack/util/environment.py @@ -59,14 +59,8 @@ def path_put_first(var_name, directories): path_set(var_name, new_path) -def pop_keys(dictionary, *keys): - for key in keys: - if key in dictionary: - dictionary.pop(key) - - def dump_environment(path): """Dump the current environment out to a file.""" with open(path, 'w') as env_file: - for key,val in sorted(os.environ.items()): + for key, val in sorted(os.environ.items()): env_file.write("%s=%s\n" % (key, val)) diff --git a/var/spack/repos/builtin/packages/mpich/package.py b/var/spack/repos/builtin/packages/mpich/package.py index e2b3654c19..5af9b585ea 100644 --- a/var/spack/repos/builtin/packages/mpich/package.py +++ b/var/spack/repos/builtin/packages/mpich/package.py @@ -25,6 +25,7 @@ from spack import * import os + class Mpich(Package): """MPICH is a high performance and widely portable implementation of the Message Passing Interface (MPI) standard.""" @@ -46,14 +47,23 @@ class Mpich(Package): provides('mpi@:3.0', when='@3:') provides('mpi@:1.3', when='@1:') - def setup_dependent_environment(self, module, spec, dep_spec): - """For dependencies, make mpicc's use spack wrapper.""" - os.environ['MPICH_CC'] = os.environ['CC'] - os.environ['MPICH_CXX'] = os.environ['CXX'] - os.environ['MPICH_F77'] = os.environ['F77'] - os.environ['MPICH_F90'] = os.environ['FC'] - os.environ['MPICH_FC'] = os.environ['FC'] + def setup_environment(self, env): + env.set_env('MPICH_CC', self.compiler.cc) + env.set_env('MPICH_CXX', self.compiler.cxx) + env.set_env('MPICH_F77', self.compiler.f77) + env.set_env('MPICH_F90', self.compiler.fc) + env.set_env('MPICH_FC', self.compiler.fc) + def setup_dependent_environment(self, env, dependent_spec): + env.set_env('MPICH_CC', spack_cc) + env.set_env('MPICH_CXX', spack_cxx) + env.set_env('MPICH_F77', spack_f77) + env.set_env('MPICH_F90', spack_f90) + env.set_env('MPICH_FC', spack_fc) + + def modify_module(self, module, spec, dep_spec): + """For dependencies, make mpicc's use spack wrapper.""" + # FIXME : is this necessary ? Shouldn't this be part of a contract with MPI providers? module.mpicc = join_path(self.prefix.bin, 'mpicc') def install(self, spec, prefix): diff --git a/var/spack/repos/builtin/packages/mvapich2/package.py b/var/spack/repos/builtin/packages/mvapich2/package.py index af5ed1b088..e4e95f92af 100644 --- a/var/spack/repos/builtin/packages/mvapich2/package.py +++ b/var/spack/repos/builtin/packages/mvapich2/package.py @@ -123,7 +123,7 @@ def set_network_type(self, spec, configure_args): count += 1 if count > 1: raise RuntimeError('network variants are mutually exclusive (only one can be selected at a time)') - + network_options = [] # From here on I can suppose that only one variant has been selected if self.enabled(Mvapich2.PSM) in spec: network_options = ["--with-device=ch3:psm"] diff --git a/var/spack/repos/builtin/packages/netlib-scalapack/package.py b/var/spack/repos/builtin/packages/netlib-scalapack/package.py index a5b6eedafb..36f506f7cd 100644 --- a/var/spack/repos/builtin/packages/netlib-scalapack/package.py +++ b/var/spack/repos/builtin/packages/netlib-scalapack/package.py @@ -1,5 +1,4 @@ from spack import * -import sys class NetlibScalapack(Package): """ScaLAPACK is a library of high-performance linear algebra routines for parallel distributed memory machines""" @@ -41,11 +40,10 @@ def install(self, spec, prefix): make() make("install") - def setup_dependent_environment(self, module, spec, dependent_spec): + def modify_module(self, module, spec, dependent_spec): lib_dsuffix = '.dylib' if sys.platform == 'darwin' else '.so' lib_suffix = lib_dsuffix if '+shared' in spec['scalapack'] else '.a' spec['scalapack'].fc_link = '-L%s -lscalapack' % spec['scalapack'].prefix.lib spec['scalapack'].cc_link = spec['scalapack'].fc_link - spec['scalapack'].libraries = [join_path(spec['scalapack'].prefix.lib, - 'libscalapack%s' % lib_suffix)] + spec['scalapack'].libraries = [join_path(spec['scalapack'].prefix.lib, 'libscalapack%s' % lib_suffix)] diff --git a/var/spack/repos/builtin/packages/openmpi/package.py b/var/spack/repos/builtin/packages/openmpi/package.py index e4484af8c5..7783ca8766 100644 --- a/var/spack/repos/builtin/packages/openmpi/package.py +++ b/var/spack/repos/builtin/packages/openmpi/package.py @@ -41,12 +41,17 @@ class Openmpi(Package): def url_for_version(self, version): return "http://www.open-mpi.org/software/ompi/v%s/downloads/openmpi-%s.tar.bz2" % (version.up_to(2), version) - def setup_dependent_environment(self, module, spec, dep_spec): - """For dependencies, make mpicc's use spack wrapper.""" - os.environ['OMPI_CC'] = 'cc' - os.environ['OMPI_CXX'] = 'c++' - os.environ['OMPI_FC'] = 'f90' - os.environ['OMPI_F77'] = 'f77' + def setup_environment(self, env): + env.set_env('OMPI_CC', self.compiler.cc) + env.set_env('OMPI_CXX', self.compiler.cxx) + env.set_env('OMPI_FC', self.compiler.fc) + env.set_env('OMPI_F77', self.compiler.f77) + + def setup_dependent_environment(self, env, dependent_spec): + env.set_env('OMPI_CC', spack_cc) + env.set_env('OMPI_CXX', spack_cxx) + env.set_env('OMPI_FC', spack_fc) + env.set_env('OMPI_F77', spack_f77) def install(self, spec, prefix): config_args = ["--prefix=%s" % prefix, diff --git a/var/spack/repos/builtin/packages/py-nose/package.py b/var/spack/repos/builtin/packages/py-nose/package.py index e7c6cf0264..4fee99098e 100644 --- a/var/spack/repos/builtin/packages/py-nose/package.py +++ b/var/spack/repos/builtin/packages/py-nose/package.py @@ -1,11 +1,12 @@ from spack import * + class PyNose(Package): """nose extends the test loading and running features of unittest, making it easier to write, find and run tests.""" homepage = "https://pypi.python.org/pypi/nose" - url = "https://pypi.python.org/packages/source/n/nose/nose-1.3.4.tar.gz" + url = "https://pypi.python.org/packages/source/n/nose/nose-1.3.4.tar.gz" version('1.3.4', '6ed7169887580ddc9a8e16048d38274d') version('1.3.6', '0ca546d81ca8309080fc80cb389e7a16') diff --git a/var/spack/repos/builtin/packages/python/package.py b/var/spack/repos/builtin/packages/python/package.py index dd240d1ea0..c445d26369 100644 --- a/var/spack/repos/builtin/packages/python/package.py +++ b/var/spack/repos/builtin/packages/python/package.py @@ -1,11 +1,14 @@ +import functools +import glob +import inspect import os import re from contextlib import closing -from llnl.util.lang import match_predicate -from spack.util.environment import * -from spack import * import spack +from llnl.util.lang import match_predicate +from spack import * +from spack.util.environment import * class Python(Package): @@ -89,13 +92,21 @@ def python_include_dir(self): def site_packages_dir(self): return os.path.join(self.python_lib_dir, 'site-packages') + def setup_dependent_environment(self, env, extension_spec): + # Set PYTHONPATH to include site-packages dir for the extension and any other python extensions it depends on. + python_paths = [] + for d in extension_spec.traverse(): + if d.package.extends(self.spec): + python_paths.append(os.path.join(d.prefix, self.site_packages_dir)) + env.set_env('PYTHONPATH', ':'.join(python_paths)) - def setup_dependent_environment(self, module, spec, ext_spec): - """Called before python modules' install() methods. + def modify_module(self, module, spec, ext_spec): + """ + Called before python modules' install() methods. In most cases, extensions will only need to have one line:: - python('setup.py', 'install', '--prefix=%s' % prefix) + python('setup.py', 'install', '--prefix=%s' % prefix) """ # Python extension builds can have a global python executable function if self.version >= Version("3.0.0") and self.version < Version("4.0.0"): @@ -103,6 +114,31 @@ def setup_dependent_environment(self, module, spec, ext_spec): else: module.python = Executable(join_path(spec.prefix.bin, 'python')) + # The code below patches the any python extension to have good defaults for `setup_dependent_environment` and + # `setup_environment` only if the extension didn't override any of these functions explicitly. + def _setup_env(self, env): + site_packages = glob.glob(join_path(self.spec.prefix.lib, "python*/site-packages")) + if site_packages: + env.prepend_path('PYTHONPATH', site_packages[0]) + + def _setup_denv(self, env, extension_spec): + pass + + pkg_cls = type(ext_spec.package) # Retrieve the type we may want to patch + if 'python' in pkg_cls.extendees: + # List of overrides we are interested in + interesting_overrides = ['setup_environment', 'setup_dependent_environment'] + overrides_found = [ + (name, defining_cls) for name, _, defining_cls, _, in inspect.classify_class_attrs(pkg_cls) + if + name in interesting_overrides and # The attribute has the right name + issubclass(defining_cls, Package) and defining_cls is not Package # and is an actual override + ] + if not overrides_found: + # If no override were found go on patching + pkg_cls.setup_environment = functools.wraps(Package.setup_environment)(_setup_env) + pkg_cls.setup_dependent_environment = functools.wraps(Package.setup_dependent_environment)(_setup_denv) + # Add variables for lib/pythonX.Y and lib/pythonX.Y/site-packages dirs. module.python_lib_dir = os.path.join(ext_spec.prefix, self.python_lib_dir) module.python_include_dir = os.path.join(ext_spec.prefix, self.python_include_dir) @@ -111,15 +147,6 @@ def setup_dependent_environment(self, module, spec, ext_spec): # Make the site packages directory if it does not exist already. mkdirp(module.site_packages_dir) - # Set PYTHONPATH to include site-packages dir for the - # extension and any other python extensions it depends on. - python_paths = [] - for d in ext_spec.traverse(): - if d.package.extends(self.spec): - python_paths.append(os.path.join(d.prefix, self.site_packages_dir)) - os.environ['PYTHONPATH'] = ':'.join(python_paths) - - # ======================================================================== # Handle specifics of activating and deactivating python modules. # ======================================================================== diff --git a/var/spack/repos/builtin/packages/qt/package.py b/var/spack/repos/builtin/packages/qt/package.py index ef5f05601f..35b9d68462 100644 --- a/var/spack/repos/builtin/packages/qt/package.py +++ b/var/spack/repos/builtin/packages/qt/package.py @@ -55,11 +55,8 @@ class Qt(Package): depends_on("mesa", when='@4:+mesa') depends_on("libxcb") - - def setup_dependent_environment(self, module, spec, dep_spec): - """Dependencies of Qt find it using the QTDIR environment variable.""" - os.environ['QTDIR'] = self.prefix - + def setup_environment(self, env): + env.set_env['QTDIR'] = self.prefix def patch(self): if self.spec.satisfies('@4'): diff --git a/var/spack/repos/builtin/packages/ruby/package.py b/var/spack/repos/builtin/packages/ruby/package.py index 6b6242362c..2d1da8c9af 100644 --- a/var/spack/repos/builtin/packages/ruby/package.py +++ b/var/spack/repos/builtin/packages/ruby/package.py @@ -1,6 +1,5 @@ from spack import * -import spack -import os + class Ruby(Package): """A dynamic, open source programming language with a focus on @@ -15,11 +14,20 @@ class Ruby(Package): def install(self, spec, prefix): configure("--prefix=%s" % prefix) - make() make("install") - def setup_dependent_environment(self, module, spec, ext_spec): + def setup_dependent_environment(self, env, extension_spec): + # Set GEM_PATH to include dependent gem directories + ruby_paths = [] + for d in extension_spec.traverse(): + if d.package.extends(self.spec): + ruby_paths.append(d.prefix) + env.set_env('GEM_PATH', concatenate_paths(ruby_paths)) + # The actual installation path for this gem + env.set_env('GEM_HOME', extension_spec.prefix) + + def modify_module(self, module, spec, ext_spec): """Called before ruby modules' install() methods. Sets GEM_HOME and GEM_PATH to values appropriate for the package being built. @@ -31,11 +39,4 @@ def setup_dependent_environment(self, module, spec, ext_spec): module.ruby = Executable(join_path(spec.prefix.bin, 'ruby')) module.gem = Executable(join_path(spec.prefix.bin, 'gem')) - # Set GEM_PATH to include dependent gem directories - ruby_paths = [] - for d in ext_spec.traverse(): - if d.package.extends(self.spec): - ruby_paths.append(d.prefix) - os.environ['GEM_PATH'] = ':'.join(ruby_paths) - # The actual installation path for this gem - os.environ['GEM_HOME'] = ext_spec.prefix +