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build_environment : fixed minor spelling errors and a few style issues

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This commit is contained in:
alalazo 2016-03-11 13:20:57 +01:00
parent f40c78a064
commit 1d70b590fc
1 changed files with 18 additions and 19 deletions
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37
lib/spack/spack/build_environment.py
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@ -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 +27,16 @@
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
from llnl.util.filesystem import *
from spack.util.environment import *
from spack.util.executable import Executable, which
#
# This can be set by the user to globally disable parallel builds.
@ -107,18 +106,19 @@ def set_compiler_environment_variables(pkg):
if compiler.fc:
os.environ['SPACK_FC'] = compiler.fc
os.environ['SPACK_COMPILER_SPEC'] = str(pkg.spec.compiler)
os.environ['SPACK_COMPILER_SPEC'] = str(pkg.spec.compiler)
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 <build_env_path>/case-insensitive
@ -296,23 +296,23 @@ 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 +323,7 @@ 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 +338,7 @@ 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):