Remove redundant inspect.getmodule(self) idiom in packages (#46073)

22 files changed, 62 insertions, 97 deletions

diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py
index 6e91b17bdc..e807bf6fd0 100644
--- a/lib/spack/spack/build_environment.py
+++ b/lib/spack/spack/build_environment.py
@@ -1553,21 +1553,21 @@ class ModuleChangePropagator:
 
     _PROTECTED_NAMES = ("package", "current_module", "modules_in_mro", "_set_attributes")
 
-    def __init__(self, package):
+    def __init__(self, package: spack.package_base.PackageBase) -> None:
         self._set_self_attributes("package", package)
         self._set_self_attributes("current_module", package.module)
 
         #: Modules for the classes in the MRO up to PackageBase
         modules_in_mro = []
-        for cls in type(package).__mro__:
-            module = cls.module
+        for cls in package.__class__.__mro__:
+            module = getattr(cls, "module", None)
 
-            if module == self.current_module:
-                continue
-
-            if module == spack.package_base:
+            if module is None or module is spack.package_base:
                 break
 
+            if module is self.current_module:
+                continue
+
             modules_in_mro.append(module)
         self._set_self_attributes("modules_in_mro", modules_in_mro)
         self._set_self_attributes("_set_attributes", {})
diff --git a/lib/spack/spack/build_systems/autotools.py b/lib/spack/spack/build_systems/autotools.py
index ce4d6bc279..b9b9ee2f2e 100644
--- a/lib/spack/spack/build_systems/autotools.py
+++ b/lib/spack/spack/build_systems/autotools.py
@@ -2,7 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
 import os
 import os.path
 import stat
@@ -549,13 +548,12 @@ To resolve this problem, please try the following:
         tty.warn("*        a custom AUTORECONF phase in the package       *")
         tty.warn("*********************************************************")
         with fs.working_dir(self.configure_directory):
-            m = inspect.getmodule(self.pkg)
             # This line is what is needed most of the time
             # --install, --verbose, --force
             autoreconf_args = ["-ivf"]
             autoreconf_args += self.autoreconf_search_path_args
             autoreconf_args += self.autoreconf_extra_args
-            m.autoreconf(*autoreconf_args)
+            self.pkg.module.autoreconf(*autoreconf_args)
 
     @property
     def autoreconf_search_path_args(self):
@@ -579,7 +577,9 @@ To resolve this problem, please try the following:
             raise RuntimeError(msg.format(self.configure_directory))
 
         # Monkey-patch the configure script in the corresponding module
-        inspect.getmodule(self.pkg).configure = Executable(self.configure_abs_path)
+        globals_for_pkg = spack.build_environment.ModuleChangePropagator(self.pkg)
+        globals_for_pkg.configure = Executable(self.configure_abs_path)
+        globals_for_pkg.propagate_changes_to_mro()
 
     def configure_args(self):
         """Return the list of all the arguments that must be passed to configure,
@@ -596,7 +596,7 @@ To resolve this problem, please try the following:
         options += self.configure_args()
 
         with fs.working_dir(self.build_directory, create=True):
-            inspect.getmodule(self.pkg).configure(*options)
+            pkg.module.configure(*options)
 
     def build(self, pkg, spec, prefix):
         """Run "make" on the build targets specified by the builder."""
@@ -604,12 +604,12 @@ To resolve this problem, please try the following:
         params = ["V=1"]
         params += self.build_targets
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).make(*params)
+            pkg.module.make(*params)
 
     def install(self, pkg, spec, prefix):
         """Run "make" on the install targets specified by the builder."""
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).make(*self.install_targets)
+            pkg.module.make(*self.install_targets)
 
     spack.builder.run_after("build")(execute_build_time_tests)
 
diff --git a/lib/spack/spack/build_systems/cargo.py b/lib/spack/spack/build_systems/cargo.py
index 2fd952d8c2..4dded46559 100644
--- a/lib/spack/spack/build_systems/cargo.py
+++ b/lib/spack/spack/build_systems/cargo.py
@@ -3,8 +3,6 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
-import inspect
-
 import llnl.util.filesystem as fs
 
 import spack.builder
@@ -72,9 +70,7 @@ class CargoBuilder(BaseBuilder):
     def build(self, pkg, spec, prefix):
         """Runs ``cargo install`` in the source directory"""
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(pkg).cargo(
-                "install", "--root", "out", "--path", ".", *self.build_args
-            )
+            pkg.module.cargo("install", "--root", "out", "--path", ".", *self.build_args)
 
     def install(self, pkg, spec, prefix):
         """Copy build files into package prefix."""
@@ -86,4 +82,4 @@ class CargoBuilder(BaseBuilder):
     def check(self):
         """Run "cargo test"."""
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).cargo("test", *self.check_args)
+            self.pkg.module.cargo("test", *self.check_args)
diff --git a/lib/spack/spack/build_systems/cmake.py b/lib/spack/spack/build_systems/cmake.py
index 10949e7949..d638a3e50b 100644
--- a/lib/spack/spack/build_systems/cmake.py
+++ b/lib/spack/spack/build_systems/cmake.py
@@ -3,7 +3,6 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 import collections.abc
-import inspect
 import os
 import pathlib
 import platform
@@ -544,24 +543,24 @@ class CMakeBuilder(BaseBuilder):
         options += self.cmake_args()
         options.append(os.path.abspath(self.root_cmakelists_dir))
         with fs.working_dir(self.build_directory, create=True):
-            inspect.getmodule(self.pkg).cmake(*options)
+            pkg.module.cmake(*options)
 
     def build(self, pkg, spec, prefix):
         """Make the build targets"""
         with fs.working_dir(self.build_directory):
             if self.generator == "Unix Makefiles":
-                inspect.getmodule(self.pkg).make(*self.build_targets)
+                pkg.module.make(*self.build_targets)
             elif self.generator == "Ninja":
                 self.build_targets.append("-v")
-                inspect.getmodule(self.pkg).ninja(*self.build_targets)
+                pkg.module.ninja(*self.build_targets)
 
     def install(self, pkg, spec, prefix):
         """Make the install targets"""
         with fs.working_dir(self.build_directory):
             if self.generator == "Unix Makefiles":
-                inspect.getmodule(self.pkg).make(*self.install_targets)
+                pkg.module.make(*self.install_targets)
             elif self.generator == "Ninja":
-                inspect.getmodule(self.pkg).ninja(*self.install_targets)
+                pkg.module.ninja(*self.install_targets)
 
     spack.builder.run_after("build")(execute_build_time_tests)
 
diff --git a/lib/spack/spack/build_systems/go.py b/lib/spack/spack/build_systems/go.py
index a22d3922e8..8bddd7548e 100644
--- a/lib/spack/spack/build_systems/go.py
+++ b/lib/spack/spack/build_systems/go.py
@@ -3,8 +3,6 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
-import inspect
-
 import llnl.util.filesystem as fs
 
 import spack.builder
@@ -82,7 +80,7 @@ class GoBuilder(BaseBuilder):
     def build(self, pkg, spec, prefix):
         """Runs ``go build`` in the source directory"""
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(pkg).go("build", *self.build_args)
+            pkg.module.go("build", *self.build_args)
 
     def install(self, pkg, spec, prefix):
         """Install built binaries into prefix bin."""
@@ -95,4 +93,4 @@ class GoBuilder(BaseBuilder):
     def check(self):
         """Run ``go test .`` in the source directory"""
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).go("test", *self.check_args)
+            self.pkg.module.go("test", *self.check_args)
diff --git a/lib/spack/spack/build_systems/makefile.py b/lib/spack/spack/build_systems/makefile.py
index 915f71d332..25f25adfe3 100644
--- a/lib/spack/spack/build_systems/makefile.py
+++ b/lib/spack/spack/build_systems/makefile.py
@@ -2,7 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
 from typing import List
 
 import llnl.util.filesystem as fs
@@ -103,12 +102,12 @@ class MakefileBuilder(BaseBuilder):
     def build(self, pkg, spec, prefix):
         """Run "make" on the build targets specified by the builder."""
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).make(*self.build_targets)
+            pkg.module.make(*self.build_targets)
 
     def install(self, pkg, spec, prefix):
         """Run "make" on the install targets specified by the builder."""
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).make(*self.install_targets)
+            pkg.module.make(*self.install_targets)
 
     spack.builder.run_after("build")(execute_build_time_tests)
 
diff --git a/lib/spack/spack/build_systems/meson.py b/lib/spack/spack/build_systems/meson.py
index 2c2bc0d1a0..cf3cd24e20 100644
--- a/lib/spack/spack/build_systems/meson.py
+++ b/lib/spack/spack/build_systems/meson.py
@@ -2,7 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
 import os
 from typing import List
 
@@ -195,19 +194,19 @@ class MesonBuilder(BaseBuilder):
         options += self.std_meson_args
         options += self.meson_args()
         with fs.working_dir(self.build_directory, create=True):
-            inspect.getmodule(self.pkg).meson(*options)
+            pkg.module.meson(*options)
 
     def build(self, pkg, spec, prefix):
         """Make the build targets"""
         options = ["-v"]
         options += self.build_targets
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).ninja(*options)
+            pkg.module.ninja(*options)
 
     def install(self, pkg, spec, prefix):
         """Make the install targets"""
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).ninja(*self.install_targets)
+            pkg.module.ninja(*self.install_targets)
 
     spack.builder.run_after("build")(execute_build_time_tests)
 
diff --git a/lib/spack/spack/build_systems/msbuild.py b/lib/spack/spack/build_systems/msbuild.py
index 0edc49b880..8fb4ef936e 100644
--- a/lib/spack/spack/build_systems/msbuild.py
+++ b/lib/spack/spack/build_systems/msbuild.py
@@ -2,7 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
 from typing import List  # novm
 
 import llnl.util.filesystem as fs
@@ -104,7 +103,7 @@ class MSBuildBuilder(BaseBuilder):
     def build(self, pkg, spec, prefix):
         """Run "msbuild" on the build targets specified by the builder."""
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).msbuild(
+            pkg.module.msbuild(
                 *self.std_msbuild_args,
                 *self.msbuild_args(),
                 self.define_targets(*self.build_targets),
@@ -114,6 +113,6 @@ class MSBuildBuilder(BaseBuilder):
         """Run "msbuild" on the install targets specified by the builder.
         This is INSTALL by default"""
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).msbuild(
+            pkg.module.msbuild(
                 *self.msbuild_install_args(), self.define_targets(*self.install_targets)
             )
diff --git a/lib/spack/spack/build_systems/nmake.py b/lib/spack/spack/build_systems/nmake.py
index d378d62336..50232f3e2d 100644
--- a/lib/spack/spack/build_systems/nmake.py
+++ b/lib/spack/spack/build_systems/nmake.py
@@ -2,7 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
 from typing import List  # novm
 
 import llnl.util.filesystem as fs
@@ -132,9 +131,7 @@ class NMakeBuilder(BaseBuilder):
         if self.makefile_name:
             opts.append("/F{}".format(self.makefile_name))
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).nmake(
-                *opts, *self.build_targets, ignore_quotes=self.ignore_quotes
-            )
+            pkg.module.nmake(*opts, *self.build_targets, ignore_quotes=self.ignore_quotes)
 
     def install(self, pkg, spec, prefix):
         """Run "nmake" on the install targets specified by the builder.
@@ -146,6 +143,4 @@ class NMakeBuilder(BaseBuilder):
             opts.append("/F{}".format(self.makefile_name))
         opts.append(self.define("PREFIX", fs.windows_sfn(prefix)))
         with fs.working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).nmake(
-                *opts, *self.install_targets, ignore_quotes=self.ignore_quotes
-            )
+            pkg.module.nmake(*opts, *self.install_targets, ignore_quotes=self.ignore_quotes)
diff --git a/lib/spack/spack/build_systems/octave.py b/lib/spack/spack/build_systems/octave.py
index 64958ce941..1b0a88c6e7 100644
--- a/lib/spack/spack/build_systems/octave.py
+++ b/lib/spack/spack/build_systems/octave.py
@@ -2,8 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
-
 import spack.builder
 import spack.package_base
 from spack.directives import build_system, extends
@@ -47,7 +45,7 @@ class OctaveBuilder(BaseBuilder):
 
     def install(self, pkg, spec, prefix):
         """Install the package from the archive file"""
-        inspect.getmodule(self.pkg).octave(
+        pkg.module.octave(
             "--quiet",
             "--norc",
             "--built-in-docstrings-file=/dev/null",
diff --git a/lib/spack/spack/build_systems/perl.py b/lib/spack/spack/build_systems/perl.py
index 773a6a98e6..4caab7131b 100644
--- a/lib/spack/spack/build_systems/perl.py
+++ b/lib/spack/spack/build_systems/perl.py
@@ -2,7 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
 import os
 from typing import Iterable
 
@@ -134,7 +133,7 @@ class PerlBuilder(BaseBuilder):
     def build_executable(self):
         """Returns the executable method to build the perl package"""
         if self.build_method == "Makefile.PL":
-            build_executable = inspect.getmodule(self.pkg).make
+            build_executable = self.pkg.module.make
         elif self.build_method == "Build.PL":
             build_executable = Executable(os.path.join(self.pkg.stage.source_path, "Build"))
         return build_executable
@@ -158,7 +157,7 @@ class PerlBuilder(BaseBuilder):
             options = ["Build.PL", "--install_base", prefix]
         options += self.configure_args()
 
-        inspect.getmodule(self.pkg).perl(*options)
+        pkg.module.perl(*options)
 
     # It is possible that the shebang in the Build script that is created from
     # Build.PL may be too long causing the build to fail. Patching the shebang
diff --git a/lib/spack/spack/build_systems/python.py b/lib/spack/spack/build_systems/python.py
index 969d5f5b03..bd0c57520c 100644
--- a/lib/spack/spack/build_systems/python.py
+++ b/lib/spack/spack/build_systems/python.py
@@ -4,7 +4,6 @@
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 import functools
-import inspect
 import operator
 import os
 import re
@@ -228,7 +227,7 @@ class PythonExtension(spack.package_base.PackageBase):
 
         # Make sure we are importing the installed modules,
         # not the ones in the source directory
-        python = inspect.getmodule(self).python  # type: ignore[union-attr]
+        python = self.module.python
         for module in self.import_modules:
             with test_part(
                 self,
diff --git a/lib/spack/spack/build_systems/qmake.py b/lib/spack/spack/build_systems/qmake.py
index a1e679b50c..75ad3860b4 100644
--- a/lib/spack/spack/build_systems/qmake.py
+++ b/lib/spack/spack/build_systems/qmake.py
@@ -2,8 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
-
 from llnl.util.filesystem import working_dir
 
 import spack.builder
@@ -66,17 +64,17 @@ class QMakeBuilder(BaseBuilder):
     def qmake(self, pkg, spec, prefix):
         """Run ``qmake`` to configure the project and generate a Makefile."""
         with working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).qmake(*self.qmake_args())
+            pkg.module.qmake(*self.qmake_args())
 
     def build(self, pkg, spec, prefix):
         """Make the build targets"""
         with working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).make()
+            pkg.module.make()
 
     def install(self, pkg, spec, prefix):
         """Make the install targets"""
         with working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).make("install")
+            pkg.module.make("install")
 
     def check(self):
         """Search the Makefile for a ``check:`` target and runs it if found."""
diff --git a/lib/spack/spack/build_systems/r.py b/lib/spack/spack/build_systems/r.py
index 5154f5a42d..9950d67048 100644
--- a/lib/spack/spack/build_systems/r.py
+++ b/lib/spack/spack/build_systems/r.py
@@ -2,7 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
 from typing import Optional, Tuple
 
 import llnl.util.lang as lang
@@ -51,7 +50,7 @@ class RBuilder(GenericBuilder):
 
         args.extend(["--library={0}".format(self.pkg.module.r_lib_dir), self.stage.source_path])
 
-        inspect.getmodule(self.pkg).R(*args)
+        pkg.module.R(*args)
 
 
 class RPackage(Package):
diff --git a/lib/spack/spack/build_systems/ruby.py b/lib/spack/spack/build_systems/ruby.py
index 0f069e99f2..77d7ef289c 100644
--- a/lib/spack/spack/build_systems/ruby.py
+++ b/lib/spack/spack/build_systems/ruby.py
@@ -3,7 +3,6 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 import glob
-import inspect
 
 import spack.builder
 import spack.package_base
@@ -52,10 +51,10 @@ class RubyBuilder(BaseBuilder):
         gemspecs = glob.glob("*.gemspec")
         rakefiles = glob.glob("Rakefile")
         if gemspecs:
-            inspect.getmodule(self.pkg).gem("build", "--norc", gemspecs[0])
+            pkg.module.gem("build", "--norc", gemspecs[0])
         elif rakefiles:
-            jobs = inspect.getmodule(self.pkg).make_jobs
-            inspect.getmodule(self.pkg).rake("package", "-j{0}".format(jobs))
+            jobs = pkg.module.make_jobs
+            pkg.module.rake("package", "-j{0}".format(jobs))
         else:
             # Some Ruby packages only ship `*.gem` files, so nothing to build
             pass
@@ -70,6 +69,6 @@ class RubyBuilder(BaseBuilder):
             # if --install-dir is not used, GEM_PATH is deleted from the
             # environement, and Gems required to build native extensions will
             # not be found. Those extensions are built during `gem install`.
-            inspect.getmodule(self.pkg).gem(
+            pkg.module.gem(
                 "install", "--norc", "--ignore-dependencies", "--install-dir", prefix, gems[0]
             )
diff --git a/lib/spack/spack/build_systems/scons.py b/lib/spack/spack/build_systems/scons.py
index 0d2ea175a1..4a32b690f7 100644
--- a/lib/spack/spack/build_systems/scons.py
+++ b/lib/spack/spack/build_systems/scons.py
@@ -2,8 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
-
 import spack.builder
 import spack.package_base
 from spack.directives import build_system, depends_on
@@ -63,8 +61,7 @@ class SConsBuilder(BaseBuilder):
 
     def build(self, pkg, spec, prefix):
         """Build the package."""
-        args = self.build_args(spec, prefix)
-        inspect.getmodule(self.pkg).scons(*args)
+        pkg.module.scons(*self.build_args(spec, prefix))
 
     def install_args(self, spec, prefix):
         """Arguments to pass to install."""
@@ -72,9 +69,7 @@ class SConsBuilder(BaseBuilder):
 
     def install(self, pkg, spec, prefix):
         """Install the package."""
-        args = self.install_args(spec, prefix)
-
-        inspect.getmodule(self.pkg).scons("install", *args)
+        pkg.module.scons("install", *self.install_args(spec, prefix))
 
     def build_test(self):
         """Run unit tests after build.
diff --git a/lib/spack/spack/build_systems/sip.py b/lib/spack/spack/build_systems/sip.py
index f1263c12a6..f297c59a00 100644
--- a/lib/spack/spack/build_systems/sip.py
+++ b/lib/spack/spack/build_systems/sip.py
@@ -2,7 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
 import os
 import re
 
@@ -86,14 +85,13 @@ class SIPPackage(spack.package_base.PackageBase):
 
     def python(self, *args, **kwargs):
         """The python ``Executable``."""
-        inspect.getmodule(self).python(*args, **kwargs)
+        self.pkg.module.python(*args, **kwargs)
 
     def test_imports(self):
         """Attempts to import modules of the installed package."""
 
         # Make sure we are importing the installed modules,
         # not the ones in the source directory
-        python = inspect.getmodule(self).python
         for module in self.import_modules:
             with spack.install_test.test_part(
                 self,
@@ -101,7 +99,7 @@ class SIPPackage(spack.package_base.PackageBase):
                 purpose="checking import of {0}".format(module),
                 work_dir="spack-test",
             ):
-                python("-c", "import {0}".format(module))
+                self.python("-c", "import {0}".format(module))
 
 
 @spack.builder.builder("sip")
@@ -136,7 +134,7 @@ class SIPBuilder(BaseBuilder):
         """Configure the package."""
 
         # https://www.riverbankcomputing.com/static/Docs/sip/command_line_tools.html
-        args = ["--verbose", "--target-dir", inspect.getmodule(self.pkg).python_platlib]
+        args = ["--verbose", "--target-dir", pkg.module.python_platlib]
         args.extend(self.configure_args())
 
         # https://github.com/Python-SIP/sip/commit/cb0be6cb6e9b756b8b0db3136efb014f6fb9b766
@@ -155,7 +153,7 @@ class SIPBuilder(BaseBuilder):
         args = self.build_args()
 
         with working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).make(*args)
+            pkg.module.make(*args)
 
     def build_args(self):
         """Arguments to pass to build."""
@@ -166,7 +164,7 @@ class SIPBuilder(BaseBuilder):
         args = self.install_args()
 
         with working_dir(self.build_directory):
-            inspect.getmodule(self.pkg).make("install", *args)
+            pkg.module.make("install", *args)
 
     def install_args(self):
         """Arguments to pass to install."""
diff --git a/lib/spack/spack/build_systems/waf.py b/lib/spack/spack/build_systems/waf.py
index 0fd78d48da..a0110c5c34 100644
--- a/lib/spack/spack/build_systems/waf.py
+++ b/lib/spack/spack/build_systems/waf.py
@@ -2,8 +2,6 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
-import inspect
-
 from llnl.util.filesystem import working_dir
 
 import spack.builder
@@ -90,11 +88,11 @@ class WafBuilder(BaseBuilder):
 
     def python(self, *args, **kwargs):
         """The python ``Executable``."""
-        inspect.getmodule(self.pkg).python(*args, **kwargs)
+        self.pkg.module.python(*args, **kwargs)
 
     def waf(self, *args, **kwargs):
         """Runs the waf ``Executable``."""
-        jobs = inspect.getmodule(self.pkg).make_jobs
+        jobs = self.pkg.module.make_jobs
 
         with working_dir(self.build_directory):
             self.python("waf", "-j{0}".format(jobs), *args, **kwargs)
diff --git a/lib/spack/spack/builder.py b/lib/spack/spack/builder.py
index 2f947335a8..7590016c33 100644
--- a/lib/spack/spack/builder.py
+++ b/lib/spack/spack/builder.py
@@ -6,7 +6,6 @@ import collections
 import collections.abc
 import copy
 import functools
-import inspect
 from typing import List, Optional, Tuple
 
 from llnl.util import lang
@@ -97,11 +96,10 @@ def _create(pkg):
     Args:
         pkg (spack.package_base.PackageBase): package object for which we need a builder
     """
-    package_module = inspect.getmodule(pkg)
     package_buildsystem = buildsystem_name(pkg)
     default_builder_cls = BUILDER_CLS[package_buildsystem]
     builder_cls_name = default_builder_cls.__name__
-    builder_cls = getattr(package_module, builder_cls_name, None)
+    builder_cls = getattr(pkg.module, builder_cls_name, None)
     if builder_cls:
         return builder_cls(pkg)
 
diff --git a/lib/spack/spack/package_base.py b/lib/spack/spack/package_base.py
index 681b079706..65c9e856bb 100644
--- a/lib/spack/spack/package_base.py
+++ b/lib/spack/spack/package_base.py
@@ -16,7 +16,6 @@ import functools
 import glob
 import hashlib
 import importlib
-import inspect
 import io
 import os
 import re
@@ -1744,7 +1743,7 @@ class PackageBase(WindowsRPath, PackageViewMixin, RedistributionMixin, metaclass
             bool: True if 'target' is found, else False
         """
         # Prevent altering LC_ALL for 'make' outside this function
-        make = copy.deepcopy(inspect.getmodule(self).make)
+        make = copy.deepcopy(self.module.make)
 
         # Use English locale for missing target message comparison
         make.add_default_env("LC_ALL", "C")
@@ -1794,7 +1793,7 @@ class PackageBase(WindowsRPath, PackageViewMixin, RedistributionMixin, metaclass
         """
         if self._has_make_target(target):
             # Execute target
-            inspect.getmodule(self).make(target, *args, **kwargs)
+            self.module.make(target, *args, **kwargs)
 
     def _has_ninja_target(self, target):
         """Checks to see if 'target' is a valid target in a Ninja build script.
@@ -1805,7 +1804,7 @@ class PackageBase(WindowsRPath, PackageViewMixin, RedistributionMixin, metaclass
         Returns:
             bool: True if 'target' is found, else False
         """
-        ninja = inspect.getmodule(self).ninja
+        ninja = self.module.ninja
 
         # Check if we have a Ninja build script
         if not os.path.exists("build.ninja"):
@@ -1834,7 +1833,7 @@ class PackageBase(WindowsRPath, PackageViewMixin, RedistributionMixin, metaclass
         """
         if self._has_ninja_target(target):
             # Execute target
-            inspect.getmodule(self).ninja(target, *args, **kwargs)
+            self.module.ninja(target, *args, **kwargs)
 
     def _get_needed_resources(self):
         # We use intersects here cause it would also work if self.spec is abstract
diff --git a/lib/spack/spack/test/build_environment.py b/lib/spack/spack/test/build_environment.py
index 3d3bbf27cd..3ae41acc9c 100644
--- a/lib/spack/spack/test/build_environment.py
+++ b/lib/spack/spack/test/build_environment.py
@@ -592,7 +592,7 @@ class TestModuleMonkeyPatcher:
 
         # We can also propagate the settings to classes in the MRO
         module_wrapper.propagate_changes_to_mro()
-        for cls in type(s.package).__mro__:
+        for cls in s.package.__class__.__mro__:
             current_module = cls.module
             if current_module == spack.package_base:
                 break
diff --git a/lib/spack/spack/test/concretize.py b/lib/spack/spack/test/concretize.py
index 66ae350bcd..eaef82930d 100644
--- a/lib/spack/spack/test/concretize.py
+++ b/lib/spack/spack/test/concretize.py
@@ -775,15 +775,15 @@ class TestConcretize:
         s = Spec("mpileaks")
         s.concretize()
 
-        assert llnl.util.lang.ObjectWrapper not in type(s).__mro__
+        assert llnl.util.lang.ObjectWrapper not in s.__class__.__mro__
 
         # Spec wrapped in a build interface
         build_interface = s["mpileaks"]
-        assert llnl.util.lang.ObjectWrapper in type(build_interface).__mro__
+        assert llnl.util.lang.ObjectWrapper in build_interface.__class__.__mro__
 
         # Mimics asking the build interface from a build interface
         build_interface = s["mpileaks"]["mpileaks"]
-        assert llnl.util.lang.ObjectWrapper in type(build_interface).__mro__
+        assert llnl.util.lang.ObjectWrapper in build_interface.__class__.__mro__
 
     @pytest.mark.regression("7705")
     def test_regression_issue_7705(self):