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authorIan Rogers <irogers@google.com>2025-03-11 14:36:28 -0700
committerNamhyung Kim <namhyung@kernel.org>2025-03-24 09:38:20 -0700
commitba3b0861edc5ec7754872ce7426d86642fd4d44a (patch)
treed735d56c22dc96b86cef0d102308080214285f8b /tools/perf
parent21944462d5a90e1b87637a5f2fa3f5d76bbc042b (diff)
perf python: Fix setup.py mypy errors
getenv may return None, so assert it isn't None for CC and srctree environmental variables required for the script. Disable an optional warning related to Popen. Reviewed-by: James Clark <james.clark@linaro.org> Signed-off-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20250311213628.569562-7-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/setup.py10
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index 649550e9b7aa..dd289d15acfd 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -3,6 +3,7 @@ from subprocess import Popen, PIPE
from re import sub
cc = getenv("CC")
+assert cc, "Environment variable CC not set"
# Check if CC has options, as is the case in yocto, where it uses CC="cc --sysroot..."
cc_tokens = cc.split()
@@ -12,8 +13,13 @@ if len(cc_tokens) > 1:
else:
cc_options = ""
+# ignore optional stderr could be None as it is set to PIPE to avoid that.
+# mypy: disable-error-code="union-attr"
cc_is_clang = b"clang version" in Popen([cc, "-v"], stderr=PIPE).stderr.readline()
-src_feature_tests = getenv('srctree') + '/tools/build/feature'
+
+srctree = getenv('srctree')
+assert srctree, "Environment variable srctree, for the Linux sources, not set"
+src_feature_tests = f'{srctree}/tools/build/feature'
def clang_has_option(option):
cc_output = Popen([cc, cc_options + option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines()
@@ -71,7 +77,7 @@ else:
# The python headers have mixed code with declarations (decls after asserts, for instance)
cflags += [ "-Wno-declaration-after-statement" ]
-src_perf = getenv('srctree') + '/tools/perf'
+src_perf = f'{srctree}/tools/perf'
build_lib = getenv('PYTHON_EXTBUILD_LIB')
build_tmp = getenv('PYTHON_EXTBUILD_TMP')