[libcxx-commits] [libcxx] fix(libcxx/**.py): fix invalid escape sequences (PR #94032)

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``````````bash
darker --check --diff -r fc21387b6510ee44520f2f17fb671f1265a9055f...29b21653f7d88babe7030c37d2f9fb457b47c37f libcxx/test/libcxx/transitive_includes.gen.py libcxx/utils/generate_escaped_output_table.py libcxx/utils/generate_width_estimation_table.py
``````````

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View the diff from darker here.
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``````````diff
--- test/libcxx/transitive_includes.gen.py	2024-05-31 19:40:43.000000 +0000
+++ test/libcxx/transitive_includes.gen.py	2024-06-01 16:37:06.413866 +0000
@@ -31,39 +31,46 @@
 # Note that this needs to be done for all supported language versions of libc++:
 # for std in c++03 c++11 c++14 c++17 c++20 c++23 c++26; do <build>/bin/llvm-lit --param std=$std libcxx/test/libcxx/transitive_includes.gen.py; done
 regenerate_expected_results = False
 
 if regenerate_expected_results:
-  print(f"""\
+    print(
+        f"""\
 //--- generate-transitive-includes.sh.cpp
 // RUN: mkdir %t
-""")
+"""
+    )
 
-  all_traces = []
-  for header in sorted(public_headers):
-    if header.endswith('.h'): # Skip C compatibility or detail headers
-      continue
+    all_traces = []
+    for header in sorted(public_headers):
+        if header.endswith(".h"):  # Skip C compatibility or detail headers
+            continue
 
-    normalized_header = re.sub('/', '_', header)
-    print(f"""\
+        normalized_header = re.sub("/", "_", header)
+        print(
+            f"""\
 // RUN: echo "#include <{header}>" | %{{cxx}} -xc++ - %{{flags}} %{{compile_flags}} --trace-includes -fshow-skipped-includes --preprocess > /dev/null 2> %t/trace-includes.{normalized_header}.txt
-""")
-    all_traces.append(f'%t/trace-includes.{normalized_header}.txt')
+"""
+        )
+        all_traces.append(f"%t/trace-includes.{normalized_header}.txt")
 
-  print(f"""\
+    print(
+        f"""\
 // RUN: %{{python}} %{{libcxx-dir}}/test/libcxx/transitive_includes_to_csv.py {' '.join(all_traces)} > %{{libcxx-dir}}/test/libcxx/transitive_includes/%{{cxx_std}}.csv
-""")
+"""
+    )
 
 else:
-  for header in public_headers:
-    if header.endswith('.h'): # Skip C compatibility or detail headers
-      continue
+    for header in public_headers:
+        if header.endswith(".h"):  # Skip C compatibility or detail headers
+            continue
 
-    # Escape slashes for the awk command below
-    escaped_header = header.replace('/', r'\/')
+        # Escape slashes for the awk command below
+        escaped_header = header.replace("/", r"\/")
 
-    print(f"""\
+        print(
+            f"""\
 //--- {header}.sh.cpp
 {lit_header_restrictions.get(header, '')}
 
 // TODO: Fix this test to make it work with localization or wide characters disabled
 // UNSUPPORTED: no-localization, no-wide-characters, no-threads, no-filesystem, libcpp-has-no-experimental-tzdb, no-tzdb
@@ -87,6 +94,7 @@
 // RUN: %{{cxx}} %s %{{flags}} %{{compile_flags}} --trace-includes -fshow-skipped-includes --preprocess > /dev/null 2> %t/trace-includes.txt
 // RUN: %{{python}} %{{libcxx-dir}}/test/libcxx/transitive_includes_to_csv.py %t/trace-includes.txt > %t/actual_transitive_includes.csv
 // RUN: cat %{{libcxx-dir}}/test/libcxx/transitive_includes/%{{cxx_std}}.csv | awk '/^{escaped_header} / {{ print }}' > %t/expected_transitive_includes.csv
 // RUN: diff -w %t/expected_transitive_includes.csv %t/actual_transitive_includes.csv
 #include <{header}>
-""")
+"""
+        )

``````````

</details>


https://github.com/llvm/llvm-project/pull/94032