chore: use proper file reading APIs

Author: cpcloud

toolshed/build_pathfinder_dlls.py

@@ -11,6 +11,7 @@
 
 import collections
 import sys
+from pathlib import Path
 
 # ATTENTION: Ambiguous shorter names need to appear after matching longer names
 #            (e.g. "cufft" after "cufftw")
@@ -61,7 +62,7 @@ def is_suppressed_dll(libname, dll):
 def run(args):
     dlls_from_files = set()
     for filename in args:
-        lines_iter = iter(open(filename).read().splitlines())
+        lines_iter = iter(Path(filename).read_text().splitlines())
         for line in lines_iter:
             if line.startswith("-------------------"):
                 break

toolshed/build_pathfinder_sonames.py

@@ -10,6 +10,7 @@
 # The output of this script is expected to be usable as-is.
 
 import sys
+from pathlib import Path
 
 LIBNAMES_IN_SCOPE_OF_CUDA_PATHFINDER = (
     "nvJitLink",
@@ -47,7 +48,7 @@ def run(args):
     assert len(args) == 1, "output-of-find_sonames.sh"
 
     sonames_from_file = set()
-    for line in open(args[0]).read().splitlines():
+    for line in Path(args[0]).read_text().splitlines():
         flds = line.split()
         assert len(flds) == 3, flds
         if flds[-1] != "SONAME_NOT_SET":

toolshed/reformat_cuda_enums_as_py.py

@@ -4,6 +4,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import sys
+from pathlib import Path
 
 
 def extract_enum_block(header_file_lines):
@@ -101,7 +102,7 @@ def run(args):
         )
         sys.exit(1)
 
-    header_file_text = open(sys.argv[1]).read().splitlines()
+    header_file_text = Path(sys.argv[1]).read_text().splitlines()
     python_dict_name, enum_block = extract_enum_block(header_file_text)
     entries = parse_enum_doc_and_value_pairs(enum_block)
     emit_python_dict(python_dict_name, entries)