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Allow profiling code invoked with ~ in the path. #653

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merged 1 commit into from
Aug 10, 2023
Merged

Allow profiling code invoked with ~ in the path. #653

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14 changes: 8 additions & 6 deletions scalene/scalene_profiler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2029,20 +2029,22 @@ def run_profiler(
progs.extend((sys.argv[0], __file__))
if not progs:
raise FileNotFoundError
with open(progs[0], "r", encoding="utf-8") as prog_being_profiled:
# Use the full absolute path of the program being profiled, expanding ~ if need be.
prog_name = os.path.abspath(os.path.expanduser(progs[0]))
with open(prog_name, "r", encoding="utf-8") as prog_being_profiled:
# Read in the code and compile it.
code: Any = ""
try:
code = compile(
prog_being_profiled.read(),
os.path.abspath(progs[0]),
prog_name,
"exec",
)
except SyntaxError:
traceback.print_exc()
sys.exit(1)
# Push the program's path.
program_path = os.path.dirname(os.path.abspath(progs[0]))
program_path = os.path.dirname(prog_name)
if not module:
sys.path.insert(0, program_path)

Expand All @@ -2068,13 +2070,13 @@ def run_profiler(
the_locals = __main__.__dict__
the_globals = __main__.__dict__
# Splice in the name of the file being executed instead of the profiler.
the_globals["__file__"] = os.path.abspath(progs[0])
the_globals["__file__"] = prog_name
# Some mysterious module foo to make this work the same with -m as with `scalene`.
the_globals["__spec__"] = None
# Do a GC before we start.
gc.collect()
# Start the profiler.
profiler = Scalene(args, Filename(os.path.abspath(progs[0])))
profiler = Scalene(args, Filename(prog_name))
try:
# We exit with this status (returning error code as appropriate).
exit_status = profiler.profile_code(
Expand All @@ -2095,7 +2097,7 @@ def run_profiler(
print(traceback.format_exc())
except (FileNotFoundError, IOError):
if progs:
print(f"Scalene: could not find input file {progs[0]}")
print(f"Scalene: could not find input file {prog_name}")
else:
print("Scalene: no input file specified.")
sys.exit(1)
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