diff options
Diffstat (limited to 'numpy/linalg/lapack_lite/make_lite.py')
| -rwxr-xr-x | numpy/linalg/lapack_lite/make_lite.py | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/numpy/linalg/lapack_lite/make_lite.py b/numpy/linalg/lapack_lite/make_lite.py index 09ffaf840..ca8d4c62c 100755 --- a/numpy/linalg/lapack_lite/make_lite.py +++ b/numpy/linalg/lapack_lite/make_lite.py @@ -1,4 +1,5 @@ -#!/usr/bin/env python3 +#!/usr/bin/env python2.7 +# WARNING! This a Python 2 script. Read README.rst for rationale. """ Usage: make_lite.py <wrapped_routines_file> <lapack_dir> @@ -20,7 +21,10 @@ import shutil import fortran import clapack_scrub -from shutil import which +try: + from distutils.spawn import find_executable as which # Python 2 +except ImportError: + from shutil import which # Python 3 # Arguments to pass to f2c. You'll always want -A for ANSI C prototypes # Others of interest: -a to not make variables static by default @@ -81,7 +85,8 @@ class FortranRoutine: return self._dependencies def __repr__(self): - return f'FortranRoutine({self.name!r}, filename={self.filename!r})' + return "FortranRoutine({!r}, filename={!r})".format(self.name, + self.filename) class UnknownFortranRoutine(FortranRoutine): """Wrapper for a Fortran routine for which the corresponding file @@ -193,7 +198,7 @@ class LapackLibrary(FortranLibrary): def printRoutineNames(desc, routines): print(desc) for r in routines: - print(f'\t{r.name}') + print('\t%s' % r.name) def getLapackRoutines(wrapped_routines, ignores, lapack_dir): blas_src_dir = os.path.join(lapack_dir, 'BLAS', 'SRC') @@ -243,7 +248,7 @@ def dumpRoutineNames(library, output_dir): with open(filename, 'w') as fo: for r in routines: deps = r.dependencies() - fo.write(f"{r.name}: {' '.join(deps)}\n") + fo.write('%s: %s\n' % (r.name, ' '.join(deps))) def concatenateRoutines(routines, output_file): with open(output_file, 'w') as output_fo: @@ -261,8 +266,8 @@ def runF2C(fortran_filename, output_dir): subprocess.check_call( ["f2c"] + F2C_ARGS + ['-d', output_dir, fortran_filename] ) - except subprocess.CalledProcessError as e: - raise F2CError from e + except subprocess.CalledProcessError: + raise F2CError def scrubF2CSource(c_file): with open(c_file) as fo: @@ -275,8 +280,8 @@ def scrubF2CSource(c_file): def ensure_executable(name): try: which(name) - except Exception as ex: - raise SystemExit(name + ' not found') from ex + except Exception: + raise SystemExit(name + ' not found') def create_name_header(output_dir): routine_re = re.compile(r'^ (subroutine|.* function)\s+(\w+)\(.*$', @@ -316,13 +321,13 @@ def create_name_header(output_dir): # Rename BLAS/LAPACK symbols for name in sorted(symbols): - f.write(f'#define {name}_ BLAS_FUNC({name})\n') + f.write("#define %s_ BLAS_FUNC(%s)\n" % (name, name)) # Rename also symbols that f2c exports itself f.write("\n" "/* Symbols exported by f2c.c */\n") for name in sorted(f2c_symbols): - f.write(f'#define {name} numpy_lapack_lite_{name}\n') + f.write("#define %s numpy_lapack_lite_%s\n" % (name, name)) def main(): if len(sys.argv) != 3: @@ -336,10 +341,7 @@ def main(): lapack_src_dir = sys.argv[2] output_dir = os.path.join(os.path.dirname(__file__), 'build') - try: - shutil.rmtree(output_dir) - except: - pass + shutil.rmtree(output_dir, ignore_errors=True) os.makedirs(output_dir) wrapped_routines, ignores = getWrappedRoutineNames(wrapped_routines_file) @@ -348,9 +350,9 @@ def main(): dumpRoutineNames(library, output_dir) for typename in types: - fortran_file = os.path.join(output_dir, f'f2c_{typename}.f') + fortran_file = os.path.join(output_dir, 'f2c_%s.f' % typename) c_file = fortran_file[:-2] + '.c' - print(f'creating {c_file} ...') + print('creating %s ...' % c_file) routines = library.allRoutinesByType(typename) concatenateRoutines(routines, fortran_file) @@ -358,11 +360,11 @@ def main(): patch_file = os.path.basename(fortran_file) + '.patch' if os.path.exists(patch_file): subprocess.check_call(['patch', '-u', fortran_file, patch_file]) - print(f'Patched {fortran_file}') + print("Patched {}".format(fortran_file)) try: runF2C(fortran_file, output_dir) except F2CError: - print(f'f2c failed on {fortran_file}') + print('f2c failed on %s' % fortran_file) break scrubF2CSource(c_file) |