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Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile.

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Georg Brandl 2010-12-04 10:26:46 +00:00
parent 427d3149eb
commit 8334fd9285
17 changed files with 280 additions and 97 deletions
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25
Lib/compileall.py
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@ -19,8 +19,8 @@ import struct
__all__ = ["compile_dir","compile_file","compile_path"]
def compile_dir(dir, maxlevels=10, ddir=None,
force=False, rx=None, quiet=False, legacy=False):
def compile_dir(dir, maxlevels=10, ddir=None, force=False, rx=None,
quiet=False, legacy=False, optimize=-1):
"""Byte-compile all modules in the given directory tree.
Arguments (only dir is required):
@ -32,6 +32,7 @@ def compile_dir(dir, maxlevels=10, ddir=None,
force: if True, force compilation, even if timestamps are up-to-date
quiet: if True, be quiet during compilation
legacy: if True, produce legacy pyc paths instead of PEP 3147 paths
optimize: optimization level or -1 for level of the interpreter
"""
if not quiet:
print('Listing', dir, '...')
@ -51,7 +52,8 @@ def compile_dir(dir, maxlevels=10, ddir=None,
else:
dfile = None
if not os.path.isdir(fullname):
if not compile_file(fullname, ddir, force, rx, quiet, legacy):
if not compile_file(fullname, ddir, force, rx, quiet,
legacy, optimize):
success = 0
elif (maxlevels > 0 and name != os.curdir and name != os.pardir and
os.path.isdir(fullname) and not os.path.islink(fullname)):
@ -61,7 +63,7 @@ def compile_dir(dir, maxlevels=10, ddir=None,
return success
def compile_file(fullname, ddir=None, force=0, rx=None, quiet=False,
legacy=False):
legacy=False, optimize=-1):
"""Byte-compile file.
fullname: the file to byte-compile
ddir: if given, purported directory name (this is the
@ -69,6 +71,7 @@ def compile_file(fullname, ddir=None, force=0, rx=None, quiet=False,
force: if True, force compilation, even if timestamps are up-to-date
quiet: if True, be quiet during compilation
legacy: if True, produce legacy pyc paths instead of PEP 3147 paths
optimize: optimization level or -1 for level of the interpreter
"""
success = 1
name = os.path.basename(fullname)
@ -84,7 +87,11 @@ def compile_file(fullname, ddir=None, force=0, rx=None, quiet=False,
if legacy:
cfile = fullname + ('c' if __debug__ else 'o')
else:
cfile = imp.cache_from_source(fullname)
if optimize >= 0:
cfile = imp.cache_from_source(fullname,
debug_override=not optimize)
else:
cfile = imp.cache_from_source(fullname)
cache_dir = os.path.dirname(cfile)
head, tail = name[:-3], name[-3:]
if tail == '.py':
@ -101,7 +108,8 @@ def compile_file(fullname, ddir=None, force=0, rx=None, quiet=False,
if not quiet:
print('Compiling', fullname, '...')
try:
ok = py_compile.compile(fullname, cfile, dfile, True)
ok = py_compile.compile(fullname, cfile, dfile, True,
optimize=optimize)
except py_compile.PyCompileError as err:
if quiet:
print('*** Error compiling', fullname, '...')
@ -126,7 +134,7 @@ def compile_file(fullname, ddir=None, force=0, rx=None, quiet=False,
return success
def compile_path(skip_curdir=1, maxlevels=0, force=False, quiet=False,
legacy=False):
legacy=False, optimize=-1):
"""Byte-compile all module on sys.path.
Arguments (all optional):
@ -136,6 +144,7 @@ def compile_path(skip_curdir=1, maxlevels=0, force=False, quiet=False,
force: as for compile_dir() (default False)
quiet: as for compile_dir() (default False)
legacy: as for compile_dir() (default False)
optimize: as for compile_dir() (default -1)
"""
success = 1
for dir in sys.path:
@ -144,7 +153,7 @@ def compile_path(skip_curdir=1, maxlevels=0, force=False, quiet=False,
else:
success = success and compile_dir(dir, maxlevels, None,
force, quiet=quiet,
legacy=legacy)
legacy=legacy, optimize=optimize)
return success