def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
python类dont_write_bytecode()的实例源码
def main(import_):
__builtins__.__import__ = import_
benchmarks = (from_cache, builtin_mod,
source_using_bytecode, source_wo_bytecode,
source_writing_bytecode,
decimal_using_bytecode, decimal_writing_bytecode,
decimal_wo_bytecode,)
seconds = 1
seconds_plural = 's' if seconds > 1 else ''
repeat = 3
header = "Measuring imports/second over {} second{}, best out of {}\n"
print(header.format(seconds, seconds_plural, repeat))
for benchmark in benchmarks:
print(benchmark.__doc__, "[", end=' ')
sys.stdout.flush()
results = []
for result in benchmark(seconds=seconds, repeat=repeat):
results.append(result)
print(result, end=' ')
sys.stdout.flush()
assert not sys.dont_write_bytecode
print("]", "best is", format(max(results), ',d'))
def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def byte_compile(self, to_compile):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run,
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def byte_compile(self, files):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
# Get the "--root" directory supplied to the "install" command,
# and use it as a prefix to strip off the purported filename
# encoded in bytecode files. This is far from complete, but it
# should at least generate usable bytecode in RPM distributions.
install_root = self.get_finalized_command('install').root
if self.compile:
byte_compile(files, optimize=0,
force=self.force, prefix=install_root,
dry_run=self.dry_run)
if self.optimize > 0:
byte_compile(files, optimize=self.optimize,
force=self.force, prefix=install_root,
verbose=self.verbose, dry_run=self.dry_run)
# -- Utility methods -----------------------------------------------
def byte_compile(self, files):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
prefix = self.build_lib
if prefix[-1] != os.sep:
prefix = prefix + os.sep
# XXX this code is essentially the same as the 'byte_compile()
# method of the "install_lib" command, except for the determination
# of the 'prefix' string. Hmmm.
if self.compile:
byte_compile(files, optimize=0,
force=self.force, prefix=prefix, dry_run=self.dry_run)
if self.optimize > 0:
byte_compile(files, optimize=self.optimize,
force=self.force, prefix=prefix, dry_run=self.dry_run)
def _check_module(self, depth):
pkg_dir, mod_fname, mod_name = (
self._make_pkg("x=1\n", depth))
forget(mod_name)
try:
if verbose: print "Running from source:", mod_name
d1 = run_module(mod_name) # Read from source
self.assertIn("x", d1)
self.assertTrue(d1["x"] == 1)
del d1 # Ensure __loader__ entry doesn't keep file open
__import__(mod_name)
os.remove(mod_fname)
if not sys.dont_write_bytecode:
if verbose: print "Running from compiled:", mod_name
d2 = run_module(mod_name) # Read from bytecode
self.assertIn("x", d2)
self.assertTrue(d2["x"] == 1)
del d2 # Ensure __loader__ entry doesn't keep file open
finally:
self._del_pkg(pkg_dir, depth, mod_name)
if verbose: print "Module executed successfully"
def _check_package(self, depth):
pkg_dir, mod_fname, mod_name = (
self._make_pkg("x=1\n", depth, "__main__"))
pkg_name, _, _ = mod_name.rpartition(".")
forget(mod_name)
try:
if verbose: print "Running from source:", pkg_name
d1 = run_module(pkg_name) # Read from source
self.assertIn("x", d1)
self.assertTrue(d1["x"] == 1)
del d1 # Ensure __loader__ entry doesn't keep file open
__import__(mod_name)
os.remove(mod_fname)
if not sys.dont_write_bytecode:
if verbose: print "Running from compiled:", pkg_name
d2 = run_module(pkg_name) # Read from bytecode
self.assertIn("x", d2)
self.assertTrue(d2["x"] == 1)
del d2 # Ensure __loader__ entry doesn't keep file open
finally:
self._del_pkg(pkg_dir, depth, pkg_name)
if verbose: print "Package executed successfully"
def byte_compile(self, files):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
# Get the "--root" directory supplied to the "install" command,
# and use it as a prefix to strip off the purported filename
# encoded in bytecode files. This is far from complete, but it
# should at least generate usable bytecode in RPM distributions.
install_root = self.get_finalized_command('install').root
if self.compile:
byte_compile(files, optimize=0,
force=self.force, prefix=install_root,
dry_run=self.dry_run)
if self.optimize > 0:
byte_compile(files, optimize=self.optimize,
force=self.force, prefix=install_root,
verbose=self.verbose, dry_run=self.dry_run)
# -- Utility methods -----------------------------------------------
def byte_compile(self, files):
if sys.dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
prefix = self.build_lib
if prefix[-1] != os.sep:
prefix = prefix + os.sep
# XXX this code is essentially the same as the 'byte_compile()
# method of the "install_lib" command, except for the determination
# of the 'prefix' string. Hmmm.
if self.compile:
byte_compile(files, optimize=0,
force=self.force, prefix=prefix, dry_run=self.dry_run)
if self.optimize > 0:
byte_compile(files, optimize=self.optimize,
force=self.force, prefix=prefix, dry_run=self.dry_run)
def _check_module(self, depth):
pkg_dir, mod_fname, mod_name = (
self._make_pkg("x=1\n", depth))
forget(mod_name)
try:
if verbose: print "Running from source:", mod_name
d1 = run_module(mod_name) # Read from source
self.assertIn("x", d1)
self.assertTrue(d1["x"] == 1)
del d1 # Ensure __loader__ entry doesn't keep file open
__import__(mod_name)
os.remove(mod_fname)
if not sys.dont_write_bytecode:
if verbose: print "Running from compiled:", mod_name
d2 = run_module(mod_name) # Read from bytecode
self.assertIn("x", d2)
self.assertTrue(d2["x"] == 1)
del d2 # Ensure __loader__ entry doesn't keep file open
finally:
self._del_pkg(pkg_dir, depth, mod_name)
if verbose: print "Module executed successfully"
