sysconfig — 解释器编译时间配置

Configuration Variables

# sysconfig_get_config_vars.py
import sysconfig

config_values = sysconfig.get_config_vars()
print('Found {} configuration settings'.format(
    len(config_values.keys())))

print('\nSome highlights:\n')

print(' Installation prefixes:')
print('  prefix={prefix}'.format(**config_values))
print('  exec_prefix={exec_prefix}'.format(**config_values))

print('\n Version info:')
print('  py_version={py_version}'.format(**config_values))
print('  py_version_short={py_version_short}'.format(
    **config_values))
print('  py_version_nodot={py_version_nodot}'.format(
    **config_values))

print('\n Base directories:')
print('  base={base}'.format(**config_values))
print('  platbase={platbase}'.format(**config_values))
print('  userbase={userbase}'.format(**config_values))
print('  srcdir={srcdir}'.format(**config_values))

print('\n Compiler and linker flags:')
print('  LDFLAGS={LDFLAGS}'.format(**config_values))
print('  BASECFLAGS={BASECFLAGS}'.format(**config_values))
print('  Py_ENABLE_SHARED={Py_ENABLE_SHARED}'.format(
    **config_values))

# sysconfig_get_config_vars_by_name.py
import sysconfig

bases = sysconfig.get_config_vars('base', 'platbase', 'userbase')
print('Base directories:')
for b in bases:
    print('  ', b)

# sysconfig_get_config_var.py
import sysconfig

print('User base directory:',
      sysconfig.get_config_var('userbase'))
print('Unknown variable   :',
      sysconfig.get_config_var('NoSuchVariable'))

Installation Paths

# sysconfig_get_scheme_names.py
import sysconfig

for name in sysconfig.get_scheme_names():
    print(name)

# sysconfig_get_path_names.py
import sysconfig

for name in sysconfig.get_path_names():
    print(name)

# sysconfig_get_paths.py
import sysconfig
import pprint
import os

for scheme in ['posix_prefix', 'posix_user']:
    print(scheme)
    print('=' * len(scheme))
    paths = sysconfig.get_paths(scheme=scheme)
    prefix = os.path.commonprefix(list(paths.values()))
    print('prefix = {}\n'.format(prefix))
    for name, path in sorted(paths.items()):
        print('{}\n  .{}'.format(name, path[len(prefix):]))
    print()

# sysconfig_get_path.py
import sysconfig
import pprint

for scheme in ['posix_prefix', 'posix_user']:
    print(scheme)
    print('=' * len(scheme))
    print('purelib =', sysconfig.get_path(name='purelib',
                                          scheme=scheme))
    print()

Python Version and Platform

# sysconfig_get_platform.py
import sysconfig

print(sysconfig.get_platform())

# sysconfig_get_python_version.py
import sysconfig
import sys

print('sysconfig.get_python_version():',
      sysconfig.get_python_version())
print('\nsys.version_info:')
print('  major       :', sys.version_info.major)
print('  minor       :', sys.version_info.minor)
print('  micro       :', sys.version_info.micro)
print('  releaselevel:', sys.version_info.releaselevel)
print('  serial      :', sys.version_info.serial)