diff options
Diffstat (limited to 'setuptools/_distutils/sysconfig.py')
| -rw-r--r-- | setuptools/_distutils/sysconfig.py | 177 |
1 files changed, 28 insertions, 149 deletions
diff --git a/setuptools/_distutils/sysconfig.py b/setuptools/_distutils/sysconfig.py index d36d94f7..55a42e16 100644 --- a/setuptools/_distutils/sysconfig.py +++ b/setuptools/_distutils/sysconfig.py @@ -9,12 +9,13 @@ Written by: Fred L. Drake, Jr. Email: <fdrake@acm.org> """ -import _imp import os import re import sys +import sysconfig from .errors import DistutilsPlatformError +from . import py39compat IS_PYPY = '__pypy__' in sys.builtin_module_names @@ -47,6 +48,7 @@ def _is_python_source_dir(d): return True return False + _sys_home = getattr(sys, '_home', None) if os.name == 'nt': @@ -58,11 +60,13 @@ if os.name == 'nt': project_base = _fix_pcbuild(project_base) _sys_home = _fix_pcbuild(_sys_home) + def _python_build(): if _sys_home: return _is_python_source_dir(_sys_home) return _is_python_source_dir(project_base) + python_build = _python_build() @@ -78,6 +82,7 @@ except AttributeError: # this attribute, which is fine. pass + def get_python_version(): """Return a string containing the major and minor Python version, leaving off the patchlevel. Sample return values could be '1.5' @@ -191,7 +196,6 @@ def get_python_lib(plat_specific=0, standard_lib=0, prefix=None): "on platform '%s'" % os.name) - def customize_compiler(compiler): """Do any platform-specific customization of a CCompiler instance. @@ -216,8 +220,9 @@ def customize_compiler(compiler): _config_vars['CUSTOMIZED_OSX_COMPILER'] = 'True' (cc, cxx, cflags, ccshared, ldshared, shlib_suffix, ar, ar_flags) = \ - get_config_vars('CC', 'CXX', 'CFLAGS', - 'CCSHARED', 'LDSHARED', 'SHLIB_SUFFIX', 'AR', 'ARFLAGS') + get_config_vars( + 'CC', 'CXX', 'CFLAGS', + 'CCSHARED', 'LDSHARED', 'SHLIB_SUFFIX', 'AR', 'ARFLAGS') if 'CC' in os.environ: newcc = os.environ['CC'] @@ -274,31 +279,14 @@ def get_config_h_filename(): inc_dir = os.path.join(_sys_home or project_base, "PC") else: inc_dir = _sys_home or project_base + return os.path.join(inc_dir, 'pyconfig.h') else: - inc_dir = get_python_inc(plat_specific=1) - - return os.path.join(inc_dir, 'pyconfig.h') - - -# Allow this value to be patched by pkgsrc. Ref pypa/distutils#16. -_makefile_tmpl = 'config-{python_ver}{build_flags}{multiarch}' + return sysconfig.get_config_h_filename() def get_makefile_filename(): """Return full pathname of installed Makefile from the Python build.""" - if python_build: - return os.path.join(_sys_home or project_base, "Makefile") - lib_dir = get_python_lib(plat_specific=0, standard_lib=1) - multiarch = ( - '-%s' % sys.implementation._multiarch - if hasattr(sys.implementation, '_multiarch') else '' - ) - config_file = _makefile_tmpl.format( - python_ver=get_python_version(), - build_flags=build_flags, - multiarch=multiarch, - ) - return os.path.join(lib_dir, config_file, 'Makefile') + return sysconfig.get_makefile_filename() def parse_config_h(fp, g=None): @@ -308,26 +296,7 @@ def parse_config_h(fp, g=None): optional dictionary is passed in as the second argument, it is used instead of a new dictionary. """ - if g is None: - g = {} - define_rx = re.compile("#define ([A-Z][A-Za-z0-9_]+) (.*)\n") - undef_rx = re.compile("/[*] #undef ([A-Z][A-Za-z0-9_]+) [*]/\n") - # - while True: - line = fp.readline() - if not line: - break - m = define_rx.match(line) - if m: - n, v = m.group(1, 2) - try: v = int(v) - except ValueError: pass - g[n] = v - else: - m = undef_rx.match(line) - if m: - g[m.group(1)] = 0 - return g + return sysconfig.parse_config_h(fp, vars=g) # Regexes needed for parsing Makefile (and similar syntaxes, @@ -336,6 +305,7 @@ _variable_rx = re.compile(r"([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*(.*)") _findvar1_rx = re.compile(r"\$\(([A-Za-z][A-Za-z0-9_]*)\)") _findvar2_rx = re.compile(r"\${([A-Za-z][A-Za-z0-9_]*)}") + def parse_makefile(fn, g=None): """Parse a Makefile-style file. @@ -344,7 +314,9 @@ def parse_makefile(fn, g=None): used instead of a new dictionary. """ from distutils.text_file import TextFile - fp = TextFile(fn, strip_comments=1, skip_blanks=1, join_lines=1, errors="surrogateescape") + fp = TextFile( + fn, strip_comments=1, skip_blanks=1, join_lines=1, + errors="surrogateescape") if g is None: g = {} @@ -353,7 +325,7 @@ def parse_makefile(fn, g=None): while True: line = fp.readline() - if line is None: # eof + if line is None: # eof break m = _variable_rx.match(line) if m: @@ -397,7 +369,8 @@ def parse_makefile(fn, g=None): item = os.environ[n] elif n in renamed_variables: - if name.startswith('PY_') and name[3:] in renamed_variables: + if name.startswith('PY_') and \ + name[3:] in renamed_variables: item = "" elif 'PY_' + n in notdone: @@ -413,7 +386,8 @@ def parse_makefile(fn, g=None): if "$" in after: notdone[name] = value else: - try: value = int(value) + try: + value = int(value) except ValueError: done[name] = value.strip() else: @@ -421,7 +395,7 @@ def parse_makefile(fn, g=None): del notdone[name] if name.startswith('PY_') \ - and name[3:] in renamed_variables: + and name[3:] in renamed_variables: name = name[3:] if name not in done: @@ -470,51 +444,6 @@ def expand_makefile_vars(s, vars): _config_vars = None -_sysconfig_name_tmpl = '_sysconfigdata_{abi}_{platform}_{multiarch}' - - -def _init_posix(): - """Initialize the module as appropriate for POSIX systems.""" - # _sysconfigdata is generated at build time, see the sysconfig module - name = os.environ.get( - '_PYTHON_SYSCONFIGDATA_NAME', - _sysconfig_name_tmpl.format( - abi=sys.abiflags, - platform=sys.platform, - multiarch=getattr(sys.implementation, '_multiarch', ''), - ), - ) - try: - _temp = __import__(name, globals(), locals(), ['build_time_vars'], 0) - except ImportError: - # Python 3.5 and pypy 7.3.1 - _temp = __import__( - '_sysconfigdata', globals(), locals(), ['build_time_vars'], 0) - build_time_vars = _temp.build_time_vars - global _config_vars - _config_vars = {} - _config_vars.update(build_time_vars) - - -def _init_nt(): - """Initialize the module as appropriate for NT""" - g = {} - # set basic install directories - g['LIBDEST'] = get_python_lib(plat_specific=0, standard_lib=1) - g['BINLIBDEST'] = get_python_lib(plat_specific=1, standard_lib=1) - - # XXX hmmm.. a normal install puts include files here - g['INCLUDEPY'] = get_python_inc(plat_specific=0) - - g['EXT_SUFFIX'] = _imp.extension_suffixes()[0] - g['EXE'] = ".exe" - g['VERSION'] = get_python_version().replace(".", "") - g['BINDIR'] = os.path.dirname(os.path.abspath(sys.executable)) - - global _config_vars - _config_vars = g - - def get_config_vars(*args): """With no arguments, return a dictionary of all configuration variables relevant for the current platform. Generally this includes @@ -527,60 +456,8 @@ def get_config_vars(*args): """ global _config_vars if _config_vars is None: - func = globals().get("_init_" + os.name) - if func: - func() - else: - _config_vars = {} - - # Normalized versions of prefix and exec_prefix are handy to have; - # in fact, these are the standard versions used most places in the - # Distutils. - _config_vars['prefix'] = PREFIX - _config_vars['exec_prefix'] = EXEC_PREFIX - - if not IS_PYPY: - # For backward compatibility, see issue19555 - SO = _config_vars.get('EXT_SUFFIX') - if SO is not None: - _config_vars['SO'] = SO - - # Always convert srcdir to an absolute path - srcdir = _config_vars.get('srcdir', project_base) - if os.name == 'posix': - if python_build: - # If srcdir is a relative path (typically '.' or '..') - # then it should be interpreted relative to the directory - # containing Makefile. - base = os.path.dirname(get_makefile_filename()) - srcdir = os.path.join(base, srcdir) - else: - # srcdir is not meaningful since the installation is - # spread about the filesystem. We choose the - # directory containing the Makefile since we know it - # exists. - srcdir = os.path.dirname(get_makefile_filename()) - _config_vars['srcdir'] = os.path.abspath(os.path.normpath(srcdir)) - - # Convert srcdir into an absolute path if it appears necessary. - # Normally it is relative to the build directory. However, during - # testing, for example, we might be running a non-installed python - # from a different directory. - if python_build and os.name == "posix": - base = project_base - if (not os.path.isabs(_config_vars['srcdir']) and - base != os.getcwd()): - # srcdir is relative and we are not in the same directory - # as the executable. Assume executable is in the build - # directory and make srcdir absolute. - srcdir = os.path.join(base, _config_vars['srcdir']) - _config_vars['srcdir'] = os.path.normpath(srcdir) - - # OS X platforms require special customization to handle - # multi-architecture, multi-os-version installers - if sys.platform == 'darwin': - import _osx_support - _osx_support.customize_config_vars(_config_vars) + _config_vars = sysconfig.get_config_vars().copy() + py39compat.add_ext_suffix(_config_vars) if args: vals = [] @@ -590,6 +467,7 @@ def get_config_vars(*args): else: return _config_vars + def get_config_var(name): """Return the value of a single variable using the dictionary returned by 'get_config_vars()'. Equivalent to @@ -597,5 +475,6 @@ def get_config_var(name): """ if name == 'SO': import warnings - warnings.warn('SO is deprecated, use EXT_SUFFIX', DeprecationWarning, 2) + warnings.warn( + 'SO is deprecated, use EXT_SUFFIX', DeprecationWarning, 2) return get_config_vars().get(name) |