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gh-90005: Port readline and curses to PY_STDLIB_MOD (GH-94452)
Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@protonmail.com>
This commit is contained in:
Christian Heimes
GitHub
parent
50b9a7762f
commit
e925241d95
6 changed files with 1943 additions and 458 deletions
146
setup.py
146
setup.py
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@ -1015,149 +1015,9 @@ def detect_test_extensions(self):
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))
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def detect_readline_curses(self):
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# readline
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readline_termcap_library = ""
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curses_library = ""
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# Cannot use os.popen here in py3k.
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tmpfile = os.path.join(self.build_temp, 'readline_termcap_lib')
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if not os.path.exists(self.build_temp):
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os.makedirs(self.build_temp)
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# Determine if readline is already linked against curses or tinfo.
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if sysconfig.get_config_var('HAVE_LIBREADLINE'):
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if sysconfig.get_config_var('WITH_EDITLINE'):
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readline_lib = 'edit'
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else:
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readline_lib = 'readline'
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do_readline = self.compiler.find_library_file(self.lib_dirs,
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readline_lib)
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if CROSS_COMPILING:
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ret = run_command("%s -d %s | grep '(NEEDED)' > %s"
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% (sysconfig.get_config_var('READELF'),
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do_readline, tmpfile))
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elif find_executable('ldd'):
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ret = run_command("ldd %s > %s" % (do_readline, tmpfile))
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else:
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ret = 1
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if ret == 0:
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with open(tmpfile) as fp:
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for ln in fp:
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if 'curses' in ln:
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readline_termcap_library = re.sub(
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r'.*lib(n?cursesw?)\.so.*', r'\1', ln
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).rstrip()
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break
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# termcap interface split out from ncurses
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if 'tinfo' in ln:
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readline_termcap_library = 'tinfo'
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break
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if os.path.exists(tmpfile):
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os.unlink(tmpfile)
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else:
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do_readline = False
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# Issue 7384: If readline is already linked against curses,
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# use the same library for the readline and curses modules.
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if 'curses' in readline_termcap_library:
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curses_library = readline_termcap_library
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elif self.compiler.find_library_file(self.lib_dirs, 'ncursesw'):
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curses_library = 'ncursesw'
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# Issue 36210: OSS provided ncurses does not link on AIX
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# Use IBM supplied 'curses' for successful build of _curses
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elif AIX and self.compiler.find_library_file(self.lib_dirs, 'curses'):
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curses_library = 'curses'
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elif self.compiler.find_library_file(self.lib_dirs, 'ncurses'):
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curses_library = 'ncurses'
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elif self.compiler.find_library_file(self.lib_dirs, 'curses'):
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curses_library = 'curses'
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if MACOS:
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os_release = int(os.uname()[2].split('.')[0])
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dep_target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
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if (dep_target and
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(tuple(int(n) for n in dep_target.split('.')[0:2])
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< (10, 5) ) ):
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os_release = 8
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if os_release < 9:
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# MacOSX 10.4 has a broken readline. Don't try to build
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# the readline module unless the user has installed a fixed
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# readline package
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if find_file('readline/rlconf.h', self.inc_dirs, []) is None:
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do_readline = False
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if do_readline:
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readline_libs = [readline_lib]
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if readline_termcap_library:
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pass # Issue 7384: Already linked against curses or tinfo.
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elif curses_library:
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readline_libs.append(curses_library)
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elif self.compiler.find_library_file(self.lib_dirs +
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['/usr/lib/termcap'],
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'termcap'):
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readline_libs.append('termcap')
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self.add(Extension('readline', ['readline.c'],
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library_dirs=['/usr/lib/termcap'],
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libraries=readline_libs))
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else:
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self.missing.append('readline')
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# Curses support, requiring the System V version of curses, often
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# provided by the ncurses library.
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curses_defines = []
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curses_includes = []
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panel_library = 'panel'
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if curses_library == 'ncursesw':
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curses_defines.append(('HAVE_NCURSESW', '1'))
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if not CROSS_COMPILING:
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curses_includes.append('/usr/include/ncursesw')
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# Bug 1464056: If _curses.so links with ncursesw,
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# _curses_panel.so must link with panelw.
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panel_library = 'panelw'
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if MACOS:
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# On OS X, there is no separate /usr/lib/libncursesw nor
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# libpanelw. If we are here, we found a locally-supplied
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# version of libncursesw. There should also be a
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# libpanelw. _XOPEN_SOURCE defines are usually excluded
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# for OS X but we need _XOPEN_SOURCE_EXTENDED here for
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# ncurses wide char support
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curses_defines.append(('_XOPEN_SOURCE_EXTENDED', '1'))
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elif MACOS and curses_library == 'ncurses':
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# Building with the system-suppied combined libncurses/libpanel
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curses_defines.append(('HAVE_NCURSESW', '1'))
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curses_defines.append(('_XOPEN_SOURCE_EXTENDED', '1'))
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curses_enabled = True
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if curses_library.startswith('ncurses'):
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curses_libs = [curses_library]
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self.add(Extension('_curses', ['_cursesmodule.c'],
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include_dirs=curses_includes,
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define_macros=curses_defines,
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libraries=curses_libs))
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elif curses_library == 'curses' and not MACOS:
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# OSX has an old Berkeley curses, not good enough for
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# the _curses module.
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if (self.compiler.find_library_file(self.lib_dirs, 'terminfo')):
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curses_libs = ['curses', 'terminfo']
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elif (self.compiler.find_library_file(self.lib_dirs, 'termcap')):
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curses_libs = ['curses', 'termcap']
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else:
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curses_libs = ['curses']
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self.add(Extension('_curses', ['_cursesmodule.c'],
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define_macros=curses_defines,
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libraries=curses_libs))
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else:
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curses_enabled = False
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self.missing.append('_curses')
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# If the curses module is enabled, check for the panel module
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# _curses_panel needs some form of ncurses
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skip_curses_panel = True if AIX else False
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if (curses_enabled and not skip_curses_panel and
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self.compiler.find_library_file(self.lib_dirs, panel_library)):
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self.add(Extension('_curses_panel', ['_curses_panel.c'],
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include_dirs=curses_includes,
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define_macros=curses_defines,
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libraries=[panel_library, *curses_libs]))
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elif not skip_curses_panel:
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self.missing.append('_curses_panel')
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self.addext(Extension('readline', ['readline.c']))
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self.addext(Extension('_curses', ['_cursesmodule.c']))
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self.addext(Extension('_curses_panel', ['_curses_panel.c']))
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def detect_crypt(self):
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self.addext(Extension('_crypt', ['_cryptmodule.c']))
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