diff options
Diffstat (limited to 'Lib/distutils/command/config.py')
| -rw-r--r-- | Lib/distutils/command/config.py | 102 |
1 files changed, 40 insertions, 62 deletions
diff --git a/Lib/distutils/command/config.py b/Lib/distutils/command/config.py index 04cfcde736..a601234218 100644 --- a/Lib/distutils/command/config.py +++ b/Lib/distutils/command/config.py @@ -9,21 +9,17 @@ configure-like tasks: "try to compile this C code", or "figure out where this header file lives". """ -# This module should be kept compatible with Python 2.1. - __revision__ = "$Id$" import sys, os, re -from types import * from distutils.core import Command from distutils.errors import DistutilsExecError from distutils.sysconfig import customize_compiler from distutils import log -LANG_EXT = {'c': '.c', - 'c++': '.cxx'} +LANG_EXT = {"c": ".c", "c++": ".cxx"} -class config (Command): +class config(Command): description = "prepare to build" @@ -53,7 +49,7 @@ class config (Command): # The three standard command methods: since the "config" command # does nothing by default, these are empty. - def initialize_options (self): + def initialize_options(self): self.compiler = None self.cc = None self.include_dirs = None @@ -70,7 +66,7 @@ class config (Command): # to clean at some point self.temp_files = [] - def finalize_options (self): + def finalize_options(self): if self.include_dirs is None: self.include_dirs = self.distribution.include_dirs or [] elif isinstance(self.include_dirs, basestring): @@ -86,16 +82,14 @@ class config (Command): elif isinstance(self.library_dirs, basestring): self.library_dirs = self.library_dirs.split(os.pathsep) - - def run (self): + def run(self): pass - # Utility methods for actual "config" commands. The interfaces are # loosely based on Autoconf macros of similar names. Sub-classes # may use these freely. - def _check_compiler (self): + def _check_compiler(self): """Check that 'self.compiler' really is a CCompiler object; if not, make it one. """ @@ -113,8 +107,7 @@ class config (Command): if self.library_dirs: self.compiler.set_library_dirs(self.library_dirs) - - def _gen_temp_sourcefile (self, body, headers, lang): + def _gen_temp_sourcefile(self, body, headers, lang): filename = "_configtest" + LANG_EXT[lang] file = open(filename, "w") if headers: @@ -127,14 +120,14 @@ class config (Command): file.close() return filename - def _preprocess (self, body, headers, include_dirs, lang): + def _preprocess(self, body, headers, include_dirs, lang): src = self._gen_temp_sourcefile(body, headers, lang) out = "_configtest.i" self.temp_files.extend([src, out]) self.compiler.preprocess(src, out, include_dirs=include_dirs) return (src, out) - def _compile (self, body, headers, include_dirs, lang): + def _compile(self, body, headers, include_dirs, lang): src = self._gen_temp_sourcefile(body, headers, lang) if self.dump_source: dump_file(src, "compiling '%s':" % src) @@ -143,9 +136,8 @@ class config (Command): self.compiler.compile([src], include_dirs=include_dirs) return (src, obj) - def _link (self, body, - headers, include_dirs, - libraries, library_dirs, lang): + def _link(self, body, headers, include_dirs, libraries, + library_dirs, lang): (src, obj) = self._compile(body, headers, include_dirs, lang) prog = os.path.splitext(os.path.basename(src))[0] self.compiler.link_executable([obj], prog, @@ -159,7 +151,7 @@ class config (Command): return (src, obj, prog) - def _clean (self, *filenames): + def _clean(self, *filenames): if not filenames: filenames = self.temp_files self.temp_files = [] @@ -181,7 +173,7 @@ class config (Command): # XXX need access to the header search path and maybe default macros. - def try_cpp (self, body=None, headers=None, include_dirs=None, lang="c"): + def try_cpp(self, body=None, headers=None, include_dirs=None, lang="c"): """Construct a source file from 'body' (a string containing lines of C/C++ code) and 'headers' (a list of header files to include) and run it through the preprocessor. Return true if the @@ -190,17 +182,17 @@ class config (Command): """ from distutils.ccompiler import CompileError self._check_compiler() - ok = 1 + ok = True try: self._preprocess(body, headers, include_dirs, lang) except CompileError: - ok = 0 + ok = False self._clean() return ok - def search_cpp (self, pattern, body=None, - headers=None, include_dirs=None, lang="c"): + def search_cpp(self, pattern, body=None, headers=None, + include_dirs=None, lang="c"): """Construct a source file (just like 'try_cpp()'), run it through the preprocessor, and return true if any line of the output matches 'pattern'. 'pattern' should either be a compiled regex object or a @@ -216,20 +208,20 @@ class config (Command): pattern = re.compile(pattern) file = open(out) - match = 0 - while 1: + match = False + while True: line = file.readline() if line == '': break if pattern.search(line): - match = 1 + match = True break file.close() self._clean() return match - def try_compile (self, body, headers=None, include_dirs=None, lang="c"): + def try_compile(self, body, headers=None, include_dirs=None, lang="c"): """Try to compile a source file built from 'body' and 'headers'. Return true on success, false otherwise. """ @@ -237,18 +229,16 @@ class config (Command): self._check_compiler() try: self._compile(body, headers, include_dirs, lang) - ok = 1 + ok = True except CompileError: - ok = 0 + ok = False log.info(ok and "success!" or "failure.") self._clean() return ok - def try_link (self, body, - headers=None, include_dirs=None, - libraries=None, library_dirs=None, - lang="c"): + def try_link(self, body, headers=None, include_dirs=None, + libraries=None, library_dirs=None, lang="c"): """Try to compile and link a source file, built from 'body' and 'headers', to executable form. Return true on success, false otherwise. @@ -258,18 +248,16 @@ class config (Command): try: self._link(body, headers, include_dirs, libraries, library_dirs, lang) - ok = 1 + ok = True except (CompileError, LinkError): - ok = 0 + ok = False log.info(ok and "success!" or "failure.") self._clean() return ok - def try_run (self, body, - headers=None, include_dirs=None, - libraries=None, library_dirs=None, - lang="c"): + def try_run(self, body, headers=None, include_dirs=None, + libraries=None, library_dirs=None, lang="c"): """Try to compile, link to an executable, and run a program built from 'body' and 'headers'. Return true on success, false otherwise. @@ -280,9 +268,9 @@ class config (Command): src, obj, exe = self._link(body, headers, include_dirs, libraries, library_dirs, lang) self.spawn([exe]) - ok = 1 + ok = True except (CompileError, LinkError, DistutilsExecError): - ok = 0 + ok = False log.info(ok and "success!" or "failure.") self._clean() @@ -293,11 +281,8 @@ class config (Command): # (these are the ones that are actually likely to be useful # when implementing a real-world config command!) - def check_func (self, func, - headers=None, include_dirs=None, - libraries=None, library_dirs=None, - decl=0, call=0): - + def check_func(self, func, headers=None, include_dirs=None, + libraries=None, library_dirs=None, decl=0, call=0): """Determine if function 'func' is available by constructing a source file that refers to 'func', and compiles and links it. If everything succeeds, returns true; otherwise returns false. @@ -311,7 +296,6 @@ class config (Command): calls it. 'libraries' and 'library_dirs' are used when linking. """ - self._check_compiler() body = [] if decl: @@ -327,10 +311,8 @@ class config (Command): return self.try_link(body, headers, include_dirs, libraries, library_dirs) - # check_func () - - def check_lib (self, library, library_dirs=None, - headers=None, include_dirs=None, other_libraries=[]): + def check_lib(self, library, library_dirs=None, headers=None, + include_dirs=None, other_libraries=[]): """Determine if 'library' is available to be linked against, without actually checking that any particular symbols are provided by it. 'headers' will be used in constructing the source file to @@ -340,12 +322,11 @@ class config (Command): has symbols that depend on other libraries. """ self._check_compiler() - return self.try_link("int main (void) { }", - headers, include_dirs, - [library]+other_libraries, library_dirs) + return self.try_link("int main (void) { }", headers, include_dirs, + [library] + other_libraries, library_dirs) - def check_header (self, header, include_dirs=None, - library_dirs=None, lang="c"): + def check_header(self, header, include_dirs=None, library_dirs=None, + lang="c"): """Determine if the system header file named by 'header_file' exists and can be found by the preprocessor; return true if so, false otherwise. @@ -354,10 +335,7 @@ class config (Command): include_dirs=include_dirs) -# class config - - -def dump_file (filename, head=None): +def dump_file(filename, head=None): if head is None: print(filename + ":") else: |