Python distutils.log.error() Examples

def js_prerelease(command, strict=False):
    """decorator for building minified js/css prior to another command"""
    class DecoratedCommand(command):
        def run(self):
            jsdeps = self.distribution.get_command_obj('jsdeps')
            if not is_repo and all(exists(t) for t in jsdeps.targets):
                # sdist, nothing to do
                command.run(self)
                return

            try:
                self.distribution.run_command('jsdeps')
            except Exception as e:
                missing = [t for t in jsdeps.targets if not exists(t)]
                if strict or missing:
                    log.warn('rebuilding js and css failed')
                    if missing:
                        log.error('missing files: %s' % missing)
                    raise e
                else:
                    log.warn('rebuilding js and css failed (not a problem)')
                    log.warn(str(e))
            command.run(self)
            update_package_data(self.distribution)
    return DecoratedCommand 

def run(self):
        has_npm = self.has_npm()
        if not has_npm:
            log.error("`npm` unavailable.  If you're running this command using sudo, make sure `npm` is available to sudo")

        env = os.environ.copy()
        env['PATH'] = npm_path

        if self.should_run_npm_install():
            log.info("Installing build dependencies with npm.  This may take a while...")
            check_call(['npm', 'install'], cwd=node_root, stdout=sys.stdout, stderr=sys.stderr)
            os.utime(self.node_modules, None)

        for t in self.targets:
            if not exists(t):
                msg = 'Missing file: %s' % t
                if not has_npm:
                    msg += '\nnpm is required to build a development version of a widget extension'
                raise ValueError(msg)

        # update package data in case this created new files
        update_package_data(self.distribution) 

def js_prerelease(command, strict=False):
    """decorator for building minified js/css prior to another command"""
    class DecoratedCommand(command):
        def run(self):
            jsdeps = self.distribution.get_command_obj('jsdeps')
            if not is_repo and all(os.path.exists(t) for t in jsdeps.targets):
                # sdist, nothing to do
                command.run(self)
                return

            try:
                self.distribution.run_command('jsdeps')
            except Exception as e:
                missing = [t for t in jsdeps.targets if not os.path.exists(t)]
                if strict or missing:
                    log.warn('rebuilding js and css failed')
                    if missing:
                        log.error('missing files: %s' % missing)
                    raise e
                else:
                    log.warn('rebuilding js and css failed (not a problem)')
                    log.warn(str(e))
            command.run(self)
            update_package_data(self.distribution)
    return DecoratedCommand 

def run(self):
        has_npm = self.has_npm()
        if not has_npm:
            log.error("`npm` unavailable.  If you're running this command using sudo, make sure `npm` is available to sudo")

        env = os.environ.copy()
        env['PATH'] = npm_path

        if self.should_run_npm_install():
            log.info("Installing build dependencies with npm.  This may take a while...")
            npmName = self.get_npm_name();
            check_call([npmName, 'install'], cwd=node_root, stdout=sys.stdout, stderr=sys.stderr)
            os.utime(self.node_modules, None)

        for t in self.targets:
            if not os.path.exists(t):
                msg = 'Missing file: %s' % t
                if not has_npm:
                    msg += '\nnpm is required to build a development version of a widget extension'
                raise ValueError(msg)

        # update package data in case this created new files
        update_package_data(self.distribution) 

def check_macro_true(self, symbol,
                         headers=None, include_dirs=None):
        self._check_compiler()
        body = """
int main()
{
#if %s
#else
#error false or undefined macro
#endif
    ;
    return 0;
}""" % (symbol,)

        return self.try_compile(body, headers, include_dirs) 

def check_macro_true(self, symbol,
                         headers=None, include_dirs=None):
        self._check_compiler()
        body = """
int main(void)
{
#if %s
#else
#error false or undefined macro
#endif
    ;
    return 0;
}""" % (symbol,)

        return self.try_compile(body, headers, include_dirs) 

def check_macro_true(self, symbol,
                         headers=None, include_dirs=None):
        self._check_compiler()
        body = """
int main()
{
#if %s
#else
#error false or undefined macro
#endif
    ;
    return 0;
}""" % (symbol,)

        return self.try_compile(body, headers, include_dirs) 

def log_error(self, msg, *args, **kw):
        log.error(msg, *args) 

def log_error(self, msg, *args, **kw):
        log.error(msg, *args) 

def check_func(self, func,
                   headers=None, include_dirs=None,
                   libraries=None, library_dirs=None,
                   decl=False, call=False, call_args=None):
        # clean up distutils's config a bit: add void to main(), and
        # return a value.
        self._check_compiler()
        body = []
        if decl:
            if type(decl) == str:
                body.append(decl)
            else:
                body.append("int %s (void);" % func)
        # Handle MSVC intrinsics: force MS compiler to make a function call.
        # Useful to test for some functions when built with optimization on, to
        # avoid build error because the intrinsic and our 'fake' test
        # declaration do not match.
        body.append("#ifdef _MSC_VER")
        body.append("#pragma function(%s)" % func)
        body.append("#endif")
        body.append("int main (void) {")
        if call:
            if call_args is None:
                call_args = ''
            body.append("  %s(%s);" % (func, call_args))
        else:
            body.append("  %s;" % func)
        body.append("  return 0;")
        body.append("}")
        body = '\n'.join(body) + "\n"

        return self.try_link(body, headers, include_dirs,
                             libraries, library_dirs) 

def check_func(self, func,
                   headers=None, include_dirs=None,
                   libraries=None, library_dirs=None,
                   decl=False, call=False, call_args=None):
        # clean up distutils's config a bit: add void to main(), and
        # return a value.
        self._check_compiler()
        body = []
        if decl:
            body.append("int %s (void);" % func)
        # Handle MSVC intrinsics: force MS compiler to make a function call.
        # Useful to test for some functions when built with optimization on, to
        # avoid build error because the intrinsic and our 'fake' test
        # declaration do not match.
        body.append("#ifdef _MSC_VER")
        body.append("#pragma function(%s)" % func)
        body.append("#endif")
        body.append("int main (void) {")
        if call:
            if call_args is None:
                call_args = ''
            body.append("  %s(%s);" % (func, call_args))
        else:
            body.append("  %s;" % func)
        body.append("  return 0;")
        body.append("}")
        body = '\n'.join(body) + "\n"

        return self.try_link(body, headers, include_dirs,
                             libraries, library_dirs) 

def log_error(self, msg, *args, **kw):
        log.error(msg, *args) 

def _check_compiler (self):
        old_config._check_compiler(self)
        from numpy.distutils.fcompiler import FCompiler, new_fcompiler

        if sys.platform == 'win32' and self.compiler.compiler_type == 'msvc':
            # XXX: hack to circumvent a python 2.6 bug with msvc9compiler:
            # initialize call query_vcvarsall, which throws an IOError, and
            # causes an error along the way without much information. We try to
            # catch it here, hoping it is early enough, and print an helpful
            # message instead of Error: None.
            if not self.compiler.initialized:
                try:
                    self.compiler.initialize()
                except IOError:
                    e = get_exception()
                    msg = """\
Could not initialize compiler instance: do you have Visual Studio
installed ? If you are trying to build with mingw, please use python setup.py
build -c mingw32 instead ). If you have Visual Studio installed, check it is
correctly installed, and the right version (VS 2008 for python 2.6, VS 2003 for
2.5, etc...). Original exception was: %s, and the Compiler
class was %s
============================================================================""" \
                        % (e, self.compiler.__class__.__name__)
                    print ("""\
============================================================================""")
                    raise distutils.errors.DistutilsPlatformError(msg)

        if not isinstance(self.fcompiler, FCompiler):
            self.fcompiler = new_fcompiler(compiler=self.fcompiler,
                                           dry_run=self.dry_run, force=1,
                                           c_compiler=self.compiler)
            if self.fcompiler is not None:
                self.fcompiler.customize(self.distribution)
                if self.fcompiler.get_version():
                    self.fcompiler.customize_cmd(self)
                    self.fcompiler.show_customization() 

def grok_environment_error (exc, prefix="error: "):
    # Function kept for backward compatibility.
    # Used to try clever things with EnvironmentErrors,
    # but nowadays str(exception) produces good messages.
    return prefix + str(exc)


# Needed by 'split_quoted()' 

def run_2to3(files, fixer_names=None, options=None, explicit=None):
    """Invoke 2to3 on a list of Python files.
    The files should all come from the build area, as the
    modification is done in-place. To reduce the build time,
    only files modified since the last invocation of this
    function should be passed in the files argument."""

    if not files:
        return

    # Make this class local, to delay import of 2to3
    from lib2to3.refactor import RefactoringTool, get_fixers_from_package
    class DistutilsRefactoringTool(RefactoringTool):
        def log_error(self, msg, *args, **kw):
            log.error(msg, *args)

        def log_message(self, msg, *args):
            log.info(msg, *args)

        def log_debug(self, msg, *args):
            log.debug(msg, *args)

    if fixer_names is None:
        fixer_names = get_fixers_from_package('lib2to3.fixes')
    r = DistutilsRefactoringTool(fixer_names, options=options)
    r.refactor(files, write=True) 

def _get_vc_env(plat_spec):
    if os.getenv("DISTUTILS_USE_SDK"):
        return {
            key.lower(): value
            for key, value in os.environ.items()
        }

    vcvarsall, vcruntime = _find_vcvarsall(plat_spec)
    if not vcvarsall:
        raise DistutilsPlatformError("Unable to find vcvarsall.bat")

    try:
        out = subprocess.check_output(
            '"{}" {} && set'.format(vcvarsall, plat_spec),
            shell=True,
            stderr=subprocess.STDOUT,
            universal_newlines=True,
        )
    except subprocess.CalledProcessError as exc:
        log.error(exc.output)
        raise DistutilsPlatformError("Error executing {}"
                .format(exc.cmd))

    env = {
        key.lower(): value
        for key, _, value in
        (line.partition('=') for line in out.splitlines())
        if key and value
    }

    if vcruntime:
        env['py_vcruntime_redist'] = vcruntime
    return env 

def _get_vc_env(plat_spec):
    if os.getenv("DISTUTILS_USE_SDK"):
        return {
            key.lower(): value
            for key, value in os.environ.items()
        }

    vcvarsall, vcruntime = _find_vcvarsall(plat_spec)
    if not vcvarsall:
        raise DistutilsPlatformError("Unable to find vcvarsall.bat")

    try:
        out = subprocess.check_output(
            'cmd /u /c "{}" {} && set'.format(vcvarsall, plat_spec),
            stderr=subprocess.STDOUT,
        ).decode('utf-16le', errors='replace')
    except subprocess.CalledProcessError as exc:
        log.error(exc.output)
        raise DistutilsPlatformError("Error executing {}"
                .format(exc.cmd))

    env = {
        key.lower(): value
        for key, _, value in
        (line.partition('=') for line in out.splitlines())
        if key and value
    }

    if vcruntime:
        env['py_vcruntime_redist'] = vcruntime
    return env 

def check_func(self, func,
                   headers=None, include_dirs=None,
                   libraries=None, library_dirs=None,
                   decl=False, call=False, call_args=None):
        # clean up distutils's config a bit: add void to main(), and
        # return a value.
        self._check_compiler()
        body = []
        if decl:
            if type(decl) == str:
                body.append(decl)
            else:
                body.append("int %s (void);" % func)
        # Handle MSVC intrinsics: force MS compiler to make a function call.
        # Useful to test for some functions when built with optimization on, to
        # avoid build error because the intrinsic and our 'fake' test
        # declaration do not match.
        body.append("#ifdef _MSC_VER")
        body.append("#pragma function(%s)" % func)
        body.append("#endif")
        body.append("int main (void) {")
        if call:
            if call_args is None:
                call_args = ''
            body.append("  %s(%s);" % (func, call_args))
        else:
            body.append("  %s;" % func)
        body.append("  return 0;")
        body.append("}")
        body = '\n'.join(body) + "\n"

        return self.try_link(body, headers, include_dirs,
                             libraries, library_dirs) 

def log_error(self, msg, *args, **kw):
        log.error(msg, *args) 

def check_func(self, func,
                   headers=None, include_dirs=None,
                   libraries=None, library_dirs=None,
                   decl=False, call=False, call_args=None):
        # clean up distutils's config a bit: add void to main(), and
        # return a value.
        self._check_compiler()
        body = []
        if decl:
            if type(decl) == str:
                body.append(decl)
            else:
                body.append("int %s (void);" % func)
        # Handle MSVC intrinsics: force MS compiler to make a function call.
        # Useful to test for some functions when built with optimization on, to
        # avoid build error because the intrinsic and our 'fake' test
        # declaration do not match.
        body.append("#ifdef _MSC_VER")
        body.append("#pragma function(%s)" % func)
        body.append("#endif")
        body.append("int main (void) {")
        if call:
            if call_args is None:
                call_args = ''
            body.append("  %s(%s);" % (func, call_args))
        else:
            body.append("  %s;" % func)
        body.append("  return 0;")
        body.append("}")
        body = '\n'.join(body) + "\n"

        return self.try_link(body, headers, include_dirs,
                             libraries, library_dirs) 

def log_error(self, msg, *args, **kw):
        log.error(msg, *args) 

def _install_dist_package(self):
        # Get the name of the package that we just built
        package_name = self.distribution.get_name()
        # Get the dist directory that bdist_wheel put the package in
        # Create the lambda build dir
        self._lambda_build_dir = os.path.join('build', 'ldist-'+package_name)
        build_dir = self._lambda_build_dir
        if getattr(self, 'build_layer'):
            build_dir = os.path.join(build_dir, getattr(self, 'layer_dir'))
        try:
            if os.path.exists(self._lambda_build_dir):
                shutil.rmtree(self._lambda_build_dir)
            log.info('creating {}'.format(self._lambda_build_dir))
            os.makedirs(build_dir)
        except OSError as exc:
            if exc.errno == errno.EEXIST and os.path.isdir(self._lambda_build_dir):
                pass
            else:
                raise DistutilsInternalError('{} already exists and is not a directory'.format(self._lambda_build_dir))
        log.info('installing package {} from {} into {}'.format(package_name,
                                                                self._dist_dir,
                                                                build_dir))
        pip = Popen(['pip', 'install',
                     '-f', self._dist_dir,
                     '-t', build_dir, package_name],
                    stdout=PIPE, stderr=PIPE)
        stdout, stderr = pip.communicate()

        if pip.returncode is not 0:
            log.info("pip stdout: {}".format(stdout))
            log.error("pip stderr: {}".format(stderr))
            raise DistutilsPlatformError('pip returned unsuccessfully')
        else:
            log.debug("pip stdout: {}".format(stdout))
            log.debug("pip stderr: {}".format(stderr)) 

def log_error(self, msg, *args, **kw):
        log.error(msg, *args) 

def run_2to3(files, fixer_names=None, options=None, explicit=None):
    """Invoke 2to3 on a list of Python files.
    The files should all come from the build area, as the
    modification is done in-place. To reduce the build time,
    only files modified since the last invocation of this
    function should be passed in the files argument."""

    if not files:
        return

    # Make this class local, to delay import of 2to3
    from lib2to3.refactor import RefactoringTool, get_fixers_from_package
    class DistutilsRefactoringTool(RefactoringTool):
        def log_error(self, msg, *args, **kw):
            log.error(msg, *args)

        def log_message(self, msg, *args):
            log.info(msg, *args)

        def log_debug(self, msg, *args):
            log.debug(msg, *args)

    if fixer_names is None:
        fixer_names = get_fixers_from_package('lib2to3.fixes')
    r = DistutilsRefactoringTool(fixer_names, options=options)
    r.refactor(files, write=True) 

def grok_environment_error (exc, prefix="error: "):
    # Function kept for backward compatibility.
    # Used to try clever things with EnvironmentErrors,
    # but nowadays str(exception) produces good messages.
    return prefix + str(exc)


# Needed by 'split_quoted()' 

def check_func(self, func,
                   headers=None, include_dirs=None,
                   libraries=None, library_dirs=None,
                   decl=False, call=False, call_args=None):
        # clean up distutils's config a bit: add void to main(), and
        # return a value.
        self._check_compiler()
        body = []
        if decl:
            if type(decl) == str:
                body.append(decl)
            else:
                body.append("int %s (void);" % func)
        # Handle MSVC intrinsics: force MS compiler to make a function call.
        # Useful to test for some functions when built with optimization on, to
        # avoid build error because the intrinsic and our 'fake' test
        # declaration do not match.
        body.append("#ifdef _MSC_VER")
        body.append("#pragma function(%s)" % func)
        body.append("#endif")
        body.append("int main (void) {")
        if call:
            if call_args is None:
                call_args = ''
            body.append("  %s(%s);" % (func, call_args))
        else:
            body.append("  %s;" % func)
        body.append("  return 0;")
        body.append("}")
        body = '\n'.join(body) + "\n"

        return self.try_link(body, headers, include_dirs,
                             libraries, library_dirs) 

def check_macro_true(self, symbol,
                         headers=None, include_dirs=None):
        self._check_compiler()
        body = """
int main(void)
{
#if %s
#else
#error false or undefined macro
#endif
    ;
    return 0;
}""" % (symbol,)

        return self.try_compile(body, headers, include_dirs) 

def check_func(self, func,
                   headers=None, include_dirs=None,
                   libraries=None, library_dirs=None,
                   decl=False, call=False, call_args=None):
        # clean up distutils's config a bit: add void to main(), and
        # return a value.
        self._check_compiler()
        body = []
        if decl:
            if type(decl) == str:
                body.append(decl)
            else:
                body.append("int %s (void);" % func)
        # Handle MSVC intrinsics: force MS compiler to make a function call.
        # Useful to test for some functions when built with optimization on, to
        # avoid build error because the intrinsic and our 'fake' test
        # declaration do not match.
        body.append("#ifdef _MSC_VER")
        body.append("#pragma function(%s)" % func)
        body.append("#endif")
        body.append("int main (void) {")
        if call:
            if call_args is None:
                call_args = ''
            body.append("  %s(%s);" % (func, call_args))
        else:
            body.append("  %s;" % func)
        body.append("  return 0;")
        body.append("}")
        body = '\n'.join(body) + "\n"

        return self.try_link(body, headers, include_dirs,
                             libraries, library_dirs) 

def check_macro_true(self, symbol,
                         headers=None, include_dirs=None):
        self._check_compiler()
        body = """
int main(void)
{
#if %s
#else
#error false or undefined macro
#endif
    ;
    return 0;
}""" % (symbol,)

        return self.try_compile(body, headers, include_dirs) 

def log_error(self, msg, *args, **kw):
        log.error(msg, *args)