Python distutils.errors.DistutilsError() Examples

def finalize_options(self):
                _build_ext.finalize_options(self)
                # Prevent numpy from thinking it is still in its setup process:
                try:
                    __builtins__.__NUMPY_SETUP__ = False
                except:
                    try:
                        # For python 3
                        import builtins
                        builtins.__NUMPY_SETUP__ = False
                    except:
                        warn("Skipping numpy hack; if installation fails, try installing numpy first")
                import numpy
                self.include_dirs.append(numpy.get_include())
                if numpy.__dict__.get('quaternion') is not None:
                    from distutils.errors import DistutilsError
                    raise DistutilsError('The target NumPy already has a quaternion type') 

def have_compiler():
    """ Return True if there appears to be an executable compiler
    """
    compiler = customized_ccompiler()
    try:
        cmd = compiler.compiler  # Unix compilers
    except AttributeError:
        try:
            if not compiler.initialized:
                compiler.initialize()  # MSVC is different
        except (DistutilsError, ValueError):
            return False
        cmd = [compiler.cc]
    try:
        p = Popen(cmd, stdout=PIPE, stderr=PIPE)
        p.stdout.close()
        p.stderr.close()
        p.wait()
    except OSError:
        return False
    return True 

def have_compiler():
    """ Return True if there appears to be an executable compiler
    """
    compiler = customized_ccompiler()
    try:
        cmd = compiler.compiler  # Unix compilers
    except AttributeError:
        try:
            if not compiler.initialized:
                compiler.initialize()  # MSVC is different
        except (DistutilsError, ValueError):
            return False
        cmd = [compiler.cc]
    try:
        p = Popen(cmd, stdout=PIPE, stderr=PIPE)
        p.stdout.close()
        p.stderr.close()
        p.wait()
    except OSError:
        return False
    return True 

def notest_develop_with_setup_requires(self):

        wanted = ("Could not find suitable distribution for "
                  "Requirement.parse('I-DONT-EXIST')")
        old_dir = os.getcwd()
        os.chdir(self.dir)
        try:
            try:
                dist = Distribution({'setup_requires': ['I_DONT_EXIST']})
            except DistutilsError:
                e = sys.exc_info()[1]
                error = str(e)
                if error ==  wanted:
                    pass
        finally:
            os.chdir(old_dir) 

def have_compiler():
    """ Return True if there appears to be an executable compiler
    """
    compiler = ccompiler.new_compiler()
    try:
        cmd = compiler.compiler  # Unix compilers
    except AttributeError:
        try:
            compiler.initialize()  # MSVC is different
        except DistutilsError:
            return False
        cmd = [compiler.cc]
    try:
        Popen(cmd, stdout=PIPE, stderr=PIPE)
    except OSError:
        return False
    return True 

def gen_setup(self, filename, fragment, tmpdir):
        match = EGG_FRAGMENT.match(fragment)
        dists = match and [
            d for d in
            interpret_distro_name(filename, match.group(1), None) if d.version
        ] or []

        if len(dists) == 1:   # unambiguous ``#egg`` fragment
            basename = os.path.basename(filename)

            # Make sure the file has been downloaded to the temp dir.
            if os.path.dirname(filename) != tmpdir:
                dst = os.path.join(tmpdir, basename)
                from setuptools.command.easy_install import samefile
                if not samefile(filename, dst):
                    shutil.copy2(filename, dst)
                    filename = dst

            with open(os.path.join(tmpdir, 'setup.py'), 'w') as file:
                file.write(
                    "from setuptools import setup\n"
                    "setup(name=%r, version=%r, py_modules=[%r])\n"
                    % (
                        dists[0].project_name, dists[0].version,
                        os.path.splitext(basename)[0]
                    )
                )
            return filename

        elif match:
            raise DistutilsError(
                "Can't unambiguously interpret project/version identifier %r; "
                "any dashes in the name or version should be escaped using "
                "underscores. %r" % (fragment, dists)
            )
        else:
            raise DistutilsError(
                "Can't process plain .py files without an '#egg=name-version'"
                " suffix to enable automatic setup script generation."
            ) 

def gen_setup(self, filename, fragment, tmpdir):
        match = EGG_FRAGMENT.match(fragment)
        dists = match and [
            d for d in
            interpret_distro_name(filename, match.group(1), None) if d.version
        ] or []

        if len(dists) == 1:  # unambiguous ``#egg`` fragment
            basename = os.path.basename(filename)

            # Make sure the file has been downloaded to the temp dir.
            if os.path.dirname(filename) != tmpdir:
                dst = os.path.join(tmpdir, basename)
                from setuptools.command.easy_install import samefile
                if not samefile(filename, dst):
                    shutil.copy2(filename, dst)
                    filename = dst

            with open(os.path.join(tmpdir, 'setup.py'), 'w') as file:
                file.write(
                    "from setuptools import setup\n"
                    "setup(name=%r, version=%r, py_modules=[%r])\n"
                    % (
                        dists[0].project_name, dists[0].version,
                        os.path.splitext(basename)[0]
                    )
                )
            return filename

        elif match:
            raise DistutilsError(
                "Can't unambiguously interpret project/version identifier %r; "
                "any dashes in the name or version should be escaped using "
                "underscores. %r" % (fragment, dists)
            )
        else:
            raise DistutilsError(
                "Can't process plain .py files without an '#egg=name-version'"
                " suffix to enable automatic setup script generation."
            ) 

def open_url(self, url, warning=None):
        if url.startswith('file:'):
            return local_open(url)
        try:
            return open_with_auth(url, self.opener)
        except (ValueError, http_client.InvalidURL) as v:
            msg = ' '.join([str(arg) for arg in v.args])
            if warning:
                self.warn(warning, msg)
            else:
                raise DistutilsError('%s %s' % (url, msg))
        except urllib.error.HTTPError as v:
            return v
        except urllib.error.URLError as v:
            if warning:
                self.warn(warning, v.reason)
            else:
                raise DistutilsError("Download error for %s: %s"
                                     % (url, v.reason))
        except http_client.BadStatusLine as v:
            if warning:
                self.warn(warning, v.line)
            else:
                raise DistutilsError(
                    '%s returned a bad status line. The server might be '
                    'down, %s' %
                    (url, v.line)
                )
        except (http_client.HTTPException, socket.error) as v:
            if warning:
                self.warn(warning, v)
            else:
                raise DistutilsError("Download error for %s: %s"
                                     % (url, v)) 

def _download_html(self, url, headers, filename):
        file = open(filename)
        for line in file:
            if line.strip():
                # Check for a subversion index page
                if re.search(r'<title>([^- ]+ - )?Revision \d+:', line):
                    # it's a subversion index page:
                    file.close()
                    os.unlink(filename)
                    return self._download_svn(url, filename)
                break  # not an index page
        file.close()
        os.unlink(filename)
        raise DistutilsError("Unexpected HTML page found at " + url) 

def _download_to(self, url, filename):
        self.info("Downloading %s", url)
        # Download the file
        fp, info = None, None
        try:
            checker = HashChecker.from_url(url)
            fp = self.open_url(strip_fragment(url))
            if isinstance(fp, urllib.error.HTTPError):
                raise DistutilsError(
                    "Can't download %s: %s %s" % (url, fp.code, fp.msg)
                )
            headers = fp.info()
            blocknum = 0
            bs = self.dl_blocksize
            size = -1
            if "content-length" in headers:
                # Some servers return multiple Content-Length headers :(
                sizes = get_all_headers(headers, 'Content-Length')
                size = max(map(int, sizes))
                self.reporthook(url, filename, blocknum, bs, size)
            with open(filename, 'wb') as tfp:
                while True:
                    block = fp.read(bs)
                    if block:
                        checker.feed(block)
                        tfp.write(block)
                        blocknum += 1
                        self.reporthook(url, filename, blocknum, bs, size)
                    else:
                        break
                self.check_hash(checker, filename, tfp)
            return headers
        finally:
            if fp:
                fp.close() 

def url_ok(self, url, fatal=False):
        s = URL_SCHEME(url)
        is_file = s and s.group(1).lower() == 'file'
        if is_file or self.allows(urllib.parse.urlparse(url)[1]):
            return True
        msg = ("\nNote: Bypassing %s (disallowed host; see "
            "http://bit.ly/1dg9ijs for details).\n")
        if fatal:
            raise DistutilsError(msg % url)
        else:
            self.warn(msg, url) 

def check_hash(self, checker, filename, tfp):
        """
        checker is a ContentChecker
        """
        checker.report(self.debug,
            "Validating %%s checksum for %s" % filename)
        if not checker.is_valid():
            tfp.close()
            os.unlink(filename)
            raise DistutilsError(
                "%s validation failed for %s; "
                "possible download problem?" % (
                                checker.hash.name, os.path.basename(filename))
            ) 

def download(self, spec, tmpdir):
        """Locate and/or download `spec` to `tmpdir`, returning a local path

        `spec` may be a ``Requirement`` object, or a string containing a URL,
        an existing local filename, or a project/version requirement spec
        (i.e. the string form of a ``Requirement`` object).  If it is the URL
        of a .py file with an unambiguous ``#egg=name-version`` tag (i.e., one
        that escapes ``-`` as ``_`` throughout), a trivial ``setup.py`` is
        automatically created alongside the downloaded file.

        If `spec` is a ``Requirement`` object or a string containing a
        project/version requirement spec, this method returns the location of
        a matching distribution (possibly after downloading it to `tmpdir`).
        If `spec` is a locally existing file or directory name, it is simply
        returned unchanged.  If `spec` is a URL, it is downloaded to a subpath
        of `tmpdir`, and the local filename is returned.  Various errors may be
        raised if a problem occurs during downloading.
        """
        if not isinstance(spec, Requirement):
            scheme = URL_SCHEME(spec)
            if scheme:
                # It's a url, download it to tmpdir
                found = self._download_url(scheme.group(1), spec, tmpdir)
                base, fragment = egg_info_for_url(spec)
                if base.endswith('.py'):
                    found = self.gen_setup(found, fragment, tmpdir)
                return found
            elif os.path.exists(spec):
                # Existing file or directory, just return it
                return spec
            else:
                try:
                    spec = Requirement.parse(spec)
                except ValueError:
                    raise DistutilsError(
                        "Not a URL, existing file, or requirement spec: %r" %
                        (spec,)
                    )
        return getattr(self.fetch_distribution(spec, tmpdir), 'location', None) 

def parse_requirement_arg(spec):
    try:
        return Requirement.parse(spec)
    except ValueError:
        raise DistutilsError(
            "Not a URL, existing file, or requirement spec: %r" % (spec,)
        ) 

def get_mathlibs(path=None):
    """Return the MATHLIB line from numpyconfig.h
    """
    if path is not None:
        config_file = os.path.join(path, '_numpyconfig.h')
    else:
        # Look for the file in each of the numpy include directories.
        dirs = get_numpy_include_dirs()
        for path in dirs:
            fn = os.path.join(path, '_numpyconfig.h')
            if os.path.exists(fn):
                config_file = fn
                break
        else:
            raise DistutilsError('_numpyconfig.h not found in numpy include '
                'dirs %r' % (dirs,))

    fid = open(config_file)
    mathlibs = []
    s = '#define MATHLIB'
    for line in fid:
        if line.startswith(s):
            value = line[len(s):].strip()
            if value:
                mathlibs.extend(value.split(','))
    fid.close()
    return mathlibs 

def generate_a_pyrex_source(self, base, ext_name, source, extension):
        if self.inplace or not have_pyrex():
            target_dir = os.path.dirname(base)
        else:
            target_dir = appendpath(self.build_src, os.path.dirname(base))
        target_file = os.path.join(target_dir, ext_name + '.c')
        depends = [source] + extension.depends
        if self.force or newer_group(depends, target_file, 'newer'):
            if have_pyrex():
                import Pyrex.Compiler.Main
                log.info("pyrexc:> %s" % (target_file))
                self.mkpath(target_dir)
                options = Pyrex.Compiler.Main.CompilationOptions(
                    defaults=Pyrex.Compiler.Main.default_options,
                    include_path=extension.include_dirs,
                    output_file=target_file)
                pyrex_result = Pyrex.Compiler.Main.compile(source,
                                                           options=options)
                if pyrex_result.num_errors != 0:
                    raise DistutilsError("%d errors while compiling %r with Pyrex" \
                          % (pyrex_result.num_errors, source))
            elif os.path.isfile(target_file):
                log.warn("Pyrex required for compiling %r but not available,"\
                         " using old target %r"\
                         % (source, target_file))
            else:
                raise DistutilsError("Pyrex required for compiling %r"\
                                     " but notavailable" % (source,))
        return target_file 

def get_mathlibs(path=None):
    """Return the MATHLIB line from numpyconfig.h
    """
    if path is not None:
        config_file = os.path.join(path, '_numpyconfig.h')
    else:
        # Look for the file in each of the numpy include directories.
        dirs = get_numpy_include_dirs()
        for path in dirs:
            fn = os.path.join(path, '_numpyconfig.h')
            if os.path.exists(fn):
                config_file = fn
                break
        else:
            raise DistutilsError('_numpyconfig.h not found in numpy include '
                'dirs %r' % (dirs,))

    fid = open(config_file)
    mathlibs = []
    s = '#define MATHLIB'
    for line in fid:
        if line.startswith(s):
            value = line[len(s):].strip()
            if value:
                mathlibs.extend(value.split(','))
    fid.close()
    return mathlibs 

def _download_html(self, url, headers, filename):
        file = open(filename)
        for line in file:
            if line.strip():
                # Check for a subversion index page
                if re.search(r'<title>([^- ]+ - )?Revision \d+:', line):
                    # it's a subversion index page:
                    file.close()
                    os.unlink(filename)
                    return self._download_svn(url, filename)
                break   # not an index page
        file.close()
        os.unlink(filename)
        raise DistutilsError("Unexpected HTML page found at " + url) 

def check_hash(self, checker, filename, tfp):
        """
        checker is a ContentChecker
        """
        checker.report(
            self.debug,
            "Validating %%s checksum for %s" % filename)
        if not checker.is_valid():
            tfp.close()
            os.unlink(filename)
            raise DistutilsError(
                "%s validation failed for %s; "
                "possible download problem?"
                % (checker.hash.name, os.path.basename(filename))
            ) 

def url_ok(self, url, fatal=False):
        s = URL_SCHEME(url)
        is_file = s and s.group(1).lower() == 'file'
        if is_file or self.allows(urllib.parse.urlparse(url)[1]):
            return True
        msg = (
            "\nNote: Bypassing %s (disallowed host; see "
            "http://bit.ly/2hrImnY for details).\n")
        if fatal:
            raise DistutilsError(msg % url)
        else:
            self.warn(msg, url) 

def finalize_options(self):
        ei = self.get_finalized_command("egg_info")
        if ei.broken_egg_info:
            template = "Please rename %r to %r before using 'develop'"
            args = ei.egg_info, ei.broken_egg_info
            raise DistutilsError(template % args)
        self.args = [ei.egg_name]

        easy_install.finalize_options(self)
        self.expand_basedirs()
        self.expand_dirs()
        # pick up setup-dir .egg files only: no .egg-info
        self.package_index.scan(glob.glob('*.egg'))

        egg_link_fn = ei.egg_name + '.egg-link'
        self.egg_link = os.path.join(self.install_dir, egg_link_fn)
        self.egg_base = ei.egg_base
        if self.egg_path is None:
            self.egg_path = os.path.abspath(ei.egg_base)

        target = pkg_resources.normalize_path(self.egg_base)
        egg_path = pkg_resources.normalize_path(
            os.path.join(self.install_dir, self.egg_path))
        if egg_path != target:
            raise DistutilsOptionError(
                "--egg-path must be a relative path from the install"
                " directory to " + target
            )

        # Make a distribution for the package's source
        self.dist = pkg_resources.Distribution(
            target,
            pkg_resources.PathMetadata(target, os.path.abspath(ei.egg_info)),
            project_name=ei.egg_name
        )

        self.setup_path = self._resolve_setup_path(
            self.egg_base,
            self.install_dir,
            self.egg_path,
        ) 

def test_upload_fails(self):
        self.next_msg = "Not Found"
        self.next_code = 404
        self.assertRaises(DistutilsError, self.test_upload) 

def get_mathlibs(path=None):
    """Return the MATHLIB line from numpyconfig.h
    """
    if path is not None:
        config_file = os.path.join(path, '_numpyconfig.h')
    else:
        # Look for the file in each of the numpy include directories.
        dirs = get_numpy_include_dirs()
        for path in dirs:
            fn = os.path.join(path, '_numpyconfig.h')
            if os.path.exists(fn):
                config_file = fn
                break
        else:
            raise DistutilsError('_numpyconfig.h not found in numpy include '
                'dirs %r' % (dirs,))

    fid = open(config_file)
    mathlibs = []
    s = '#define MATHLIB'
    for line in fid:
        if line.startswith(s):
            value = line[len(s):].strip()
            if value:
                mathlibs.extend(value.split(','))
    fid.close()
    return mathlibs 

def finalize_options(self):
        ei = self.get_finalized_command("egg_info")
        if ei.broken_egg_info:
            template = "Please rename %r to %r before using 'develop'"
            args = ei.egg_info, ei.broken_egg_info
            raise DistutilsError(template % args)
        self.args = [ei.egg_name]

        easy_install.finalize_options(self)
        self.expand_basedirs()
        self.expand_dirs()
        # pick up setup-dir .egg files only: no .egg-info
        self.package_index.scan(glob.glob('*.egg'))

        egg_link_fn = ei.egg_name + '.egg-link'
        self.egg_link = os.path.join(self.install_dir, egg_link_fn)
        self.egg_base = ei.egg_base
        if self.egg_path is None:
            self.egg_path = os.path.abspath(ei.egg_base)

        target = normalize_path(self.egg_base)
        egg_path = normalize_path(os.path.join(self.install_dir,
                                               self.egg_path))
        if egg_path != target:
            raise DistutilsOptionError(
                "--egg-path must be a relative path from the install"
                " directory to " + target
            )

        # Make a distribution for the package's source
        self.dist = Distribution(
            target,
            PathMetadata(target, os.path.abspath(ei.egg_info)),
            project_name=ei.egg_name
        )

        self.setup_path = self._resolve_setup_path(
            self.egg_base,
            self.install_dir,
            self.egg_path,
        ) 

def run_tests(self):
        # Purge modules under test from sys.modules. The test loader will
        # re-import them from the build location. Required when 2to3 is used
        # with namespace packages.
        if six.PY3 and getattr(self.distribution, 'use_2to3', False):
            module = self.test_suite.split('.')[0]
            if module in _namespace_packages:
                del_modules = []
                if module in sys.modules:
                    del_modules.append(module)
                module += '.'
                for name in sys.modules:
                    if name.startswith(module):
                        del_modules.append(name)
                list(map(sys.modules.__delitem__, del_modules))

        test = unittest.main(
            None, None, self._argv,
            testLoader=self._resolve_as_ep(self.test_loader),
            testRunner=self._resolve_as_ep(self.test_runner),
            exit=False,
        )
        if not test.result.wasSuccessful():
            msg = 'Test failed: %s' % test.result
            self.announce(msg, log.ERROR)
            raise DistutilsError(msg) 

def _download_html(self, url, headers, filename):
        file = open(filename)
        for line in file:
            if line.strip():
                # Check for a subversion index page
                if re.search(r'<title>([^- ]+ - )?Revision \d+:', line):
                    # it's a subversion index page:
                    file.close()
                    os.unlink(filename)
                    return self._download_svn(url, filename)
                break  # not an index page
        file.close()
        os.unlink(filename)
        raise DistutilsError("Unexpected HTML page found at " + url) 

def open_url(self, url, warning=None):
        if url.startswith('file:'):
            return local_open(url)
        try:
            return open_with_auth(url, self.opener)
        except (ValueError, http_client.InvalidURL) as v:
            msg = ' '.join([str(arg) for arg in v.args])
            if warning:
                self.warn(warning, msg)
            else:
                raise DistutilsError('%s %s' % (url, msg))
        except urllib.error.HTTPError as v:
            return v
        except urllib.error.URLError as v:
            if warning:
                self.warn(warning, v.reason)
            else:
                raise DistutilsError("Download error for %s: %s"
                                     % (url, v.reason))
        except http_client.BadStatusLine as v:
            if warning:
                self.warn(warning, v.line)
            else:
                raise DistutilsError(
                    '%s returned a bad status line. The server might be '
                    'down, %s' %
                    (url, v.line)
                )
        except (http_client.HTTPException, socket.error) as v:
            if warning:
                self.warn(warning, v)
            else:
                raise DistutilsError("Download error for %s: %s"
                                     % (url, v)) 

def gen_setup(self, filename, fragment, tmpdir):
        match = EGG_FRAGMENT.match(fragment)
        dists = match and [
            d for d in
            interpret_distro_name(filename, match.group(1), None) if d.version
        ] or []

        if len(dists) == 1:  # unambiguous ``#egg`` fragment
            basename = os.path.basename(filename)

            # Make sure the file has been downloaded to the temp dir.
            if os.path.dirname(filename) != tmpdir:
                dst = os.path.join(tmpdir, basename)
                from setuptools.command.easy_install import samefile
                if not samefile(filename, dst):
                    shutil.copy2(filename, dst)
                    filename = dst

            with open(os.path.join(tmpdir, 'setup.py'), 'w') as file:
                file.write(
                    "from setuptools import setup\n"
                    "setup(name=%r, version=%r, py_modules=[%r])\n"
                    % (
                        dists[0].project_name, dists[0].version,
                        os.path.splitext(basename)[0]
                    )
                )
            return filename

        elif match:
            raise DistutilsError(
                "Can't unambiguously interpret project/version identifier %r; "
                "any dashes in the name or version should be escaped using "
                "underscores. %r" % (fragment, dists)
            )
        else:
            raise DistutilsError(
                "Can't process plain .py files without an '#egg=name-version'"
                " suffix to enable automatic setup script generation."
            ) 

def url_ok(self, url, fatal=False):
        s = URL_SCHEME(url)
        is_file = s and s.group(1).lower() == 'file'
        if is_file or self.allows(urllib.parse.urlparse(url)[1]):
            return True
        msg = (
            "\nNote: Bypassing %s (disallowed host; see "
            "http://bit.ly/2hrImnY for details).\n")
        if fatal:
            raise DistutilsError(msg % url)
        else:
            self.warn(msg, url) 

def parse_requirement_arg(spec):
    try:
        return Requirement.parse(spec)
    except ValueError:
        raise DistutilsError(
            "Not a URL, existing file, or requirement spec: %r" % (spec,)
        )