Ejemplo n.º 1
0
    def transform_binary_dist(self):
        """
        Build Python package and transform directory layout.

        Builds the Python package (using :py:mod:`pip_accel`) and changes the
        names of the files included in the package to match the layout
        corresponding to the given conversion options.

        :returns: An iterable of tuples with two values each:

                  1. A :py:class:`tarfile.TarInfo` object;
                  2. A file-like object.
        """
        for member, handle in self.converter.pip_accel.bdists.get_binary_dist(self.requirement):
            if self.has_custom_install_prefix:
                # Strip the complete /usr/lib/pythonX.Y/site-packages/ prefix
                # so we can replace it with the custom installation prefix
                # (at this point /usr/ has been stripped by get_binary_dist()).
                member.name = re.sub(r'lib/python\d+(\.\d+)*/(dist|site)-packages/', 'lib/', member.name)
                # Rewrite executable Python scripts so they know about the
                # custom installation prefix.
                if member.name.startswith('bin/'):
                    handle = embed_install_prefix(handle, os.path.join(self.converter.install_prefix, 'lib'))
            else:
                # Rewrite /site-packages/ to /dist-packages/. For details see
                # https://wiki.debian.org/Python#Deviations_from_upstream.
                member.name = member.name.replace('/site-packages/', '/dist-packages/')
            yield member, handle
Ejemplo n.º 2
0
    def transform_binary_dist(self):
        """
        Build Python package and transform directory layout.

        Builds the Python package (using :mod:`pip_accel`) and changes the
        names of the files included in the package to match the layout
        corresponding to the given conversion options.

        :returns: An iterable of tuples with two values each:

                  1. A :class:`tarfile.TarInfo` object;
                  2. A file-like object.
        """
        for member, handle in self.converter.pip_accel.bdists.get_binary_dist(
                self.requirement):
            if self.has_custom_install_prefix:
                # Strip the complete /usr/lib/pythonX.Y/site-packages/ prefix
                # so we can replace it with the custom installation prefix
                # (at this point /usr/ has been stripped by get_binary_dist()).
                member.name = re.sub(
                    r'lib/python\d+(\.\d+)*/(dist|site)-packages/', 'lib/',
                    member.name)
                # Rewrite executable Python scripts so they know about the
                # custom installation prefix.
                if member.name.startswith('bin/'):
                    handle = embed_install_prefix(
                        handle,
                        os.path.join(self.converter.install_prefix, 'lib'))
            else:
                # Rewrite /site-packages/ to /dist-packages/. For details see
                # https://wiki.debian.org/Python#Deviations_from_upstream.
                member.name = member.name.replace('/site-packages/',
                                                  '/dist-packages/')
            yield member, handle
Ejemplo n.º 3
0
    def transform_binary_dist(self, interpreter):
        """
        Build Python package and transform directory layout.

        :param interpreter: The absolute pathname of the Python interpreter
                            that should be referenced by executable scripts in
                            the binary distribution (a string).
        :returns: An iterable of tuples with two values each:

                  1. A :class:`tarfile.TarInfo` object;
                  2. A file-like object.

        Builds the Python package (using :mod:`pip_accel`) and changes the
        names of the files included in the package to match the layout
        corresponding to the given conversion options.
        """
        # Detect whether we're running on PyPy (it needs special handling).
        if platform.python_implementation() == 'PyPy':
            on_pypy = True
            regular_pypy_path = 'lib/pypy%i.%i/site-packages/' % sys.version_info[:
                                                                                  2]
        else:
            on_pypy = False
        for member, handle in self.converter.pip_accel.bdists.get_binary_dist(
                self.requirement):
            is_executable = member.name.startswith('bin/')
            # Note that at this point the installation prefix has already been
            # stripped from `member.name' by the get_binary_dist() method.
            if on_pypy:
                # Normalize PyPy virtual environment layout:
                #
                # 1. cPython uses /lib/pythonX.Y/(dist|site)-packages/
                # 2. PyPy uses /site-packages/ (a top level directory)
                #
                # In this if branch we change 2 to look like 1 so that the
                # following if/else branches don't need to care about the
                # difference.
                member.name = re.sub('^(dist|site)-packages/',
                                     regular_pypy_path, member.name)
            if self.has_custom_install_prefix:
                # Strip the complete /usr/lib/pythonX.Y/site-packages/ prefix
                # so we can replace it with the custom installation prefix.
                member.name = re.sub(
                    r'lib/(python|pypy)\d+(\.\d+)*/(dist|site)-packages/',
                    'lib/', member.name)
                # Rewrite executable Python scripts so they know about the
                # custom installation prefix.
                if is_executable:
                    handle = embed_install_prefix(
                        handle,
                        os.path.join(self.converter.install_prefix, 'lib'))
            else:
                if on_pypy:
                    # Rewrite /usr/lib/pypy2.7/dist-packages to /usr/lib/pypy/dist-packages for two reasons:
                    #
                    # 1. /usr/lib/pypy2.7/dist-packages is not included in sys.path by default.
                    # 2. /usr/lib/pypy/dist-packages is included in sys.path by default and
                    #    according to /usr/lib/pypy/dist-packages/README "this directory
                    #    exists so that 3rd party packages can be installed here".
                    #
                    # See also the build https://travis-ci.org/paylogic/py2deb/builds/456594190
                    # which clearly shows that /usr/lib/pypy2.7/dist-packages doesn't work
                    # (which I've since confirmed in local testing).
                    member.name = re.sub(r'/pypy\d(\.\d)?/', '/pypy/',
                                         member.name)
                # Rewrite /site-packages/ to /dist-packages/. For details see
                # https://wiki.debian.org/Python#Deviations_from_upstream.
                member.name = member.name.replace('/site-packages/',
                                                  '/dist-packages/')
            # Update the interpreter reference in the first line of executable scripts.
            if is_executable:
                handle = self.update_shebang(handle, interpreter)
            yield member, handle
Ejemplo n.º 4
0
    def transform_binary_dist(self, interpreter):
        """
        Build Python package and transform directory layout.

        :param interpreter:

            The absolute pathname of the Python interpreter that should be
            referenced by executable scripts in the binary distribution (a
            string).

        :returns:

            An iterable of tuples with two values each:

            1. A :class:`tarfile.TarInfo` object;
            2. A file-like object.

        Builds the Python package (using :pypi:`pip-accel`) and changes the
        names of the files included in the package to match the layout
        corresponding to the given conversion options.
        """
        # Detect whether we're running on PyPy (it needs special handling).
        if platform.python_implementation() == 'PyPy':
            on_pypy = True
            normalized_pypy_path = 'lib/pypy%i.%i/site-packages/' % sys.version_info[:
                                                                                     2]
            if sys.version_info[0] == 3:
                # The file /usr/lib/pypy3/dist-packages/README points to
                # /usr/lib/pypy3/lib-python/3/site.py which states that in
                # PyPy 3 /usr/lib/python3/dist-packages is shared between
                # cPython and PyPy.
                normalized_pypy_segment = '/python3/'
            else:
                # The file /usr/lib/pypy/dist-packages/README points to
                # /usr/lib/pypy/lib-python/2.7/site.py which states that in
                # PyPy 2 /usr/lib/pypy<version>/dist-packages is used for
                # "Debian addons" however when you run the interpreter and
                # inspect sys.path you'll find that /usr/lib/pypy/dist-packages
                # is being used instead of the <version> directory. This might
                # be a documentation bug?
                normalized_pypy_segment = '/pypy/'
        else:
            on_pypy = False
        for member, handle in self.converter.pip_accel.bdists.get_binary_dist(
                self.requirement):
            is_executable = member.name.startswith('bin/')
            # Note that at this point the installation prefix has already been
            # stripped from `member.name' by the get_binary_dist() method.
            if on_pypy:
                # Normalize PyPy virtual environment layout:
                #
                # 1. cPython uses /lib/pythonX.Y/(dist|site)-packages/
                # 2. PyPy uses /site-packages/ (a top level directory)
                #
                # In this if branch we change 2 to look like 1 so that the
                # following if/else branches don't need to care about the
                # difference.
                member.name = re.sub('^(dist|site)-packages/',
                                     normalized_pypy_path, member.name)
            if self.has_custom_install_prefix:
                # Strip the complete /usr/lib/pythonX.Y/site-packages/ prefix
                # so we can replace it with the custom installation prefix.
                member.name = re.sub(
                    r'lib/(python|pypy)\d+(\.\d+)*/(dist|site)-packages/',
                    'lib/', member.name)
                # Rewrite executable Python scripts so they know about the
                # custom installation prefix.
                if is_executable:
                    handle = embed_install_prefix(
                        handle,
                        os.path.join(self.converter.install_prefix, 'lib'))
            else:
                if on_pypy:
                    # Normalize the PyPy "versioned directory segment" (it differs
                    # between virtual environments versus system wide installations).
                    member.name = re.sub(r'/pypy\d(\.\d)?/',
                                         normalized_pypy_segment, member.name)
                # Rewrite /site-packages/ to /dist-packages/. For details see
                # https://wiki.debian.org/Python#Deviations_from_upstream.
                member.name = member.name.replace('/site-packages/',
                                                  '/dist-packages/')
            # Update the interpreter reference in the first line of executable scripts.
            if is_executable:
                handle = self.update_shebang(handle, interpreter)
            yield member, handle