| """ |
| distutils.command.install_egg_info |
| |
| Implements the Distutils 'install_egg_info' command, for installing |
| a package's PKG-INFO metadata. |
| """ |
| |
| import os |
| import sys |
| import re |
| |
| from distutils.cmd import Command |
| from distutils import log, dir_util |
| |
| |
| class install_egg_info(Command): |
| """Install an .egg-info file for the package""" |
| |
| description = "Install package's PKG-INFO metadata as an .egg-info file" |
| user_options = [ |
| ('install-dir=', 'd', "directory to install to"), |
| ] |
| |
| def initialize_options(self): |
| self.install_dir = None |
| |
| @property |
| def basename(self): |
| """ |
| Allow basename to be overridden by child class. |
| Ref pypa/distutils#2. |
| """ |
| return "%s-%s-py%d.%d.egg-info" % ( |
| to_filename(safe_name(self.distribution.get_name())), |
| to_filename(safe_version(self.distribution.get_version())), |
| *sys.version_info[:2], |
| ) |
| |
| def finalize_options(self): |
| self.set_undefined_options('install_lib', ('install_dir', 'install_dir')) |
| self.target = os.path.join(self.install_dir, self.basename) |
| self.outputs = [self.target] |
| |
| def run(self): |
| target = self.target |
| if os.path.isdir(target) and not os.path.islink(target): |
| dir_util.remove_tree(target, dry_run=self.dry_run) |
| elif os.path.exists(target): |
| self.execute(os.unlink, (self.target,), "Removing " + target) |
| elif not os.path.isdir(self.install_dir): |
| self.execute( |
| os.makedirs, (self.install_dir,), "Creating " + self.install_dir |
| ) |
| log.info("Writing %s", target) |
| if not self.dry_run: |
| with open(target, 'w', encoding='UTF-8') as f: |
| self.distribution.metadata.write_pkg_file(f) |
| |
| def get_outputs(self): |
| return self.outputs |
| |
| |
| # The following routines are taken from setuptools' pkg_resources module and |
| # can be replaced by importing them from pkg_resources once it is included |
| # in the stdlib. |
| |
| |
| def safe_name(name): |
| """Convert an arbitrary string to a standard distribution name |
| |
| Any runs of non-alphanumeric/. characters are replaced with a single '-'. |
| """ |
| return re.sub('[^A-Za-z0-9.]+', '-', name) |
| |
| |
| def safe_version(version): |
| """Convert an arbitrary string to a standard version string |
| |
| Spaces become dots, and all other non-alphanumeric characters become |
| dashes, with runs of multiple dashes condensed to a single dash. |
| """ |
| version = version.replace(' ', '.') |
| return re.sub('[^A-Za-z0-9.]+', '-', version) |
| |
| |
| def to_filename(name): |
| """Convert a project or version name to its filename-escaped form |
| |
| Any '-' characters are currently replaced with '_'. |
| """ |
| return name.replace('-', '_') |