diff options
Diffstat (limited to 'Lib/distutils/command/install_egg_info.py')
-rw-r--r-- | Lib/distutils/command/install_egg_info.py | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Lib/distutils/command/install_egg_info.py b/Lib/distutils/command/install_egg_info.py new file mode 100644 index 0000000..c31ac29 --- /dev/null +++ b/Lib/distutils/command/install_egg_info.py @@ -0,0 +1,75 @@ +"""distutils.command.install_egg_info + +Implements the Distutils 'install_egg_info' command, for installing +a package's PKG-INFO metadata.""" + + +from distutils.cmd import Command +from distutils import log, dir_util +import os, sys, re + +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 + + def finalize_options(self): + self.set_undefined_options('install_lib',('install_dir','install_dir')) + basename = "%s-%s-py%s.egg-info" % ( + to_filename(safe_name(self.distribution.get_name())), + to_filename(safe_version(self.distribution.get_version())), + sys.version[:3] + ) + self.target = os.path.join(self.install_dir, 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) + log.info("Writing %s", target) + if not self.dry_run: + f = open(target, 'w') + self.distribution.metadata.write_pkg_file(f) + f.close() + + 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('-','_') |