| from setuptools import Command |
| from setuptools.archive_util import unpack_archive |
| from distutils import log, dir_util |
| import os, shutil, pkg_resources |
| |
| class install_egg_info(Command): |
| """Install an .egg-info directory for the package""" |
| |
| description = "Install an .egg-info directory for the package" |
| |
| 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')) |
| ei_cmd = self.get_finalized_command("egg_info") |
| basename = pkg_resources.Distribution( |
| None, None, ei_cmd.egg_name, ei_cmd.egg_version |
| ).egg_name()+'.egg-info' |
| self.source = ei_cmd.egg_info |
| self.target = os.path.join(self.install_dir, basename) |
| self.outputs = [self.target] |
| |
| def run(self): |
| self.run_command('egg_info') |
| target = self.target |
| if os.path.isdir(self.target) and not os.path.islink(self.target): |
| dir_util.remove_tree(self.target, dry_run=self.dry_run) |
| elif os.path.exists(self.target): |
| self.execute(os.unlink,(self.target,),"Removing "+self.target) |
| if not self.dry_run: |
| pkg_resources.ensure_directory(self.target) |
| self.execute(self.copytree, (), |
| "Copying %s to %s" % (self.source, self.target) |
| ) |
| self.install_namespaces() |
| |
| def get_outputs(self): |
| return self.outputs |
| |
| def copytree(self): |
| # Copy the .egg-info tree to site-packages |
| def skimmer(src,dst): |
| # filter out source-control directories; note that 'src' is always |
| # a '/'-separated path, regardless of platform. 'dst' is a |
| # platform-specific path. |
| for skip in '.svn/','CVS/': |
| if src.startswith(skip) or '/'+skip in src: |
| return None |
| self.outputs.append(dst) |
| log.debug("Copying %s to %s", src, dst) |
| return dst |
| unpack_archive(self.source, self.target, skimmer) |
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| def install_namespaces(self): |
| nsp = self._get_all_ns_packages() |
| if not nsp: return |
| filename,ext = os.path.splitext(self.target) |
| filename += '-nspkg.pth'; self.outputs.append(filename) |
| log.info("Installing %s",filename) |
| if not self.dry_run: |
| f = open(filename,'wb') |
| for pkg in nsp: |
| pth = tuple(pkg.split('.')) |
| trailer = '\n' |
| if '.' in pkg: |
| trailer = ( |
| "; m and setattr(sys.modules[%r], %r, m)\n" |
| % ('.'.join(pth[:-1]), pth[-1]) |
| ) |
| f.write( |
| "import sys,new,os; " |
| "p = os.path.join(sys._getframe(1).f_locals['sitedir'], " |
| "*%(pth)r); " |
| "ie = os.path.exists(os.path.join(p,'__init__.py')); " |
| "m = not ie and " |
| "sys.modules.setdefault(%(pkg)r,new.module(%(pkg)r)); " |
| "mp = (m or []) and m.__dict__.setdefault('__path__',[]); " |
| "(p not in mp) and mp.append(p)%(trailer)s" |
| % locals() |
| ) |
| f.close() |
| |
| def _get_all_ns_packages(self): |
| nsp = {} |
| for pkg in self.distribution.namespace_packages or []: |
| pkg = pkg.split('.') |
| while pkg: |
| nsp['.'.join(pkg)] = 1 |
| pkg.pop() |
| nsp=list(nsp) |
| nsp.sort() # set up shorter names first |
| return nsp |
| |
| |
