diff options
Diffstat (limited to 'setuptools/command/install_egg_info.py')
| -rwxr-xr-x | setuptools/command/install_egg_info.py | 131 |
1 files changed, 61 insertions, 70 deletions
diff --git a/setuptools/command/install_egg_info.py b/setuptools/command/install_egg_info.py index 73b5ef73..fd0f118b 100755 --- a/setuptools/command/install_egg_info.py +++ b/setuptools/command/install_egg_info.py @@ -1,7 +1,10 @@ +from distutils import log, dir_util +import os + from setuptools import Command from setuptools.archive_util import unpack_archive -from distutils import log, dir_util -import os, pkg_resources +import pkg_resources + class install_egg_info(Command): """Install an .egg-info directory for the package""" @@ -16,26 +19,26 @@ class install_egg_info(Command): self.install_dir = None def finalize_options(self): - self.set_undefined_options('install_lib',('install_dir','install_dir')) + 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' + ).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) + 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.execute( + self.copytree, (), "Copying %s to %s" % (self.source, self.target) ) self.install_namespaces() @@ -44,82 +47,70 @@ class install_egg_info(Command): def copytree(self): # Copy the .egg-info tree to site-packages - def skimmer(src,dst): + 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: + 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) - - - - - - - - - - - - - - - - - - - - - - - + unpack_archive(self.source, self.target, skimmer) 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,'wt') - for pkg in nsp: - # ensure pkg is not a unicode string under Python 2.7 - pkg = str(pkg) - 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,types,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,types.ModuleType(%(pkg)r)); " - "mp = (m or []) and m.__dict__.setdefault('__path__',[]); " - "(p not in mp) and mp.append(p)%(trailer)s" - % locals() - ) - f.close() + if not nsp: + return + filename, ext = os.path.splitext(self.target) + filename += '-nspkg.pth' + self.outputs.append(filename) + log.info("Installing %s", filename) + lines = map(self._gen_nspkg_line, nsp) + + if self.dry_run: + # always generate the lines, even in dry run + list(lines) + return + + with open(filename, 'wt') as f: + f.writelines(lines) + + _nspkg_tmpl = ( + "import sys, types, 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, types.ModuleType(%(pkg)r))", + "mp = (m or []) and m.__dict__.setdefault('__path__',[])", + "(p not in mp) and mp.append(p)", + ) + "lines for the namespace installer" + + _nspkg_tmpl_multi = ( + 'm and setattr(sys.modules[%(parent)r], %(child)r, m)', + ) + "additional line(s) when a parent package is indicated" + + @classmethod + def _gen_nspkg_line(cls, pkg): + # ensure pkg is not a unicode string under Python 2.7 + pkg = str(pkg) + pth = tuple(pkg.split('.')) + tmpl_lines = cls._nspkg_tmpl + parent, sep, child = pkg.rpartition('.') + if parent: + tmpl_lines += cls._nspkg_tmpl_multi + return ';'.join(tmpl_lines) % locals() + '\n' def _get_all_ns_packages(self): - nsp = {} + """Return sorted list of all package namespaces""" + nsp = set() for pkg in self.distribution.namespace_packages or []: pkg = pkg.split('.') while pkg: - nsp['.'.join(pkg)] = 1 + nsp.add('.'.join(pkg)) pkg.pop() - nsp=list(nsp) - nsp.sort() # set up shorter names first - return nsp - - + return sorted(nsp) |