zfec: rearrange files

[tahoe-lafs/zfec.git] / setuptools-0.6c16dev3.egg / setuptools / command / install_egg_info.py

diff --git a/setuptools-0.6c16dev3.egg/setuptools/command/install_egg_info.py b/setuptools-0.6c16dev3.egg/setuptools/command/install_egg_info.py
new file mode 100644 (file)
index 0000000..939340c
--- /dev/null
+++ b/setuptools-0.6c16dev3.egg/setuptools/command/install_egg_info.py
@@ -0,0 +1,123 @@
+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
+
+