diff venv/lib/python2.7/site-packages/pip/locations.py @ 0:d67268158946 draft

planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/venv/lib/python2.7/site-packages/pip/locations.py	Mon Oct 12 17:43:33 2015 -0400
@@ -0,0 +1,259 @@
+"""Locations where we look for configs, install stuff, etc"""
+from __future__ import absolute_import
+
+import getpass
+import os
+import os.path
+import site
+import sys
+import tempfile
+
+from distutils import sysconfig
+from distutils.command.install import install, SCHEME_KEYS
+
+from pip.compat import get_path_uid, WINDOWS
+from pip.utils import appdirs
+from pip import exceptions
+
+
+# Hack for flake8
+install
+
+
+# CA Bundle Locations
+CA_BUNDLE_PATHS = [
+    # Debian/Ubuntu/Gentoo etc.
+    "/etc/ssl/certs/ca-certificates.crt",
+
+    # Fedora/RHEL
+    "/etc/pki/tls/certs/ca-bundle.crt",
+
+    # OpenSUSE
+    "/etc/ssl/ca-bundle.pem",
+
+    # OpenBSD
+    "/etc/ssl/cert.pem",
+
+    # FreeBSD/DragonFly
+    "/usr/local/share/certs/ca-root-nss.crt",
+
+    # Homebrew on OSX
+    "/usr/local/etc/openssl/cert.pem",
+]
+
+# Attempt to locate a CA Bundle that we can pass into requests, we have a list
+# of possible ones from various systems. If we cannot find one then we'll set
+# this to None so that we default to whatever requests is setup to handle.
+#
+# Note to Downstream: If you wish to disable this autodetection and simply use
+#                     whatever requests does (likely you've already patched
+#                     requests.certs.where()) then simply edit this line so
+#                     that it reads ``CA_BUNDLE_PATH = None``.
+CA_BUNDLE_PATH = next((x for x in CA_BUNDLE_PATHS if os.path.exists(x)), None)
+
+
+# Application Directories
+USER_CACHE_DIR = appdirs.user_cache_dir("pip")
+
+
+DELETE_MARKER_MESSAGE = '''\
+This file is placed here by pip to indicate the source was put
+here by pip.
+
+Once this package is successfully installed this source code will be
+deleted (unless you remove this file).
+'''
+PIP_DELETE_MARKER_FILENAME = 'pip-delete-this-directory.txt'
+
+
+def write_delete_marker_file(directory):
+    """
+    Write the pip delete marker file into this directory.
+    """
+    filepath = os.path.join(directory, PIP_DELETE_MARKER_FILENAME)
+    with open(filepath, 'w') as marker_fp:
+        marker_fp.write(DELETE_MARKER_MESSAGE)
+
+
+def running_under_virtualenv():
+    """
+    Return True if we're running inside a virtualenv, False otherwise.
+
+    """
+    if hasattr(sys, 'real_prefix'):
+        return True
+    elif sys.prefix != getattr(sys, "base_prefix", sys.prefix):
+        return True
+
+    return False
+
+
+def virtualenv_no_global():
+    """
+    Return True if in a venv and no system site packages.
+    """
+    # this mirrors the logic in virtualenv.py for locating the
+    # no-global-site-packages.txt file
+    site_mod_dir = os.path.dirname(os.path.abspath(site.__file__))
+    no_global_file = os.path.join(site_mod_dir, 'no-global-site-packages.txt')
+    if running_under_virtualenv() and os.path.isfile(no_global_file):
+        return True
+
+
+def __get_username():
+    """ Returns the effective username of the current process. """
+    if WINDOWS:
+        return getpass.getuser()
+    import pwd
+    return pwd.getpwuid(os.geteuid()).pw_name
+
+
+def _get_build_prefix():
+    """ Returns a safe build_prefix """
+    path = os.path.join(
+        tempfile.gettempdir(),
+        'pip_build_%s' % __get_username().replace(' ', '_')
+    )
+    if WINDOWS:
+        """ on windows(tested on 7) temp dirs are isolated """
+        return path
+    try:
+        os.mkdir(path)
+        write_delete_marker_file(path)
+    except OSError:
+        file_uid = None
+        try:
+            # raises OSError for symlinks
+            # https://github.com/pypa/pip/pull/935#discussion_r5307003
+            file_uid = get_path_uid(path)
+        except OSError:
+            file_uid = None
+
+        if file_uid != os.geteuid():
+            msg = (
+                "The temporary folder for building (%s) is either not owned by"
+                " you, or is a symlink." % path
+            )
+            print(msg)
+            print(
+                "pip will not work until the temporary folder is either "
+                "deleted or is a real directory owned by your user account."
+            )
+            raise exceptions.InstallationError(msg)
+    return path
+
+if running_under_virtualenv():
+    build_prefix = os.path.join(sys.prefix, 'build')
+    src_prefix = os.path.join(sys.prefix, 'src')
+else:
+    # Note: intentionally NOT using mkdtemp
+    # See https://github.com/pypa/pip/issues/906 for plan to move to mkdtemp
+    build_prefix = _get_build_prefix()
+
+    # FIXME: keep src in cwd for now (it is not a temporary folder)
+    try:
+        src_prefix = os.path.join(os.getcwd(), 'src')
+    except OSError:
+        # In case the current working directory has been renamed or deleted
+        sys.exit(
+            "The folder you are executing pip from can no longer be found."
+        )
+
+# under Mac OS X + virtualenv sys.prefix is not properly resolved
+# it is something like /path/to/python/bin/..
+# Note: using realpath due to tmp dirs on OSX being symlinks
+build_prefix = os.path.abspath(os.path.realpath(build_prefix))
+src_prefix = os.path.abspath(src_prefix)
+
+# FIXME doesn't account for venv linked to global site-packages
+
+site_packages = sysconfig.get_python_lib()
+user_site = site.USER_SITE
+user_dir = os.path.expanduser('~')
+if WINDOWS:
+    bin_py = os.path.join(sys.prefix, 'Scripts')
+    bin_user = os.path.join(user_site, 'Scripts')
+    # buildout uses 'bin' on Windows too?
+    if not os.path.exists(bin_py):
+        bin_py = os.path.join(sys.prefix, 'bin')
+        bin_user = os.path.join(user_site, 'bin')
+
+    config_basename = 'pip.ini'
+
+    legacy_storage_dir = os.path.join(user_dir, 'pip')
+    legacy_config_file = os.path.join(
+        legacy_storage_dir,
+        config_basename,
+    )
+else:
+    bin_py = os.path.join(sys.prefix, 'bin')
+    bin_user = os.path.join(user_site, 'bin')
+
+    config_basename = 'pip.conf'
+
+    legacy_storage_dir = os.path.join(user_dir, '.pip')
+    legacy_config_file = os.path.join(
+        legacy_storage_dir,
+        config_basename,
+    )
+
+    # Forcing to use /usr/local/bin for standard Mac OS X framework installs
+    # Also log to ~/Library/Logs/ for use with the Console.app log viewer
+    if sys.platform[:6] == 'darwin' and sys.prefix[:16] == '/System/Library/':
+        bin_py = '/usr/local/bin'
+
+site_config_files = [
+    os.path.join(path, config_basename)
+    for path in appdirs.site_config_dirs('pip')
+]
+
+
+def distutils_scheme(dist_name, user=False, home=None, root=None,
+                     isolated=False):
+    """
+    Return a distutils install scheme
+    """
+    from distutils.dist import Distribution
+
+    scheme = {}
+
+    if isolated:
+        extra_dist_args = {"script_args": ["--no-user-cfg"]}
+    else:
+        extra_dist_args = {}
+    dist_args = {'name': dist_name}
+    dist_args.update(extra_dist_args)
+
+    d = Distribution(dist_args)
+    d.parse_config_files()
+    i = d.get_command_obj('install', create=True)
+    # NOTE: setting user or home has the side-effect of creating the home dir
+    # or user base for installations during finalize_options()
+    # ideally, we'd prefer a scheme class that has no side-effects.
+    i.user = user or i.user
+    i.home = home or i.home
+    i.root = root or i.root
+    i.finalize_options()
+    for key in SCHEME_KEYS:
+        scheme[key] = getattr(i, 'install_' + key)
+
+    if i.install_lib is not None:
+        # install_lib takes precedence over purelib and platlib
+        scheme.update(dict(purelib=i.install_lib, platlib=i.install_lib))
+
+    if running_under_virtualenv():
+        scheme['headers'] = os.path.join(
+            sys.prefix,
+            'include',
+            'site',
+            'python' + sys.version[:3],
+            dist_name,
+        )
+
+        if root is not None:
+            scheme["headers"] = os.path.join(
+                root,
+                os.path.abspath(scheme["headers"])[1:],
+            )
+
+    return scheme