omero

#!/usr/bin/env python

"""

:author: Josh Moore <josh@glencoesoftware.com>

Python driver for OMERO
Copyright (c) 2007, Glencoe Software, Inc.
See LICENSE for details.

"""
from __future__ import print_function

import logging
import os
import stat
import sys

import warnings
warnings.filterwarnings("ignore", category=DeprecationWarning)
# Assuming a CLI user never wants to see development details
# such as code that has been deprecated.


def not_root():
    """
    Check that the effective current user is not 0
    on systems supporting os.geteuid()
    """
    try:
        euid = os.geteuid()
        if euid == 0:
            print("FATAL: Running %s as root can corrupt your directory permissions." % sys.argv[0])
            sys.exit(1)
        else:
            return euid
    except AttributeError as ae:
        # This platform doesn't support effective uid
        # So nothing to worry about.
        return None

euid = not_root()

def readlink(file=sys.argv[0]):
    """
    Resolve symlinks and similar. This is useful to allow
    linking this file under /usr/bin/, for example.
    """
    import stat

    file = sys.argv[0]
    while stat.S_ISLNK(os.lstat(file)[stat.ST_MODE]):
        target = os.readlink(file)
        if target[0] != "/":
            file = os.path.join(os.path.dirname(file), target)
        else:
            file = target

    file = os.path.abspath(file)
    return file

if "OMERO_HOME" in os.environ:
    print("WARN: OMERO_HOME usage is ignored in omero-py")

exe = readlink()
top = os.path.join(exe, os.pardir, os.pardir)

#
# This list needs to be kept in line with omero.cli.CLI._env
#
top = os.path.normpath(top)
var = os.path.join(top, "var")
vlb = os.path.join(var, "lib")
sys.path.append(vlb);

# Testing shortcut. If the first argument is an
# empty string, exit sucessfully.
#
if len(sys.argv) == 2 and sys.argv[1] == "": sys.exit(0)

#
# Primary activity: import omero.cli and launch
# catching any Ctrl-Cs from the user
#
try:
    try:
        import omero.cli
    except ImportError as ie:
        OMERODIR = os.environ.get('OMERODIR', None)
        print("*"*80)
        print("""
        ERROR: Could not import omero.cli! (%s)

        This means that your installation is incomplete. Contact
        the OME mailing lists for more information:

        https://www.openmicroscopy.org/support/

        If you are building from source, please supply the build log
        as well as which version you are building from. If you
        downloaded a distribution, please provide which link you
        used.
        """ % ie)
        print("*"*80)
        print("""
        Debugging Info:
        --------------
        CWD=%s
        VERSION=%s
        OMERO_EXE=%s
        OMERODIR=%s
        PYTHONPATH=%s
        """ % (os.getcwd(), sys.version.replace("\n", " "), top,
               OMERODIR, sys.path))
        sys.exit(2)

    logging.basicConfig(level=logging.WARN)
    rv = omero.cli.argv()
    sys.exit(rv)
except KeyboardInterrupt as ki:
    print("Cancelled")
    sys.exit(1)