def check_and_exit():
dir = os.path.abspath(args_manager['install']['install_dir'])
if not check_permissions(dir):
logger.exit('''Pyg cannot create new files in the installation directory.
Installation directory was:
{0}
Perhaps your account does not have write access to this directory? If the
installation directory is a system-owned directory, you may need to sign in
as the administrator or "root" account. If you do not have administrative
access to this machine, you may wish to choose a different installation
directory, preferably one that is listed in your PYTHONPATH environment
variable.
If you need further information about Pyg command-line options visit:
http://pyg.readthedocs.org/en/latest/cmdline.html
or
http://pyg-installer.co.nr
'''.format(dir))
def main():
import sys
import urllib2
try:
## If Python fails to import pyg we just add this directory to
## sys.path so we don't have to worry whether Pyg is installed or not.
__import__('pyg')
except ImportError:
sys.path.insert(0, '..')
from pyg.parser.parser import init_parser, load_options
from pyg.core import PygError, InstallationError, AlreadyInstalled, args_manager
from pyg.log import logger
try:
parser = init_parser(__version__)
args = parser.parse_args()
if args.verbose:
logger.level = logger.VERBOSE
if args.debug:
logger.level = logger.DEBUG
load_options()
if args_manager['global']['no_colors']:
logger.disable_colors()
parser.dispatch()
except (PygError, InstallationError, ValueError) as e:
sys.exit(1)
except AlreadyInstalled:
sys.exit(0)
except urllib2.HTTPError as e:
logger.exit('HTTPError: {0}'.format(e.msg))
except urllib2.URLError as e:
logger.exit('urllib error: {0}'.format(e.reason if hasattr(e, 'reason') else e.msg))
except Exception as e:
if logger.level == logger.DEBUG:
raise
try:
msg = e.args[0]
except IndexError:
msg = repr(e)
logger.exit('Unknown error occurred: {0}'.format(msg))
sys.exit(0)
