def reproman_exec(self, command, args):
"""Run a reproman utility "exec" command in the environment
Parameters
----------
command : string
The session method name to run. (e.g. mkdir, chown, etc.)
args : list of strings
Arguments passed in from the command line for the command
Raises
------
CommandError
Exception if an invalid command argument is passed in.
"""
if command not in self.INTERNAL_COMMANDS:
raise CommandError(cmd=command, msg="Invalid command")
pargs = [] # positional args to pass to session command
kwargs = {} # key word args to pass to session command
for arg in args:
if '=' in arg:
parts = arg.split('=')
if len(parts) != 2:
raise CommandError(cmd=command,
msg="Invalid command line parameter")
kwargs[parts[0]] = parts[1]
else:
pargs.append(arg)
getattr(self, command)(*pargs, **kwargs)
def mkdir(self, path, parents=False):
"""Create a directory
"""
command = ["mkdir"]
if parents: command.append("-p")
command += [path]
self.execute_command(command)
if not self.isdir(path):
raise CommandError(cmd='mkdir', msg="Failed to create directory")
def mkdir(self, path, parents=False):
if not os.path.exists(path):
if parents:
os.makedirs(path)
else:
try:
os.mkdir(path)
except OSError:
raise CommandError(
msg="Failed to make directory {}".format(path))
def chown(self, path, uid=-1, gid=-1, recursive=False, remote=True):
"""Set the user and gid of a path
"""
uid = int(uid) # Command line parameters getting passed as type str
gid = int(gid)
if uid == -1 and gid > -1:
command = ['chgrp']
else:
command = ['chown']
if recursive: command += ["-R"]
if uid > -1 and gid > -1: command += ["{}.{}".format(uid, gid)]
elif uid > -1: command += [uid]
elif gid > -1: command += [gid]
else: raise CommandError(cmd='chown', msg="Invalid command \
parameters.")
command += [path]
if remote:
self.execute_command(command)
else:
# Run on the local file system
Runner().run(command)