/usr/lib/python2.7/dist-packages/args.py is in python-args 0.1.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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"""
args
~~~~
This module provides the CLI argument interface for clint.
"""
import os
from sys import argv
from glob import glob
from collections import OrderedDict
def _expand_path(path):
"""Expands directories and globs in given path."""
paths = []
path = os.path.expanduser(path)
path = os.path.expandvars(path)
if os.path.isdir(path):
for (dir, dirs, files) in os.walk(path):
for file in files:
paths.append(os.path.join(dir, file))
else:
paths.extend(glob(path))
return paths
def _is_collection(obj):
"""Tests if an object is a collection. Strings don't count."""
if isinstance(obj, basestring):
return False
return hasattr(obj, '__getitem__')
class ArgsList(object):
"""CLI Argument management."""
def __init__(self, args=None, no_argv=False):
if not args:
if not no_argv:
self._args = argv[1:]
else:
self._args = []
else:
self._args = args
def __len__(self):
return len(self._args)
def __repr__(self):
return '<args %s>' % (repr(self._args))
def __getitem__(self, i):
try:
return self.all[i]
except IndexError:
return None
def __contains__(self, x):
return self.first(x) is not None
def get(self, x):
"""Returns argument at given index, else none."""
try:
return self.all[x]
except IndexError:
return None
def get_with(self, x):
"""Returns first argument that contains given string."""
return self.all[self.first_with(x)]
def remove(self, x):
"""Removes given arg (or list thereof) from Args object."""
def _remove(x):
found = self.first(x)
if found is not None:
self._args.pop(found)
if _is_collection(x):
for item in x:
_remove(x)
else:
_remove(x)
def pop(self, x):
"""Removes and Returns value at given index, else none."""
try:
return self._args.pop(x)
except IndexError:
return None
def any_contain(self, x):
"""Tests if given string is contained in any stored argument."""
return bool(self.first_with(x))
def contains(self, x):
"""Tests if given object is in arguments list.
Accepts strings and lists of strings."""
return self.__contains__(x)
def first(self, x):
"""Returns first found index of given value (or list of values)"""
def _find( x):
try:
return self.all.index(str(x))
except ValueError:
return None
if _is_collection(x):
for item in x:
found = _find(item)
if found is not None:
return found
return None
else:
return _find(x)
def first_with(self, x):
"""Returns first found index containing value (or list of values)"""
def _find(x):
try:
for arg in self.all:
if x in arg:
return self.all.index(arg)
except ValueError:
return None
if _is_collection(x):
for item in x:
found = _find(item)
if found:
return found
return None
else:
return _find(x)
def first_without(self, x):
"""Returns first found index not containing value (or list of values)"""
def _find(x):
try:
for arg in self.all:
if x not in arg:
return self.all.index(arg)
except ValueError:
return None
if _is_collection(x):
for item in x:
found = _find(item)
if found:
return found
return None
else:
return _find(x)
def start_with(self, x):
"""Returns all arguments beginning with given string (or list thereof)"""
_args = []
for arg in self.all:
if _is_collection(x):
for _x in x:
if arg.startswith(x):
_args.append(arg)
break
else:
if arg.startswith(x):
_args.append(arg)
return ArgsList(_args, no_argv=True)
def contains_at(self, x, index):
"""Tests if given [list of] string is at given index."""
try:
if _is_collection(x):
for _x in x:
if (_x in self.all[index]) or (_x == self.all[index]):
return True
else:
return False
else:
return (x in self.all[index])
except IndexError:
return False
def has(self, x):
"""Returns true if argument exists at given index.
Accepts: integer.
"""
try:
self.all[x]
return True
except IndexError:
return False
def value_after(self, x):
"""Returns value of argument after given found argument (or list thereof)."""
try:
try:
i = self.all.index(x)
except ValueError:
return None
return self.all[i + 1]
except IndexError:
return None
@property
def grouped(self):
"""Extracts --flag groups from argument list.
Returns {format: Args, ...}
"""
collection = OrderedDict(_=ArgsList(no_argv=True))
_current_group = None
for arg in self.all:
if arg.startswith('-'):
_current_group = arg
collection.setdefault(arg, ArgsList(no_argv=True))
else:
if _current_group:
collection[_current_group]._args.append(arg)
else:
collection['_']._args.append(arg)
return collection
@property
def last(self):
"""Returns last argument."""
try:
return self.all[-1]
except IndexError:
return None
@property
def all(self):
"""Returns all arguments."""
return self._args
def all_with(self, x):
"""Returns all arguments containing given string (or list thereof)"""
_args = []
for arg in self.all:
if _is_collection(x):
for _x in x:
if _x in arg:
_args.append(arg)
break
else:
if x in arg:
_args.append(arg)
return ArgsList(_args, no_argv=True)
def all_without(self, x):
"""Returns all arguments not containing given string (or list thereof)"""
_args = []
for arg in self.all:
if _is_collection(x):
for _x in x:
if _x not in arg:
_args.append(arg)
break
else:
if x not in arg:
_args.append(arg)
return ArgsList(_args, no_argv=True)
@property
def flags(self):
"""Returns Arg object including only flagged arguments."""
return self.start_with('-')
@property
def not_flags(self):
"""Returns Arg object excluding flagged arguments."""
return self.all_without('-')
@property
def files(self, absolute=False):
"""Returns an expanded list of all valid paths that were passed in."""
_paths = []
for arg in self.all:
for path in _expand_path(arg):
if os.path.exists(path):
if absolute:
_paths.append(os.path.abspath(path))
else:
_paths.append(path)
return _paths
@property
def not_files(self):
"""Returns a list of all arguments that aren't files/globs."""
_args = []
for arg in self.all:
if not len(_expand_path(arg)):
if not os.path.exists(arg):
_args.append(arg)
return ArgsList(_args, no_argv=True)
@property
def copy(self):
"""Returns a copy of Args object for temporary manipulation."""
return ArgsList(self.all)
args = ArgsList()
get = args.get
get_with = args.get_with
remove = args.remove
pop = args.pop
any_contain = args.any_contain
contains = args.contains
first = args.first
first_with = args.first_with
first_without = args.first_without
start_with = args.start_with
contains_at = args.contains_at
has = args.has
value_after = args.value_after
grouped = args.grouped
last = args.last
all = args.all
all_with = args.all_with
all_without = args.all_without
flags = args.flags
not_flags = args.not_flags
files = args.files
not_files = args.not_files
copy = args.copy
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