/usr/lib/python2.7/dist-packages/gphoto2cffi/util.py is in python-gphoto2cffi 0.3~a1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | from . import backend
class SimpleNamespace(object):
""" A simple :class:`object` subclass that provides attribute access to its
namespace, as well as a meaningful repr.
Unlike :class:`object`, with ``SimpleNamespace`` you can add and remove
attributes. If a ``SimpleNamespace`` object is initialized with keyword
arguments, those are directly added to the underlying namespace.
This is a backport from Python 3.3.
"""
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
def __repr__(self):
keys = sorted(self.__dict__)
items = ("{}={!r}".format(k, self.__dict__[k]) for k in keys)
return "{}({})".format(type(self).__name__, ", ".join(items))
def __eq__(self, other):
return self.__dict__ == other.__dict__
def get_string(cfunc, *args):
""" Call a C function and return its return value as a Python string.
:param cfunc: C function to call
:param args: Arguments to call function with
:rtype: str
"""
cstr = get_ctype("const char**", cfunc, *args)
return backend.ffi.string(cstr).decode() if cstr else None
def get_ctype(rtype, cfunc, *args):
""" Call a C function that takes a pointer as its last argument and
return the C object that it contains after the function has finished.
:param rtype: C data type is filled by the function
:param cfunc: C function to call
:param args: Arguments to call function with
:return: A pointer to the specified data type
"""
val_p = backend.ffi.new(rtype)
args = args + (val_p,)
cfunc(*args)
return val_p[0]
def new_gp_object(typename):
""" Create an indirect pointer to a GPhoto2 type, call its matching
constructor function and return the pointer to it.
:param typename: Name of the type to create.
:return: A pointer to the specified data type.
"""
obj_p = backend.ffi.new("{0}**".format(typename))
backend.CONSTRUCTORS[typename](obj_p)
return obj_p[0]
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