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This module encapsulates the interface provided by the internal special
attributes (co_*, im_*, tb_*, etc.) in a friendlier fashion.
It also provides some help for examining source code and class layout.
Here are some of the useful functions provided by this module:
ismodule(), isclass(), ismethod(), isfunction(), isgeneratorfunction(),
isgenerator(), istraceback(), isframe(), iscode(), isbuiltin(),
isroutine() - check object types
getmembers() - get members of an object that satisfy a given condition
getfile(), getsourcefile(), getsource() - find an object's source code
getdoc(), getcomments() - get documentation on an object
getmodule() - determine the module that an object came from
getclasstree() - arrange classes so as to represent their hierarchy
getargspec(), getargvalues(), getcallargs() - get info about function arguments
getfullargspec() - same, with support for Python 3 features
formatargspec(), formatargvalues() - format an argument spec
getouterframes(), getinnerframes() - get info about frames
currentframe() - get the current stack frame
stack(), trace() - get info about frames on the stack or in a traceback
signature() - get a Signature object for the callable
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namedtuple� OrderedDictZCO_� � c C s t | t j � S)z�Return true if the object is a module.
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r r r �isclassH s r c C s t | t j � S)a_ Return true if the object is an instance method.
Instance method objects provide these attributes:
__doc__ documentation string
__name__ name with which this method was defined
__func__ function object containing implementation of method
__self__ instance to which this method is bound)r r �
MethodType)r
r r r �ismethodP s r c C sQ t | � s$ t | � s$ t | � r( d St | � } t | d � oP t | d � S)a� Return true if the object is a method descriptor.
But not if ismethod() or isclass() or isfunction() are true.
This is new in Python 2.2, and, for example, is true of int.__add__.
An object passing this test has a __get__ attribute but not a __set__
attribute, but beyond that the set of attributes varies. __name__ is
usually sensible, and __doc__ often is.
Methods implemented via descriptors that also pass one of the other
tests return false from the ismethoddescriptor() test, simply because
the other tests promise more -- you can, e.g., count on having the
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�tpr r r �ismethoddescriptorZ s $ r c C sP t | � s$ t | � s$ t | � r( d St | � } t | d � oO t | d � S)a� Return true if the object is a data descriptor.
Data descriptors have both a __get__ and a __set__ attribute. Examples are
properties (defined in Python) and getsets and members (defined in C).
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(properties, getsets, and members have both of these attributes), but this
is not guaranteed.Fr r )r r r r r )r
r r r r �isdatadescriptorn s $ r �MemberDescriptorTypec C s t | t j � S)z�Return true if the object is a member descriptor.
Member descriptors are specialized descriptors defined in extension
modules.)r r r )r
r r r �ismemberdescriptor~ s r c C s d S)z�Return true if the object is a member descriptor.
Member descriptors are specialized descriptors defined in extension
modules.Fr )r
r r r r � s �GetSetDescriptorTypec C s t | t j � S)z�Return true if the object is a getset descriptor.
getset descriptors are specialized descriptors defined in extension
modules.)r r r )r
r r r �isgetsetdescriptor� s r c C s d S)z�Return true if the object is a getset descriptor.
getset descriptors are specialized descriptors defined in extension
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r r r r � s c C s t | t j � S)a( Return true if the object is a user-defined function.
Function objects provide these attributes:
__doc__ documentation string
__name__ name with which this function was defined
__code__ code object containing compiled function bytecode
__defaults__ tuple of any default values for arguments
__globals__ global namespace in which this function was defined
__annotations__ dict of parameter annotations
__kwdefaults__ dict of keyword only parameters with defaults)r r � FunctionType)r
r r r r � s r c C s, t t | � s t | � o( | j j t @� S)z�Return true if the object is a user-defined generator function.
Generator function objects provide the same attributes as functions.
See help(isfunction) for a list of attributes.)�boolr r �__code__�co_flagsZ CO_GENERATOR)r
r r r �isgeneratorfunction� s r! c C s, t t | � s t | � o( | j j t @� S)z�Return true if the object is a coroutine function.
Coroutine functions are defined with "async def" syntax,
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r r r �iscoroutinefunction� s r" c C s t | t j � S)a Return true if the object is a generator.
Generator objects provide these attributes:
__iter__ defined to support iteration over container
close raises a new GeneratorExit exception inside the
generator to terminate the iteration
gi_code code object
gi_frame frame object or possibly None once the generator has
been exhausted
gi_running set to 1 when generator is executing, 0 otherwise
next return the next item from the container
send resumes the generator and "sends" a value that becomes
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r r r � isawaitable� s r+ c C s t | t j � S)ab Return true if the object is a traceback.
Traceback objects provide these attributes:
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tb_lasti index of last attempted instruction in bytecode
tb_lineno current line number in Python source code
tb_next next inner traceback object (called by this level))r r �
TracebackType)r
r r r � istraceback� s r- c C s t | t j � S)a` Return true if the object is a frame object.
Frame objects provide these attributes:
f_back next outer frame object (this frame's caller)
f_builtins built-in namespace seen by this frame
f_code code object being executed in this frame
f_globals global namespace seen by this frame
f_lasti index of last attempted instruction in bytecode
f_lineno current line number in Python source code
f_locals local namespace seen by this frame
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r r r �isframe� s r/ c C s t | t j � S)a/ Return true if the object is a code object.
Code objects provide these attributes:
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co_code string of raw compiled bytecode
co_cellvars tuple of names of cell variables
co_consts tuple of constants used in the bytecode
co_filename name of file in which this code object was created
co_firstlineno number of first line in Python source code
co_flags bitmap: 1=optimized | 2=newlocals | 4=*arg | 8=**arg
| 16=nested | 32=generator | 64=nofree | 128=coroutine
| 256=iterable_coroutine
co_freevars tuple of names of free variables
co_kwonlyargcount number of keyword only arguments (not including ** arg)
co_lnotab encoded mapping of line numbers to bytecode indices
co_name name with which this code object was defined
co_names tuple of names of local variables
co_nlocals number of local variables
co_stacksize virtual machine stack space required
co_varnames tuple of names of arguments and local variables)r r �CodeType)r
r r r �iscode� s r1 c C s t | t j � S)a, Return true if the object is a built-in function or method.
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r r r � isbuiltin s r3 c C s. t | � p- t | � p- t | � p- t | � S)z<Return true if the object is any kind of function or method.)r3 r r r )r
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j | � q� W| S) aN Return list of attribute-descriptor tuples.
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'class method' created via classmethod()
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'method' any other flavor of method or descriptor
'data' not a method
2. The class which defined this attribute (a class).
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dict (found by walking the mro).
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ra c C s | j S)zHReturn tuple of base classes (including cls) in method resolution order.)�__mro__)rQ r r r r: � s r: �stopc s� � d k r d d � } n � f d d � } | } t | � h } xS | | � r� | j } t | � } | | k r� t d j | � � � | j | � qE W| S)an Get the object wrapped by *func*.
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value, the last object in the chain is returned as usual. For example,
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indentsize� s rq c C so t j j | j � } | d k r% d Sx3 | j j d � d d � D] } t | | � } qB Wt | � sk d S| S)N�.r ���)�sys�modules�get�
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r` d SYn Xt | t � st d St | � S)z�Get the documentation string for an object.
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} t | � r� | j } t | � r� | j } t | � r� | j St d j | � � � d S)z@Work out which source or compiled file an object was defined in.�__file__z{!r} is a built-in modulerw z{!r} is a built-in classzO{!r} is not a module, class, method, function, traceback, frame, or code objectN)r
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The annotation for the parameter if specified. If the
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Describes how argument values are bound to the parameter.
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� � Z e d d d d � � Z e d d � � Z e d d � � Z d e d e d d � Z d d � Z d d � Z d d � Z d d d d! � Z d" d# � Z d$ d% � Z d& d' � Z d( d) � Z d* d+ � Z d, d- � Z d S)/r! a A Signature object represents the overall signature of a function.
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function, as well as information specific to the function itself.
A Signature object has the following public attributes and methods:
* parameters : OrderedDict
An ordered mapping of parameters' names to the corresponding
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The annotation for the return type of the function if specified.
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attribute is set to `Signature.empty`.
* bind(*args, **kwargs) -> BoundArguments
Creates a mapping from positional and keyword arguments to
parameters.
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Creates a partial mapping from positional and keyword arguments
to parameters (simulating 'functools.partial' behavior.)
�_return_annotation� _parametersNr" r� Tc C s[ | d k r t � } n$| r#t � } t } d } xt | � D]� \ } } | j } | j }
| | k r� d } | j | | � } t | � � n | | k r� d } | } | t t f k r� | j t k r� | r� d } t | � � n d } |
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zSignature.__init__c C s# t j d t d d �t | | � S)z3Constructs Signature for the given python function.zNinspect.Signature.from_function() is deprecated, use Signature.from_callable()r r� )r� r� r� r� )rQ rj r r r �
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zSignature.from_functionc C s# t j d t d d �t | | � S)z4Constructs Signature for the given builtin function.zMinspect.Signature.from_builtin() is deprecated, use Signature.from_callable()r r� )r� r� r� r� )rQ rj r r r � from_builtin�
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zSignature.from_builtin�follow_wrappedc C s t | d | d | �S)z3Constructs Signature for the given callable object.r r )r )rQ r_ r r r r �
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