@ -49,8 +49,8 @@ class Chain(Serializable, ABC):
execute a Chain . This takes inputs as a dictionary and returns a
dictionary output .
- ` run ` : A convenience method that takes inputs as args / kwargs and returns the
output as a string . This method can only be used for a subset of chains and
c annot return as rich of an output as ` __call__ ` .
output as a string or object . This method can only be used for a subset of
c hains and c annot return as rich of an output as ` __call__ ` .
"""
memory : Optional [ BaseMemory ] = None
@ -390,17 +390,13 @@ class Chain(Serializable, ABC):
tags : Optional [ List [ str ] ] = None ,
metadata : Optional [ Dict [ str , Any ] ] = None ,
* * kwargs : Any ,
) - > str :
""" Execute chain when there' s a single string output .
) - > Any :
""" Convenience method for executing chain .
The main difference between this method and ` Chain . __call__ ` is that this method
can only be used for chains that return a single string output . If a Chain
has more outputs , a non - string output , or you want to return the inputs / run
info along with the outputs , use ` Chain . __call__ ` .
The other difference is that this method expects inputs to be passed directly in
as positional arguments or keyword arguments , whereas ` Chain . __call__ ` expects
a single input dictionary with all the inputs .
The main difference between this method and ` Chain . __call__ ` is that this
method expects inputs to be passed directly in as positional arguments or
keyword arguments , whereas ` Chain . __call__ ` expects a single input dictionary
with all the inputs
Args :
* args : If the chain expects a single input , it can be passed in as the
@ -415,7 +411,7 @@ class Chain(Serializable, ABC):
directly as keyword arguments .
Returns :
The chain output as a string .
The chain output .
Example :
. . code - block : : python
@ -464,17 +460,14 @@ class Chain(Serializable, ABC):
tags : Optional [ List [ str ] ] = None ,
metadata : Optional [ Dict [ str , Any ] ] = None ,
* * kwargs : Any ,
) - > str :
""" Execute chain when there' s a single string output .
) - > Any :
""" Convenience method for executing chain .
The main difference between this method and ` Chain . __call__ ` is that this method
can only be used for chains that return a single string output . If a Chain
has more outputs , a non - string output , or you want to return the inputs / run
info along with the outputs , use ` Chain . __call__ ` .
The main difference between this method and ` Chain . __call__ ` is that this
method expects inputs to be passed directly in as positional arguments or
keyword arguments , whereas ` Chain . __call__ ` expects a single input dictionary
with all the inputs
The other difference is that this method expects inputs to be passed directly in
as positional arguments or keyword arguments , whereas ` Chain . __call__ ` expects
a single input dictionary with all the inputs .
Args :
* args : If the chain expects a single input , it can be passed in as the
@ -489,7 +482,7 @@ class Chain(Serializable, ABC):
directly as keyword arguments .
Returns :
The chain output as a string .
The chain output .
Example :
. . code - block : : python