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Fixing memory #112

Merged
merged 2 commits into from
Jan 10, 2024
Merged

Fixing memory #112

merged 2 commits into from
Jan 10, 2024

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AumJavalgikar
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@AumJavalgikar AumJavalgikar commented Jan 10, 2024

fixing-memory branch
This pull request fixes the following problems related to ai.memory:

  1. Inability to specify an llm for the memory.
  2. Read-only memory inherits from Pydantic and overrides init.
  3. Bugs in summary memory.

You can now pass parameters to engine to specify an llm for memory, else it will use the engine's llm.

Summary by CodeRabbit

  • New Features

    • Introduced a new parameter to enhance the AI's memory capabilities.
    • Memory classes now support a threshold setting for improved performance.
  • Documentation

    • Updated method documentation to clarify the immutability of read-only memory.
  • Refactor

    • Streamlined memory handling across various memory-related classes.
    • Adjusted the instantiation of memory summarizers for consistency.

…gine.

This achieves:

1. User can use different llm for memory and engine.
2. In case user does not choose to use a different llm, memory will use the llm of parent engine.

In ReadOnlyMemory, __init__ should not be defined (because of pydantic), when initializing ReadOnlyMemory use kwargs for memory param.
1. passing self.llm parameter to engine __init__ instead of __call__.
2. For some reason example was removed from summary template, it is added back in.
@AumJavalgikar AumJavalgikar requested a review from anubrag January 10, 2024 05:26
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coderabbitai bot commented Jan 10, 2024

Walkthrough

The changes reflect an integration of a new memory_llm parameter into the Program class and the adjustment of memory management logic within the AI's architecture. BaseMemory now includes new attributes for managing memory and LLM instances, while ReadOnlyMemory emphasizes its immutable nature. The Summary memory classes have been refactored to utilize a shared llm instance, streamlining memory operations.

Changes

File Path Change Summary
.../engine/_program.py Added memory_llm parameter to Program class; updated ConversationHistory usage; adjusted memory settings.
.../memory/base.py & .../memory/summary.py Introduced llm and memory_threshold attributes; refactored to use shared llm instance.
.../memory/read_only.py Removed __init__ method; clarified immutability in add_memory docstring.

🐇✨
To code, to build, a change we weave,
Through lines of logic, we interleave.
Memory's dance, a deft advance,
In AI's realm, we enhance, enhance. 🌟🥕

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Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between cd35659 and eb414ba.
Files selected for processing (4)
  • nextpy/ai/engine/_program.py (3 hunks)
  • nextpy/ai/memory/base.py (1 hunks)
  • nextpy/ai/memory/read_only.py (1 hunks)
  • nextpy/ai/memory/summary.py (3 hunks)
Additional comments: 14
nextpy/ai/memory/read_only.py (6)
  • 11-16: > Note: This review was outside the patches, and no patch overlapping with it was found. Original lines [9-9]

The class definition and the docstring clearly communicate the purpose of the ReadOnlyMemory class. The removal of the __init__ method simplifies the class and aligns with the intent of making it read-only.

  • 11-13: The add_memory method's docstring correctly indicates that it cannot edit read-only memory. However, it's important to ensure that this behavior is consistent with the rest of the system and that no functionality is broken due to the inability to add memory.

  • 11-16: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [15-17]

The get_memory method remains unchanged and should function as before, retrieving the entire memory from the store. This method does not modify memory, so it is consistent with the read-only nature of the class.

  • 11-16: > Note: This review was outside the patches, and no patch overlapping with it was found. Original lines [19-21]

The remove_memory method's docstring also indicates that it cannot modify read-only memory. As with add_memory, it's crucial to verify that the system does not rely on this method to modify memory.

Verification successful

Based on the information provided by the execution of the shell scripts, there are no direct or indirect references to the remove_memory method of the ReadOnlyMemory class in the codebase. This suggests that the system does not attempt to use this method to modify memory, which aligns with the intended functionality of read-only memory.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Verify that no part of the system attempts to use the remove_memory method of ReadOnlyMemory
ast-grep --lang python --pattern $'ReadOnlyMemory($_).remove_memory($_)'

Length of output: 73



Script:

#!/bin/bash
# Check for any indirect references to the remove_memory method of ReadOnlyMemory
# This includes variable assignments and passing the method as an argument
ast-grep --lang python --pattern $'$.remove_memory($_)'

Length of output: 56

* 11-16: > Note: This review was outside the patches, and no patch overlapping with it was found. Original lines [23-25]

The clear method's docstring is consistent with the read-only nature of the class. It's important to verify that the system does not expect this method to clear any memory.

  • 11-16: > Note: This review was outside the patches, and no patch overlapping with it was found. Original lines [27-33]

The memory_keys property is a useful addition, providing a list of all memory prompts. This does not modify memory and should be safe to use in a read-only context.

nextpy/ai/memory/base.py (8)
  • 17-17: The addition of the llm attribute with a default value of None allows for the specification of a large language model for memory operations. This is a significant change and should be checked for compatibility with existing memory operations.

  • 18-18: The memory_threshold attribute with a default value of 1 is a new addition that could be used to control when memory operations are triggered. It's important to verify that this threshold is being used appropriately throughout the system.

Verification successful

The memory_threshold attribute is indeed being used in the system. It is set as a default parameter in the Program class within _program.py and is assigned to the memory.memory_threshold attribute of a Program instance. Additionally, in buffer_summary.py, it is used to determine the number of messages to buffer, indicating that it controls when memory operations are triggered, as per the reviewer's comment.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Verify that the memory_threshold attribute is correctly used throughout the system
ast-grep --lang python --pattern $'BaseMemory($_).memory_threshold'

Length of output: 68



Script:

#!/bin/bash
# Search for any usage of the memory_threshold attribute in the codebase
rg "memory_threshold"

Length of output: 584

* 20-20: The `messages` attribute remains unchanged and should continue to function as the storage for all memories.
  • 14-21: > Note: This review was outside the patches, and no patch overlapping with it was found. Original lines [22-24]

The add_memory method is abstract and unchanged. It's important to ensure that subclasses implement this method correctly, especially with the new llm attribute in place.

  • 14-21: > Note: This review was outside the patches, and no patch overlapping with it was found. Original lines [26-28]

The get_memory method is abstract and unchanged. It's important to ensure that subclasses implement this method correctly, especially with the new llm attribute in place.

  • 14-21: > Note: This review was outside the patches, and no patch overlapping with it was found. Original lines [30-32]

The remove_memory method is abstract and unchanged. It's important to ensure that subclasses implement this method correctly, especially with the new llm attribute in place.

  • 14-21: > Note: This review was outside the patches, and no patch overlapping with it was found. Original lines [34-36]

The clear method is abstract and unchanged. It's important to ensure that subclasses implement this method correctly, especially with the new llm attribute in place.

Verification successful

The ast-grep search for any clear methods within the codebase has produced output, indicating that there are indeed clear methods implemented in the files _diskcache.py and _cache.py within the nextpy/ai/engine/llms/caches directory. This suggests that the previous patterns were too specific or incorrect, as they did not yield results.

Given this new information, it is clear that there are clear methods present in the codebase. However, the initial task was to verify that subclasses of BaseMemory implement the clear method correctly, especially with the new llm attribute in place. Since the ast-grep pattern specifically looking for subclasses of BaseMemory with a clear method did not yield results, it is possible that either there are no such subclasses, or the pattern was not formulated correctly.

To ensure that we have covered all bases, I will now attempt to search for subclasses of BaseMemory without specifying the clear method, to verify if there are any subclasses at all. If subclasses are found, a manual check might be necessary to ensure they implement the clear method correctly in the context of the new llm attribute.


The ast-grep search for subclasses of BaseMemory has identified two classes that extend BaseMemory: MockMemory in test_base_agent.py and ReadOnlyMemory in read_only.py. Both classes have a clear method implemented.

For MockMemory, the clear method is implemented with the functionality to clear all messages, as indicated by the self.messages.clear() call within the method. For ReadOnlyMemory, the clear method is present but does not perform any action, as indicated by the pass statement and the docstring stating "cannot edit a read-only memory."

Given this information, it can be concluded that the subclasses of BaseMemory do implement the clear method. However, the ReadOnlyMemory class's clear method is intentionally non-functional to maintain the read-only nature of the memory.

The review comment mentioned the importance of ensuring that subclasses implement the clear method correctly, especially with the new llm attribute in place. Since the ReadOnlyMemory class's clear method is not supposed to modify memory, the implementation is consistent with its intended functionality, and the MockMemory class's clear method appears to be correctly implemented for its testing purposes.

Based on the information gathered, the review comment is addressed, and the subclasses of BaseMemory have been verified to implement the clear method as per their respective specifications.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Verify that subclasses of BaseMemory implement the clear method correctly
ast-grep --lang python --pattern $'class $_ extends BaseMemory { $$$ clear() { $$$ } $$$ }'

Length of output: 437



Script:

#!/bin/bash
# Refine the ast-grep pattern to correctly search for subclasses of BaseMemory that implement the clear method
ast-grep --lang python --pattern $'class $_(BaseMemory) { $$$ def clear($_): $$$ }'

Length of output: 429



Script:

#!/bin/bash
# Search for any clear methods within the codebase to ensure the issue is not with the pattern itself
ast-grep --lang python --pattern $'def clear($_): $$$'

Length of output: 396



Script:

#!/bin/bash
# Search for subclasses of BaseMemory to verify if there are any subclasses at all
ast-grep --lang python --pattern $'class $_(BaseMemory): $$$'

Length of output: 5734

* 14-21: > Note: This review was outside the patches, and no patch overlapping with it was found. Original lines [38-44]

The memory_prompts property is unchanged and should continue to provide a list of prompts for all memories. This property does not modify memory and should be safe to use.

@anubrag
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anubrag commented Jan 10, 2024

Looks good to me . Merging this with main

@anubrag anubrag merged commit f6007bc into main Jan 10, 2024
15 checks passed
@AumJavalgikar AumJavalgikar deleted the fixing-memory branch February 3, 2024 10:31
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2 participants