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Add ChatVertexAI #124

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merged 6 commits into from
Jun 6, 2024
Merged

Add ChatVertexAI #124

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e796957
Handle empty list element as first message delta.
raulchedrese May 2, 2024
f027a3a
Added ChatVertexAI model.
raulchedrese May 2, 2024
fa82ea7
Add support for images.
raulchedrese May 21, 2024
5aabf30
Merge branch 'brainlid:main' into main
raulchedrese May 28, 2024
c25ca9f
Adapted ChatGoogleAI tests for ChatVertexAI.
raulchedrese May 28, 2024
f6dcb69
Remove handling of Azure special case.
raulchedrese Jun 3, 2024
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12 changes: 12 additions & 0 deletions lib/chains/llm_chain.ex
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Expand Up @@ -226,6 +226,18 @@ defmodule LangChain.Chains.LLMChain do

{:ok, updated_chain}

# When calling the latest OpenAI models through Azure it sometimes returns an empty list
# as the first element of a list of MessageDeltas. This is a workaround to handle that.
# It would likely be better to handle this in ChatOpenAI instead.
{:ok, [[] | _] = deltas} ->
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if chain.verbose_deltas, do: IO.inspect(deltas, label: "DELTA MESSAGE LIST RESPONSE")
updated_chain = apply_deltas(chain, deltas)

if chain.verbose,
do: IO.inspect(updated_chain.last_message, label: "COMBINED DELTA MESSAGE RESPONSE")

{:ok, updated_chain}

{:ok, [[%MessageDelta{} | _] | _] = deltas} ->
if chain.verbose_deltas, do: IO.inspect(deltas, label: "DELTA MESSAGE LIST RESPONSE")
updated_chain = apply_deltas(chain, deltas)
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