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Option to use env variable for BPE_FILE location #128

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Option to use env variable for BPE_FILE location #128

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4dfe04d
Added ability to use other source location fro bpe file
csnelsonchu May 15, 2023
ac87ad4
Merge pull request #1 from superinsight/superinsight-fix-aws-vpc-down…
csnelsonchu May 15, 2023
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44 changes: 33 additions & 11 deletions tiktoken_ext/openai_public.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
from tiktoken.load import data_gym_to_mergeable_bpe_ranks, load_tiktoken_bpe
import os

ENDOFTEXT = "<|endoftext|>"
FIM_PREFIX = "<|fim_prefix|>"
Expand All @@ -8,9 +9,17 @@


def gpt2():
vocab_bpe_file = os.environ.get(
"TIKTOKEN_BPE_FILE_GPT2_VOCAB",
"https://openaipublic.blob.core.windows.net/gpt-2/encodings/main/vocab.bpe",
)
encoder_json_file = os.environ.get(
"TIKTOKEN_BPE_FILE_GPT2_ENCODER",
"https://openaipublic.blob.core.windows.net/gpt-2/encodings/main/encoder.json",
)
mergeable_ranks = data_gym_to_mergeable_bpe_ranks(
vocab_bpe_file="https://openaipublic.blob.core.windows.net/gpt-2/encodings/main/vocab.bpe",
encoder_json_file="https://openaipublic.blob.core.windows.net/gpt-2/encodings/main/encoder.json",
vocab_bpe_file=vocab_bpe_file,
encoder_json_file=encoder_json_file,
)
return {
"name": "gpt2",
Expand All @@ -22,9 +31,11 @@ def gpt2():


def r50k_base():
mergeable_ranks = load_tiktoken_bpe(
"https://openaipublic.blob.core.windows.net/encodings/r50k_base.tiktoken"
tiktoken_bpe_file = os.environ.get(
"TIKTOKEN_BPE_FILE_R50K_BASE",
"https://openaipublic.blob.core.windows.net/encodings/r50k_base.tiktoken",
)
mergeable_ranks = load_tiktoken_bpe(tiktoken_bpe_file)
return {
"name": "r50k_base",
"explicit_n_vocab": 50257,
Expand All @@ -35,9 +46,11 @@ def r50k_base():


def p50k_base():
mergeable_ranks = load_tiktoken_bpe(
"https://openaipublic.blob.core.windows.net/encodings/p50k_base.tiktoken"
tiktoken_bpe_file = os.environ.get(
"TIKTOKEN_BPE_FILE_P50K_BASE",
"https://openaipublic.blob.core.windows.net/encodings/p50k_base.tiktoken",
)
mergeable_ranks = load_tiktoken_bpe(tiktoken_bpe_file)
return {
"name": "p50k_base",
"explicit_n_vocab": 50281,
Expand All @@ -48,10 +61,17 @@ def p50k_base():


def p50k_edit():
mergeable_ranks = load_tiktoken_bpe(
"https://openaipublic.blob.core.windows.net/encodings/p50k_base.tiktoken"
tiktoken_bpe_file = os.environ.get(
"TIKTOKEN_BPE_FILE_P50K_BASE",
"https://openaipublic.blob.core.windows.net/encodings/p50k_base.tiktoken",
)
special_tokens = {ENDOFTEXT: 50256, FIM_PREFIX: 50281, FIM_MIDDLE: 50282, FIM_SUFFIX: 50283}
mergeable_ranks = load_tiktoken_bpe(tiktoken_bpe_file)
special_tokens = {
ENDOFTEXT: 50256,
FIM_PREFIX: 50281,
FIM_MIDDLE: 50282,
FIM_SUFFIX: 50283,
}
return {
"name": "p50k_edit",
"pat_str": r"""'s|'t|'re|'ve|'m|'ll|'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+""",
Expand All @@ -61,9 +81,11 @@ def p50k_edit():


def cl100k_base():
mergeable_ranks = load_tiktoken_bpe(
"https://openaipublic.blob.core.windows.net/encodings/cl100k_base.tiktoken"
tiktoken_bpe_file = os.environ.get(
"TIKTOKEN_BPE_FILE_CL100K_BASE",
"https://openaipublic.blob.core.windows.net/encodings/cl100k_base.tiktoken",
)
mergeable_ranks = load_tiktoken_bpe(tiktoken_bpe_file)
special_tokens = {
ENDOFTEXT: 100257,
FIM_PREFIX: 100258,
Expand Down