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import os | |
from modules import shared, utils | |
from pathlib import Path | |
import json | |
def list_subfoldersByTime(directory): | |
if not directory.endswith('/'): | |
directory += '/' | |
subfolders = [] | |
path = directory | |
name_list = os.listdir(path) | |
full_list = [os.path.join(path,i) for i in name_list] | |
time_sorted_list = sorted(full_list, key=os.path.getmtime,reverse=True) | |
for entry in time_sorted_list: | |
if os.path.isdir(entry): | |
entry_str = f"{entry}" # Convert entry to a string | |
full_path = entry_str | |
entry_str = entry_str.replace('\\','/') | |
entry_str = entry_str.replace(f"{directory}", "") # Remove directory part | |
subfolders.append(entry_str) | |
return subfolders | |
def get_available_loras_local(_sortedByTime): | |
model_dir = shared.args.lora_dir # Update with the appropriate directory path | |
subfolders = [] | |
if _sortedByTime: | |
subfolders = list_subfoldersByTime(model_dir) | |
else: | |
subfolders = utils.get_available_loras() | |
return subfolders | |
# FPHAM SPLIT BY SENTENCE BLOCK =============== | |
def split_sentences(text: str, cutoff_len: int): | |
sentences = [] | |
sentence = '' | |
delimiters = ['. ', '? ', '! ', '... ', '.\n', '?\n', '!\n','...\n','</s>','<//>'] | |
abbreviations = ['Mr. ', 'Mrs. ', 'Dr. ', 'Ms. ', 'St. ', 'Prof. ', 'Jr. ', 'Ltd. ', 'Capt. ', 'Col. ', 'Gen. ', 'Ave. ', 'Blvd. ', 'Co. ', 'Corp. ', 'Dept. ', 'Est. ', 'Gov. ', 'Inc. ', 'Ph.D. ', 'Univ. '] | |
errors = 0 | |
max_cut = cutoff_len-1 | |
prev_char = '' | |
for char in text: | |
sentence += char | |
if (any(sentence.endswith(delimiter) for delimiter in delimiters) and | |
not (prev_char.isupper() and len(sentence) >= 3 and sentence[-3] != ' ') and | |
not any(sentence.endswith(abbreviation) for abbreviation in abbreviations)): | |
tokens = shared.tokenizer.encode(sentence) | |
if len(tokens) > max_cut: | |
tokens = tokens[:max_cut] | |
sentence = shared.tokenizer.decode(tokens, skip_special_tokens=True) | |
errors = errors + 1 | |
sentences.append({'text': sentence, 'size': len(tokens)}) | |
sentence = '' | |
prev_char = char | |
if sentence: | |
tokens = shared.tokenizer.encode(sentence) | |
if len(tokens) > max_cut: | |
tokens = tokens[:max_cut] | |
sentence = shared.tokenizer.decode(tokens, skip_special_tokens=True) | |
errors = errors + 1 | |
sentences.append({'text': sentence, 'size': len(tokens)}) | |
if errors > 0: | |
print(f"Trimmed sentences beyond Cutoff Length: {errors}") | |
return sentences | |
# The goal of following code is to create blocks of text + overlapping blocks while: | |
# respects sentence boundaries | |
# always uses all the text | |
# hard cut defined by hard_cut_string or </s> will always end at the end of data block | |
# no overlapping blocks will be created across hard cut or across </s> token | |
def precise_cut(text: str, overlap: bool, min_chars_cut: int, eos_to_hc: bool, cutoff_len: int, hard_cut_string: str, debug_slicer:bool): | |
EOSX_str = '<//>' #hardcut placeholder | |
EOS_str = '</s>' | |
print("Precise raw text slicer: ON") | |
cut_string = hard_cut_string.replace('\\n', '\n') | |
text = text.replace(cut_string, EOSX_str) | |
sentences = split_sentences(text, cutoff_len) | |
print(f"Sentences: {len(sentences)}") | |
sentencelist = [] | |
currentSentence = '' | |
totalLength = 0 | |
max_cut = cutoff_len-1 | |
half_cut = cutoff_len//2 | |
halfcut_length = 0 | |
edgeindex = [] | |
half_index = 0 | |
for index, item in enumerate(sentences): | |
if halfcut_length+ item['size'] < half_cut: | |
halfcut_length += item['size'] | |
half_index = index | |
else: | |
edgeindex.append(half_index) | |
halfcut_length = -2 * max_cut | |
if totalLength + item['size'] < max_cut and not currentSentence.endswith(EOSX_str): | |
currentSentence += item['text'] | |
totalLength += item['size'] | |
else: | |
if len(currentSentence.strip()) > min_chars_cut: | |
sentencelist.append(currentSentence.strip()) | |
currentSentence = item['text'] | |
totalLength = item['size'] | |
halfcut_length = item['size'] | |
if len(currentSentence.strip()) > min_chars_cut: | |
sentencelist.append(currentSentence.strip()) | |
unique_blocks = len(sentencelist) | |
print(f"Text Blocks: {unique_blocks}") | |
#overlap strategies: | |
# don't overlap across HARD CUT (EOSX) | |
if overlap: | |
for edge_idx in edgeindex: | |
currentSentence = '' | |
totalLength = 0 | |
for item in sentences[edge_idx:]: | |
if totalLength + item['size'] < max_cut: | |
currentSentence += item['text'] | |
totalLength += item['size'] | |
else: | |
#if by chance EOSX is at the end then it's acceptable | |
if currentSentence.endswith(EOSX_str) and len(currentSentence.strip()) > min_chars_cut: | |
sentencelist.append(currentSentence.strip()) | |
# otherwise don't cross hard cut | |
elif EOSX_str not in currentSentence and len(currentSentence.strip()) > min_chars_cut: | |
sentencelist.append(currentSentence.strip()) | |
currentSentence = '' | |
totalLength = 0 | |
break | |
print(f"+ Overlapping blocks: {len(sentencelist)-unique_blocks}") | |
num_EOS = 0 | |
for i in range(len(sentencelist)): | |
if eos_to_hc: | |
sentencelist[i] = sentencelist[i].replace(EOSX_str, EOS_str) | |
else: | |
sentencelist[i] = sentencelist[i].replace(EOSX_str, '') | |
#someone may have had stop strings in the raw text... | |
sentencelist[i] = sentencelist[i].replace("</s></s>", EOS_str) | |
num_EOS += sentencelist[i].count(EOS_str) | |
if num_EOS > 0: | |
print(f"+ EOS count: {num_EOS}") | |
#final check for useless lines | |
sentencelist = [item for item in sentencelist if item.strip() != "</s>"] | |
sentencelist = [item for item in sentencelist if item.strip() != ""] | |
if debug_slicer: | |
# Write the log file | |
Path('logs').mkdir(exist_ok=True) | |
sentencelist_dict = {index: sentence for index, sentence in enumerate(sentencelist)} | |
output_file = "logs/sentencelist.json" | |
with open(output_file, 'w') as f: | |
json.dump(sentencelist_dict, f,indent=2) | |
print("Saved sentencelist.json in logs folder") | |
return sentencelist | |
def sliding_block_cut(text: str, min_chars_cut: int, eos_to_hc: bool, cutoff_len: int, hard_cut_string: str, debug_slicer:bool): | |
EOSX_str = '<//>' #hardcut placeholder | |
EOS_str = '</s>' | |
print("Mega Block Overlap: ON") | |
cut_string = hard_cut_string.replace('\\n', '\n') | |
text = text.replace(cut_string, EOSX_str) | |
sentences = split_sentences(text, cutoff_len) | |
print(f"Sentences: {len(sentences)}") | |
sentencelist = [] | |
max_cut = cutoff_len-1 | |
#print(f"max_cut: {max_cut}") | |
advancing_to = 0 | |
prev_block_lastsentence = "" | |
for i in range(len(sentences)): | |
totalLength = 0 | |
currentSentence = '' | |
lastsentence = "" | |
if i >= advancing_to: | |
for k in range(i, len(sentences)): | |
current_length = sentences[k]['size'] | |
if totalLength + current_length <= max_cut and not currentSentence.endswith(EOSX_str): | |
currentSentence += sentences[k]['text'] | |
totalLength += current_length | |
lastsentence = sentences[k]['text'] | |
else: | |
if len(currentSentence.strip()) > min_chars_cut: | |
if prev_block_lastsentence!=lastsentence: | |
sentencelist.append(currentSentence.strip()) | |
prev_block_lastsentence = lastsentence | |
advancing_to = 0 | |
if currentSentence.endswith(EOSX_str): | |
advancing_to = k | |
currentSentence = "" | |
totalLength = 0 | |
break | |
if currentSentence != "": | |
if len(currentSentence.strip()) > min_chars_cut: | |
sentencelist.append(currentSentence.strip()) | |
unique_blocks = len(sentencelist) | |
print(f"Text Blocks: {unique_blocks}") | |
num_EOS = 0 | |
for i in range(len(sentencelist)): | |
if eos_to_hc: | |
sentencelist[i] = sentencelist[i].replace(EOSX_str, EOS_str) | |
else: | |
sentencelist[i] = sentencelist[i].replace(EOSX_str, '') | |
#someone may have had stop strings in the raw text... | |
sentencelist[i] = sentencelist[i].replace("</s></s>", EOS_str) | |
num_EOS += sentencelist[i].count(EOS_str) | |
if num_EOS > 0: | |
print(f"+ EOS count: {num_EOS}") | |
#final check for useless lines | |
sentencelist = [item for item in sentencelist if item.strip() != "</s>"] | |
sentencelist = [item for item in sentencelist if item.strip() != ""] | |
if debug_slicer: | |
# Write the log file | |
Path('logs').mkdir(exist_ok=True) | |
sentencelist_dict = {index: sentence for index, sentence in enumerate(sentencelist)} | |
output_file = "logs/sentencelist.json" | |
with open(output_file, 'w') as f: | |
json.dump(sentencelist_dict, f,indent=2) | |
print("Saved sentencelist.json in logs folder") | |
return sentencelist | |