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https://github.com/Alexander-D-Karpov/akarpov
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9e9cc2f58c
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9e9cc2f58c | ||
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34cb364e62 |
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@ -1,37 +0,0 @@
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from nltk.corpus import stopwords
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from nltk.stem import WordNetLemmatizer
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from nltk.tokenize import word_tokenize
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from pymorphy3 import MorphAnalyzer
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# Set up stop words
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english_stopwords = set(stopwords.words("english"))
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russian_stopwords = set(stopwords.words("russian"))
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# Set up lemmatizers
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english_lemmatizer = WordNetLemmatizer()
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russian_lemmatizer = MorphAnalyzer()
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def lemmatize_and_remove_stopwords(text, language="english"):
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# Tokenize the text
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tokens = word_tokenize(text)
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# Lemmatize each token based on the specified language
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lemmatized_tokens = []
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for token in tokens:
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if language == "russian":
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lemmatized_token = russian_lemmatizer.parse(token)[0].normal_form
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else: # Default to English
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lemmatized_token = english_lemmatizer.lemmatize(token)
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lemmatized_tokens.append(lemmatized_token)
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# Remove stop words
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filtered_tokens = [
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token
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for token in lemmatized_tokens
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if token not in english_stopwords and token not in russian_stopwords
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]
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# Reconstruct the text
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filtered_text = " ".join(filtered_tokens)
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return filtered_text
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@ -3,14 +3,13 @@
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from typing import BinaryIO
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from django.conf import settings
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from django.contrib.postgres.lookups import Unaccent
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from django.contrib.postgres.search import TrigramSimilarity
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from django.db.models import F, Func, Q, QuerySet
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from django.db.models import Q, QuerySet
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from haystack.query import SearchQuerySet
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from akarpov.files.models import File
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from .lema import lemmatize_and_remove_stopwords
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class BaseSearch:
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def __init__(self, queryset: QuerySet | None = None):
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@ -77,17 +76,6 @@ def _byte_search_in_file(file: BinaryIO, byte_sequence: bytes) -> bool:
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return False
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class UnaccentLower(Func):
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function = "UNACCENT"
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def as_sql(self, compiler, connection):
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unaccented_sql, unaccented_params = compiler.compile(
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self.get_source_expressions()[0]
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)
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lower_unaccented_sql = f"LOWER({unaccented_sql})"
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return lower_unaccented_sql, unaccented_params
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class SimilaritySearch(BaseSearch):
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def __init__(self, queryset: QuerySet[File] | None = None):
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super().__init__(queryset)
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@ -96,40 +84,18 @@ def search(self, query: str) -> QuerySet[File]:
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if self.queryset is None:
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raise ValueError("Queryset cannot be None for similarity search")
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# Detect language and preprocess the query
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language = "russian" if re.search("[а-яА-Я]", query) else "english"
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filtered_query = lemmatize_and_remove_stopwords(query, language=language)
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# Annotate the queryset with similarity scores for each field
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queryset = (
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# Perform a similarity search using trigram comparison
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return (
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self.queryset.annotate(
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name_similarity=TrigramSimilarity(
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UnaccentLower("name"), filtered_query
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),
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description_similarity=TrigramSimilarity(
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UnaccentLower("description"), filtered_query
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),
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content_similarity=TrigramSimilarity(
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UnaccentLower("content"), filtered_query
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),
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name_unaccent=Unaccent("name"),
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description_unaccent=Unaccent("description"),
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content_unaccent=Unaccent("content"),
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)
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.annotate(
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combined_similarity=(
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F("name_similarity")
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+ F("description_similarity")
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+ F("content_similarity")
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)
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/ 3
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similarity=TrigramSimilarity("name_unaccent", query)
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+ TrigramSimilarity("description_unaccent", query)
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+ TrigramSimilarity("content_unaccent", query)
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)
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.filter(combined_similarity__gt=0.1)
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.order_by("-combined_similarity")
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.filter(similarity__gt=0.1)
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.order_by("-similarity")
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)
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print(filtered_query)
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print(queryset.query)
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print(
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queryset.values(
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"name_similarity", "description_similarity", "content_similarity"
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)
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)
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return queryset
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@ -65,6 +65,7 @@ def filter(self, queryset):
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queryset=File.objects.filter(user=self.request.user)
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)
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queryset = search_instance.search(query)
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print(queryset, query)
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return queryset
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@ -38,7 +38,6 @@ RUN python -m venv /venv
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COPY pyproject.toml poetry.lock /app/
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RUN poetry export --without-hashes -f requirements.txt | /venv/bin/pip install -r /dev/stdin
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RUN python -m nltk.downloader punkt stopwords wordnet
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COPY . .
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RUN poetry build && /venv/bin/pip install dist/*.whl
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@ -107,7 +107,6 @@
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]
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THIRD_PARTY_APPS = [
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"django.contrib.postgres",
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"crispy_forms",
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"crispy_bootstrap5",
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"allauth",
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90
poetry.lock
generated
90
poetry.lock
generated
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@ -1512,17 +1512,6 @@ twisted = {version = ">=22.4", extras = ["tls"]}
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[package.extras]
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tests = ["django", "hypothesis", "pytest", "pytest-asyncio"]
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[[package]]
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name = "dawg-python"
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version = "0.7.2"
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description = "Pure-python reader for DAWGs (DAFSAs) created by dawgdic C++ library or DAWG Python extension."
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optional = false
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python-versions = "*"
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files = [
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{file = "DAWG-Python-0.7.2.tar.gz", hash = "sha256:4a5e3286e6261cca02f205cfd5516a7ab10190fa30c51c28d345808f595e3421"},
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{file = "DAWG_Python-0.7.2-py2.py3-none-any.whl", hash = "sha256:4941d5df081b8d6fcb4597e073a9f60d5c1ccc9d17cd733e8744d7ecfec94ef3"},
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]
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[[package]]
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name = "decorator"
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version = "5.1.1"
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@ -2151,17 +2140,6 @@ compatible-mypy = ["mypy (>=0.991,<0.1000)"]
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coreapi = ["coreapi (>=2.0.0)"]
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markdown = ["types-Markdown (>=0.1.5)"]
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[[package]]
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name = "docopt-ng"
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version = "0.9.0"
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description = "Jazzband-maintained fork of docopt, the humane command line arguments parser."
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optional = false
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python-versions = ">=3.7"
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files = [
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{file = "docopt_ng-0.9.0-py3-none-any.whl", hash = "sha256:bfe4c8b03f9fca424c24ee0b4ffa84bf7391cb18c29ce0f6a8227a3b01b81ff9"},
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{file = "docopt_ng-0.9.0.tar.gz", hash = "sha256:91c6da10b5bb6f2e9e25345829fb8278c78af019f6fc40887ad49b060483b1d7"},
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]
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[[package]]
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name = "docutils"
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version = "0.20.1"
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@ -3104,17 +3082,6 @@ MarkupSafe = ">=2.0"
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[package.extras]
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i18n = ["Babel (>=2.7)"]
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[[package]]
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name = "joblib"
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version = "1.3.2"
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description = "Lightweight pipelining with Python functions"
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optional = false
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python-versions = ">=3.7"
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files = [
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{file = "joblib-1.3.2-py3-none-any.whl", hash = "sha256:ef4331c65f239985f3f2220ecc87db222f08fd22097a3dd5698f693875f8cbb9"},
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{file = "joblib-1.3.2.tar.gz", hash = "sha256:92f865e621e17784e7955080b6d042489e3b8e294949cc44c6eac304f59772b1"},
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]
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[[package]]
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name = "jsonfield"
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version = "3.1.0"
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@ -3944,31 +3911,6 @@ doc = ["nb2plots (>=0.6)", "numpydoc (>=1.5)", "pillow (>=9.4)", "pydata-sphinx-
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extra = ["lxml (>=4.6)", "pydot (>=1.4.2)", "pygraphviz (>=1.10)", "sympy (>=1.10)"]
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test = ["codecov (>=2.1)", "pytest (>=7.2)", "pytest-cov (>=4.0)"]
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[[package]]
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name = "nltk"
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version = "3.8.1"
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description = "Natural Language Toolkit"
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optional = false
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python-versions = ">=3.7"
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files = [
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{file = "nltk-3.8.1-py3-none-any.whl", hash = "sha256:fd5c9109f976fa86bcadba8f91e47f5e9293bd034474752e92a520f81c93dda5"},
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{file = "nltk-3.8.1.zip", hash = "sha256:1834da3d0682cba4f2cede2f9aad6b0fafb6461ba451db0efb6f9c39798d64d3"},
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]
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[package.dependencies]
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click = "*"
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joblib = "*"
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regex = ">=2021.8.3"
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tqdm = "*"
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[package.extras]
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all = ["matplotlib", "numpy", "pyparsing", "python-crfsuite", "requests", "scikit-learn", "scipy", "twython"]
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corenlp = ["requests"]
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machine-learning = ["numpy", "python-crfsuite", "scikit-learn", "scipy"]
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plot = ["matplotlib"]
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tgrep = ["pyparsing"]
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twitter = ["twython"]
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[[package]]
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name = "nodeenv"
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version = "1.8.0"
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@ -4851,36 +4793,6 @@ files = [
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[package.dependencies]
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pylint = ">=1.7"
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[[package]]
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name = "pymorphy3"
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version = "1.2.1"
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description = "Morphological analyzer (POS tagger + inflection engine) for Russian language."
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optional = false
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python-versions = "*"
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files = [
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{file = "pymorphy3-1.2.1-py3-none-any.whl", hash = "sha256:88700966f55e77e3d2aedf194fa00bb4a175c2626017fe423e94ce11bc98f1ff"},
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{file = "pymorphy3-1.2.1.tar.gz", hash = "sha256:0cc186a3b0716129dd45e3b89f5e8339e5943d9013f93cfd4c58e5335daf296d"},
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]
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[package.dependencies]
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dawg-python = ">=0.7.1"
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docopt-ng = ">=0.6"
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pymorphy3-dicts-ru = "*"
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[package.extras]
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fast = ["DAWG (>=0.8)"]
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[[package]]
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name = "pymorphy3-dicts-ru"
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version = "2.4.417150.4580142"
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description = "Russian dictionaries for pymorphy2"
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optional = false
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python-versions = "*"
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files = [
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{file = "pymorphy3-dicts-ru-2.4.417150.4580142.tar.gz", hash = "sha256:39ab379d4ca905bafed50f5afc3a3de6f9643605776fbcabc4d3088d4ed382b0"},
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{file = "pymorphy3_dicts_ru-2.4.417150.4580142-py2.py3-none-any.whl", hash = "sha256:718bac64c73c10c16073a199402657283d9b64c04188b694f6d3e9b0d85440f4"},
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]
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[[package]]
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name = "pyopenssl"
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version = "23.2.0"
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@ -7766,4 +7678,4 @@ testing = ["coverage (>=5.0.3)", "zope.event", "zope.testing"]
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[metadata]
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lock-version = "2.0"
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python-versions = "^3.11"
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content-hash = "66f69d7c71004c0446a51845aa50a5f3e4a7fda401e8f18a9684ae5e34e6be75"
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content-hash = "96905e9613ee78eb47461e88acc8fe40b481de95425960bb71a559c368f942bb"
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@ -110,9 +110,6 @@ uuid6 = "^2023.5.2"
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fastapi = "0.86.0"
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django-haystack = {extras = ["elasticsearch"], version = "^3.2.1"}
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uvicorn = "^0.24.0.post1"
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nltk = "^3.8.1"
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pymorphy3 = "^1.2.1"
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pymorphy3-dicts-ru = "^2.4.417150.4580142"
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[build-system]
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@ -7,12 +7,12 @@ readme = "README.md"
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[tool.poetry.dependencies]
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python = "^3.11"
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farm-haystack = "^1.21.2"
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fastapi = "0.99.1"
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pydantic = "1.10.13"
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transformers = {version = "4.34.1", extras = ["torch"]}
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torch = ">=2.0.0, !=2.0.1, !=2.1.0"
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farm-haystack = {extras = ["faiss"], version = "^1.21.2"}
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milvus-haystack = "^0.0.2"
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[build-system]
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requires = ["poetry-core>=1.0.0"]
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requires = ["poetry-core"]
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build-backend = "poetry.core.masonry.api"
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