Add linters configs

.github/workflows/linters.yaml

@@ -0,0 +1,35 @@
+name: Linters
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  Run-Pre-Commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 32
+
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+
+      - name: Install pre-commit
+        run: pip3 install pre-commit
+
+      - name: Pre-commit (Push)
+        env:
+          SETUPTOOLS_USE_DISTUTILS: stdlib
+        if: ${{ github.event_name == 'push' }}
+        run: pre-commit run --source ${{ github.event.before }} --origin ${{ github.event.after }} --show-diff-on-failure
+
+      - name: Pre-commit (Pull-Request)
+        env:
+          SETUPTOOLS_USE_DISTUTILS: stdlib
+        if: ${{ github.event_name == 'pull_request' }}
+        run: pre-commit run --source ${{ github.event.pull_request.base.sha }} --origin ${{ github.event.pull_request.head.sha }} --show-diff-on-failure

.pre-commit-config.yaml

@@ -0,0 +1,20 @@
+exclude: 'docs|node_modules|migrations|.git|.tox'
+
+repos:
+- repo: https://github.com/ambv/black
+  rev: 21.12b0
+  hooks:
+    - id: black
+      language_version: python3.9
+- repo: https://github.com/pycqa/isort
+  rev: 5.10.1
+  hooks:
+    - id: isort
+- repo: https://github.com/csachs/pyproject-flake8
+  rev: v0.0.1a2.post1
+  hooks:
+    - id: pyproject-flake8
+      additional_dependencies: [
+        '-e', 'git+https://github.com/pycqa/pyflakes@1911c20#egg=pyflakes',
+        '-e', 'git+https://github.com/pycqa/pycodestyle@d219c68#egg=pycodestyle',
+      ]

docker/build.dockerfile

@@ -4,8 +4,11 @@ FROM python:3.10-slim as build-image
 #     && apt-get install --no-install-recommends -y gcc build-essential python3-dev libpq-dev libffi-dev \
 #     && rm -rf /var/lib/apt/lists/*
 
-WORKDIR /
+WORKDIR /root/poetry
-COPY ./requirements.txt ./
+COPY pyproject.toml poetry.lock /root/poetry/
+
+RUN pip install poetry --no-cache-dir \
+    && poetry export --without-hashes > requirements.txt
 
 ENV VENV_PATH=/opt/venv
 RUN python -m venv $VENV_PATH \

poetry.lock

@@ -0,0 +1,346 @@
+[[package]]
+name = "anyio"
+version = "3.4.0"
+description = "High level compatibility layer for multiple asynchronous event loop implementations"
+category = "main"
+optional = false
+python-versions = ">=3.6.2"
+
+[package.dependencies]
+idna = ">=2.8"
+sniffio = ">=1.1"
+
+[package.extras]
+doc = ["sphinx-rtd-theme", "sphinx-autodoc-typehints (>=1.2.0)"]
+test = ["coverage[toml] (>=4.5)", "hypothesis (>=4.0)", "pytest (>=6.0)", "pytest-mock (>=3.6.1)", "trustme", "contextlib2", "uvloop (<0.15)", "mock (>=4)", "uvloop (>=0.15)"]
+trio = ["trio (>=0.16)"]
+
+[[package]]
+name = "asgiref"
+version = "3.4.1"
+description = "ASGI specs, helper code, and adapters"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.extras]
+tests = ["pytest", "pytest-asyncio", "mypy (>=0.800)"]
+
+[[package]]
+name = "certifi"
+version = "2021.10.8"
+description = "Python package for providing Mozilla's CA Bundle."
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "charset-normalizer"
+version = "2.0.9"
+description = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
+category = "main"
+optional = false
+python-versions = ">=3.5.0"
+
+[package.extras]
+unicode_backport = ["unicodedata2"]
+
+[[package]]
+name = "click"
+version = "8.0.3"
+description = "Composable command line interface toolkit"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+colorama = {version = "*", markers = "platform_system == \"Windows\""}
+
+[[package]]
+name = "colorama"
+version = "0.4.4"
+description = "Cross-platform colored terminal text."
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[[package]]
+name = "fastapi"
+version = "0.70.1"
+description = "FastAPI framework, high performance, easy to learn, fast to code, ready for production"
+category = "main"
+optional = false
+python-versions = ">=3.6.1"
+
+[package.dependencies]
+pydantic = ">=1.6.2,<1.7 || >1.7,<1.7.1 || >1.7.1,<1.7.2 || >1.7.2,<1.7.3 || >1.7.3,<1.8 || >1.8,<1.8.1 || >1.8.1,<2.0.0"
+starlette = "0.16.0"
+
+[package.extras]
+all = ["requests (>=2.24.0,<3.0.0)", "jinja2 (>=2.11.2,<4.0.0)", "python-multipart (>=0.0.5,<0.0.6)", "itsdangerous (>=1.1.0,<3.0.0)", "pyyaml (>=5.3.1,<6.0.0)", "ujson (>=4.0.1,<5.0.0)", "orjson (>=3.2.1,<4.0.0)", "email_validator (>=1.1.1,<2.0.0)", "uvicorn[standard] (>=0.12.0,<0.16.0)"]
+dev = ["python-jose[cryptography] (>=3.3.0,<4.0.0)", "passlib[bcrypt] (>=1.7.2,<2.0.0)", "autoflake (>=1.4.0,<2.0.0)", "flake8 (>=3.8.3,<4.0.0)", "uvicorn[standard] (>=0.12.0,<0.16.0)"]
+doc = ["mkdocs (>=1.1.2,<2.0.0)", "mkdocs-material (>=7.1.9,<8.0.0)", "mdx-include (>=1.4.1,<2.0.0)", "mkdocs-markdownextradata-plugin (>=0.1.7,<0.3.0)", "typer-cli (>=0.0.12,<0.0.13)", "pyyaml (>=5.3.1,<6.0.0)"]
+test = ["pytest (>=6.2.4,<7.0.0)", "pytest-cov (>=2.12.0,<4.0.0)", "mypy (==0.910)", "flake8 (>=3.8.3,<4.0.0)", "black (==21.9b0)", "isort (>=5.0.6,<6.0.0)", "requests (>=2.24.0,<3.0.0)", "httpx (>=0.14.0,<0.19.0)", "email_validator (>=1.1.1,<2.0.0)", "sqlalchemy (>=1.3.18,<1.5.0)", "peewee (>=3.13.3,<4.0.0)", "databases[sqlite] (>=0.3.2,<0.6.0)", "orjson (>=3.2.1,<4.0.0)", "ujson (>=4.0.1,<5.0.0)", "python-multipart (>=0.0.5,<0.0.6)", "flask (>=1.1.2,<3.0.0)", "anyio[trio] (>=3.2.1,<4.0.0)", "types-ujson (==0.1.1)", "types-orjson (==3.6.0)", "types-dataclasses (==0.1.7)"]
+
+[[package]]
+name = "h11"
+version = "0.12.0"
+description = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[[package]]
+name = "httpcore"
+version = "0.14.3"
+description = "A minimal low-level HTTP client."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+anyio = ">=3.0.0,<4.0.0"
+certifi = "*"
+h11 = ">=0.11,<0.13"
+sniffio = ">=1.0.0,<2.0.0"
+
+[package.extras]
+http2 = ["h2 (>=3,<5)"]
+
+[[package]]
+name = "httpx"
+version = "0.21.1"
+description = "The next generation HTTP client."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+certifi = "*"
+charset-normalizer = "*"
+httpcore = ">=0.14.0,<0.15.0"
+rfc3986 = {version = ">=1.3,<2", extras = ["idna2008"]}
+sniffio = "*"
+
+[package.extras]
+brotli = ["brotlicffi", "brotli"]
+cli = ["click (>=8.0.0,<9.0.0)", "rich (>=10.0.0,<11.0.0)", "pygments (>=2.0.0,<3.0.0)"]
+http2 = ["h2 (>=3,<5)"]
+
+[[package]]
+name = "idna"
+version = "3.3"
+description = "Internationalized Domain Names in Applications (IDNA)"
+category = "main"
+optional = false
+python-versions = ">=3.5"
+
+[[package]]
+name = "pydantic"
+version = "1.9.0"
+description = "Data validation and settings management using python 3.6 type hinting"
+category = "main"
+optional = false
+python-versions = ">=3.6.1"
+
+[package.dependencies]
+typing-extensions = ">=3.7.4.3"
+
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+email = ["email-validator (>=1.0.3)"]
+
+[[package]]
+name = "rfc3986"
+version = "1.5.0"
+description = "Validating URI References per RFC 3986"
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+idna = {version = "*", optional = true, markers = "extra == \"idna2008\""}
+
+[package.extras]
+idna2008 = ["idna"]
+
+[[package]]
+name = "six"
+version = "1.16.0"
+description = "Python 2 and 3 compatibility utilities"
+category = "main"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
+
+[[package]]
+name = "sniffio"
+version = "1.2.0"
+description = "Sniff out which async library your code is running under"
+category = "main"
+optional = false
+python-versions = ">=3.5"
+
+[[package]]
+name = "starlette"
+version = "0.16.0"
+description = "The little ASGI library that shines."
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+anyio = ">=3.0.0,<4"
+
+[package.extras]
+full = ["itsdangerous", "jinja2", "python-multipart", "pyyaml", "requests", "graphene"]
+
+[[package]]
+name = "transliterate"
+version = "1.10.2"
+description = "Bi-directional transliterator for Python"
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+six = ">=1.1.0"
+
+[[package]]
+name = "typing-extensions"
+version = "4.0.1"
+description = "Backported and Experimental Type Hints for Python 3.6+"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
+[[package]]
+name = "uvicorn"
+version = "0.16.0"
+description = "The lightning-fast ASGI server."
+category = "main"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+asgiref = ">=3.4.0"
+click = ">=7.0"
+h11 = ">=0.8"
+
+[package.extras]
+standard = ["httptools (>=0.2.0,<0.4.0)", "watchgod (>=0.6)", "python-dotenv (>=0.13)", "PyYAML (>=5.1)", "websockets (>=9.1)", "websockets (>=10.0)", "uvloop (>=0.14.0,!=0.15.0,!=0.15.1)", "colorama (>=0.4)"]
+
+[metadata]
+lock-version = "1.1"
+python-versions = "^3.9"
+content-hash = "49aa23d6fb30b9df82433bb137f2692b36688c5e794dc1611d8247cb0b026c78"
+
+[metadata.files]
+anyio = [
+    {file = "anyio-3.4.0-py3-none-any.whl", hash = "sha256:2855a9423524abcdd652d942f8932fda1735210f77a6b392eafd9ff34d3fe020"},
+    {file = "anyio-3.4.0.tar.gz", hash = "sha256:24adc69309fb5779bc1e06158e143e0b6d2c56b302a3ac3de3083c705a6ed39d"},
+]
+asgiref = [
+    {file = "asgiref-3.4.1-py3-none-any.whl", hash = "sha256:ffc141aa908e6f175673e7b1b3b7af4fdb0ecb738fc5c8b88f69f055c2415214"},
+    {file = "asgiref-3.4.1.tar.gz", hash = "sha256:4ef1ab46b484e3c706329cedeff284a5d40824200638503f5768edb6de7d58e9"},
+]
+certifi = [
+    {file = "certifi-2021.10.8-py2.py3-none-any.whl", hash = "sha256:d62a0163eb4c2344ac042ab2bdf75399a71a2d8c7d47eac2e2ee91b9d6339569"},
+    {file = "certifi-2021.10.8.tar.gz", hash = "sha256:78884e7c1d4b00ce3cea67b44566851c4343c120abd683433ce934a68ea58872"},
+]
+charset-normalizer = [
+    {file = "charset-normalizer-2.0.9.tar.gz", hash = "sha256:b0b883e8e874edfdece9c28f314e3dd5badf067342e42fb162203335ae61aa2c"},
+    {file = "charset_normalizer-2.0.9-py3-none-any.whl", hash = "sha256:1eecaa09422db5be9e29d7fc65664e6c33bd06f9ced7838578ba40d58bdf3721"},
+]
+click = [
+    {file = "click-8.0.3-py3-none-any.whl", hash = "sha256:353f466495adaeb40b6b5f592f9f91cb22372351c84caeb068132442a4518ef3"},
+    {file = "click-8.0.3.tar.gz", hash = "sha256:410e932b050f5eed773c4cda94de75971c89cdb3155a72a0831139a79e5ecb5b"},
+]
+colorama = [
+    {file = "colorama-0.4.4-py2.py3-none-any.whl", hash = "sha256:9f47eda37229f68eee03b24b9748937c7dc3868f906e8ba69fbcbdd3bc5dc3e2"},
+    {file = "colorama-0.4.4.tar.gz", hash = "sha256:5941b2b48a20143d2267e95b1c2a7603ce057ee39fd88e7329b0c292aa16869b"},
+]
+fastapi = [
+    {file = "fastapi-0.70.1-py3-none-any.whl", hash = "sha256:5367226c7bcd7bfb2e17edaf225fd9a983095b1372281e9a3eb661336fb93748"},
+    {file = "fastapi-0.70.1.tar.gz", hash = "sha256:21d03979b5336375c66fa5d1f3126c6beca650d5d2166fbb78345a30d33c8d06"},
+]
+h11 = [
+    {file = "h11-0.12.0-py3-none-any.whl", hash = "sha256:36a3cb8c0a032f56e2da7084577878a035d3b61d104230d4bd49c0c6b555a9c6"},
+    {file = "h11-0.12.0.tar.gz", hash = "sha256:47222cb6067e4a307d535814917cd98fd0a57b6788ce715755fa2b6c28b56042"},
+]
+httpcore = [
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+    {file = "httpcore-0.14.3.tar.gz", hash = "sha256:d10162a63265a0228d5807964bd964478cbdb5178f9a2eedfebb2faba27eef5d"},
+]
+httpx = [
+    {file = "httpx-0.21.1-py3-none-any.whl", hash = "sha256:208e5ef2ad4d105213463cfd541898ed9d11851b346473539a8425e644bb7c66"},
+    {file = "httpx-0.21.1.tar.gz", hash = "sha256:02af20df486b78892a614a7ccd4e4e86a5409ec4981ab0e422c579a887acad83"},
+]
+idna = [
+    {file = "idna-3.3-py3-none-any.whl", hash = "sha256:84d9dd047ffa80596e0f246e2eab0b391788b0503584e8945f2368256d2735ff"},
+    {file = "idna-3.3.tar.gz", hash = "sha256:9d643ff0a55b762d5cdb124b8eaa99c66322e2157b69160bc32796e824360e6d"},
+]
+pydantic = [
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+    {file = "pydantic-1.9.0-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:5e48ef4a8b8c066c4a31409d91d7ca372a774d0212da2787c0d32f8045b1e034"},
+    {file = "pydantic-1.9.0-cp38-cp38-win_amd64.whl", hash = "sha256:96f240bce182ca7fe045c76bcebfa0b0534a1bf402ed05914a6f1dadff91877f"},
+    {file = "pydantic-1.9.0-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:815ddebb2792efd4bba5488bc8fde09c29e8ca3227d27cf1c6990fc830fd292b"},
+    {file = "pydantic-1.9.0-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:6c5b77947b9e85a54848343928b597b4f74fc364b70926b3c4441ff52620640c"},
+    {file = "pydantic-1.9.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:4c68c3bc88dbda2a6805e9a142ce84782d3930f8fdd9655430d8576315ad97ce"},
+    {file = "pydantic-1.9.0-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:5a79330f8571faf71bf93667d3ee054609816f10a259a109a0738dac983b23c3"},
+    {file = "pydantic-1.9.0-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:f5a64b64ddf4c99fe201ac2724daada8595ada0d102ab96d019c1555c2d6441d"},
+    {file = "pydantic-1.9.0-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:a733965f1a2b4090a5238d40d983dcd78f3ecea221c7af1497b845a9709c1721"},
+    {file = "pydantic-1.9.0-cp39-cp39-win_amd64.whl", hash = "sha256:2cc6a4cb8a118ffec2ca5fcb47afbacb4f16d0ab8b7350ddea5e8ef7bcc53a16"},
+    {file = "pydantic-1.9.0-py3-none-any.whl", hash = "sha256:085ca1de245782e9b46cefcf99deecc67d418737a1fd3f6a4f511344b613a5b3"},
+    {file = "pydantic-1.9.0.tar.gz", hash = "sha256:742645059757a56ecd886faf4ed2441b9c0cd406079c2b4bee51bcc3fbcd510a"},
+]
+rfc3986 = [
+    {file = "rfc3986-1.5.0-py2.py3-none-any.whl", hash = "sha256:a86d6e1f5b1dc238b218b012df0aa79409667bb209e58da56d0b94704e712a97"},
+    {file = "rfc3986-1.5.0.tar.gz", hash = "sha256:270aaf10d87d0d4e095063c65bf3ddbc6ee3d0b226328ce21e036f946e421835"},
+]
+six = [
+    {file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
+    {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},
+]
+sniffio = [
+    {file = "sniffio-1.2.0-py3-none-any.whl", hash = "sha256:471b71698eac1c2112a40ce2752bb2f4a4814c22a54a3eed3676bc0f5ca9f663"},
+    {file = "sniffio-1.2.0.tar.gz", hash = "sha256:c4666eecec1d3f50960c6bdf61ab7bc350648da6c126e3cf6898d8cd4ddcd3de"},
+]
+starlette = [
+    {file = "starlette-0.16.0-py3-none-any.whl", hash = "sha256:38eb24bf705a2c317e15868e384c1b8a12ca396e5a3c3a003db7e667c43f939f"},
+    {file = "starlette-0.16.0.tar.gz", hash = "sha256:e1904b5d0007aee24bdd3c43994be9b3b729f4f58e740200de1d623f8c3a8870"},
+]
+transliterate = [
+    {file = "transliterate-1.10.2-py2.py3-none-any.whl", hash = "sha256:010a5021bf6021689c4fade0985f3f7b3db1f2f16a48a09a56797f171c08ed42"},
+    {file = "transliterate-1.10.2.tar.gz", hash = "sha256:bc608e0d48e687db9c2b1d7ea7c381afe0d1849cad216087d8e03d8d06a57c85"},
+]
+typing-extensions = [
+    {file = "typing_extensions-4.0.1-py3-none-any.whl", hash = "sha256:7f001e5ac290a0c0401508864c7ec868be4e701886d5b573a9528ed3973d9d3b"},
+    {file = "typing_extensions-4.0.1.tar.gz", hash = "sha256:4ca091dea149f945ec56afb48dae714f21e8692ef22a395223bcd328961b6a0e"},
+]
+uvicorn = [
+    {file = "uvicorn-0.16.0-py3-none-any.whl", hash = "sha256:d8c839231f270adaa6d338d525e2652a0b4a5f4c2430b5c4ef6ae4d11776b0d2"},
+    {file = "uvicorn-0.16.0.tar.gz", hash = "sha256:eacb66afa65e0648fcbce5e746b135d09722231ffffc61883d4fac2b62fbea8d"},
+]

pyproject.toml

@@ -0,0 +1,58 @@
+[tool.poetry]
+name = "books_downloader"
+version = "0.1.0"
+description = ""
+authors = ["Kurbanov Bulat <kurbanovbul@gmail.com>"]
+
+[tool.poetry.dependencies]
+python = "^3.9"
+fastapi = "^0.70.1"
+httpx = "^0.21.1"
+transliterate = "^1.10.2"
+uvicorn = {extras = ["standart"], version = "^0.16.0"}
+
+[tool.poetry.dev-dependencies]
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
+
+[tool.black]
+include = '\.pyi?$'
+exclude = '''
+/(
+    \.git
+  | \.vscode
+  | \venv
+  | alembic
+)/
+'''
+
+[tool.flake8]
+ignore = [
+    # Whitespace before ':' ( https://www.flake8rules.com/rules/E203.html )
+    "E203"
+]
+max-line-length=88
+max-complexity = 15
+select = "B,C,E,F,W,T4,B9"
+exclude = [
+    # No need to traverse our git directory
+    ".git",
+    # There's no value in checking cache directories
+    "__pycache__",
+    # The conf file is mostly autogenerated, ignore it
+    "src/app/alembic/*",
+    # The old directory contains Flake8 2.0
+]
+
+[tool.isort]
+profile = "black"
+only_sections = true
+force_sort_within_sections = true
+lines_after_imports = 2
+lexicographical = true
+sections = ["FUTURE", "STDLIB", "BASEFRAMEWORK", "FRAMEWORKEXT", "THIRDPARTY", "FIRSTPARTY", "LOCALFOLDER"]
+known_baseframework = ["fastapi",]
+known_frameworkext = ["starlette",]
+src_paths = ["src"]

requirements.txt

@@ -1,5 +0,0 @@
-fastapi
-pydantic
-httpx
-transliterate
-uvicorn[standart]

src/app/depends.py

@@ -6,4 +6,6 @@ from core.config import env_config
 
 async def check_token(api_key: str = Security(default_security)):
     if api_key != env_config.API_KEY:
-        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Wrong api key!")
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN, detail="Wrong api key!"
+        )

src/app/services/base.py

@@ -3,5 +3,7 @@ from typing import Protocol
 
 class BaseDownloader(Protocol):
     @classmethod
-    async def download(cls, remote_id: int, file_type: str, source_id: int) -> tuple[bytes, str]:
+    async def download(
+        cls, remote_id: int, file_type: str, source_id: int
+    ) -> tuple[bytes, str]:
         ...

src/app/services/book_library.py

@@ -1,15 +1,13 @@
+from datetime import date
 from typing import Generic, TypeVar
-import json
 
 import httpx
-
-from datetime import date
 from pydantic import BaseModel
 
 from core.config import env_config
 
 
-T = TypeVar('T')
+T = TypeVar("T")
 
 
 class Page(BaseModel, Generic[T]):
@@ -47,7 +45,7 @@ class BookLibraryClient:
     @classmethod
     @property
     def auth_headers(cls):
-        return {'Authorization': cls.API_KEY}
+        return {"Authorization": cls.API_KEY}
 
     @classmethod
     async def _make_request(cls, url) -> dict:
@@ -65,6 +63,8 @@ class BookLibraryClient:
 
     @classmethod
     async def get_remote_book(cls, source_id: int, book_id: int) -> Book:
-        data = await cls._make_request(f"{cls.BASE_URL}/api/v1/books/remote/{source_id}/{book_id}")
+        data = await cls._make_request(
+            f"{cls.BASE_URL}/api/v1/books/remote/{source_id}/{book_id}"
+        )
 
         return Book.parse_obj(data)

src/app/services/dowloaders_manager.py

@@ -1,13 +1,12 @@
 from app.services.base import BaseDownloader
-from app.services.fl_downloader import FLDownloader
-
 from app.services.book_library import BookLibraryClient
+from app.services.fl_downloader import FLDownloader
 
 
 class DownloadersManager:
     SOURCES_TABLE: dict[int, str] = {}
     DOWNLOADERS_TABLE: dict[str, type[BaseDownloader]] = {
-        'flibusta': FLDownloader,
+        "flibusta": FLDownloader,
     }
 
     PREPARED = False

src/app/services/fl_downloader.py

@@ -1,13 +1,11 @@
-from asyncio.exceptions import CancelledError
-from typing import Optional, cast
 import asyncio
+from typing import Optional, cast
 
 import httpx
 
 from app.services.base import BaseDownloader
-from app.services.utils import zip, unzip, get_filename, process_pool_executor
 from app.services.book_library import BookLibraryClient, Book
-
+from app.services.utils import zip, unzip, get_filename, process_pool_executor
 from core.config import env_config, SourceConfig
 
 
@@ -40,17 +38,19 @@ class FLDownloader(BaseDownloader):
             await asyncio.wait_for(self.get_book_data_task, None)
 
         if self.book is None:
-            raise ValueError('Book is None!')
+            raise ValueError("Book is None!")
 
         return get_filename(self.book, self.file_type)
 
     async def get_final_filename(self) -> str:
         if self.need_zip:
-            return (await self.get_filename()) + '.zip'
+            return (await self.get_filename()) + ".zip"
 
         return await self.get_filename()
 
-    async def _download_from_source(self, source_config: SourceConfig, file_type: str = None) -> tuple[bytes, bool]:
+    async def _download_from_source(
+        self, source_config: SourceConfig, file_type: str = None
+    ) -> tuple[bytes, bool]:
         basic_url: str = source_config.URL
         proxy: Optional[str] = source_config.PROXY
 
@@ -63,16 +63,14 @@ class FLDownloader(BaseDownloader):
 
         httpx_proxy = None
         if proxy is not None:
-            httpx_proxy = httpx.Proxy(
+            httpx_proxy = httpx.Proxy(url=proxy)
-                url=proxy
-            )
 
         async with httpx.AsyncClient(proxies=httpx_proxy) as client:
             response = await client.get(url, follow_redirects=True, timeout=10 * 60)
             content_type = response.headers.get("Content-Type")
 
             if response.status_code != 200:
-                raise NotSuccess(f'Status code is {response.status_code}!')
+                raise NotSuccess(f"Status code is {response.status_code}!")
 
             if "text/html" in content_type:
                 raise ReceivedHTML()
@@ -82,11 +80,15 @@ class FLDownloader(BaseDownloader):
 
             return response.content, False
 
-    async def _wait_until_some_done(self, tasks: set[asyncio.Task]) -> Optional[tuple[bytes, bool]]:
+    async def _wait_until_some_done(
+        self, tasks: set[asyncio.Task]
+    ) -> Optional[tuple[bytes, bool]]:
         tasks_ = tasks
 
         while tasks_:
-            done, pending = await asyncio.wait(tasks_, return_when=asyncio.FIRST_COMPLETED)
+            done, pending = await asyncio.wait(
+                tasks_, return_when=asyncio.FIRST_COMPLETED
+            )
 
             for task in done:
                 try:
@@ -108,9 +110,7 @@ class FLDownloader(BaseDownloader):
 
         for source in env_config.FL_SOURCES:
             tasks.add(
-                asyncio.create_task(
+                asyncio.create_task(self._download_from_source(source, file_type="fb2"))
-                    self._download_from_source(source, file_type='fb2')
-                )
             )
 
         data = await self._wait_until_some_done(tasks)
@@ -122,13 +122,15 @@ class FLDownloader(BaseDownloader):
 
         if is_zip:
             content = await asyncio.get_event_loop().run_in_executor(
-                process_pool_executor, unzip, content, 'fb2'
+                process_pool_executor, unzip, content, "fb2"
             )
 
         async with httpx.AsyncClient() as client:
-            form = {'format': self.file_type}
+            form = {"format": self.file_type}
-            files = {'file': content}
+            files = {"file": content}
-            response = await client.post(env_config.CONVERTER_URL, data=form, files=files, timeout=2 * 60)
+            response = await client.post(
+                env_config.CONVERTER_URL, data=form, files=files, timeout=2 * 60
+            )
 
             if response.status_code != 200:
                 raise ValueError
@@ -143,19 +145,11 @@ class FLDownloader(BaseDownloader):
     async def _get_content(self) -> tuple[bytes, str]:
         tasks = set()
 
-        if self.file_type in ['epub', 'mobi']:
+        if self.file_type in ["epub", "mobi"]:
-            tasks.add(
+            tasks.add(asyncio.create_task(self._download_with_converting()))
-                asyncio.create_task(
-                    self._download_with_converting()
-                )
-            )
 
         for source in env_config.FL_SOURCES:
-            tasks.add(
+            tasks.add(asyncio.create_task(self._download_from_source(source)))
-                asyncio.create_task(
-                    self._download_from_source(source)
-                )
-            )
 
         data = await self._wait_until_some_done(tasks)
 
@@ -192,6 +186,8 @@ class FLDownloader(BaseDownloader):
         return tasks[0].result()
 
     @classmethod
-    async def download(cls, remote_id: int, file_type: str, source_id: int) -> tuple[bytes, str]:
+    async def download(
+        cls, remote_id: int, file_type: str, source_id: int
+    ) -> tuple[bytes, str]:
         downloader = cls(remote_id, file_type, source_id)
         return await downloader._download()

src/app/services/utils.py

@@ -1,8 +1,7 @@
+from concurrent.futures.process import ProcessPoolExecutor
 import io
 import zipfile
 
-from concurrent.futures.process import ProcessPoolExecutor
-
 import transliterate
 
 from app.services.book_library import Book, BookAuthor
@@ -23,10 +22,10 @@ def zip(filename, content):
     buffer = io.BytesIO()
     zip_file = zipfile.ZipFile(
         file=buffer,
-        mode='w',
+        mode="w",
         compression=zipfile.ZIP_DEFLATED,
         allowZip64=False,
-        compresslevel=9
+        compresslevel=9,
     )
     zip_file.writestr(filename, content)
 
@@ -60,29 +59,33 @@ def get_filename(book: Book, file_type: str) -> str:
 
     if book.authors:
         filename_parts.append(
-            '_'.join([get_short_name(a) for a in book.authors]) + '_-_'
+            "_".join([get_short_name(a) for a in book.authors]) + "_-_"
         )
 
     if book.title.startswith(" "):
-        filename_parts.append(
+        filename_parts.append(book.title[1:])
-            book.title[1:]
-        )
     else:
-        filename_parts.append(
+        filename_parts.append(book.title)
-            book.title
-        )
 
     filename = "".join(filename_parts)
 
-    if book.lang in ['ru']:
+    if book.lang in ["ru"]:
-        filename = transliterate.translit(filename, 'ru', reversed=True)
+        filename = transliterate.translit(filename, "ru", reversed=True)
 
     for c in "(),….’!\"?»«':":
-        filename = filename.replace(c, '')
+        filename = filename.replace(c, "")
 
-    for c, r in (('—', '-'), ('/', '_'), ('№', 'N'), (' ', '_'), ('–', '-'), ('á', 'a'), (' ', '_')):
+    for c, r in (
+        ("—", "-"),
+        ("/", "_"),
+        ("№", "N"),
+        (" ", "_"),
+        ("–", "-"),
+        ("á", "a"),
+        (" ", "_"),
+    ):
         filename = filename.replace(c, r)
 
-    right_part = f'.{book.id}.{file_type}'
+    right_part = f".{book.id}.{file_type}"
 
-    return filename[:64 - len(right_part)] + right_part
+    return filename[: 64 - len(right_part)] + right_part

src/app/views.py

@@ -1,9 +1,8 @@
 from fastapi import APIRouter, Depends
 from fastapi.responses import Response
 
-from app.services.dowloaders_manager import DownloadersManager
-
 from app.depends import check_token
+from app.services.dowloaders_manager import DownloadersManager
 
 
 router = APIRouter(
@@ -19,8 +18,5 @@ async def download(source_id: int, remote_id: int, file_type: str):
     content, filename = await downloader.download(remote_id, file_type, source_id)
 
     return Response(
-        content,
+        content, headers={"Content-Disposition": f"attachment; filename={filename}"}
-        headers={
-            "Content-Disposition": f"attachment; filename={filename}"
-        }
     )

src/main.py

@@ -1,3 +1,4 @@
 from core.app import start_app
 
+
 app = start_app()