Could not find opencv-python==4.2.0.3 in docker with base image python:3-slim

[felixgao]

#9 126.4 ERROR: Could not find a version that satisfies the requirement opencv-python==4.2.0.32 (from versions: 3.4.10.37, 3.4.11.39, 3.4.11.41, 3.4.11.43, 3.4.11.45, 3.4.13.47, 3.4.14.51, 3.4.14.53, 4.3.0.38, 4.4.0.40, 4.4.0.42, 4.4.0.44, 4.4.0.46, 4.5.1.48, 4.5.2.52, 4.5.2.54)

Dockerfile

FROM python:3-slim

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential gcc libreadline-gplv2-dev libncursesw5-dev openssl \
    libssl-dev libsqlite3-dev tk-dev libgdbm-dev \
    libc6-dev libbz2-dev libffi-dev python3-dev python3-pip \
    libxml2-dev libxslt1-dev zlib1g zlib1g-dev python3-lxml \
    && rm -rf /var/lib/apt/lists/* \
    && mkdir /app

WORKDIR /app

COPY poetry.lock pyproject.toml ./

RUN pip install -U pip \
    && pip install poetry==${POETRY_VERSION} \
    && poetry run pip install --upgrade pip \
    && poetry config virtualenvs.create false \
    && poetry export --without-hashes -f requirements.txt \
    |  poetry run pip install -r /dev/stdin \
    && poetry debug \
    && rm -rf ~/.cache/pypoetry/{cache,artifacts} \
    && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
    # && rm -f requirements.txt \
    && rm -rf /var/lib/apt/lists/*

pyproject.toml

[tool.poetry.dependencies]
python = "^3.7"
paddlepaddle = "^2.1.1"
paddleocr = "^2.0.6"
Flask = "^2.0.1"

[tool.poetry.dev-dependencies]
pytest = "^5.2"

[build-system]
requires = ["poetry-core>=1.0.0"]
build-backend = "poetry.core.masonry.api"

[liyantaotop]

you can pip install opencv_python_* other version . then modify the directory name like this
/usr/local/lib/python3.9/site-packages/opencv_python-4.5.2.54.dist-info to ...opencv_python-4.2.0.3.dist-info .
last pip install again

[paddle-bot-old]

Since you haven't replied for more than 3 months, we have closed this issue/pr.
If the problem is not solved or there is a follow-up one, please reopen it at any time and we will continue to follow up.
It is recommended to pull and try the latest code first.
由于您超过三个月未回复，我们将关闭这个issue/pr。
若问题未解决或有后续问题，请随时重新打开（建议先拉取最新代码进行尝试），我们会继续跟进。