Pycharm之怎么安装cv2 [python3.6]

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Pycharm安装cv2 [python3.6]

python解释器为Anaconda的3.6版本

下载

在这里选择对应的版本进行下载，其中参数分别为3.4.2（opencv3.4.2）、cp36（python3.6）、win_amd64（windows64位系统），根据自己的实际情况进行调整。

安装

将下载的文件拷贝至E:\Anaconda3\Lib\site-packages目录下，并打开命令窗口cd 至该目录下输入如下命令进行安装：

e:
cd E:\Anaconda3\Lib\site-packages
pip install opencv_python-3.4.2-cp36-cp36m-win_amd64.whl

输出结果如下：

E:\Anaconda3\Lib\site-packages>pip install opencv_python-3.4.2-cp36-cp36m-win_amd64.whl
Processing e:\anaconda3\lib\site-packages\opencv_python-3.4.2-cp36-cp36m-win_amd64.whl
Installing collected packages: opencv-python
Successfully installed opencv-python-3.4.2
You are using pip version 9.0.1, however version 18.0 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

安装成功，重启Pycharm进行引包。

python安装cv2包报错解决

1.在pycharm中安装cv2包报错

ERROR: Could not find a version that satisfies the requirement cv2 (from versions: none)
ERROR: No matching distribution found for cv2
WARNING: You are using pip version 21.3.1; however, version 22.0.3 is available.
You should consider upgrading via the 'C:\Program Files\Python310\python.exe -m pip install --upgrade pip' command.

这里报错pip版本低了，需要升级pip

2.然后去控制台升级pip，升级完去安装cv2，控制台继续报错

ERROR: Could not find a version that satisfies the requirement cv2 (from versions: none)
ERROR: No matching distribution found for cv2

解决方法：安装未成功，然后百度查找相关资料，说是压根没有cv2的包，实际上需要安装的是一个叫opencv-python的包

pip install opencv-python

因为网络原因，导致时间超出，出现了如下错误：

ERROR: Exception:
Traceback (most recent call last):
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_vendor\urllib3\response.py", line 438, in _error_catcher
    yield
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_vendor\urllib3\response.py", line 519, in read
    data = self._fp.read(amt) if not fp_closed else b""
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 90, in read
    data = self.__fp.read(amt)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.752.0_x64__qbz5n2kfra8p0\lib\http\client.py", line 465, in read
    s = self.fp.read(amt)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.752.0_x64__qbz5n2kfra8p0\lib\socket.py", line 705, in readinto
    return self._sock.recv_into(b)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.752.0_x64__qbz5n2kfra8p0\lib\ssl.py", line 1273, in recv_into
    return self.read(nbytes, buffer)
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.752.0_x64__qbz5n2kfra8p0\lib\ssl.py", line 1129, in read
    return self._sslobj.read(len, buffer)
TimeoutError: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\cli\base_command.py", line 167, in exc_logging_wrapper
    status = run_func(*args)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\cli\req_command.py", line 205, in wrapper
    return func(self, options, args)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\commands\install.py", line 339, in run
    requirement_set = resolver.resolve(
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\resolution\resolvelib\resolver.py", line 94, in resolve
    result = self._result = resolver.resolve(
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_vendor\resolvelib\resolvers.py", line 481, in resolve
    state = resolution.resolve(requirements, max_rounds=max_rounds)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_vendor\resolvelib\resolvers.py", line 348, in resolve
    self._add_to_criteria(self.state.criteria, r, parent=None)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_vendor\resolvelib\resolvers.py", line 172, in _add_to_criteria
    if not criterion.candidates:
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_vendor\resolvelib\structs.py", line 151, in __bool__
    return bool(self._sequence)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 155, in __bool__
    return any(self)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 143, in <genexpr>
    return (c for c in iterator if id(c) not in self._incompatible_ids)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 47, in _iter_built
    candidate = func()
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 215, in _make_candidate_from_link
    self._link_candidate_cache[link] = LinkCandidate(
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 288, in __init__
    super().__init__(
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 158, in __init__
    self.dist = self._prepare()
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 227, in _prepare
    dist = self._prepare_distribution()
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 299, in _prepare_distribution
    return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\operations\prepare.py", line 487, in prepare_linked_requirement
    return self._prepare_linked_requirement(req, parallel_builds)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\operations\prepare.py", line 532, in _prepare_linked_requirement
    local_file = unpack_url(
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\operations\prepare.py", line 214, in unpack_url
    file = get_http_url(
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\operations\prepare.py", line 94, in get_http_url
    from_path, content_type = download(link, temp_dir.path)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\network\download.py", line 146, in __call__
    for chunk in chunks:
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\cli\progress_bars.py", line 304, in _rich_progress_bar
    for chunk in iterable:
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_internal\network\utils.py", line 63, in response_chunks
    for chunk in response.raw.stream(
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_vendor\urllib3\response.py", line 576, in stream
    data = self.read(amt=amt, decode_content=decode_content)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_vendor\urllib3\response.py", line 512, in read
    with self._error_catcher():
  File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.752.0_x64__qbz5n2kfra8p0\lib\contextlib.py", line 153, in __exit__
    self.gen.throw(typ, value, traceback)
  File "C:\Users\thorne\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\pip\_vendor\urllib3\response.py", line 443, in _error_catcher
    raise ReadTimeoutError(self._pool, None, "Read timed out.")
pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

3. pip install --default-timeout=1000 opencv-python（如果不能正确安装可以多试几次）

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