vscode执行pip指令出现code for hash md5 was not found报错

Question

问题描述

刚开始学习Python，为了图个方便就在vscode上安装Python插件直接写文件了，在执行pip install openpyxl的时候出现报错：code for hash md5 was not found报错。

问题出现的平台版本及自己尝试过哪些方法

MacOS 10.15.3
vscode 1.42.2

2020.05.07更新：
从终端看已经安装了python3和pip3，但是Mac自带python2，我不清楚现在到底是哪个版本在工作。
在终端尝试pip3 install openpyxl没有报错，但是显示需要通过pip install --upgrade pip升级pip，当然如果执行pip指令还是不能识别，于是我尝试了pip3 install --upgrade pip下载到8%出现报错：

Collecting pip
  Downloading https://files.pythonhosted.org/packages/54/2e/df11ea7e23e7e761d484ed3740285a34e38548cf2bad2bed3dd5768ec8b9/pip-20.1-py2.py3-none-any.whl (1.5MB)
    8% |██▉                             | 133kB 6.7kB/s eta 0:03:22Exception:
Traceback (most recent call last):
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 360, in _error_catcher
    yield
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 442, in read
    data = self._fp.read(amt)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/cachecontrol/filewrapper.py", line 62, in read
    data = self.__fp.read(amt)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/http/client.py", line 447, in read
    n = self.readinto(b)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/http/client.py", line 491, in readinto
    n = self.fp.readinto(b)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/socket.py", line 589, in readinto
    return self._sock.recv_into(b)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/ssl.py", line 1052, in recv_into
    return self.read(nbytes, buffer)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/ssl.py", line 911, in read
    return self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 179, in main
    status = self.run(options, args)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/commands/install.py", line 315, in run
    resolver.resolve(requirement_set)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/resolve.py", line 131, in resolve
    self._resolve_one(requirement_set, req)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/resolve.py", line 294, in _resolve_one
    abstract_dist = self._get_abstract_dist_for(req_to_install)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
    self.require_hashes
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/operations/prepare.py", line 334, in prepare_linked_requirement
    progress_bar=self.progress_bar
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 878, in unpack_url
    progress_bar=progress_bar
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 702, in unpack_http_url
    progress_bar)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 946, in _download_http_url
    _download_url(resp, link, content_file, hashes, progress_bar)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 639, in _download_url
    hashes.check_against_chunks(downloaded_chunks)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/utils/hashes.py", line 62, in check_against_chunks
    for chunk in chunks:
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 607, in written_chunks
    for chunk in chunks:
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/utils/ui.py", line 159, in iter
    for x in it:
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 596, in resp_read
    decode_content=False):
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 494, in stream
    data = self.read(amt=amt, decode_content=decode_content)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 459, in read
    raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/contextlib.py", line 130, in __exit__
    self.gen.throw(type, value, traceback)
  File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 365, 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.
You are using pip version 19.0.3, however version 20.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

相关代码

具体报错内容：

ERROR:root:code for hash sha512 was not found.
Traceback (most recent call last):
  File "/usr/local/Cellar/python@2/2.7.16/Frameworks/Python.framework/Versions/2.7/lib/python2.7/hashlib.py", line 147, in <module>
    globals()[__func_name] = __get_hash(__func_name)
  File "/usr/local/Cellar/python@2/2.7.16/Frameworks/Python.framework/Versions/2.7/lib/python2.7/hashlib.py", line 97, in __get_builtin_constructor
    raise ValueError('unsupported hash type ' + name)
ValueError: unsupported hash type sha512
Traceback (most recent call last):
  File "/usr/local/bin/pip", line 11, in <module>
    load_entry_point('pip==19.0.3', 'console_scripts', 'pip')()
  File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 489, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2793, in load_entry_point
    return ep.load()
  File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2411, in load
    return self.resolve()
  File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2417, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/usr/local/lib/python2.7/site-packages/pip/_internal/__init__.py", line 19, in <module>
    from pip._vendor.urllib3.exceptions import DependencyWarning
  File "/usr/local/lib/python2.7/site-packages/pip/_vendor/urllib3/__init__.py", line 8, in <module>
    from .connectionpool import (
  File "/usr/local/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.py", line 29, in <module>
    from .connection import (
  File "/usr/local/lib/python2.7/site-packages/pip/_vendor/urllib3/connection.py", line 38, in <module>
    from .util.ssl_ import (
  File "/usr/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/__init__.py", line 6, in <module>
    from .ssl_ import (
  File "/usr/local/lib/python2.7/site-packages/pip/_vendor/urllib3/util/ssl_.py", line 8, in <module>
    from hashlib import md5, sha1, sha256
ImportError: cannot import name md5

你期待的结果是什么？实际看到的错误信息又是什么？

有没有大神指点下怎么能够正常的使用pip指令，谢谢！

Answer 1

看了下这个库要求的python版本是 3.6以上， 所以你先装个python3.x的版本再试看看吧