Fatal error in launcher Unable to create process using 'dapppythonpython37python

Fatal error in launcher: Unable to create process using '"d:\app\python\python37\python.exe" "E:\app\Python\Python37\Scripts\pip.exe" list'

C:\Users\Jilil>pip list

Fatal error in launcher: Unable to create process using '"d:\app\python\python37\python.exe" "E:\app\Python\Python37\Scripts\pip.exe" list'

C:\Users\Jilil>

C:\Users\Jilil>py

Python 3.7.7 (tags/v3.7.7:d7c567b08f, Mar 10 2020, 10:41:24) [MSC v.1900 64 bit (AMD64)] on win32

Type "help", "copyright", "credits" or "license" for more information.

>>> exit()

C:\Users\Jilil>python -m pip install --upgrade pip

Collecting pip

Using cached https://files.pythonhosted.org/packages/fe/ef/60d7ba03b5c442309ef42e7d69959f73aacccd0d86008362a681c4698e83/pip-21.0.1-py3-none-any.whl

Installing collected packages: pip

Found existing installation: pip 19.2.3

Uninstalling pip-19.2.3:

Successfully uninstalled pip-19.2.3

Successfully installed pip-21.0.1

C:\Users\Jilil>

C:\Users\Jilil>pip

Usage:

pip <command> [options]

Commands:

install Install packages.

download Download packages.

uninstall Uninstall packages.

freeze Output installed packages in requirements format.

list List installed packages.

show Show information about installed packages.

check Verify installed packages have compatible dependencies.

config Manage local and global configuration.

search Search PyPI for packages.

cache Inspect and manage pip's wheel cache.

wheel Build wheels from your requirements.

hash Compute hashes of package archives.

completion A helper command used for command completion.

debug Show information useful for debugging.

help Show help for commands.

General Options:

-h, --help Show help.

--isolated Run pip in an isolated mode, ignoring environment variables and user configuration.

-v, --verbose Give more output. Option is additive, and can be used up to 3 times.

-V, --version Show version and exit.

-q, --quiet Give less output. Option is additive, and can be used up to 3 times (corresponding to

WARNING, ERROR, and CRITICAL logging levels).

--log <path> Path to a verbose appending log.

--no-input Disable prompting for input.

--proxy <proxy> Specify a proxy in the form [user:passwd@]proxy.server:port.

--retries <retries> Maximum number of retries each connection should attempt (default 5 times).

--timeout <sec> Set the socket timeout (default 15 seconds).

--exists-action <action> Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup,

(a)bort.

--trusted-host <hostname> Mark this host or host:port pair as trusted, even though it does not have valid or any

HTTPS.

--cert <path> Path to alternate CA bundle.

--client-cert <path> Path to SSL client certificate, a single file containing the private key and the

certificate in PEM format.

--cache-dir <dir> Store the cache data in <dir>.

--no-cache-dir Disable the cache.

--disable-pip-version-check

Don't periodically check PyPI to determine whether a new version of pip is available for

download. Implied with --no-index.

--no-color Suppress colored output.

--no-python-version-warning

Silence deprecation warnings for upcoming unsupported Pythons.

--use-feature <feature> Enable new functionality, that may be backward incompatible.

--use-deprecated <feature> Enable deprecated functionality, that will be removed in the future.

C:\Users\Jilil>

C:\Users\Jilil>pip list

Package Version

--------------- ----------

beautifulsoup4 4.9.0

certifi 2020.4.5.1

chardet 3.0.4

idna 2.9

lxml 4.5.0

numpy 1.18.3

pandas 1.0.3

pip 21.0.1

prettytable 0.7.2

PyMySQL 0.9.3

python-dateutil 2.8.1

pytz 2019.3

requests 2.23.0

setuptools 41.2.0

six 1.14.0

soupsieve 2.0

urllib3 1.25.9

C:\Users\Jilil>

C:\Users\Jilil>pip list

Fatal error in launcher: Unable to create process using '"e:\app\python\python.exe" "E:\app\Python\Python3.9\Scripts\pip.exe" list': ???????????

C:\Users\Jilil>

C:\Users\Jilil>python -m pip install

ERROR: You must give at least one requirement to install (see "pip help install")

WARNING: You are using pip version 20.2.3; however, version 21.0.1 is available.

You should consider upgrading via the 'E:\app\Python\Python3.9\python.exe -m pip install --upgrade pip' command.

C:\Users\Jilil>

C:\Users\Jilil>python -m pip install --upgrade pip

Collecting pip

Using cached pip-21.0.1-py3-none-any.whl (1.5 MB)

Installing collected packages: pip

Attempting uninstall: pip

Found existing installation: pip 20.2.3

Uninstalling pip-20.2.3:

Successfully uninstalled pip-20.2.3

Successfully installed pip-21.0.1

C:\Users\Jilil>pip list

Package Version

---------- -------

pip 21.0.1

setuptools 49.2.1

Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1123)'))) - skipping

C:\Users\Jilil>

C:\Users\Jilil>pip install selenium

WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1123)'))': /simple/selenium/

WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1123)'))': /simple/selenium/

WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1123)'))': /simple/selenium/

WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1123)'))': /simple/selenium/

WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1123)'))': /simple/selenium/

Could not fetch URL https://pypi.org/simple/selenium/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/selenium/ (Caused by SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1123)'))) - skipping

ERROR: Could not find a version that satisfies the requirement selenium

ERROR: No matching distribution found for selenium

C:\Users\Jilil>pip install --trusted-host pypiorg --trusted-host files.pythonhoste.org selenium

ERROR: Could not find a version that satisfies the requirement selenium

ERROR: No matching distribution found for selenium

C:\Users\Jilil>

Reference: https://stackoverflow.com/questions/25981703/pip-install-fails-with-connection-error-ssl-certificate-verify-failed-certi

Solution:

pip install --trusted-host pypi.org --trusted-host files.pythonhosted.org <package_name>

以上pip那么多报错怎么都搞不定，都是因为我将pip升级了。重装python和pip之后并且不升级pip就可以正常安装package了

C:\Users\Jilil>pip list

Package Version

---------- -------

pip 20.2.3

setuptools 49.2.1

WARNING: You are using pip version 20.2.3; however, version 21.0.1 is available.

You should consider upgrading via the 'e:\app\python\python38\python.exe -m pip install --upgrade pip' command.

C:\Users\Jilil>python

Python 3.8.8 (tags/v3.8.8:024d805, Feb 19 2021, 13:18:16) [MSC v.1928 64 bit (AMD64)] on win32

Type "help", "copyright", "credits" or "license" for more information.

>>> exit()

C:\Users\Jilil>

C:\Users\Jilil>pip install selenium

Collecting selenium

Downloading selenium-3.141.0-py2.py3-none-any.whl (904 kB)

|████████████████████████████████| 904 kB 5.1 kB/s

Collecting urllib3

Downloading urllib3-1.26.3-py2.py3-none-any.whl (137 kB)

|████████████████████████████████| 137 kB 10.0 kB/s

Installing collected packages: urllib3, selenium

Successfully installed selenium-3.141.0 urllib3-1.26.3

WARNING: You are using pip version 20.2.3; however, version 21.0.1 is available.

You should consider upgrading via the 'e:\app\python\python38\python.exe -m pip install --upgrade pip' command.

C:\Users\Jilil>pip install bs4

Collecting bs4

Downloading bs4-0.0.1.tar.gz (1.1 kB)

Collecting beautifulsoup4

Downloading beautifulsoup4-4.9.3-py3-none-any.whl (115 kB)

|████████████████████████████████| 115 kB 53 kB/s

Collecting soupsieve>1.2; python_version >= "3.0"

Downloading soupsieve-2.2-py3-none-any.whl (33 kB)

Using legacy 'setup.py install' for bs4, since package 'wheel' is not installed.

Installing collected packages: soupsieve, beautifulsoup4, bs4

Running setup.py install for bs4 ... done

Successfully installed beautifulsoup4-4.9.3 bs4-0.0.1 soupsieve-2.2

WARNING: You are using pip version 20.2.3; however, version 21.0.1 is available.

You should consider upgrading via the 'e:\app\python\python38\python.exe -m pip install --upgrade pip' command.

C:\Users\Jilil>

以后看到

WARNING: You are using pip version 20.2.3; however, version 21.0.1 is available.

You should consider upgrading via the 'e:\app\python\python38\python.exe -m pip install --upgrade pip' command.

不要鸟它就是了

巴特西

Fatal error in launcher Unable to create process using 'dapppythonpython37python

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