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关于 pip安装的可能错误的排除

 O听_海_轩O 2020-03-12
C:\Python27\Scripts>pip install selenium
Collecting selenium
C:\Python27\lib\site-packages\pip-10.0.0b2-py2.7.egg\pip\_vendor\urllib3\util\ss
l_.py:339: SNIMissingWarning: An HTTPS request has been made, but the SNI (Subje
ct Name Indication) extension to TLS is not available on this platform. This may
cause the server to present an incorrect TLS certificate, which can cause valid
ation failures. You can upgrade to a newer version of Python to solve this. For
more information, see https://urllib3./en/latest/advanced-usage.ht
ml#ssl-warnings
SNIMissingWarning
C:\Python27\lib\site-packages\pip-10.0.0b2-py2.7.egg\pip\_vendor\urllib3\util\ss
l_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. T
his prevents urllib3 from configuring SSL appropriately and may cause certain SS
L connections to fail. You can upgrade to a newer version of Python to solve thi
s. For more information, see https://urllib3./en/latest/advanced-u
sage.html#ssl-warnings
InsecurePlatformWarning
Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None))
after connection broken by 'SSLError(SSLError(1, '_ssl.c:507: error:1407742E:SS
L routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version'),)': /simple/sel
enium/
C:\Python27\lib\site-packages\pip-10.0.0b2-py2.7.egg\pip\_vendor\urllib3\util\ss
l_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. T
his prevents urllib3 from configuring SSL appropriately and may cause certain SS
L connections to fail. You can upgrade to a newer version of Python to solve thi
s. For more information, see https://urllib3./en/latest/advanced-u
sage.html#ssl-warnings
InsecurePlatformWarning
Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None))
after connection broken by 'SSLError(SSLError(1, '_ssl.c:507: error:1407742E:SS
L routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version'),)': /simple/sel
enium/
C:\Python27\lib\site-packages\pip-10.0.0b2-py2.7.egg\pip\_vendor\urllib3\util\ss
l_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. T
his prevents urllib3 from configuring SSL appropriately and may cause certain SS
L connections to fail. You can upgrade to a newer version of Python to solve thi
s. For more information, see https://urllib3./en/latest/advanced-u
sage.html#ssl-warnings
InsecurePlatformWarning
Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None))
after connection broken by 'SSLError(SSLError(1, '_ssl.c:507: error:1407742E:SS
L routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version'),)': /simple/sel
enium/
C:\Python27\lib\site-packages\pip-10.0.0b2-py2.7.egg\pip\_vendor\urllib3\util\ss
l_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. T
his prevents urllib3 from configuring SSL appropriately and may cause certain SS
L connections to fail. You can upgrade to a newer version of Python to solve thi
s. For more information, see https://urllib3./en/latest/advanced-u
sage.html#ssl-warnings
InsecurePlatformWarning
Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None))
after connection broken by 'SSLError(SSLError(1, '_ssl.c:507: error:1407742E:SS
L routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version'),)': /simple/sel
enium/
C:\Python27\lib\site-packages\pip-10.0.0b2-py2.7.egg\pip\_vendor\urllib3\util\ss
l_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. T
his prevents urllib3 from configuring SSL appropriately and may cause certain SS
L connections to fail. You can upgrade to a newer version of Python to solve thi
s. For more information, see https://urllib3./en/latest/advanced-u
sage.html#ssl-warnings
InsecurePlatformWarning
Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None))
after connection broken by 'SSLError(SSLError(1, '_ssl.c:507: error:1407742E:SS
L routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version'),)': /simple/sel
enium/
C:\Python27\lib\site-packages\pip-10.0.0b2-py2.7.egg\pip\_vendor\urllib3\util\ss
l_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. T
his prevents urllib3 from configuring SSL appropriately and may cause certain SS
L connections to fail. You can upgrade to a newer version of Python to solve thi
s. For more information, see https://urllib3./en/latest/advanced-u
sage.html#ssl-warnings
InsecurePlatformWarning
Could not fetch URL https://pypi./simple/selenium/: There was a prob
lem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.',
port=443): Max retries exceeded with url: /simple/selenium/ (Caused by SSLError(
SSLError(1, '_ssl.c:507: error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv
1 alert protocol version'),)) - skipping
Could not find a version that satisfies the requirement selenium (from version
s: )
No matching distribution found for selenium
C:\Python27\lib\site-packages\pip-10.0.0b2-py2.7.egg\pip\_vendor\urllib3\util\ss
l_.py:137: InsecurePlatformWarning: A true SSLContext object is not available. T
his prevents urllib3 from configuring SSL appropriately and may cause certain SS
L connections to fail. You can upgrade to a newer version of Python to solve thi
s. For more information, see https://urllib3./en/latest/advanced-u
sage.html#ssl-warnings
InsecurePlatformWarning
Could not fetch URL https://pypi./simple/pip/: There was a problem con
firming the ssl certificate: HTTPSConnectionPool(host='pypi.', port=44
3): Max retries exceeded with url: /simple/pip/ (Caused by SSLError(SSLError(1,
'_ssl.c:507: error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert prot
ocol version'),)) - skipping

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