[英]Cannot import 'PyPDF2' in Python 3.7
我想知道为什么我一生无法导入和使用Python 3.7中的PyPDF2
(PDF库)。
首先,我的导入失败在main.py
顶部(即下面)
from PyPDF2 import PdfFileReader
然后我尝试了pip install PyPDF2
和变体pip2 install PyPDF3
等。
全部导致以下输出:
Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1051)'))': /simple/pypdf2/
Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1051)'))': /simple/pypdf2/
Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1051)'))': /simple/pypdf2/
Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1051)'))': /simple/pypdf2/
Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1051)'))': /simple/pypdf2/
Could not find a version that satisfies the requirement PyPDF2 (from versions: )
No matching distribution found for PyPDF2
您可以执行以下操作:
pip install https://pypi.org/project/PyPDF2/1.23/
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