problems that arise after installing scrapy and other libraries
I think it may be the problem of openssl asking for answers
problem description
C:\Users\Administrator>scrapy
Traceback (most recent call last):
File "d:\anaconda3\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "d:\anaconda3\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "D:\Anaconda3\Scripts\scrapy.exe\__main__.py", line 5, in <module>
File "d:\anaconda3\lib\site-packages\scrapy\cmdline.py", line 9, in <module>
from scrapy.crawler import CrawlerProcess
File "d:\anaconda3\lib\site-packages\scrapy\crawler.py", line 7, in <module>
from twisted.internet import reactor, defer
File "d:\anaconda3\lib\site-packages\twisted\internet\reactor.py", line 38, in
<module>
from twisted.internet import default
File "d:\anaconda3\lib\site-packages\twisted\internet\default.py", line 56, in
<module>
install = _getInstallFunction(platform)
File "d:\anaconda3\lib\site-packages\twisted\internet\default.py", line 50, in
_getInstallFunction
from twisted.internet.selectreactor import install
File "d:\anaconda3\lib\site-packages\twisted\internet\selectreactor.py", line
18, in <module>
from twisted.internet import posixbase
File "d:\anaconda3\lib\site-packages\twisted\internet\posixbase.py", line 18,
in <module>
from twisted.internet import error, udp, tcp
File "d:\anaconda3\lib\site-packages\twisted\internet\tcp.py", line 31, in <mo
dule>
from twisted.internet._newtls import (
File "d:\anaconda3\lib\site-packages\twisted\internet\_newtls.py", line 21, in
<module>
from twisted.protocols.tls import TLSMemoryBIOFactory, TLSMemoryBIOProtocol
File "d:\anaconda3\lib\site-packages\twisted\protocols\tls.py", line 41, in <m
odule>
from OpenSSL.SSL import Error, ZeroReturnError, WantReadError
File "d:\anaconda3\lib\site-packages\OpenSSL\__init__.py", line 8, in <module>
from OpenSSL import crypto, SSL
File "d:\anaconda3\lib\site-packages\OpenSSL\crypto.py", line 16, in <module>
from OpenSSL._util import (
File "d:\anaconda3\lib\site-packages\OpenSSL\_util.py", line 6, in <module>
from cryptography.hazmat.bindings.openssl.binding import Binding
File "d:\anaconda3\lib\site-packages\cryptography\hazmat\bindings\openssl\bind
ing.py", line 141, in <module>
Binding.init_static_locks()
File "d:\anaconda3\lib\site-packages\cryptography\hazmat\bindings\openssl\bind
ing.py", line 122, in init_static_locks
cls._ensure_ffi_initialized()
File "d:\anaconda3\lib\site-packages\cryptography\hazmat\bindings\openssl\bind
ing.py", line 109, in _ensure_ffi_initialized
cls.lib = build_conditional_library(lib, CONDITIONAL_NAMES)
File "d:\anaconda3\lib\site-packages\cryptography\hazmat\bindings\openssl\bind
ing.py", line 69, in build_conditional_library
if not getattr(lib, condition):
AttributeError: cffi library "_openssl" has no function, constant or global vari
able named "Cryptography_HAS_CMS"my installation list
---------------------------------- ---------
aiodns 1.1.1
aiohttp 3.3.2
alabaster 0.7.10
altgraph 0.15
anaconda-client 1.6.14
anaconda-navigator 1.8.7
anaconda-project 0.8.2
asn1crypto 0.24.0
astroid 1.6.1
astropy 2.0.3
async-timeout 3.0.0
attrs 17.4.0
Automat 0.7.0
Babel 2.5.3
backports.shutil-get-terminal-size 1.0.0
beautifulsoup4 4.6.0
bitarray 0.8.1
bkcharts 0.2
blaze 0.11.3
bleach 2.1.2
bokeh 0.12.13
boto 2.48.0
Bottleneck 1.2.1
cchardet 2.1.1
certifi 2016.2.28
cffi 1.11.5
chardet 3.0.4
click 6.7
cloudpickle 0.5.2
clyent 1.2.2
colorama 0.3.9
comtypes 1.1.4
conda 4.3.30
conda-build 3.4.1
conda-verify 2.0.0
constantly 15.1.0
contextlib2 0.5.5
cryptography 2.3
cssselect 1.0.3
cycler 0.10.0
Cython 0.27.3
cytoolz 0.9.0
dask 0.16.1
datashape 0.5.4
decorator 4.2.1
defusedxml 0.5.0
distributed 1.20.2
docutils 0.14
entrypoints 0.2.3
et-xmlfile 1.0.1
fastcache 1.0.2
filelock 2.0.13
Flask 0.12.2
Flask-Cors 3.0.3
Flask-Login 0.4.1
future 0.16.0
gevent 1.2.2
glob2 0.6
greenlet 0.4.12
h5py 2.7.1
heapdict 1.0.0
html5lib 1.0.1
hyperlink 18.0.0
idna 2.6
idna-ssl 1.0.1
imageio 2.2.0
imagesize 0.7.1
incremental 17.5.0
ipykernel 4.8.2
ipython 6.2.1
ipython-genutils 0.2.0
ipywidgets 7.1.1
isort 4.2.15
itsdangerous 0.24
jdcal 1.3
jedi 0.11.1
Jinja2 2.10
jsmin 2.2.2
jsonschema 2.6.0
jupyter 1.0.0
jupyter-client 5.2.2
jupyter-console 5.2.0
jupyter-core 4.4.0
jupyterlab 0.31.4
jupyterlab-launcher 0.10.2
lazy-object-proxy 1.3.1
llvmlite 0.21.0
locket 0.2.0
lxml 4.2.4
macholib 1.9
MarkupSafe 1.0
matplotlib 2.1.2
mccabe 0.6.1
menuinst 1.4.11
mistune 0.8.3
mpmath 1.0.0
msgpack-python 0.5.1
multidict 4.3.1
multipledispatch 0.4.9
MyQR 2.3.1
navigator-updater 0.1.0
nbconvert 5.3.1
nbformat 4.4.0
networkx 2.1
nltk 3.2.5
nose 1.3.7
notebook 5.4.0
numba 0.36.2
numexpr 2.6.4
numpy 1.14.0
numpydoc 0.7.0
odo 0.5.1
olefile 0.45.1
opencv-python 3.4.2.16
openpyxl 2.4.10
packaging 16.8
pandas 0.22.0
pandocfilters 1.4.2
parsel 1.4.0
parso 0.1.1
partd 0.3.8
path.py 10.5
pathlib2 2.3.0
patsy 0.5.0
pefile 2017.11.5
pep8 1.7.1
pickleshare 0.7.4
PIL 2.0+dummy
Pillow 5.0.0
pip 18.0
pkginfo 1.4.1
pluggy 0.6.0
ply 3.10
prompt-toolkit 1.0.15
psutil 5.4.3
py 1.5.2
pyasn1 0.4.3
pyasn1-modules 0.2.1
pycares 2.3.0
pycodestyle 2.3.1
pycosat 0.6.3
pycparser 2.18
pycrypto 2.6.1
pycurl 7.43.0
PyDispatcher 2.0.5
pyflakes 1.6.0
Pygments 2.2.0
PyHamcrest 1.9.0
PyInstaller 3.3.1
pylint 1.8.2
pymongo 3.7.1
pyodbc 4.0.22
pyOpenSSL 18.0.0
pyparsing 2.2.0
pypiwin32 223
PyQt5 5.11.2
PyQt5-sip 4.19.12
pyqt5-tools 5.9.0.1.2
pyquery 1.4.0
PySocks 1.6.7
pyspider 0.3.10
pytest 3.3.2
pytest-runner 4.2
python-dateutil 2.6.1
pytz 2017.3
PyWavelets 0.5.2
pywin32 223
pywinpty 0.5
PyYAML 3.12
pyzmq 16.0.3
QtAwesome 0.4.4
qtconsole 4.3.1
QtPy 1.4.2
queuelib 1.5.0
requests 2.14.2
rope 0.10.7
ruamel-yaml 0.15.35
scikit-image 0.13.1
scikit-learn 0.19.1
scipy 1.0.0
Scrapy 1.5.1
seaborn 0.8.1
selenium 3.12.0
Send2Trash 1.4.2
service-identity 17.0.0
setuptools 40.0.0
simplegeneric 0.8.1
singledispatch 3.4.0.3
six 1.11.0
snowballstemmer 1.2.1
sortedcollections 0.5.3
sortedcontainers 1.5.9
Sphinx 1.6.6
sphinxcontrib-websupport 1.0.1
spyder 3.2.6
SQLAlchemy 1.2.1
statsmodels 0.8.0
sympy 1.1.1
tables 3.4.2
tblib 1.3.2
terminado 0.8.1
tesserocr 2.2.2
testpath 0.3.1
toolz 0.9.0
tornado 4.5.3
traitlets 4.3.2
Twisted 18.7.0
typing 3.6.2
u-msgpack-python 2.5.0
unicodecsv 0.14.1
urllib3 1.22
virtualenv 16.0.0
w3lib 1.19.0
wcwidth 0.1.7
webencodings 0.5.1
Werkzeug 0.14.1
wheel 0.30.0
widgetsnbextension 3.1.0
win-inet-pton 1.0.1
win-unicode-console 0.5
wincertstore 0.2
wrapt 1.10.11
WsgiDAV 2.4.1
xlrd 1.1.0
XlsxWriter 1.0.2
xlwings 0.11.5
xlwt 1.3.0
yarl 1.2.6
zict 0.1.3
zope.interface 4.5.0