我对在unix和python中安装软件包还比较陌生。我正在Windows上的Ubuntu上开发Bash。 我想开始学习Scrapy,安装时使用:
apt-get install scrapy
在尝试创建项目时,出现以下错误:
root > scrapy startproject tutorial
Traceback (most recent call last):
File "/usr/local/bin/scrapy", line 11, in <module>
sys.exit(execute())
File "/usr/local/lib/python2.7/dist-packages/scrapy/cmdline.py", line 128, in execute
cmds = _get_commands_dict(settings, inproject)
File "/usr/local/lib/python2.7/dist-packages/scrapy/cmdline.py", line 46, in _get_commands_dict
cmds = _get_commands_from_module('scrapy.commands', inproject)
File "/usr/local/lib/python2.7/dist-packages/scrapy/cmdline.py", line 29, in _get_commands_from_module
for cmd in _iter_command_classes(module):
File "/usr/local/lib/python2.7/dist-packages/scrapy/cmdline.py", line 19, in _iter_command_classes
for module in walk_modules(module_name):
File "/usr/local/lib/python2.7/dist-packages/scrapy/utils/misc.py", line 71, in walk_modules
submod = import_module(fullpath)
File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/usr/local/lib/python2.7/dist-packages/scrapy/commands/version.py", line 6, in <module>
import OpenSSL
File "/usr/local/lib/python2.7/dist-packages/OpenSSL/__init__.py", line 8, in <module>
from OpenSSL import crypto, SSL
File "/usr/local/lib/python2.7/dist-packages/OpenSSL/crypto.py", line 16, in <module>
from OpenSSL._util import (
File "/usr/local/lib/python2.7/dist-packages/OpenSSL/_util.py", line 6, in <module>
from cryptography.hazmat.bindings.openssl.binding import Binding
File "/usr/local/lib/python2.7/dist-packages/cryptography/hazmat/bindings/openssl/binding.py", line 13, in <module>
from cryptography.hazmat.bindings._openssl import ffi, lib
ImportError: /usr/local/lib/python2.7/dist-packages/cryptography/hazmat/bindings/_openssl.so: cannot enable executable stack as shared object requires: Invalid argument
我确认了上面的文件是可用的。我试图了解是否有任何先决条件我错过了安装(我怀疑,因为我了解,他们是在安装过程中处理-请纠正我,如果我错了),或者有什么我需要启用。你知道吗
谢谢,萨西
您不应该使用
apt-get
来安装scrapy,因为它的版本非常旧。你应该像下面这样做然后用下面的安装刮擦
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