回答此问题可获得 20 贡献值,回答如果被采纳可获得 50 分。
<p>当我试图通过<code>pip install cryptography</code>或通过从<a href="https://github.com/pyca/cryptography" rel="noreferrer">their site</a>下载包并运行<code>python setup.py</code>来安装Python的<a href="https://cryptography.io" rel="noreferrer">Cryptography</a>包时,出现以下错误:</p>
<hr/>
<pre><code>D:\Anaconda\Scripts\pip-script.py run on 02/27/14 16:13:17
Downloading/unpacking cryptography
Getting page https://pypi.python.org/simple/cryptography/
URLs to search for versions for cryptography:
* https://pypi.python.org/simple/cryptography/
Analyzing links from page https://pypi.python.org/simple/cryptography/
Skipping https://pypi.python.org/packages/cp26/c/cryptography/cryptography-0.2-cp26-none-win32.whl#md5=13e5c4b19520e7dc6f07c6502b3f74e2 (from https://pypi.python.org/simple/cryptography/) because it is not compatible with this Python
Skipping https://pypi.python.org/packages/cp26/c/cryptography/cryptography-0.2.1-cp26-none-win32.whl#md5=00e733648ee5cdb9e58876238b1328f8 (from https://pypi.python.org/simple/cryptography/) because it is not compatible with this Python
Skipping https://pypi.python.org/packages/cp27/c/cryptography/cryptography-0.2-cp27-none-win32.whl#md5=013ccafa6a5a3ea92c73f2c1c4879406 (from https://pypi.python.org/simple/cryptography/) because it is not compatible with this Python
Skipping https://pypi.python.org/packages/cp27/c/cryptography/cryptography-0.2.1-cp27-none-win32.whl#md5=127d6a5dc687250721f892d55720a06c (from https://pypi.python.org/simple/cryptography/) because it is not compatible with this Python
Skipping https://pypi.python.org/packages/cp32/c/cryptography/cryptography-0.2-cp32-none-win32.whl#md5=051424a36e91039807b72f112333ded3 (from https://pypi.python.org/simple/cryptography/) because it is not compatible with this Python
Skipping https://pypi.python.org/packages/cp32/c/cryptography/cryptography-0.2.1-cp32-none-win32.whl#md5=53f6f57db8e952d64283baaa14cbde3d (from https://pypi.python.org/simple/cryptography/) because it is not compatible with this Python
Skipping https://pypi.python.org/packages/cp33/c/cryptography/cryptography-0.2-cp33-none-win32.whl#md5=302812c1c1a035cf9ba3292f8dbf3f9e (from https://pypi.python.org/simple/cryptography/) because it is not compatible with this Python
Skipping https://pypi.python.org/packages/cp33/c/cryptography/cryptography-0.2.1-cp33-none-win32.whl#md5=81acca90caf8a45f2ca73f3f9859fae4 (from https://pypi.python.org/simple/cryptography/) because it is not compatible with this Python
Found link https://pypi.python.org/packages/source/c/cryptography/cryptography-0.1.tar.gz#md5=bdc1c5fe069deca7467b71a0cc538f17 (from https://pypi.python.org/simple/cryptography/), version: 0.1
Found link https://pypi.python.org/packages/source/c/cryptography/cryptography-0.2.1.tar.gz#md5=872fc04268dadc66a0305ae5ab1c123b (from https://pypi.python.org/simple/cryptography/), version: 0.2.1
Found link https://pypi.python.org/packages/source/c/cryptography/cryptography-0.2.tar.gz#md5=8a3d21e837a21e1b7634ee1f22b06bb6 (from https://pypi.python.org/simple/cryptography/), version: 0.2
Using version 0.2.1 (newest of versions: 0.2.1, 0.2, 0.1)
Downloading from URL https://pypi.python.org/packages/source/c/cryptography/cryptography-0.2.1.tar.gz#md5=872fc04268dadc66a0305ae5ab1c123b (from https://pypi.python.org/simple/cryptography/)
Running setup.py (path:c:\users\paco\appdata\local\temp\pip_build_Paco\cryptography\setup.py) egg_info for package cryptography
In file included from c/_cffi_backend.c:7:0:
c/misc_win32.h:225:23: error: two or more data types in declaration specifiers
c/misc_win32.h:225:1: warning: useless type name in empty declaration [enabled by default]
c/_cffi_backend.c: In function 'convert_array_from_object':
c/_cffi_backend.c:1105:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1105:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1130:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1130:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1150:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1150:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'convert_struct_from_object':
c/_cffi_backend.c:1183:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1183:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1196:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1196:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'cdata_repr':
c/_cffi_backend.c:1583:13: warning: unknown conversion type character 'L' in format [-Wformat]
c/_cffi_backend.c:1583:13: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1595:9: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1595:9: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'cdataowning_repr':
c/_cffi_backend.c:1647:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1647:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function '_cdata_get_indexed_ptr':
c/_cffi_backend.c:1820:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1820:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1820:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function '_cdata_getslicearg':
c/_cffi_backend.c:1872:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1872:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1872:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'cdata_ass_slice':
c/_cffi_backend.c:1951:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1951:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1951:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1969:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1969:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1969:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1983:22: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1983:22: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'cdata_call':
c/_cffi_backend.c:2367:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:2367:30: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'Py_ssize_t' [-Wformat]
c/_cffi_backend.c:2367:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'cast_to_integer_or_char':
c/_cffi_backend.c:2916:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:2916:26: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'Py_ssize_t' [-Wformat]
c/_cffi_backend.c:2916:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:2928:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:2928:26: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'Py_ssize_t' [-Wformat]
c/_cffi_backend.c:2928:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'new_array_type':
c/_cffi_backend.c:3480:9: warning: unknown conversion type character 'l' in format [-Wformat]
c/_cffi_backend.c:3480:9: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'b_complete_struct_or_union':
c/_cffi_backend.c:3878:22: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:3878:22: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:3878:22: warning: too many arguments for format [-Wformat-extra-args]
Traceback (most recent call last):
File "<string>", line 17, in <module>
File "c:\users\paco\appdata\local\temp\pip_build_Paco\cryptography\setup.py", line 113, in <module>
"build": cffi_build,
File "D:\Anaconda\lib\distutils\core.py", line 112, in setup
_setup_distribution = dist = klass(attrs)
File "build\bdist.win-amd64\egg\setuptools\dist.py", line 239, in __init__
File "build\bdist.win-amd64\egg\setuptools\dist.py", line 264, in fetch_build_eggs
File "build\bdist.win-amd64\egg\pkg_resources.py", line 580, in resolve
dist = best[req.key] = env.best_match(req, ws, installer)
File "build\bdist.win-amd64\egg\pkg_resources.py", line 818, in best_match
return self.obtain(req, installer) # try and download/install
File "build\bdist.win-amd64\egg\pkg_resources.py", line 830, in obtain
return installer(requirement)
File "build\bdist.win-amd64\egg\setuptools\dist.py", line 314, in fetch_build_egg
File "build\bdist.win-amd64\egg\setuptools\command\easy_install.py", line 593, in easy_install
File "build\bdist.win-amd64\egg\setuptools\command\easy_install.py", line 623, in install_item
File "build\bdist.win-amd64\egg\setuptools\command\easy_install.py", line 809, in install_eggs
File "build\bdist.win-amd64\egg\setuptools\command\easy_install.py", line 1015, in build_and_install
File "build\bdist.win-amd64\egg\setuptools\command\easy_install.py", line 1003, in run_setup
distutils.errors.DistutilsError: Setup script exited with error: command 'gcc' failed with exit status 1
Complete output from command python setup.py egg_info:
In file included from c/_cffi_backend.c:7:0:
c/misc_win32.h:225:23: error: two or more data types in declaration specifiers
c/misc_win32.h:225:1: warning: useless type name in empty declaration [enabled by default]
c/_cffi_backend.c: In function 'convert_array_from_object':
c/_cffi_backend.c:1105:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1105:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1130:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1130:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1150:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1150:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'convert_struct_from_object':
c/_cffi_backend.c:1183:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1183:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1196:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1196:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'cdata_repr':
c/_cffi_backend.c:1583:13: warning: unknown conversion type character 'L' in format [-Wformat]
c/_cffi_backend.c:1583:13: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1595:9: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1595:9: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'cdataowning_repr':
c/_cffi_backend.c:1647:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1647:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function '_cdata_get_indexed_ptr':
c/_cffi_backend.c:1820:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1820:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1820:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function '_cdata_getslicearg':
c/_cffi_backend.c:1872:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1872:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1872:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'cdata_ass_slice':
c/_cffi_backend.c:1951:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1951:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1951:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1969:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1969:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1969:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:1983:22: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:1983:22: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'cdata_call':
c/_cffi_backend.c:2367:30: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:2367:30: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'Py_ssize_t' [-Wformat]
c/_cffi_backend.c:2367:30: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'cast_to_integer_or_char':
c/_cffi_backend.c:2916:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:2916:26: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'Py_ssize_t' [-Wformat]
c/_cffi_backend.c:2916:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c:2928:26: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:2928:26: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'Py_ssize_t' [-Wformat]
c/_cffi_backend.c:2928:26: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'new_array_type':
c/_cffi_backend.c:3480:9: warning: unknown conversion type character 'l' in format [-Wformat]
c/_cffi_backend.c:3480:9: warning: too many arguments for format [-Wformat-extra-args]
c/_cffi_backend.c: In function 'b_complete_struct_or_union':
c/_cffi_backend.c:3878:22: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:3878:22: warning: unknown conversion type character 'z' in format [-Wformat]
c/_cffi_backend.c:3878:22: warning: too many arguments for format [-Wformat-extra-args]
Traceback (most recent call last):
File "<string>", line 17, in <module>
File "c:\users\paco\appdata\local\temp\pip_build_Paco\cryptography\setup.py", line 113, in <module>
"build": cffi_build,
File "D:\Anaconda\lib\distutils\core.py", line 112, in setup
_setup_distribution = dist = klass(attrs)
File "build\bdist.win-amd64\egg\setuptools\dist.py", line 239, in __init__
File "build\bdist.win-amd64\egg\setuptools\dist.py", line 264, in fetch_build_eggs
File "build\bdist.win-amd64\egg\pkg_resources.py", line 580, in resolve
dist = best[req.key] = env.best_match(req, ws, installer)
File "build\bdist.win-amd64\egg\pkg_resources.py", line 818, in best_match
return self.obtain(req, installer) # try and download/install
File "build\bdist.win-amd64\egg\pkg_resources.py", line 830, in obtain
return installer(requirement)
File "build\bdist.win-amd64\egg\setuptools\dist.py", line 314, in fetch_build_egg
File "build\bdist.win-amd64\egg\setuptools\command\easy_install.py", line 593, in easy_install
File "build\bdist.win-amd64\egg\setuptools\command\easy_install.py", line 623, in install_item
File "build\bdist.win-amd64\egg\setuptools\command\easy_install.py", line 809, in install_eggs
File "build\bdist.win-amd64\egg\setuptools\command\easy_install.py", line 1015, in build_and_install
File "build\bdist.win-amd64\egg\setuptools\command\easy_install.py", line 1003, in run_setup
distutils.errors.DistutilsError: Setup script exited with error: command 'gcc' failed with exit status 1
----------------------------------------
Cleaning up...
Removing temporary dir c:\users\paco\appdata\local\temp\pip_build_Paco...
Command python setup.py egg_info failed with error code 1 in c:\users\paco\appdata\local\temp\pip_build_Paco\cryptography
Exception information:
Traceback (most recent call last):
File "D:\Anaconda\lib\site-packages\pip-1.5.4-py2.7.egg\pip\basecommand.py", line 122, in main
status = self.run(options, args)
File "D:\Anaconda\lib\site-packages\pip-1.5.4-py2.7.egg\pip\commands\install.py", line 278, in run
requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
File "D:\Anaconda\lib\site-packages\pip-1.5.4-py2.7.egg\pip\req.py", line 1229, in prepare_files
req_to_install.run_egg_info()
File "D:\Anaconda\lib\site-packages\pip-1.5.4-py2.7.egg\pip\req.py", line 325, in run_egg_info
command_desc='python setup.py egg_info')
File "D:\Anaconda\lib\site-packages\pip-1.5.4-py2.7.egg\pip\util.py", line 697, in call_subprocess
% (command_desc, proc.returncode, cwd))
InstallationError: Command python setup.py egg_info failed with error code 1 in c:\users\paco\appdata\local\temp\pip_build_Paco\cryptography
</code></pre>
<p>我发现了其他egg-info错误帖子(<a href="https://stackoverflow.com/questions/17886647/cant-install-via-pip-because-of-egg-info-error">here</a>和<a href="https://stackoverflow.com/questions/11425106/python-pip-install-fails-invalid-command-egg-info">here</a>),但是那里提供的解决方案并不能解决我的问题。另外,我还可以通过PIP安装其他软件包。</p>
<p>PIP版本1.5.4 setuptools版本2.2</p>