importorror：没有名为crispy forms的模块

Question

我正在开发一些django应用程序，还不算什么。想用酥脆的形式，但eclipse和django不认识它。

正在尝试运行服务器或外壳程序：

$ python manage.py runserver

发生这种情况：

Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
    utility.execute()
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 354, in execute
    django.setup()
  File "/usr/local/lib/python2.7/dist-packages/django/__init__.py", line 21, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 85, in populate
    app_config = AppConfig.create(entry)
  File "/usr/local/lib/python2.7/dist-packages/django/apps/config.py", line 87, in create
    module = import_module(entry)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
ImportError: No module named crispy-forms

这是我最近在views.py旁边添加到site文件夹中的forms.py，它抱怨crispy表单的未解析导入…：

from django.contrib.auth.forms import UserCreationForm
from crispy_forms.helper import FormHelper
from crispy_forms.layout import Layout, ButtonHolder, Submit
from wx.lib.pubsub.core import kwargs

class RegistrationForm(UserCreationForm):
    def __init__(self, *args, **kwargs):
        super(RegistrationForm, self).__init__(*args, **kwargs)

        self.helper = FormHelper()
        self.helper.layout = Layout(
            'username',
            'password1',
            'password2',
            ButtonHolder(
                Submit('register', 
                       'Register', 
                       css_class='btn-prima'
                )
            )
        )

这是我的部分设置.py：

    INSTALLED_APPS = (
        'django.contrib.admin',
        'django.contrib.auth',
        'django.contrib.contenttypes',
        'django.contrib.sessions',
        'django.contrib.messages',
        'django.contrib.staticfiles',
        'polls',
        'crispy-forms',
    )

...
CRISPY_TEMPLATE_PACK = 'bootstrap'

我在运行virtualenv，我的venv dir如下所示：

venv/bin$ ls -la
total 2916
drwxr-xr-x 3 nr1 nr1    4096 Feb 17 11:24 .
drwxr-xr-x 6 nr1 nr1    4096 Feb 16 19:38 ..
-rw-r--r-- 1 nr1 nr1    2220 Feb 16 19:35 activate
-rw-r--r-- 1 nr1 nr1    1276 Feb 16 19:35 activate.csh
-rw-r--r-- 1 nr1 nr1    2489 Feb 16 19:35 activate.fish
-rw-r--r-- 1 nr1 nr1    1137 Feb 16 19:35 activate_this.py
-rwxr-xr-x 1 nr1 nr1     300 Feb 16 19:44 django-admin
-rwxr-xr-x 1 nr1 nr1     159 Feb 16 19:44 django-admin.py
-rw-r--r-- 1 nr1 nr1     304 Feb 16 19:44 django-admin.pyc
-rwxr-xr-x 1 nr1 nr1     267 Feb 17 11:24 easy_install
-rwxr-xr-x 1 nr1 nr1     267 Feb 17 11:24 easy_install-2.7
drwxr-xr-x 7 nr1 nr1    4096 Feb 16 19:47 .git
-rwxr-xr-x 1 nr1 nr1    2364 Feb 17 00:13 pilconvert.py
-rwxr-xr-x 1 nr1 nr1   15631 Feb 17 00:13 pildriver.py
-rwxr-xr-x 1 nr1 nr1    2609 Feb 17 00:13 pilfile.py
-rwxr-xr-x 1 nr1 nr1    1055 Feb 17 00:13 pilfont.py
-rwxr-xr-x 1 nr1 nr1    2410 Feb 17 00:13 pilprint.py
-rwxr-xr-x 1 nr1 nr1     239 Feb 17 11:24 pip
-rwxr-xr-x 1 nr1 nr1     239 Feb 17 11:24 pip2
-rwxr-xr-x 1 nr1 nr1     239 Feb 17 11:24 pip2.7
-rwxr-xr-x 1 nr1 nr1 2884984 Feb 17 11:24 python
lrwxrwxrwx 1 nr1 nr1       6 Feb 17 11:24 python2 -> python
lrwxrwxrwx 1 nr1 nr1       6 Feb 17 11:24 python2.7 -> python
-rwxr-xr-x 1 nr1 nr1    3886 Feb 17 00:11 sqlformat

我无意中输入了： pip安装python 今天，似乎是这样。会有什么影响吗？我是说，virtualenv的任务不是确保没有软件冲突吗？

不管怎样，我现在不能让任何Django的工作，直到我想出来，有什么帮助吗？

更新1 更改：

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'polls',
    'crispy_forms',
)

$ python manage.py runserver

Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
    utility.execute()
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 354, in execute
    django.setup()
  File "/usr/local/lib/python2.7/dist-packages/django/__init__.py", line 21, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 85, in populate
    app_config = AppConfig.create(entry)
  File "/usr/local/lib/python2.7/dist-packages/django/apps/config.py", line 87, in create
    module = import_module(entry)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
ImportError: No module named crispy_forms


$ cat requirements.txt 
Django==1.7.4
django-crispy-forms==1.4.0
django-debug-toolbar==1.2.2
django-extras==0.3
django-grappelli==2.6.3
django-haystack==2.3.1
django-reversion==1.8.5
django-tastypie==0.12.1
easy-thumbnails==2.2
Pillow==2.7.0
python-dateutil==2.4.0
python-mimeparse==0.1.4
requests==2.5.1
six==1.9.0
sqlparse==0.1.14

更新2：安装一个新的django项目，新的virtualenv，全新的。。同样的事情也会发生

（abc）nr1@kali:~/workspace/websites/abc$pip安装django crispy表单 珍藏姜果酥 使用缓存的django-crispy-forms-1.4.0.tar.gz 安装收集的包：django crispy forms 为django crispy forms运行setup.py install 成功安装django-crispy-forms-1.4.0

(abc)nr1@kali:~/workspace/websites/abc$ python manage.py runserver
Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/home/nr1/Envs/abc/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
    utility.execute()
  File "/home/nr1/Envs/abc/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 354, in execute
    django.setup()
  File "/home/nr1/Envs/abc/local/lib/python2.7/site-packages/django/__init__.py", line 21, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/home/nr1/Envs/abc/local/lib/python2.7/site-packages/django/apps/registry.py", line 85, in populate
    app_config = AppConfig.create(entry)
  File "/home/nr1/Envs/abc/local/lib/python2.7/site-packages/django/apps/config.py", line 123, in create
    import_module(entry)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
ImportError: No module named crispy_forms

我现在尝试将crispy_表单安装到一个完整的项目中，在我的virtualenv中，我看到了它：

nr1@kali:~/Envs/abc/local/lib/python2.7/site-packages$ ls -la
total 56
drwxr-xr-x 12 nr1 nr1 4096 Feb 17 21:50 .
drwxr-xr-x  4 nr1 nr1 4096 Feb 17 20:31 ..
drwxr-xr-x  5 nr1 nr1 4096 Feb 17 21:50 crispy_forms
drwxr-xr-x 17 nr1 nr1 4096 Feb 17 20:40 django
drwxr-xr-x  2 nr1 nr1 4096 Feb 17 20:40 Django-1.7.4.dist-info
drwxr-xr-x  2 nr1 nr1 4096 Feb 17 21:50 django_crispy_forms-1.4.0-py2.7.egg-info
-rw-r--r--  1 nr1 nr1  126 Feb 17 20:31 easy_install.py
-rw-r--r--  1 nr1 nr1  315 Feb 17 20:31 easy_install.pyc
drwxr-xr-x  2 nr1 nr1 4096 Feb 17 20:31 _markerlib
drwxr-xr-x 10 nr1 nr1 4096 Feb 17 20:31 pip
drwxr-xr-x  2 nr1 nr1 4096 Feb 17 20:31 pip-6.0.8.dist-info
drwxr-xr-x  4 nr1 nr1 4096 Feb 17 20:31 pkg_resources
drwxr-xr-x  4 nr1 nr1 4096 Feb 17 20:31 setuptools
drwxr-xr-x  2 nr1 nr1 4096 Feb 17 20:31 setuptools-12.0.5.dist-info

很明显。Django甚至不知道它安装了它。怎么会这样？？virtualenv说它在那里，但django看不见它？？？wtx。。。

Answer 1

你必须确保在virtualenv中安装了crispy表单。

1. 激活virtual env（其中env是虚拟环境的目录/名称）：

   source env/bin/激活

2. 安装易碎模板

   pip安装django crispy forms

Answer 2

根据文档：http://django-crispy-forms.readthedocs.org/en/latest/install.html#installing-django-crispy-forms，您必须在已安装的应用程序列表中添加“crispy_forms”而不是“crispy forms”。

Answer 3

我现在解决了这个问题，我意识到crispy表单安装版本是python 2.7版本，但是我将Django-1.10与python 3.5一起使用，我认为这也是您的问题。

尝试：pip3 install --user django-crispy-forms