安装烧瓶:
(cloud_computing) ⚙ master pip install Flask
Collecting Flask
Using cached Flask-0.12-py2.py3-none-any.whl
Requirement already satisfied: itsdangerous>=0.21 in ./cloud_computing/lib/python2.7/site-packages (from Flask)
Requirement already satisfied: click>=2.0 in ./cloud_computing/lib/python2.7/site-packages (from Flask)
Requirement already satisfied: Werkzeug>=0.7 in ./cloud_computing/lib/python2.7/site-packages (from Flask)
Requirement already satisfied: Jinja2>=2.4 in ./cloud_computing/lib/python2.7/site-packages (from Flask)
Requirement already satisfied: MarkupSafe>=0.23 in ./cloud_computing/lib/python2.7/site-packages (from Jinja2>=2.4->Flask)
Installing collected packages: Flask
Successfully installed Flask-0.12
检查是否已安装
(cloud_computing) ⚙ master pip list
DEPRECATION: The default format will switch to columns in the future. You can use --format=(legacy|columns) (or define a format=(legacy|columns) in your pip.conf under the [list] section) to disable this warning.
appdirs (1.4.3)
click (6.7)
Flask (0.12)
geopy (1.11.0)
itsdangerous (0.24)
Jinja2 (2.9.5)
MarkupSafe (1.0)
oauthlib (2.0.1)
packaging (16.8)
pip (9.0.1)
pyparsing (2.2.0)
requests (2.13.0)
requests-oauthlib (0.8.0)
setuptools (34.3.2)
six (1.10.0)
tweepy (3.5.0)
Werkzeug (0.12)
wheel (0.29.0)
(cloud_computing) ⚙ master pip show Flask
Name: Flask
Version: 0.12
Summary: A microframework based on Werkzeug, Jinja2 and good intentions
Home-page: http://github.com/pallets/flask/
Author: Armin Ronacher
Author-email: armin.ronacher@active-4.com
License: BSD
Location: /home/abhishek/Dropbox/columbia_docs/cloud_computing/cloud_computing_twittmap/cloud_computing/lib/python2.7/site-packages
Requires: itsdangerous, click, Werkzeug, Jinja2
导入错误!!!
(cloud_computing) ⚙ master python -c "import Flask"
Traceback (most recent call last):
File "<string>", line 1, in <module>
ImportError: No module named Flask
(cloud_computing) ✘ ⚙ master python -c "import flask"
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "flask.py", line 1, in <module>
from flask import Flask
ImportError: cannot import name Flask
我的virtualenv被激活,因为(cloud_computing)会在提示符处显示。不知道这里的问题是什么。在堆栈上看到其他问题,但对我的案例没有有用的回应。