我对试图让 Flask 运行感到非常沮丧。我尝试了多种安装方式，但无论如何，我遇到了一些问题，但不知道如何安装或为什么安装。
下面是它搞砸的一个示例。这是我的参考： http: //flask.pocoo.org/docs/quickstart/
任何帮助表示赞赏。提前致谢。
Shahs-MacBook-Pro:newpython ssaullah$ . venv/bin/activate
(venv)Shahs-MacBook-Pro:newpython ssaullah$ pip install Flask
Downloading/unpacking Flask
Downloading Flask-0.9.tar.gz (481kB): 481kB downloaded
Running setup.py egg_info for package Flask
warning: no files found matching '*' under directory 'tests'
warning: no previously-included files matching '*.pyc' found under directory 'docs'
warning: no previously-included files matching '*.pyo' found under directory 'docs'
warning: no previously-included files matching '*.pyc' found under directory 'tests'
warning: no previously-included files matching '*.pyo' found under directory 'tests'
warning: no previously-included files matching '*.pyc' found under directory 'examples'
warning: no previously-included files matching '*.pyo' found under directory 'examples'
no previously-included directories found matching 'docs/_build'
no previously-included directories found matching 'docs/_themes/.git'
Downloading/unpacking Werkzeug>=0.7 (from Flask)
Downloading Werkzeug-0.8.3.tar.gz (1.1MB): 1.1MB downloaded
Running setup.py egg_info for package Werkzeug
warning: no files found matching '*' under directory 'werkzeug/debug/templates'
warning: no files found matching '*' under directory 'tests'
warning: no previously-included files matching '*.pyc' found under directory 'docs'
warning: no previously-included files matching '*.pyo' found under directory 'docs'
warning: no previously-included files matching '*.pyc' found under directory 'tests'
warning: no previously-included files matching '*.pyo' found under directory 'tests'
warning: no previously-included files matching '*.pyc' found under directory 'examples'
warning: no previously-included files matching '*.pyo' found under directory 'examples'
no previously-included directories found matching 'docs/_build'
Downloading/unpacking Jinja2>=2.4 (from Flask)
Downloading Jinja2-2.7.tar.gz (377kB): 377kB downloaded
Running setup.py egg_info for package Jinja2
warning: no files found matching '*' under directory 'custom_fixers'
warning: no previously-included files matching '*' found under directory 'docs/_build'
warning: no previously-included files matching '*.pyc' found under directory 'jinja2'
warning: no previously-included files matching '*.pyc' found under directory 'docs'
warning: no previously-included files matching '*.pyo' found under directory 'jinja2'
warning: no previously-included files matching '*.pyo' found under directory 'docs'
Downloading/unpacking markupsafe (from Jinja2>=2.4->Flask)
Downloading MarkupSafe-0.18.tar.gz
Running setup.py egg_info for package markupsafe
Installing collected packages: Flask, Werkzeug, Jinja2, markupsafe
Running setup.py install for Flask
warning: no files found matching '*' under directory 'tests'
warning: no previously-included files matching '*.pyc' found under directory 'docs'
warning: no previously-included files matching '*.pyo' found under directory 'docs'
warning: no previously-included files matching '*.pyc' found under directory 'tests'
warning: no previously-included files matching '*.pyo' found under directory 'tests'
warning: no previously-included files matching '*.pyc' found under directory 'examples'
warning: no previously-included files matching '*.pyo' found under directory 'examples'
no previously-included directories found matching 'docs/_build'
no previously-included directories found matching 'docs/_themes/.git'
Running setup.py install for Werkzeug
warning: no files found matching '*' under directory 'werkzeug/debug/templates'
warning: no files found matching '*' under directory 'tests'
warning: no previously-included files matching '*.pyc' found under directory 'docs'
warning: no previously-included files matching '*.pyo' found under directory 'docs'
warning: no previously-included files matching '*.pyc' found under directory 'tests'
warning: no previously-included files matching '*.pyo' found under directory 'tests'
warning: no previously-included files matching '*.pyc' found under directory 'examples'
warning: no previously-included files matching '*.pyo' found under directory 'examples'
no previously-included directories found matching 'docs/_build'
Running setup.py install for Jinja2
warning: no files found matching '*' under directory 'custom_fixers'
warning: no previously-included files matching '*' found under directory 'docs/_build'
warning: no previously-included files matching '*.pyc' found under directory 'jinja2'
warning: no previously-included files matching '*.pyc' found under directory 'docs'
warning: no previously-included files matching '*.pyo' found under directory 'jinja2'
warning: no previously-included files matching '*.pyo' found under directory 'docs'
Running setup.py install for markupsafe
building 'markupsafe._speedups' extension
/usr/bin/clang -fno-strict-aliasing -fno-common -dynamic -arch i386 -g -O2 -DNDEBUG -g -O3 -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c markupsafe/_speedups.c -o build/temp.macosx-10.3-fat-2.7/markupsafe/_speedups.o
/usr/bin/clang -bundle -undefined dynamic_lookup -arch i386 -g build/temp.macosx-10.3-fat- 2.7/markupsafe/_speedups.o -o build/lib.macosx-10.3-fat-2.7/markupsafe/_speedups.so
成功安装 Flask Werkzeug Jinja2 markupsafe 清理...
--
(venv)Shahs-MacBook-Pro:newpython ssaullah$ touch hello.py
(venv)Shahs-MacBook-Pro:newpython ssaullah$ open hello.py
(venv)Shahs-MacBook-Pro:newpython ssaullah$ python hello.py
File "hello.py", line 4
SyntaxError: Non-ASCII character '\xe2' in file hello.py on line 4, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details
(venv)Shahs-MacBook-Pro:newpython ssaullah$
Shahs-MacBook-Pro:helloflask ssaullah$ git push heroku master 计数对象：6，完成。使用多达 8 个线程的 Delta 压缩。压缩对象：100% (4/4)，完成。写入对象：100% (6/6)，731 字节，完成。总计 6 个（增量 0），重复使用 0 个（增量 0）