我在尝试在Heroku上使用Flask运行python-recsys时遇到了困难
python-recsys的要求之一是它需要numpy
我的requirements.txt是
decorator==4.0.4
numpy==1.6.2
Flask==0.10.1
itsdangerous==0.24
Jinja2==2.8
MarkupSafe==0.23
networkx==1.10
git+https://github.com/ocelma/python-recsys.git
scipy==0.16.1
Werkzeug==0.10.4
wheel==0.24.0
Divisi2==2.2.5
产出
Counting objects: 4434, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (4353/4353), done.
Writing objects: 100% (4434/4434), 33.17 MiB | 470 KiB/s, done.
Total 4434 (delta 394), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote:
remote: -----> Removing .DS_Store files
remote: -----> Python app detected
remote: -----> Installing runtime (python-2.7.10)
remote: -----> Installing dependencies with pip
remote: Collecting git+https://github.com/ocelma/python-recsys.git (from -r requirements.txt (line 8))
remote: Cloning https://github.com/ocelma/python-recsys.git to /tmp/pip-nCYxck-build
remote: Collecting decorator==4.0.4 (from -r requirements.txt (line 1))
remote: Downloading decorator-4.0.4-py2.py3-none-any.whl
remote: Collecting numpy==1.6.2 (from -r requirements.txt (line 2))
remote: Downloading numpy-1.6.2.tar.gz (2.6MB)
remote: Collecting Flask==0.10.1 (from -r requirements.txt (line 3))
remote: Downloading Flask-0.10.1.tar.gz (544kB)
remote: Collecting itsdangerous==0.24 (from -r requirements.txt (line 4))
remote: Downloading itsdangerous-0.24.tar.gz (46kB)
remote: Collecting Jinja2==2.8 (from -r requirements.txt (line 5))
remote: Downloading Jinja2-2.8-py2.py3-none-any.whl (263kB)
remote: Collecting MarkupSafe==0.23 (from -r requirements.txt (line 6))
remote: Downloading MarkupSafe-0.23.tar.gz
remote: Collecting networkx==1.10 (from -r requirements.txt (line 7))
remote: Downloading networkx-1.10.tar.gz (1.2MB)
remote: Collecting scipy==0.16.1 (from -r requirements.txt (line 9))
remote: Downloading scipy-0.16.1.tar.gz (12.2MB)
remote: Collecting Werkzeug==0.10.4 (from -r requirements.txt (line 10))
remote: Downloading Werkzeug-0.10.4-py2.py3-none-any.whl (293kB)
remote: Collecting wheel==0.24.0 (from -r requirements.txt (line 11))
remote: Downloading wheel-0.24.0-py2.py3-none-any.whl (63kB)
remote: Collecting Divisi2==2.2.5 (from -r requirements.txt (line 12))
remote: Downloading Divisi2-2.2.5.tar.gz (10.9MB)
remote: Complete output from command python setup.py egg_info:
remote: This package requires NumPy.
remote:
remote: On a Debian / Ubuntu system, you can run:
remote: sudo apt-get install python-numpy python-dev
remote:
remote: Otherwise it will probably suffice to:
remote: sudo easy_install numpy
remote:
remote:
remote: ----------------------------------------
remote: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip- build-U6idSN/Divisi2
remote:
remote: ! Push rejected, failed to compile Python app
从输出中似乎已安装了numpy（第2行）
但输出为已卸载
我尝试了不同的变体，包括不同版本的numpy
我试过将numpy需求放在requirements.txt中的不同位置
关于什么导致此错误的任何想法？
有没有更好的方法来安装numpy？
参考方案
我已经按照@MatO的建议进行了修复：
在本地运行python.exe -m pip install python-dev-tools
用pip freeze > requirements.txt重新生成requirements.txt
使用git add .添加更改
提交git commit -m "v5"
推送到Heroku git push heroku master
部署后，我可以运行我的应用程序，尽管我得到警告：
警告：您的文件大小（397 MB）超出了我们的软限制（300 MB）
这可能会影响启动时间。
我的应用程序使用了59 MB，现在比不使用virtualenv部署它时要大。
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