Heroku的不requirements.txt

在requirements.txt安裝psycopg2，改變了gunicorn==19.0.0到gunicorn==18.0.0，它的伎倆。版本19.0.0中斷了Python 2.x，並且阻止安裝psycopg2。

原來的問題

我在requirements.txt如下：

Django==1.6.5 
South==0.8.4 
argparse==1.2.1 
dj-database-url==0.3.0 
dj-static==0.0.5 
django-toolbelt==0.0.1 
gunicorn==19.0.0 
psycopg2==2.5.2 
pystache==0.5.4 
static==1.0.2 
wsgiref==0.1.2

當我推到Heroku的，但是，它不會安裝psycopg2，甚至不提及任何故障關於這種依賴關係。

Initializing repository, done. 
Counting objects: 1257, done. 
Delta compression using up to 4 threads. 
Compressing objects: 100% (1213/1213), done. 
Writing objects: 100% (1257/1257), 504.62 KiB | 376.00 KiB/s, done. 
Total 1257 (delta 642), reused 0 (delta 0) 

-----> Python app detected 
-----> Installing runtime (python-2.7.8) 
-----> Installing dependencies with pip 
     Downloading/unpacking Django==1.6.5 (from -r requirements.txt (line 1)) 
     Downloading/unpacking South==0.8.4 (from -r requirements.txt (line 2)) 
     Downloading/unpacking argparse==1.2.1 (from -r requirements.txt (line 3)) 
     Running setup.py (path:/tmp/pip_build_u3159/argparse/setup.py) egg_info for package argparse 

      no previously-included directories found matching 'doc/_build' 
      no previously-included directories found matching 'env24' 
      no previously-included directories found matching 'env25' 
      no previously-included directories found matching 'env26' 
      no previously-included directories found matching 'env27' 
     Downloading/unpacking dj-database-url==0.3.0 (from -r requirements.txt (line 4)) 
     Downloading dj_database_url-0.3.0-py2.py3-none-any.whl 
     Downloading/unpacking dj-static==0.0.5 (from -r requirements.txt (line 5)) 
     Downloading dj-static-0.0.5.tar.gz 
     Running setup.py (path:/tmp/pip_build_u3159/dj-static/setup.py) egg_info for package dj-static 

     Downloading/unpacking gunicorn==19.0.0 (from -r requirements.txt (line 6)) 
     Running setup.py (path:/tmp/pip_build_u3159/gunicorn/setup.py) egg_info for package gunicorn 

     Downloading/unpacking pystache==0.5.4 (from -r requirements.txt (line 7)) 
     Running setup.py (path:/tmp/pip_build_u3159/pystache/setup.py) egg_info for package pystache 
      pystache: using: version '5.4.1' of <module 'setuptools' from '/app/.heroku/python/lib/python2.7/site-packages/setuptools-5.4.1-py2.7.egg/setuptools/__init__.pyc'> 

     Downloading/unpacking static==1.0.2 (from -r requirements.txt (line 8)) 
     Downloading static-1.0.2.tar.gz 
     Running setup.py (path:/tmp/pip_build_u3159/static/setup.py) egg_info for package static 

     Installing collected packages: Django, South, argparse, dj-database-url, dj-static, gunicorn, pystache, static 
     Running setup.py install for argparse 

      no previously-included directories found matching 'doc/_build' 
      no previously-included directories found matching 'env24' 
      no previously-included directories found matching 'env25' 
      no previously-included directories found matching 'env26' 
      no previously-included directories found matching 'env27' 
     Running setup.py install for dj-static 

     Running setup.py install for gunicorn 

      File "/app/.heroku/python/lib/python2.7/site-packages/gunicorn/workers/gaiohttp.py", line 67 
       yield from self.wsgi.close() 
         ^
      SyntaxError: invalid syntax 

      Installing gunicorn_paster script to /app/.heroku/python/bin 
      Installing gunicorn script to /app/.heroku/python/bin 
      Installing gunicorn_django script to /app/.heroku/python/bin 
     Running setup.py install for pystache 
      pystache: using: version '5.4.1' of <module 'setuptools' from '/app/.heroku/python/lib/python2.7/site-packages/setuptools-5.4.1-py2.7.egg/setuptools/__init__.pyc'> 

      Installing pystache script to /app/.heroku/python/bin 
      Installing pystache-test script to /app/.heroku/python/bin 
     Running setup.py install for static 

      Installing static script to /app/.heroku/python/bin 
     Successfully installed Django South argparse dj-database-url dj-static gunicorn pystache static 
     Cleaning up... 

-----> Preparing static assets 
     Collectstatic configuration error. To debug, run: 
     $ heroku run python ./manage.py collectstatic --noinput 

-----> Discovering process types 
     Procfile declares types -> web 

-----> Compressing... done, 34.7MB 
-----> Launching... done, v5

當我嘗試sync數據庫，當然，它抱怨psycopg2沒有安裝。
如何讓Heroku安裝缺失的依賴項？我會很感激任何建設性的想法。

我的數據庫設置，如果它是對這一問題感興趣：

DATABASES = {} 
if ENV_TYPE == 'development': 
    DATABASES['default'] = {'ENGINE': 'django.db.backends.sqlite3', 
          'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),} 
else: 
    DATABASES['default'] = dj_database_url.config()

更新

沒有在報告中提到一個SyntaxError，爲gunicorn。是否可能制動psycopg2的安裝？我認爲它不應該。

來源

2014-09-05 danbal

在Python 3.3中增加'yield from'。文件「/app/.heroku/python/lib/**python2.7**/site-packages/gunicorn/workers/gaiohttp.py」，第67行產自self.wsgi.close（） – power 2014-09-05 11:53:25

我也注意到它，但它可能會破壞psycopg2？這不是一個棘手的問題嗎？我現在要測試它.. – danbal 2014-09-05 11:54:58

它做了詭計，謝謝@power。如果您將您的評論置於答案中，我會接受它。 – danbal 2014-09-05 12:03:44

yield from在Python 3.3中添加。

File "/app/.heroku/python/lib/**python2.7**/site-packages/gunicorn/workers/gaiohttp.py"‌, line 67 
    yield from self.wsgi.close()

來源

2014-09-05 11:55:04 power

Heroku的不requirements.txt

回答

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