Das deutsche Python-Forum

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.
├── index.py
└── site-packages
    ├── click
    ├── Click-7.0.dist-info
    ├── flask
    ├── Flask-1.0.3.dist-info
    ├── itsdangerous
    ├── itsdangerous-1.1.0.dist-info
    ├── jinja2
    ├── Jinja2-2.10.1.dist-info
    ├── markupsafe
    ├── MarkupSafe-1.1.1.dist-info
    ├── pip
    ├── pip-19.1.1.dist-info
    ├── pkg_resources
    ├── setuptools
    ├── setuptools-41.0.1.dist-info
    ├── werkzeug
    ├── Werkzeug-0.15.4.dist-info
    ├── wheel
    └── wheel-0.33.4.dist-info

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#!/usr/bin/python

import os
import sys
import logging

sys.path.insert(0, os.getcwd() + "/site-packages")

logging.error(sys.path)
logging.error(sys.version)
logging.error(sys.prefix)

from wsgiref.handlers import CGIHandler

from flask import Flask

app = Flask(__name__)


@app.route("/")
@app.route("/index")
def index():
    return "Hello, World!"

CGIHandler().run(app)

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ERROR:root:['/usr/lib/cgi-bin/site-packages', '/usr/lib/cgi-bin', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-i386-linux-gnu', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/local/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages/gtk-2.0']
ERROR:root:2.7.13 (default, Sep 26 2018, 18:42:22) 
[GCC 6.3.0 20170516]
ERROR:root:/usr
Traceback (most recent call last):
  File "/usr/lib/cgi-bin/index.py", line 15, in <module>
    from flask import Flask
ImportError: No module named flask
[Wed May 29 13:06:25.697818 2019] [cgid:error] [pid 3899:tid 3029318464] [client 127.0.0.1:42736] End of script output before headers: index.py

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python index.py

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ERROR:root:['/usr/lib/cgi-bin/site-packages', '/usr/lib/cgi-bin', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-i386-linux-gnu', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/local/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages/gtk-2.0']
ERROR:root:2.7.13 (default, Sep 26 2018, 18:42:22) 
[GCC 6.3.0 20170516]
ERROR:root:/usr
hi
Traceback (most recent call last):
  File "/usr/lib/python2.7/wsgiref/handlers.py", line 85, in run
    self.result = application(self.environ, self.start_response)
  File "/usr/lib/cgi-bin/site-packages/flask/app.py", line 2328, in __call__
    return self.wsgi_app(environ, start_response)
  File "/usr/lib/cgi-bin/site-packages/flask/app.py", line 2306, in wsgi_app
    ctx = self.request_context(environ)
  File "/usr/lib/cgi-bin/site-packages/flask/app.py", line 2223, in request_context
    return RequestContext(self, environ)
  File "/usr/lib/cgi-bin/site-packages/flask/ctx.py", line 284, in __init__
    self.url_adapter = app.create_url_adapter(self.request)
  File "/usr/lib/cgi-bin/site-packages/flask/app.py", line 2040, in create_url_adapter
    subdomain=subdomain)
  File "/usr/lib/cgi-bin/site-packages/werkzeug/routing.py", line 1489, in bind_to_environ
    wsgi_server_name = get_host(environ).lower()
  File "/usr/lib/cgi-bin/site-packages/werkzeug/wsgi.py", line 169, in get_host
    rv = environ["SERVER_NAME"]
KeyError: 'SERVER_NAME'
Status: 500 Internal Server Error
Content-Type: text/plain
Content-Length: 59

A server error occurred.  Please contact the administrator.root@testwebserver:/urorroot@terrorrorrrr