Question

我正在尝试在我创建的子域上运行python文件。根据HostGator，支持python文件，但不支持我在整个文件中使用的webapp2框架：

#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.

# See the License for the specific language governing permissions and
# limitations under the License.
#

import webapp2
import cgi

def Build_Page(textarea_content):

form = """
<table>
    <tr>
    <td>
    <label>{0}</label>
    </td>
    <td>
    <label>Username: <input type="text" name="username"/></label>
    </td>
    </tr>

    <tr>
    <td>
    <label>{1}</label>
    </td>
    <td>
    <label>Password: <input type="text" name="password"/></label>
    </td></tr>

    <tr>
    <td> 
    <label>{2}</label>
    </td>
    <td>
    <label>Verify Password: <input type="text" name="verify_password"/>
    </label>
    </td>
    </tr>

    <tr>
    <td>
    <label>{3}</label>
    </td>
    <td>
    <label>Email (optional): <input type="text" name="email"/></label>
    </td>
    </tr>

</table>
"""
submit = "<input type = 'submit'/>"
form2 = ("<form method='post'>" + form + submit + "
</form>").format("Please enter a username",
"Please enter a password", "Passwords must match","Please enter a valid
email")

header = "<h1>User Signup</h1>" 

return header + form2

class MainHandler(webapp2.RequestHandler):
    def get(self):
        content = Build_Page("")
        self.response.write(content)

    def post(self):
    # look inside the request to figure out what the user typed
        username = self.request.get("username")
        password = self.request.get("password")
        verify_password = self.request.get("verify_password")
        email = self.request.get("email")
    # if the user typed nothing at all, redirect
        if (not username) or (username.strip() == ""):
            error = "Please enter a username."
            self.response.write(error)
            self.redirect("/?error=" + cgi.escape(error, quote=True))

        if (not password) or (username.strip() == ""):
            error = "Please enter a username."
            self.response.write(error)
            self.redirect("/?error=" + cgi.escape(error, quote=True))

        """if (not username) or (username.strip() == ""):
            error = "Please enter a username."
            self.response.write(error)
            self.redirect("/?error=" + cgi.escape(error, quote=True))

        if (not username) or (username.strip() == ""):
            error = "Please enter a username."
            self.response.write(error)
            self.redirect("/?error=" + cgi.escape(error,
            quote=True))"""

    #self.write.form2    
    #message = self.request.get("message") # hello</textarea>hello
    #rotation = int(self.request.get("rotation")) # 0 
    #encrypted_message = caesar.encrypt(message, rotation) 
    #hello</textarea>hello
    #escaped_message = cgi.escape(encrypted_message) 
    # hello&lt;/textarea&gt;hello
    #content = build_page(escaped_message)
    #self.response.write(content)

    #original_form = form.format("","","","","","")
    #page footer

    #class TestHandler(webapp2.RequestHandler):
    #    """ Handles requests coming in to '/add'
    #        e.g. www.user-signup.com/add
    #    """
    #    def get(self):

app = webapp2.WSGIApplication([
    ('/', MainHandler),
    #('/', TestHandler)
], debug=True)

据我了解，webapp / webapp2是Handlers +内部函数的工作原理。例如，通过webapp2可以获得“用户名”标签中的用户名输入。

由于HostGator不支持webapp2，我可以在其中使用什么？ HostGator的技术支持人员建议我使用PIP或PyPI：

http://webpy.org/install

https://pypi.python.org/pypi

但是在我安装其中一个软件包并将其文件夹复制到我的子域的目录后，我怎么知道在文件顶部使用什么命令。我只是说