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25
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1 #!/usr/bin/env python
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2
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3 """
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4 web handler for MPL licenser
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5 """
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6
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7 import licenses
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26
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8 import tempfile
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27
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9 from StringIO import StringIO
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25
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10 from webob import Request, Response, exc
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11
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12 class Handler(object):
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13
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27
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14 required = set(['author', 'email', 'url'])
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15
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16 template = """<html>
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17 <head><title>MPL licenser</title></head>
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18 <body>
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19 <h1>MPL Licenser</h1>
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20 <div><i>license your files with MPL. Currently works for files of type: %(filetypes)s</i></div>
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21 <div><form method="POST" enctype="multipart/form-data">
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22 <p>Enter a file: <input type="file" name="file"/></p>
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23 <p>or a URL: <input type="text" name="url" value="%(url)s"/></p>
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27
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24 <p>And enter your name: <input type="text" name="author" value="%(author)s"/></p>
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25
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25 <p>and email: <input type="text" name="email" value="%(email)s"/></p>
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26 <input type="submit"/>
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27 </body>
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28 </html>"""
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29
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30 def __init__(self, **kw):
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27
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31 self.license = licenses.MPL()
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32 self.methods = {'GET': self.GET,
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33 'POST': self.POST}
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34
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35 def __call__(self, environ, start_response):
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36 request = Request(environ)
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37 if request.method in self.methods:
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38 response = self.methods[request.method](request)
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39 else:
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40 response = exc.HTTPMethodNotAllowed()
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41 return response(environ, start_response)
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42
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43 def GET(self, request):
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44 variables = {}
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45 for i in self.required:
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46 if i in request.GET:
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47 variables[i] = request.GET[i]
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48 if set(variables.keys()) == self.required:
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49 try:
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50 pass
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51 except:
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52 pass
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53 return self.render(**variables)
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54
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55 def render(self, **variables):
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56 for i in self.required:
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57 if i not in variables:
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58 variables[i] = ''
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59 variables['filetypes'] = licenses.filetypes_string()
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60 return Response(content_type='text/html', body=(self.template % variables))
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61
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62 def POST(self, request):
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63 variables = dict([(i, request.params[i])
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64 for i in self.required
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65 if i in request.params])
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66 if 'file' in request.POST and hasattr(request.POST['file'], 'filename'):
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67 body = request.POST['file'].file.getvalue()
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68 filename = request.POST['file'].filename
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69 elif 'url' in request.POST:
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70 try:
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71 pass
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72 except:
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73 return self.render(**variables)
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74 if not set(['author', 'email']).issubset(request.params):
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75 return self.render(**variables)
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76 author = request.params['author']
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77 email = request.params['email']
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78 retval = self.interpolate(filename, body, author, email)
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79 return Response(content_type='text/plain', body=retval)
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80
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81 def interpolate(self, filename, body, author, email):
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82
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83 buffer = StringIO()
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84 buffer.write(body)
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85 value = buffer.getvalue().splitlines()
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86 if self.license.has_license(buffer):
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87 return body
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88 filetype = self.license.filetype(filename)
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89 if not filetype:
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90 return body
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91 variables = self.license.obtain_variables(author=author, email=email)
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92 license = self.license.interpolate_license(**variables)
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93 value = [i + '\r\n' for i in value]
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94 filetype._lines = value
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95 buffer = StringIO()
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96 filetype.filename = buffer
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97 filetype(license)
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98 return buffer.getvalue()
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26
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99
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25
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100 if __name__ == '__main__':
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101 from wsgiref import simple_server
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102 app = Handler()
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103 server = simple_server.make_server(host='0.0.0.0', port=8080, app=app)
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104 server.serve_forever()
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105
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