author | Tim Ansell <mithro@gmail.com> |
Sun, 29 Mar 2009 07:43:04 +0000 | |
changeset 2027 | 199bcab679df |
parent 109 | 620f9b141567 |
permissions | -rwxr-xr-x |
109
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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1 |
import os |
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2 |
import re |
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3 |
from webob import Request, Response |
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4 |
from webob import exc |
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5 |
from tempita import HTMLTemplate |
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6 |
|
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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7 |
VIEW_TEMPLATE = HTMLTemplate("""\ |
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8 |
<html> |
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9 |
<head> |
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10 |
<title>{{page.title}}</title> |
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11 |
</head> |
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12 |
<body> |
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13 |
<h1>{{page.title}}</h1> |
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14 |
{{if message}} |
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15 |
<div style="background-color: #99f">{{message}}</div> |
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16 |
{{endif}} |
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17 |
|
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18 |
<div>{{page.content|html}}</div> |
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19 |
|
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20 |
<hr> |
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21 |
<a href="{{req.url}}?action=edit">Edit</a> |
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22 |
</body> |
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23 |
</html> |
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24 |
""") |
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25 |
|
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26 |
EDIT_TEMPLATE = HTMLTemplate("""\ |
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27 |
<html> |
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28 |
<head> |
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29 |
<title>Edit: {{page.title}}</title> |
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30 |
</head> |
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31 |
<body> |
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32 |
{{if page.exists}} |
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33 |
<h1>Edit: {{page.title}}</h1> |
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34 |
{{else}} |
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35 |
<h1>Create: {{page.title}}</h1> |
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36 |
{{endif}} |
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37 |
|
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38 |
<form action="{{req.path_url}}" method="POST"> |
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39 |
<input type="hidden" name="mtime" value="{{page.mtime}}"> |
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40 |
Title: <input type="text" name="title" style="width: 70%" value="{{page.title}}"><br> |
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41 |
Content: <input type="submit" value="Save"> |
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42 |
<a href="{{req.path_url}}">Cancel</a> |
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43 |
<br> |
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44 |
<textarea name="content" style="width: 100%; height: 75%" rows="40">{{page.content}}</textarea> |
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45 |
<br> |
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46 |
<input type="submit" value="Save"> |
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47 |
<a href="{{req.path_url}}">Cancel</a> |
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48 |
</form> |
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49 |
</body></html> |
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50 |
""") |
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51 |
|
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52 |
class WikiApp(object): |
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53 |
|
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54 |
view_template = VIEW_TEMPLATE |
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55 |
edit_template = EDIT_TEMPLATE |
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56 |
|
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57 |
def __init__(self, storage_dir): |
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self.storage_dir = os.path.abspath(os.path.normpath(storage_dir)) |
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59 |
|
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60 |
def __call__(self, environ, start_response): |
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61 |
req = Request(environ) |
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62 |
action = req.params.get('action', 'view') |
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63 |
page = self.get_page(req.path_info) |
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64 |
try: |
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65 |
try: |
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66 |
meth = getattr(self, 'action_%s_%s' % (action, req.method)) |
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67 |
except AttributeError: |
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68 |
raise exc.HTTPBadRequest('No such action %r' % action).exception |
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69 |
resp = meth(req, page) |
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70 |
except exc.HTTPException, e: |
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71 |
resp = e |
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72 |
return resp(environ, start_response) |
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73 |
|
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74 |
def get_page(self, path): |
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75 |
path = path.lstrip('/') |
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76 |
if not path: |
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77 |
path = 'index' |
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78 |
path = os.path.join(self.storage_dir) |
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79 |
path = os.path.normpath(path) |
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80 |
if path.endswith('/'): |
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81 |
path += 'index' |
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82 |
if not path.startswith(self.storage_dir): |
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83 |
raise exc.HTTPBadRequest("Bad path").exception |
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84 |
path += '.html' |
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85 |
return Page(path) |
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86 |
|
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87 |
def action_view_GET(self, req, page): |
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88 |
if not page.exists: |
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89 |
return exc.HTTPTemporaryRedirect( |
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90 |
location=req.url + '?action=edit') |
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91 |
if req.cookies.get('message'): |
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92 |
message = req.cookies['message'] |
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93 |
else: |
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94 |
message = None |
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95 |
text = self.view_template.substitute( |
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96 |
page=page, req=req, message=message) |
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97 |
resp = Response(text) |
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98 |
if message: |
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|
99 |
resp.delete_cookie('message') |
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100 |
else: |
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101 |
resp.last_modified = page.mtime |
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|
102 |
resp.conditional_response = True |
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103 |
return resp |
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104 |
|
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105 |
def action_view_POST(self, req, page): |
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106 |
submit_mtime = int(req.params.get('mtime') or '0') or None |
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107 |
if page.mtime != submit_mtime: |
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108 |
return exc.HTTPPreconditionFailed( |
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109 |
"The page has been updated since you started editing it") |
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110 |
page.set( |
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111 |
title=req.params['title'], |
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112 |
content=req.params['content']) |
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|
113 |
resp = exc.HTTPSeeOther( |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
114 |
location=req.path_url) |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
115 |
resp.set_cookie('message', 'Page updated') |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
116 |
return resp |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
117 |
|
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
118 |
def action_edit_GET(self, req, page): |
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Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
119 |
text = self.edit_template.substitute( |
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parents:
diff
changeset
|
120 |
page=page, req=req) |
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parents:
diff
changeset
|
121 |
return Response(text) |
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parents:
diff
changeset
|
122 |
|
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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changeset
|
123 |
class Page(object): |
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parents:
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|
124 |
def __init__(self, filename): |
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parents:
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|
125 |
self.filename = filename |
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parents:
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changeset
|
126 |
|
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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|
127 |
@property |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
128 |
def exists(self): |
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parents:
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|
129 |
return os.path.exists(self.filename) |
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parents:
diff
changeset
|
130 |
|
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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changeset
|
131 |
@property |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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|
132 |
def title(self): |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
133 |
if not self.exists: |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
134 |
# we need to guess the title |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
135 |
basename = os.path.splitext(os.path.basename(self.filename))[0] |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
136 |
basename = re.sub(r'[_-]', ' ', basename) |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
137 |
return basename.capitalize() |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
138 |
content = self.full_content |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
139 |
match = re.search(r'<title>(.*?)</title>', content, re.I|re.S) |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
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|
140 |
return match.group(1) |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
changeset
|
141 |
|
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parents:
diff
changeset
|
142 |
@property |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
143 |
def full_content(self): |
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parents:
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|
144 |
f = open(self.filename, 'rb') |
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parents:
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|
145 |
try: |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
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|
146 |
return f.read() |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
changeset
|
147 |
finally: |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
148 |
f.close() |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
changeset
|
149 |
|
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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changeset
|
150 |
@property |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
changeset
|
151 |
def content(self): |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
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|
152 |
if not self.exists: |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
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diff
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|
153 |
return '' |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
changeset
|
154 |
content = self.full_content |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
155 |
match = re.search(r'<body[^>]*>(.*?)</body>', content, re.I|re.S) |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
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|
156 |
return match.group(1) |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
157 |
|
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
158 |
@property |
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
159 |
def mtime(self): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
160 |
if not self.exists: |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
161 |
return None |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
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parents:
diff
changeset
|
162 |
else: |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
163 |
return os.stat(self.filename).st_mtime |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
164 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
165 |
def set(self, title, content): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
166 |
dir = os.path.dirname(self.filename) |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
167 |
if not os.path.exists(dir): |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
168 |
os.makedirs(dir) |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
169 |
new_content = """<html><head><title>%s</title></head><body>%s</body></html>""" % ( |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
170 |
title, content) |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
171 |
f = open(self.filename, 'wb') |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
172 |
f.write(new_content) |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
173 |
f.close() |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
174 |
|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
175 |
if __name__ == '__main__': |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
176 |
import optparse |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
177 |
parser = optparse.OptionParser( |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
178 |
usage='%prog --port=PORT' |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
179 |
) |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
180 |
parser.add_option( |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
181 |
'-p', '--port', |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
182 |
default='8080', |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
183 |
dest='port', |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
184 |
type='int', |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
185 |
help='Port to serve on (default 8080)') |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
186 |
parser.add_option( |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
187 |
'--wiki-data', |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
188 |
default='./wiki', |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
189 |
dest='wiki_data', |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
190 |
help='Place to put wiki data into (default ./wiki/)') |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
191 |
options, args = parser.parse_args() |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
192 |
print 'Writing wiki pages to %s' % options.wiki_data |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
193 |
app = WikiApp(options.wiki_data) |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
194 |
from wsgiref.simple_server import make_server |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
195 |
httpd = make_server('localhost', options.port, app) |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
196 |
print 'Serving on http://localhost:%s' % options.port |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
197 |
try: |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
198 |
httpd.serve_forever() |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
199 |
except KeyboardInterrupt: |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
|
200 |
print '^C' |