Use Lepl on appengine?
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Michal Hantl
Feb 5, 2012, 10:01:06 AM2/5/12
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Hello,
I am trying to use Lepl on my machine in such way that I can then deploy it to AppEngine.
I am new to Python so maybe there is easy solution for this.
So far I tried copying lepl from "/usr/local/lib/python2.7/dist-packages/LEPL-5.0.1-py2.7.egg/lepl" to my app/lepl and then running the JSON parser.
The file is located at app/something.py and lepl dir is at app/lepl
from lepl import *
from lepl.support.lib import str
def Simple():
'''
A simple JSON parser.
'''
escapes = {'\\b': '\b', '\\f': '\f', '\\n': '\n', '\\t': '\t', '\\r': '\r'}
def unescape_string(text):
return escapes[text]
def unescape_unicode(text):
# Python 3 only
return bytes(str(text), 'utf8').decode('unicode_escape')
value = Delayed()
unicode_escape = ("\\u" + Digit()[4, ...]) >> unescape_unicode
regular_escape = ("\\" + Any("bfntr")) >> unescape_string
escape = (unicode_escape | regular_escape)
string = (Drop('"') & (AnyBut('"\\') | escape)[...] & Drop('"'))
number = Real() >> float
comma = Drop(',')
with DroppedSpace():
array = Drop("[") & value[:, comma] & Drop("]") > list
pair = string & Drop(":") & value > tuple
object_ = Drop("{") & pair[:, comma] & Drop("}") > dict
value += ((Literal('true') >= (lambda x: True)) |
(Literal('false') >= (lambda x: False)) |
(Literal('null') >= (lambda x: None)) |
array | object_ | number | string)
return value
#parser = Simple()
#parser.parse("{a:'b', c:123")
The error is:
ImportError: No module named lepl.contrib.matchers
INFO 2012-02-05 14:58:55,106 dev_appserver.py:2832] "GET / HTTP/1.1" 500 -
ERROR 2012-02-05 14:58:55,220 wsgi.py:170]
Traceback (most recent call last):
File "/home/michal/dev/py/google/appengine/runtime/wsgi.py", line 168, in Handle
handler = _config_handle.add_wsgi_middleware(self._LoadHandler())
File "/home/michal/dev/py/google/appengine/runtime/wsgi.py", line 206, in _LoadHandler
handler = __import__(path[0])
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1818, in load_module
return self.FindAndLoadModule(submodule, fullname, search_path)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1690, in FindAndLoadModule
description)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1633, in LoadModuleRestricted
description)
File "/home/michal/dev/mychalpychal/helloworld.py", line 4, in <module>
from app.application import *
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1818, in load_module
return self.FindAndLoadModule(submodule, fullname, search_path)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1690, in FindAndLoadModule
description)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1633, in LoadModuleRestricted
description)
File "/home/michal/dev/mychalpychal/app/application.py", line 5, in <module>
from translate import *
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1818, in load_module
return self.FindAndLoadModule(submodule, fullname, search_path)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1690, in FindAndLoadModule
description)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1633, in LoadModuleRestricted
description)
File "/home/michal/dev/mychalpychal/app/translate.py", line 87, in <module>
from lepl import *
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1818, in load_module
return self.FindAndLoadModule(submodule, fullname, search_path)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1690, in FindAndLoadModule
description)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 662, in Decorate
return func(self, *args, **kwargs)
File "/home/michal/dev/py/google/appengine/tools/dev_appserver_import_hook.py", line 1633, in LoadModuleRestricted
description)
File "/home/michal/dev/mychalpychal/app/lepl/__init__.py", line 113, in <module>
from lepl.contrib.matchers import SmartSeparator2
ImportError: No module named lepl.contrib.matchers
INFO 2012-02-05 14:58:55,226 dev_appserver.py:2832] "GET /favicon.ico HTTP/1.1" 500 -
I hope I can solve it myself, but if you have any tips I will be greateful.
andrew cooke
Feb 7, 2012, 4:34:36 PM2/7/12
to le...@googlegroups.com
i haven't used lepl on gae, but there's nothing special about lelp compared to
any other pythonpackage. if you follow the recommendations at
http://stackoverflow.com/a/4863970/181772 then it should work.
in other words, your error doesn't look like a lepl problem. it looks like a
google app engine / python problem.
cheers,
andrew
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