beremiz

fix problem when Beremiz is running without matiec installed

2017-08-25, Andrey Skvortsov
492e2cd6157e
fix problem when Beremiz is running without matiec installed

set matiec settings only once on first use of ProjectController class and give
user-friendly message on compilation about missing matiec
installation.


Traceback (most recent call last):
File "Beremiz.py", line 197, in
beremiz.Start()
File "Beremiz.py", line 192, in Start
self.CreateApplication()
File "Beremiz.py", line 130, in CreateApplication
self.BackgroundInitialization()
File "Beremiz.py", line 137, in BackgroundInitialization
self.ImportModules()
File "Beremiz.py", line 176, in ImportModules
import BeremizIDE
File
"BeremizIDE.py", line 76, in
from ProjectController import ProjectController, GetAddMenuItems,
MATIEC_ERROR_MODEL, ITEM_CONFNODE
File
"ProjectController.py", line 177, in
iec2c_cfg = Iec2CSettings()
File
"ProjectController.py", line 101, in __init__
self.ieclib_c_path = self.findLibCPath()
File
"ProjectController.py", line 135, in findLibCPath
os.path.join(self.ieclib_path, "C"),
File "/usr/lib/python2.7/posixpath.py", line 70, in join
elif path == '' or path.endswith('/'):
AttributeError: 'NoneType' object has no attribute 'endswith'
import gluon.contrib.simplejson as simplejson
import types
import sys
class JSONRPCServiceBase:
def __init__(self):
self.methods = {}
def response(self, id, result):
return simplejson.dumps({'version': '1.1', 'id': id,
'result': result, 'error': None})
def error(self, id, code, message):
return simplejson.dumps({
'id': id,
'version': '1.1',
'error': {'name': 'JSONRPCError',
'code': code,
'message': message}
})
def add_method(self, name, method):
self.methods[name] = method
def process(self, data):
data = simplejson.loads(data)
id, method, params = data["id"], data["method"], data["params"]
if method in self.methods:
try:
result = self.methods[method](*params)
return self.response(id, result)
except BaseException:
etype, eval, etb = sys.exc_info()
return self.error(id, 100, '%s: %s' % (etype.__name__, eval))
except Exception:
etype, eval, etb = sys.exc_info()
return self.error(id, 100, 'Exception %s: %s' % (etype, eval))
else:
return self.error(id, 100, 'method "%s" does not exist' % method)
def listmethods(self):
return self.methods.keys()