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lfcli_base.py: improvements to error debugging

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This commit is contained in:
Jed Reynolds
2020-06-03 16:35:34 -07:00
parent 546fbc371f
commit 3ec51b00aa
1 changed files with 26 additions and 10 deletions
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36
py-json/LANforge/lfcli_base.py
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@@ -1,6 +1,7 @@
#!env /usr/bin/python #!env /usr/bin/python
# Extend this class to use common set of debug and request features for your script # Extend this class to use common set of debug and request features for your script
import pprint
from pprint import pprint from pprint import pprint
import LANforge.LFUtils import LANforge.LFUtils
from LANforge.LFUtils import * from LANforge.LFUtils import *
@@ -11,10 +12,11 @@ class LFCliBase:
# do not use `super(LFCLiBase,self).__init__(self, host, port, _debugOn) # do not use `super(LFCLiBase,self).__init__(self, host, port, _debugOn)
# that is py2 era syntax and will force self into the host variable, making you # that is py2 era syntax and will force self into the host variable, making you
# very confused. # very confused.
def __init__(self, _lfjson_host, _lfjson_port, _debug=False): def __init__(self, _lfjson_host, _lfjson_port, _debug=False, _halt_on_error=False):
self.lfjson_host = _lfjson_host self.lfjson_host = _lfjson_host
self.lfjson_port = _lfjson_port self.lfjson_port = _lfjson_port
self.debugOn = _debug self.debugOn = _debug
self.haltOnError = _halt_on_error
self.mgr_url = "http://%s:%s/" % (self.lfjson_host, self.lfjson_port) self.mgr_url = "http://%s:%s/" % (self.lfjson_host, self.lfjson_port)
def jsonPost(self, _req_url, _data): def jsonPost(self, _req_url, _data):
@@ -30,14 +32,14 @@ class LFCliBase:
LANforge.LFUtils.debug_printer.pprint(_data) LANforge.LFUtils.debug_printer.pprint(_data)
json_response = lf_r.jsonPost(self.debugOn) json_response = lf_r.jsonPost(self.debugOn)
except Exception as x: except Exception as x:
print(f"jsonPost posted to {_req_url}") if self.debugOn or self.haltOnError:
pprint(_data) print(f"jsonPost posted to {_req_url}")
print(x.__traceback__) pprint(_data)
print(f"Exception {x}:")
traceback.print_exception(Exception, x, x.__traceback__, chain=True)
if self.haltOnError:
exit(1)
# Debugging
# if (json_response != None):
# print("jsonReq: response: ")
# LFUtils.debug_printer.pprint(vars(json_response))
return json_response return json_response
def jsonGet(self, _req_url): def jsonGet(self, _req_url):
@@ -50,11 +52,25 @@ class LFCliBase:
if (json_response is None) and self.debugOn: if (json_response is None) and self.debugOn:
raise ValueError(json_response) raise ValueError(json_response)
except ValueError as ve: except ValueError as ve:
print("jsonGet asked for "+_req_url) if self.debugOn or self.haltOnError:
print(ve.__traceback__) print("jsonGet asked for "+_req_url)
print(f"Exception {ve}:")
traceback.print_exception(ValueError, ve, ve.__traceback__, chain=True)
if self.haltOnError:
sys.exit(1)
return json_response return json_response
def error(self, exception):
#print(f"lfcli_base error: {exception}")
pprint.pprint(exception)
traceback.print_exception(Exception, exception, exception.__traceback__, chain=True)
if self.haltOnError:
print("halting on error")
sys.exit(1)
#else:
# print("continuing...")
def checkConnect(self): def checkConnect(self):
print(f"Checking for LANforge GUI connection: {self.mgr_url}") print(f"Checking for LANforge GUI connection: {self.mgr_url}")
response = self.jsonGet("/") response = self.jsonGet("/")