modify linux_command exception-handling (#682)

Former-commit-id: 2340fef
kizniche · Aug 30, 2019 · 74211b3 · 74211b3
1 parent 92e49c8
commit 74211b3
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -36,6 +36,7 @@ This release changes how user-created Python code is executed. This affects Pyth
  - Refactor RPC by replacing RPyC with Pyro4 for improved system stability ([#671](https://github.com/kizniche/mycodo/issues/671), [#679](https://github.com/kizniche/mycodo/issues/679))
  - Increase Nginx file upload size
  - Reorganize menu layout
+ - Modify linux_command exception-handling ([#682](https://github.com/kizniche/mycodo/issues/682))
 
 
 ## 7.6.3 (2019-07-14)

diff --git a/mycodo/inputs/linux_command.py b/mycodo/inputs/linux_command.py
@@ -107,7 +107,7 @@ def get_measurement(self):
         if str_is_float(out):
             measurement_value = float(out)
         else:
-            self.logger.error(
+            self.logger.debug(
                 "The command returned a non-numerical value. "
                 "Ensure only one numerical value is returned "
                 "by the command. Value returned: '{}'".format(out))

diff --git a/mycodo/utils/system_pi.py b/mycodo/utils/system_pi.py
@@ -285,6 +285,8 @@ def internet(host="8.8.8.8", port=53, timeout=3):
 def str_is_float(text):
     """Returns true if the string represents a float value"""
     try:
+        if not text:
+            return False
         if text.isalpha():
             return False
         float(text)