fix: serialization of \n, \r and \t to Line Protocol

Author: bednar

CHANGELOG.md

@@ -3,6 +3,9 @@
 ### Features
 1. [#112](https://github.com/influxdata/influxdb-client-python/pull/113): Support timestamp with different timezone in _convert_timestamp
 
+### Bug Fixes
+1. [#115](https://github.com/influxdata/influxdb-client-python/pull/115): Fixed serialization of `\n`, `\r` and `\t` to Line Protocol 
+
 ## 1.8.0 [2020-06-19]
 
 ### Features

influxdb_client/client/write/point.py

@@ -12,7 +12,7 @@
 
 EPOCH = UTC.localize(datetime.utcfromtimestamp(0))
 DEFAULT_WRITE_PRECISION = WritePrecision.NS
-_ESCAPE_KEY = str.maketrans({'\\': '\\\\', ',': r'\,', ' ': r'\ ', '=': r'\=', '\n': ''})
+_ESCAPE_KEY = str.maketrans({'\\': '\\\\', ',': r'\,', ' ': r'\ ', '=': r'\=', '\n': '\\n', '\t': '\\t', '\r': '\\r'})
 _ESCAPE_STRING = str.maketrans({'\"': r"\"", "\\": r"\\"})
 
 

tests/test_point.py

@@ -36,6 +36,16 @@ def test_TagEmptyValue(self):
 
         self.assertEqual("h2o,location=europe level=2i", point.to_line_protocol())
 
+    def test_TagEscapingKeyAndValue(self):
+
+        point = Point.measurement("h\n2\ro\t_data") \
+            .tag("new\nline", "new\nline") \
+            .tag("carriage\rreturn", "carriage\nreturn") \
+            .tag("t\tab", "t\tab") \
+            .field("level", 2)
+
+        self.assertEqual("h\\n2\\ro\\t_data,carriage\\rreturn=carriage\\nreturn,new\\nline=new\\nline,t\\tab=t\\tab level=2i", point.to_line_protocol())
+
     def test_OverrideTagField(self):
         point = Point.measurement("h2o") \
             .tag("location", "europe") \