Fix anomalous backslashes in strings

pkolbus · pkolbus · commit 065a3a0b7bd2 · 2019-06-29T17:36:58.000-05:00
Python 3.8 emits a SyntaxWarning for a string with an anomalous
backslash, e.g.:

  &lt;unknown&gt;:127: SyntaxWarning: invalid escape sequence \s

Fix by adding the missing 'r' prefix.

Change-Id: If9ad77c1e1707fa2432c8fc31eeb5e6d2d7200a5
Signed-off-by: Peter Kolbus &lt;peter.kolbus@garmin.com&gt;
diff --git a/src/license_expression/__init__.py b/src/license_expression/__init__.py
@@ -128,7 +128,7 @@ class ExpressionParseError(ParseError, ExpressionError):
 # mapping of lowercase operator strings to an operator object
 OPERATORS = {'and': KW_AND, 'or': KW_OR, 'with': KW_WITH}
 
-_simple_tokenizer = re.compile('''
+_simple_tokenizer = re.compile(r'''
     (?P<symop>[^\s\(\)]+)
      |
     (?P<space>\s+)
diff --git a/src/license_expression/_pyahocorasick.py b/src/license_expression/_pyahocorasick.py
@@ -608,7 +608,7 @@ def overlap(self, other):
 
 
 # tokenize to separate text from parens
-_tokenizer = re.compile('''
+_tokenizer = re.compile(r'''
     (?P<text>[^\s\(\)]+)
      |
     (?P<space>\s+)

Original file line number	Diff line number	Diff line change
`@@ -128,7 +128,7 @@ class ExpressionParseError(ParseError, ExpressionError):`
`128`	`128`	`# mapping of lowercase operator strings to an operator object`
`129`	`129`	`OPERATORS = {'and': KW_AND, 'or': KW_OR, 'with': KW_WITH}`
`130`	`130`
`131`		`-_simple_tokenizer = re.compile('''`
	`131`	`+_simple_tokenizer = re.compile(r'''`
`132`	`132`	`(?P<symop>[^\s\(\)]+)`
`133`	`133`	`\|`
`134`	`134`	`(?P<space>\s+)`
Original file line number	Diff line number	Diff line change
`@@ -608,7 +608,7 @@ def overlap(self, other):`
`608`	`608`
`609`	`609`
`610`	`610`	`# tokenize to separate text from parens`
`611`		`-_tokenizer = re.compile('''`
	`611`	`+_tokenizer = re.compile(r'''`
`612`	`612`	`(?P<text>[^\s\(\)]+)`
`613`	`613`	`\|`
`614`	`614`	`(?P<space>\s+)`