Update version, history and fixes

Author: glut23

docs/history.rst

@@ -1,6 +1,16 @@
 History
 =======
 
+0.4.4 (27-03-2020)
+------------------
+
+* Allow parsing empty SBV captions, thanks to `@ishunyu <https://github.com/ishunyu>`_ (#26)
+* Fix invalid time cues, thanks to `@sontek <https://github.com/sontek>`_ (#19)
+* Enable pytest as test runner, thanks to `@sontek <https://github.com/sontek>`_ (#20)
+* Packaging improvements
+* Added Python 3.8 support
+* Improve parsing empty lines
+
 0.4.3 (22-11-2019) Few improvements
 -----------------------------------
 

webvtt/__init__.py

@@ -1,4 +1,4 @@
-__version__ = '0.4.3'
+__version__ = '0.4.4'
 
 from .webvtt import *
 from .segmenter import *

webvtt/parsers.py

@@ -133,7 +133,7 @@ class SRTParser(TextBasedParser):
     SRT parser.
     """
 
-    TIMEFRAME_LINE_PATTERN = re.compile('\s*(\d+:\d{2}:\d{2},\d{3})\s*-->\s*(\d+:\d{2}:\d{2},\d{3})')
+    TIMEFRAME_LINE_PATTERN = re.compile(r'\s*(\d+:\d{2}:\d{2},\d{3})\s*-->\s*(\d+:\d{2}:\d{2},\d{3})')
 
     PARSER_OPTIONS = {
         'ignore_empty_captions': True
@@ -155,9 +155,9 @@ class WebVTTParser(TextBasedParser):
     WebVTT parser.
     """
 
-    TIMEFRAME_LINE_PATTERN = re.compile('\s*((?:\d+:)?\d{2}:\d{2}.\d{3})\s*-->\s*((?:\d+:)?\d{2}:\d{2}.\d{3})')
-    COMMENT_PATTERN = re.compile('NOTE(?:\s.+|$)')
-    STYLE_PATTERN = re.compile('STYLE[ \t]*$')
+    TIMEFRAME_LINE_PATTERN = re.compile(r'\s*((?:\d+:)?\d{2}:\d{2}.\d{3})\s*-->\s*((?:\d+:)?\d{2}:\d{2}.\d{3})')
+    COMMENT_PATTERN = re.compile(r'NOTE(?:\s.+|$)')
+    STYLE_PATTERN = re.compile(r'STYLE[ \t]*$')
 
     def __init__(self):
         super().__init__()
@@ -279,7 +279,7 @@ class SBVParser(TextBasedParser):
     YouTube SBV parser.
     """
 
-    TIMEFRAME_LINE_PATTERN = re.compile('\s*(\d+:\d{2}:\d{2}.\d{3}),(\d+:\d{2}:\d{2}.\d{3})')
+    TIMEFRAME_LINE_PATTERN = re.compile(r'\s*(\d+:\d{2}:\d{2}.\d{3}),(\d+:\d{2}:\d{2}.\d{3})')
 
     PARSER_OPTIONS = {
         'ignore_empty_captions': True