Merge branch 'release/3.52.0'

Author: wolph

.travis.yml

@@ -7,6 +7,7 @@ python:
 - '3.5'
 - '3.6'
 - '3.7'
+- '3.8'
 - pypy
 install:
 - pip install -U .

progressbar/__about__.py

@@ -19,7 +19,7 @@
 long running operations.
 '''.strip().split())
 __email__ = 'wolph@wol.ph'
-__version__ = '3.51.4'
+__version__ = '3.52.0'
 __license__ = 'BSD'
 __copyright__ = 'Copyright 2015 Rick van Hattem (Wolph)'
 __url__ = 'https://github.com/WoLpH/python-progressbar'

progressbar/bar.py

@@ -328,6 +328,7 @@ def __init__(self, min_value=0, max_value=None, widgets=None,
         self.value = initial_value
         self._iterable = None
         self.custom_len = custom_len
+        self.initial_start_time = kwargs.get('start_time')
         self.init()
 
         # Convert a given timedelta to a floating point number as internal
@@ -758,7 +759,9 @@ def start(self, max_value=None, init=True):
         if self.max_value is not base.UnknownLength and self.max_value < 0:
             raise ValueError('max_value out of range, got %r' % self.max_value)
 
-        self.start_time = self.last_update_time = datetime.now()
+        now = datetime.now()
+        self.start_time = self.initial_start_time or now
+        self.last_update_time = now
         self._last_update_timer = timeit.default_timer()
         self.update(self.min_value, force=True)
 

setup.py

@@ -43,7 +43,7 @@ def run_tests(self):
 install_reqs = []
 tests_require = [
     'flake8>=3.7.7',
-    'pytest>=4.3.1',
+    'pytest>=4.6.9',
     'pytest-cov>=2.6.1',
     'pytest-flakes>=4.0.0',
     'pytest-pep8>=1.0.6',

tox.ini

@@ -39,7 +39,7 @@ commands =
     sphinx-build -W -b html -d docs/_build/doctrees docs docs/_build/html {posargs}
 
 [flake8]
-ignore = W391, W504
+ignore = W391, W504, E741
 exclude =
     docs,
     progressbar/six.py