save(): set callback to None by default

BoboTiG · BoboTiG · commit a9230daecdc8 · 2016-10-08T12:43:05.000+02:00
diff --git a/docs/source/api.rst b/docs/source/api.rst
@@ -66,7 +66,7 @@ Methods
         It stocks pixels data into :attr:`image` (RGB) and returns it.
 
 
-    .. method:: save(mon=0, output='monitor-%d.png', callback=lambda *x: True) -> generator
+    .. method:: save(mon=0, output='monitor-%d.png', callback=None) -> generator
 
         :param int mon: the monitor's number.
         :param str output: the output's file name. ``%d``, if present, will be replaced by the monitor number.
diff --git a/docs/source/conf.py b/docs/source/conf.py
@@ -59,7 +59,7 @@
 # built documents.
 #
 # The short X.Y version.
-version = '2.0.7'
+version = '2.0.8'
 # The full version, including alpha/beta/rc tags.
 release = 'latest'
 
diff --git a/mss/__init__.py b/mss/__init__.py
@@ -15,7 +15,7 @@
 from .exception import ScreenshotError
 from .factory import mss
 
-__version__ = '2.0.7'
+__version__ = '2.0.8'
 __author__ = "Mickaël 'Tiger-222' Schoentgen"
 __copyright__ = '''
     Copyright (c) 2013-2016, Mickaël 'Tiger-222' Schoentgen
diff --git a/mss/base.py b/mss/base.py
@@ -71,7 +71,7 @@ def get_pixels(self, monitor):
 
         raise NotImplementedError('Subclasses need to implement this!')
 
-    def save(self, mon=0, output='monitor-%d.png', callback=lambda *x: True):
+    def save(self, mon=0, output='monitor-%d.png', callback=None):
         ''' Grab a screenshot and save it to a file.
 
             mon (integer, default: 0)
@@ -100,7 +100,8 @@ def save(self, mon=0, output='monitor-%d.png', callback=lambda *x: True):
                 fname = output
                 if '%d' in output:
                     fname = output.replace('%d', str(i))
-                callback(fname)
+                if callable(callback):
+                    callback(fname)
                 self.to_png(self.get_pixels(monitor), fname)
                 yield fname
         else:
@@ -115,7 +116,8 @@ def save(self, mon=0, output='monitor-%d.png', callback=lambda *x: True):
 
             if '%d' in output:
                 output = output.replace('%d', str(mon_number))
-            callback(output)
+            if callable(callback):
+                callback(output)
             self.to_png(self.get_pixels(monitor), output)
             yield output
 

Original file line number	Diff line number	Diff line change
`@@ -59,7 +59,7 @@`
`59`	`59`	`# built documents.`
`60`	`60`	`#`
`61`	`61`	`# The short X.Y version.`
`62`		`-version = '2.0.7'`
	`62`	`+version = '2.0.8'`
`63`	`63`	`# The full version, including alpha/beta/rc tags.`
`64`	`64`	`release = 'latest'`
`65`	`65`