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diff -up mc-4.8.24/src/vfs/extfs/helpers/uc1541.python3 mc-4.8.24/src/vfs/extfs/helpers/uc1541
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--- mc-4.8.24/src/vfs/extfs/helpers/uc1541.python3	2020-01-20 14:40:30.637996501 +0100
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+++ mc-4.8.24/src/vfs/extfs/helpers/uc1541	2020-01-20 14:37:55.253442507 +0100
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@@ -1,4 +1,4 @@
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-#!/usr/bin/env python
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+#!/usr/bin/env python3
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 """
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 UC1541 Virtual filesystem
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--- a/src/vfs/extfs/helpers/s3+.in	(original)
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+++ b/src/vfs/extfs/helpers/s3+.in	(refactored)
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@@ -153,16 +153,16 @@
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 	Propagates exception safely.
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 	"""
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 	from threading import Thread
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-	import Queue
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+	import queue
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 	items = list(iterable)
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 	nitems = len(items)
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 	if nitems < 2:
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-		return map(fun, items)
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+		return list(map(fun, items))
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 	# Create and fill input queue
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-	input = Queue.Queue()
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-	output = Queue.Queue()
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+	input = queue.Queue()
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+	output = queue.Queue()
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 	for i,item in enumerate(items):
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 		input.put( (i,item) )
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@@ -181,7 +181,7 @@
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 						output.put( (i,result) )
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 					except:
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 						output.put( (None,sys.exc_info()) )
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-				except Queue.Empty:
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+				except queue.Empty:
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 					return
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 	# Start threads
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@@ -196,8 +196,8 @@
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 		try:
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 			i,res = output.get()
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 			if i == None:
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-				raise res[0],res[1],res[2]
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-		except Queue.Empty:
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+				raise res[0](res[1]).with_traceback(res[2])
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+		except queue.Empty:
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 			break
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 		ret.append(res)
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@@ -241,7 +241,7 @@
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 		b = s3.get_bucket(name, validate=False)
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 		b.get_location() # just to raise an exception on error
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 		return b
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-	except boto.exception.S3ResponseError, e:
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+	except boto.exception.S3ResponseError as e:
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 		# Seems this is the only proper way to switch to the bucket's region.
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 		# Requesting of the default region for "?location" does not work unfortunately.
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 		m = re.search(r'<Region>(.*?)</Region>', e.body)
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@@ -340,7 +340,7 @@
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 	expr = re.compile(r'^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})\.\d{3}Z$')
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 	def convDate(awsdatetime):
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 		m = expr.match(awsdatetime)
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-		ye,mo,da,ho,mi,se = map(int,m.groups())
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+		ye,mo,da,ho,mi,se = list(map(int,m.groups()))
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 		dt = datetime.datetime(ye,mo,da,ho,mi,se, tzinfo=pytz.utc)
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 		return dt.astimezone(tz).strftime('%m-%d-%Y %H:%M')