Convert tabs to spaces

This is needed for making the linter happy, it's better to have this commit separate otherwise it's hard to review the next one

Author: ImanolBarba

gui.py

@@ -35,12 +35,12 @@
 DF_EXISTS      = 0x8000
 
 def zero_terminate(s):
-	"""Truncate a string at the first NUL ('\0') character, if any."""
-	
-	i = s.find(b'\0')
-	if i == -1:
-		return s
-	return s[:i]
+  """Truncate a string at the first NUL ('\0') character, if any."""
+  
+  i = s.find(b'\0')
+  if i == -1:
+    return s
+  return s[:i]
 
 # mode, ???, length, created,
 # fat_cluster, parent_entry, modified, attr,
@@ -54,84 +54,84 @@ def zero_terminate(s):
 # Use the new Struct object if available
 # 
 if hasattr(struct, "Struct"):
-	_dirent_struct = struct.Struct(_dirent_fmt)
-	_tod_struct = struct.Struct(_tod_fmt)
-
-	def unpack_tod(s):
-		return _tod_struct.unpack(s)
-	
-	def pack_tod(tod):
-		return _tod_struct.pack(tod)
-	
-	def unpack_dirent(s):
-		ent = _dirent_struct.unpack(s)
-		ent = list(ent)
-		ent[3] = _tod_struct.unpack(ent[3])
-		ent[6] = _tod_struct.unpack(ent[6])
-		ent[8] = zero_terminate(ent[8]).decode("ascii")
-		return ent
-
-	def pack_dirent(ent):
-		ent = list(ent)
-		ent[3] = _tod_struct.pack(*ent[3])
-		ent[6] = _tod_struct.pack(*ent[6])
-		ent[8] = ent[8].encode("ascii")
-		return _dirent_struct.pack(*ent)
+  _dirent_struct = struct.Struct(_dirent_fmt)
+  _tod_struct = struct.Struct(_tod_fmt)
+
+  def unpack_tod(s):
+    return _tod_struct.unpack(s)
+  
+  def pack_tod(tod):
+    return _tod_struct.pack(tod)
+  
+  def unpack_dirent(s):
+    ent = _dirent_struct.unpack(s)
+    ent = list(ent)
+    ent[3] = _tod_struct.unpack(ent[3])
+    ent[6] = _tod_struct.unpack(ent[6])
+    ent[8] = zero_terminate(ent[8]).decode("ascii")
+    return ent
+
+  def pack_dirent(ent):
+    ent = list(ent)
+    ent[3] = _tod_struct.pack(*ent[3])
+    ent[6] = _tod_struct.pack(*ent[6])
+    ent[8] = ent[8].encode("ascii")
+    return _dirent_struct.pack(*ent)
 else:
-	def unpack_tod(s):
-		return struct.unpack(_tod_fmt, s)
-
-	def pack_tod(tod):
-		return struct.pack(_tod_fmt, tod)
-	
-	def unpack_dirent(s):
-		# mode, ???, length, created,
-		# fat_cluster, parent_entry, modified, attr,
-		# name
-		ent = struct.unpack(_dirent_fmt, s)
-		ent = list(ent)
-		ent[3] = struct.unpack(_tod_fmt, ent[3])
-		ent[6] = struct.unpack(_tod_fmt, ent[6])
-		ent[8] = zero_terminate(ent[8])
-		return ent
-
-	def pack_dirent(ent):
-		ent = list(ent)
-		ent[3] = struct.pack(_tod_fmt, *ent[3])
-		ent[6] = struct.pack(_tod_fmt, *ent[6])
-		ent[8] = ent[8].encode("ascii")
-		return struct.pack(_dirent_fmt, *ent)
+  def unpack_tod(s):
+    return struct.unpack(_tod_fmt, s)
+
+  def pack_tod(tod):
+    return struct.pack(_tod_fmt, tod)
+  
+  def unpack_dirent(s):
+    # mode, ???, length, created,
+    # fat_cluster, parent_entry, modified, attr,
+    # name
+    ent = struct.unpack(_dirent_fmt, s)
+    ent = list(ent)
+    ent[3] = struct.unpack(_tod_fmt, ent[3])
+    ent[6] = struct.unpack(_tod_fmt, ent[6])
+    ent[8] = zero_terminate(ent[8])
+    return ent
+
+  def pack_dirent(ent):
+    ent = list(ent)
+    ent[3] = struct.pack(_tod_fmt, *ent[3])
+    ent[6] = struct.pack(_tod_fmt, *ent[6])
+    ent[8] = ent[8].encode("ascii")
+    return struct.pack(_dirent_fmt, *ent)
 
 def time_to_tod(when):
-	"""Convert a Python time value to a ToD tuple"""
-	
-	tm = time.gmtime(when + 9 * 3600)
-	return (tm.tm_sec, tm.tm_min, tm.tm_hour,
-		tm.tm_mday, tm.tm_mon, tm.tm_year)
+  """Convert a Python time value to a ToD tuple"""
+  
+  tm = time.gmtime(when + 9 * 3600)
+  return (tm.tm_sec, tm.tm_min, tm.tm_hour,
+    tm.tm_mday, tm.tm_mon, tm.tm_year)
 
 def tod_to_time(tod):
-	"""Convert a ToD tuple to a Python time value."""
-	
-	try:
-		month = tod[4]
-		if month == 0:
-			month = 1
-		return calendar.timegm((tod[5], month, tod[3],
-					tod[2], tod[1], tod[0],
-					None, None, 0)) - 9 * 3600
-	except ValueError:
-		return 0
-		
+  """Convert a ToD tuple to a Python time value."""
+  
+  try:
+    month = tod[4]
+    if month == 0:
+      month = 1
+    return calendar.timegm((tod[5], month, tod[3],
+          tod[2], tod[1], tod[0],
+          None, None, 0)) - 9 * 3600
+  except ValueError:
+    return 0
+    
 def tod_now():
-	"""Get the current time as a ToD tuple."""
-	return time_to_tod(time.time())
+  """Get the current time as a ToD tuple."""
+  return time_to_tod(time.time())
 
 def tod_from_file(filename):
-	return time_to_tod(os.stat(filename).st_mtime)
+  return time_to_tod(os.stat(filename).st_mtime)
 
 def mode_is_file(mode):
-	return (mode & (DF_FILE | DF_DIR | DF_EXISTS)) == (DF_FILE | DF_EXISTS)
+  return (mode & (DF_FILE | DF_DIR | DF_EXISTS)) == (DF_FILE | DF_EXISTS)
 
 def mode_is_dir(mode):
-	return (mode & (DF_FILE | DF_DIR | DF_EXISTS)) == (DF_DIR | DF_EXISTS)
+  return (mode & (DF_FILE | DF_DIR | DF_EXISTS)) == (DF_DIR | DF_EXISTS)