initial release

torchlight_changes_unloze/torchlight3/Torchlight/Utils.py

@@ -0,0 +1,94 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+import math
+
+class DataHolder:
+	def __init__(self, value=None, attr_name='value'):
+		self._attr_name = attr_name
+		self.set(value)
+	def __call__(self, value):
+		return self.set(value)
+	def set(self, value):
+		setattr(self, self._attr_name, value)
+		return value
+	def get(self):
+		return getattr(self, self._attr_name)
+
+class Utils():
+	@staticmethod
+	def GetNum(Text):
+		Ret = ''
+		for c in Text:
+			if c.isdigit():
+				Ret += c
+			elif Ret:
+				break
+			elif c == '-':
+				Ret += c
+
+		return Ret
+
+	@staticmethod
+	def ParseTime(TimeStr):
+		Negative = False
+		Time = 0
+
+		while TimeStr:
+			Val = Utils.GetNum(TimeStr)
+			if not Val:
+				break
+
+			Val = int(Val)
+			if not Val:
+				break
+
+			if Val < 0:
+				TimeStr = TimeStr[1:]
+				if Time == 0:
+					Negative = True
+			Val = abs(Val)
+
+			ValLen = int(math.log10(Val)) + 1
+			if len(TimeStr) > ValLen:
+				Mult = TimeStr[ValLen].lower()
+				TimeStr = TimeStr[ValLen + 1:]
+				if Mult == 'h':
+					Val *= 3600
+				elif Mult == 'm':
+					Val *= 60
+			else:
+				TimeStr = None
+
+			Time += Val
+
+		if Negative:
+			return -Time
+		else:
+			return Time
+
+
+	@staticmethod
+	def HumanSize(size_bytes):
+		"""
+		format a size in bytes into a 'human' file size, e.g. bytes, KB, MB, GB, TB, PB
+		Note that bytes/KB will be reported in whole numbers but MB and above will have greater precision
+		e.g. 1 byte, 43 bytes, 443 KB, 4.3 MB, 4.43 GB, etc
+		"""
+		if size_bytes == 1:
+			# because I really hate unnecessary plurals
+			return "1 byte"
+
+		suffixes_table = [('bytes', 0),('KB', 0),('MB', 1),('GB', 2),('TB', 2), ('PB', 2)]
+
+		num = float(size_bytes)
+		for suffix, precision in suffixes_table:
+			if num < 1024.0:
+				break
+			num /= 1024.0
+
+		if precision == 0:
+			formatted_size = str(int(num))
+		else:
+			formatted_size = str(round(num, ndigits=precision))
+
+		return "{0}{1}".format(formatted_size, suffix)