реализовал построитель команды по строке текста

scripts/CommandBuilders/CopyCommandBuilder.py

@@ -0,0 +1,23 @@
+from commands.CopyCommand import CopyCommand
+from parser.CopyParser.CopyLineParser import CopyLineParser
+
+
+class CopyCommandBuilder:
+	def __init__(self, pathProvider):
+		assert pathProvider is not None
+
+		self.__pathProvider = pathProvider
+
+	def isCopy(self, line):
+		assert line is not None
+
+		return line.startswith('copy')
+
+	def getCommandFor(self, line):
+		assert line is not None
+
+		parser = CopyLineParser()
+		cpArg = parser.parseLine(line)
+
+		command = CopyCommand(self.__pathProvider, cpArg)
+		return command

scripts/CommandBuilders/__init__.py

@@ -0,0 +1 @@
+__author__ = 'rzaitov'