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# Pfade ersetzen #

import sys,os,string


def replace(rdir):
	for entry in os.listdir(os.curdir):
		if os.path.isdir(entry):						# directory; recursive call #
			os.chdir(entry)
			replace(os.pardir+os.sep+rdir)
			os.chdir(os.pardir)
		if os.path.isfile(entry):						# file; process it... #
			ext = os.path.splitext(entry)[1]
			if ext == '.htm' or ext == '.html':         # ...if HTML source #
				nm = entry + ".bak"
				if len(sys.argv) > 1:
					if sys.argv[1] == "-b":
						try:
							os.rename(entry,nm)			# backup file #
						except WindowsError:			# backup file already exists #
							pass
						fin = open(nm,'r')
					else:
						fin = open(entry,'r')
				else:
					fin = open(entry,'r')
				lines = fin.readlines()					# read file #
				fin.close()
				fout = open(entry,'w')
				for line in lines:
					c = os.getcwd().split(os.sep)		# construct absolute path #
					#print(rdir,os.sep)
					n1 = string.count(rdir,os.sep)
					n2 = len(c) - n1 + 1
					cdir = os.sep
					for i in range(n2,len(c)):
						cdir = os.path.join(cdir,c[i])
					cdir = os.path.join(cdir,entry)		# --> add file name <-- #
					line = string.replace(line,"$LOOK_UP$",rdir)
					line = string.replace(line,"$LOOK_HERE$",cdir)
					fout.write(line)
				fout.close()




if __name__ == '__main__':
        print("Start...")
        replace("")
        print("OK.\n")

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string.foo(bar, baz)

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bar.foo(baz)

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class B(A):
    def __init__(self):
        super().__init__()