tabnanny stuff

1 files changed, 295 insertions, 294 deletions

diff --git a/Tools/modulator/modulator.py b/Tools/modulator/modulator.py
index da3ce12..c5cc79f 100755
--- a/Tools/modulator/modulator.py
+++ b/Tools/modulator/modulator.py
@@ -18,7 +18,8 @@
 
 import sys, os
 if os.name <> 'mac':
-	sys.path.append(os.path.join(os.environ['HOME'], 'src/python/Tools/modulator'))
+    sys.path.append(os.path.join(os.environ['HOME'],
+                                 'src/python/Tools/modulator'))
 
 from Tkinter import *
 from Tkextra import *
@@ -33,347 +34,347 @@ oops = 'oops'
 def checkid(str):
     if not str: return 0
     if not str[0] in string.letters+'_':
-	return 0
+        return 0
     for c in str[1:]:
-	if not c in string.letters+string.digits+'_':
-	    return 0
+        if not c in string.letters+string.digits+'_':
+            return 0
     return 1
 
 def getlistlist(list):
     rv = []
     n = list.size()
     for i in range(n):
-	rv.append(list.get(i))
+        rv.append(list.get(i))
     return rv
     
 class UI:
     def __init__(self):
-	self.main = Frame()
-	self.main.pack()
-	self.main.master.title('Modulator: Module view')
-	self.cmdframe = Frame(self.main, {'relief':'raised', 'bd':'0.5m',
-					  Pack:{'side':'top',
-						 'fill':'x'}})
-	self.objframe = Frame(self.main, {Pack:{'side':'top', 'fill':'x',
-						'expand':1}})
-
-
-	self.check_button = Button(self.cmdframe,
-				  {'text':'Check', 'command':self.cb_check,
-				   Pack:{'side':'left', 'padx':'0.5m'}})
-	self.save_button = Button(self.cmdframe,
-				  {'text':'Save...', 'command':self.cb_save,
-				   Pack:{'side':'left', 'padx':'0.5m'}})
-	self.code_button = Button(self.cmdframe,
-				  {'text':'Generate code...',
-				   'command':self.cb_gencode,
-				   Pack:{'side':'left', 'padx':'0.5m'}})
-	self.quit_button = Button(self.cmdframe,
-				  {'text':'Quit',
-				   'command':self.cb_quit,
-				   Pack:{'side':'right', 'padx':'0.5m'}})
-
-	self.module = UI_module(self)
-	self.objects = []
-	self.modified = 0
+        self.main = Frame()
+        self.main.pack()
+        self.main.master.title('Modulator: Module view')
+        self.cmdframe = Frame(self.main, {'relief':'raised', 'bd':'0.5m',
+                                          Pack:{'side':'top',
+                                                 'fill':'x'}})
+        self.objframe = Frame(self.main, {Pack:{'side':'top', 'fill':'x',
+                                                'expand':1}})
+
+
+        self.check_button = Button(self.cmdframe,
+                                  {'text':'Check', 'command':self.cb_check,
+                                   Pack:{'side':'left', 'padx':'0.5m'}})
+        self.save_button = Button(self.cmdframe,
+                                  {'text':'Save...', 'command':self.cb_save,
+                                   Pack:{'side':'left', 'padx':'0.5m'}})
+        self.code_button = Button(self.cmdframe,
+                                  {'text':'Generate code...',
+                                   'command':self.cb_gencode,
+                                   Pack:{'side':'left', 'padx':'0.5m'}})
+        self.quit_button = Button(self.cmdframe,
+                                  {'text':'Quit',
+                                   'command':self.cb_quit,
+                                   Pack:{'side':'right', 'padx':'0.5m'}})
+
+        self.module = UI_module(self)
+        self.objects = []
+        self.modified = 0
 
     def run(self):
-	self.main.mainloop()
+        self.main.mainloop()
 
     def cb_quit(self, *args):
-	if self.modified:
-	    if not askyn('You have not saved\nAre you sure you want to quit?'):
-		return
-	sys.exit(0)
+        if self.modified:
+            if not askyn('You have not saved\nAre you sure you want to quit?'):
+                return
+        sys.exit(0)
 
     def cb_check(self, *args):
-	try:
-	    self.module.synchronize()
-	    for o in self.objects:
-		o.synchronize()
-	except oops:
-	    pass
-	
+        try:
+            self.module.synchronize()
+            for o in self.objects:
+                o.synchronize()
+        except oops:
+            pass
+        
     def cb_save(self, *args):
-	try:
-	    pycode = self.module.gencode('m', self.objects)
-	except oops:
-	    return
+        try:
+            pycode = self.module.gencode('m', self.objects)
+        except oops:
+            return
 
-	fn = askfile('Python file name: ')
-	if not fn:
-	    return
+        fn = askfile('Python file name: ')
+        if not fn:
+            return
 
-	fp = open(fn, 'w')
+        fp = open(fn, 'w')
 
-	fp.write(pycode)
-	fp.close()
+        fp.write(pycode)
+        fp.close()
 
     def cb_gencode(self, *args):
-	try:
-	    pycode = self.module.gencode('m', self.objects)
-	except oops:
-	    pass
+        try:
+            pycode = self.module.gencode('m', self.objects)
+        except oops:
+            pass
 
-	fn = askfile('C file name: ')
-	if not fn:
-	    return
+        fn = askfile('C file name: ')
+        if not fn:
+            return
 
-	fp = open(fn, 'w')
+        fp = open(fn, 'w')
 
-	try:
-	    exec pycode
-	except:
-	    message('An error occurred:-)')
-	    return
-	genmodule.write(fp, m)
-	fp.close()
+        try:
+            exec pycode
+        except:
+            message('An error occurred:-)')
+            return
+        genmodule.write(fp, m)
+        fp.close()
 
 class UI_module:
     def __init__(self, parent):
-	self.parent = parent
-	self.frame = Frame(parent.objframe, {'relief':'raised', 'bd':'0.2m',
-					     Pack:{'side':'top',
-						   'fill':'x'}})
-	self.f1 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
-					   'fill':'x'}})
-	self.f2 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
-					   'fill':'x'}})
-	self.f3 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
-					   'fill':'x'}})
-	self.f4 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
-					   'fill':'x'}})
-
-	self.l1 = Label(self.f1, {'text':'Module:', Pack:{'side':'left',
-							'padx':'0.5m'}})
-	self.name_entry = Entry(self.f1, {'relief':'sunken',
-			      Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
-	self.l2 = Label(self.f1, {'text':'Abbrev:', Pack:{'side':'left',
-							'padx':'0.5m'}})
-	self.abbrev_entry = Entry(self.f1, {'relief':'sunken', 'width':5,
-			      Pack:{'side':'left', 'padx':'0.5m'}})
-
-	self.l3 = Label(self.f2, {'text':'Methods:', Pack:{'side':'left',
-							'padx':'0.5m'}})
-	self.method_list = ScrolledListbox(self.f2, {'relief':'sunken','bd':2,
-				      Pack:{'side':'left', 'expand':1,
-					    'padx':'0.5m', 'fill':'both'}})
-
-	self.l4 = Label(self.f3, {'text':'Add method:', Pack:{'side':'left',
-							      'padx':'0.5m'}})
-	self.method_entry = Entry(self.f3, {'relief':'sunken',
-			     Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
-	self.method_entry.bind('<Return>', self.cb_method)
-	self.delete_button = Button(self.f3, {'text':'Delete method',
-					      'command':self.cb_delmethod,
-					      Pack:{'side':'left',
-						    'padx':'0.5m'}})
-
-	self.newobj_button = Button(self.f4, {'text':'new object',
-					      'command':self.cb_newobj,
-					      Pack:{'side':'left',
-						    'padx':'0.5m'}})
-	
+        self.parent = parent
+        self.frame = Frame(parent.objframe, {'relief':'raised', 'bd':'0.2m',
+                                             Pack:{'side':'top',
+                                                   'fill':'x'}})
+        self.f1 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
+                                           'fill':'x'}})
+        self.f2 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
+                                           'fill':'x'}})
+        self.f3 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
+                                           'fill':'x'}})
+        self.f4 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
+                                           'fill':'x'}})
+
+        self.l1 = Label(self.f1, {'text':'Module:', Pack:{'side':'left',
+                                                        'padx':'0.5m'}})
+        self.name_entry = Entry(self.f1, {'relief':'sunken',
+                              Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
+        self.l2 = Label(self.f1, {'text':'Abbrev:', Pack:{'side':'left',
+                                                        'padx':'0.5m'}})
+        self.abbrev_entry = Entry(self.f1, {'relief':'sunken', 'width':5,
+                              Pack:{'side':'left', 'padx':'0.5m'}})
+
+        self.l3 = Label(self.f2, {'text':'Methods:', Pack:{'side':'left',
+                                                        'padx':'0.5m'}})
+        self.method_list = ScrolledListbox(self.f2, {'relief':'sunken','bd':2,
+                                      Pack:{'side':'left', 'expand':1,
+                                            'padx':'0.5m', 'fill':'both'}})
+
+        self.l4 = Label(self.f3, {'text':'Add method:', Pack:{'side':'left',
+                                                              'padx':'0.5m'}})
+        self.method_entry = Entry(self.f3, {'relief':'sunken',
+                             Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
+        self.method_entry.bind('<Return>', self.cb_method)
+        self.delete_button = Button(self.f3, {'text':'Delete method',
+                                              'command':self.cb_delmethod,
+                                              Pack:{'side':'left',
+                                                    'padx':'0.5m'}})
+
+        self.newobj_button = Button(self.f4, {'text':'new object',
+                                              'command':self.cb_newobj,
+                                              Pack:{'side':'left',
+                                                    'padx':'0.5m'}})
+        
     def cb_delmethod(self, *args):
-	list = self.method_list.curselection()
-	for i in list:
-	    self.method_list.delete(i)
-	
+        list = self.method_list.curselection()
+        for i in list:
+            self.method_list.delete(i)
+        
     def cb_newobj(self, *arg):
-	self.parent.objects.append(UI_object(self.parent))
+        self.parent.objects.append(UI_object(self.parent))
 
     def cb_method(self, *arg):
-	name = self.method_entry.get()
-	if not name:
-	    return
-	self.method_entry.delete('0', 'end')
-	self.method_list.insert('end', name)
+        name = self.method_entry.get()
+        if not name:
+            return
+        self.method_entry.delete('0', 'end')
+        self.method_list.insert('end', name)
 
     def synchronize(self):
-	n = self.name_entry.get()
-	if not n:
-	    message('Module name not set')
-	    raise oops
-	if not checkid(n):
-	    message('Module name not an identifier:\n'+n)
-	    raise oops
-	if not self.abbrev_entry.get():
-	    self.abbrev_entry.insert('end', n)
-	m = getlistlist(self.method_list)
-	for n in m:
-	    if not checkid(n):
-		message('Method name not an identifier:\n'+n)
-		raise oops
-	    
+        n = self.name_entry.get()
+        if not n:
+            message('Module name not set')
+            raise oops
+        if not checkid(n):
+            message('Module name not an identifier:\n'+n)
+            raise oops
+        if not self.abbrev_entry.get():
+            self.abbrev_entry.insert('end', n)
+        m = getlistlist(self.method_list)
+        for n in m:
+            if not checkid(n):
+                message('Method name not an identifier:\n'+n)
+                raise oops
+            
     def gencode(self, name, objects):
-	rv = ''
-	self.synchronize()
-	for o in objects:
-	    o.synchronize()
-	onames = []
-	for i in range(len(objects)):
-	    oname = 'o'+`i+1`
-	    rv = rv + objects[i].gencode(oname)
-	    onames.append(oname)
-	rv = rv + (name+' = genmodule.module()\n')
-	rv = rv + (name+'.name = '+`self.name_entry.get()`+'\n')
-	rv = rv + (name+'.abbrev = '+`self.abbrev_entry.get()`+'\n')
-	rv = rv + (name+'.methodlist = '+`getlistlist(self.method_list)`+'\n')
-	rv = rv + (name+'.objects = ['+string.joinfields(onames, ',')+']\n')
-	rv = rv + ('\n')
-	return rv
-	
+        rv = ''
+        self.synchronize()
+        for o in objects:
+            o.synchronize()
+        onames = []
+        for i in range(len(objects)):
+            oname = 'o'+`i+1`
+            rv = rv + objects[i].gencode(oname)
+            onames.append(oname)
+        rv = rv + (name+' = genmodule.module()\n')
+        rv = rv + (name+'.name = '+`self.name_entry.get()`+'\n')
+        rv = rv + (name+'.abbrev = '+`self.abbrev_entry.get()`+'\n')
+        rv = rv + (name+'.methodlist = '+`getlistlist(self.method_list)`+'\n')
+        rv = rv + (name+'.objects = ['+string.joinfields(onames, ',')+']\n')
+        rv = rv + ('\n')
+        return rv
+        
 object_number = 0
 
 class UI_object:
     def __init__(self, parent):
-	global object_number
-
-	object_number = object_number + 1
-	self.num = object_number
-	self.vpref = 'o'+`self.num`+'_'
-	self.frame = Toplevel(parent.objframe)
-#	self.frame.pack()
-	self.frame.title('Modulator: object view')
-#	self.frame = Frame(parent.objframe, {'relief':'raised', 'bd':'0.2m',
-#					     Pack:{'side':'top',
-#						   'fill':'x'}})
-	self.f1 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
-					   'fill':'x'}})
-	self.f2 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
-					   'fill':'x'}})
-	self.f3 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
-					   'fill':'x'}})
-	self.f4 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
-					   'fill':'x'}})
-	
-
-	self.l1 = Label(self.f1, {'text':'Object:', Pack:{'side':'left',
-							'padx':'0.5m'}})
-	self.name_entry = Entry(self.f1, {'relief':'sunken',
-			      Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
-	self.l2 = Label(self.f1, {'text':'Abbrev:', Pack:{'side':'left',
-							'padx':'0.5m'}})
-	self.abbrev_entry = Entry(self.f1, {'relief':'sunken', 'width':5,
-			      Pack:{'side':'left', 'padx':'0.5m'}})
-
-	self.l3 = Label(self.f2, {'text':'Methods:', Pack:{'side':'left',
-							'padx':'0.5m'}})
-	self.method_list = ScrolledListbox(self.f2, {'relief':'sunken','bd':2,
-				      Pack:{'side':'left', 'expand':1,
-					    'padx':'0.5m', 'fill':'both'}})
-
-	self.l4 = Label(self.f3, {'text':'Add method:', Pack:{'side':'left',
-							      'padx':'0.5m'}})
-	self.method_entry = Entry(self.f3, {'relief':'sunken',
-			     Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
-	self.method_entry.bind('<Return>', self.cb_method)
-	self.delete_button = Button(self.f3, {'text':'Delete method',
-					      'command':self.cb_delmethod,
-					      Pack:{'side':'left',
-						    'padx':'0.5m'}})
-
-
-	self.l5 = Label(self.f4, {'text':'functions:',
-				  Pack:{'side':'left',
-					'padx':'0.5m'}})
-	self.f5 = Frame(self.f4, {Pack:{'side':'left', 'pady':'0.5m',
-					   'fill':'both'}})
-	self.l6 = Label(self.f4, {'text':'Types:',
-				  Pack:{'side':'left', 'padx':'0.5m'}})
-	self.f6 = Frame(self.f4, {Pack:{'side':'left', 'pady':'0.5m',
-					   'fill':'x'}})
-	self.funcs = {}
-	for i in genmodule.FUNCLIST:
-	    vname = self.vpref+i
-	    self.f5.setvar(vname, 0)
-	    b = Checkbutton(self.f5, {'variable':vname, 'text':i,
-				      Pack:{'side':'top', 'pady':'0.5m',
-					    'anchor':'w','expand':1}})
-	    self.funcs[i] = b
-	self.f5.setvar(self.vpref+'new', 1)
-
-	self.types = {}
-	for i in genmodule.TYPELIST:
-	    vname = self.vpref + i
-	    self.f6.setvar(vname, 0)
-	    b = Checkbutton(self.f6, {'variable':vname, 'text':i,
-				      Pack:{'side':'top', 'pady':'0.5m',
-					    'anchor':'w'}})
-	    self.types[i] = b
-	
+        global object_number
+
+        object_number = object_number + 1
+        self.num = object_number
+        self.vpref = 'o'+`self.num`+'_'
+        self.frame = Toplevel(parent.objframe)
+#       self.frame.pack()
+        self.frame.title('Modulator: object view')
+#       self.frame = Frame(parent.objframe, {'relief':'raised', 'bd':'0.2m',
+#                                            Pack:{'side':'top',
+#                                                  'fill':'x'}})
+        self.f1 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
+                                           'fill':'x'}})
+        self.f2 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
+                                           'fill':'x'}})
+        self.f3 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
+                                           'fill':'x'}})
+        self.f4 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
+                                           'fill':'x'}})
+        
+
+        self.l1 = Label(self.f1, {'text':'Object:', Pack:{'side':'left',
+                                                        'padx':'0.5m'}})
+        self.name_entry = Entry(self.f1, {'relief':'sunken',
+                              Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
+        self.l2 = Label(self.f1, {'text':'Abbrev:', Pack:{'side':'left',
+                                                        'padx':'0.5m'}})
+        self.abbrev_entry = Entry(self.f1, {'relief':'sunken', 'width':5,
+                              Pack:{'side':'left', 'padx':'0.5m'}})
+
+        self.l3 = Label(self.f2, {'text':'Methods:', Pack:{'side':'left',
+                                                        'padx':'0.5m'}})
+        self.method_list = ScrolledListbox(self.f2, {'relief':'sunken','bd':2,
+                                      Pack:{'side':'left', 'expand':1,
+                                            'padx':'0.5m', 'fill':'both'}})
+
+        self.l4 = Label(self.f3, {'text':'Add method:', Pack:{'side':'left',
+                                                              'padx':'0.5m'}})
+        self.method_entry = Entry(self.f3, {'relief':'sunken',
+                             Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
+        self.method_entry.bind('<Return>', self.cb_method)
+        self.delete_button = Button(self.f3, {'text':'Delete method',
+                                              'command':self.cb_delmethod,
+                                              Pack:{'side':'left',
+                                                    'padx':'0.5m'}})
+
+
+        self.l5 = Label(self.f4, {'text':'functions:',
+                                  Pack:{'side':'left',
+                                        'padx':'0.5m'}})
+        self.f5 = Frame(self.f4, {Pack:{'side':'left', 'pady':'0.5m',
+                                           'fill':'both'}})
+        self.l6 = Label(self.f4, {'text':'Types:',
+                                  Pack:{'side':'left', 'padx':'0.5m'}})
+        self.f6 = Frame(self.f4, {Pack:{'side':'left', 'pady':'0.5m',
+                                           'fill':'x'}})
+        self.funcs = {}
+        for i in genmodule.FUNCLIST:
+            vname = self.vpref+i
+            self.f5.setvar(vname, 0)
+            b = Checkbutton(self.f5, {'variable':vname, 'text':i,
+                                      Pack:{'side':'top', 'pady':'0.5m',
+                                            'anchor':'w','expand':1}})
+            self.funcs[i] = b
+        self.f5.setvar(self.vpref+'new', 1)
+
+        self.types = {}
+        for i in genmodule.TYPELIST:
+            vname = self.vpref + i
+            self.f6.setvar(vname, 0)
+            b = Checkbutton(self.f6, {'variable':vname, 'text':i,
+                                      Pack:{'side':'top', 'pady':'0.5m',
+                                            'anchor':'w'}})
+            self.types[i] = b
+        
     def cb_method(self, *arg):
-	name = self.method_entry.get()
-	if not name:
-	    return
-	self.method_entry.delete('0', 'end')
-	self.method_list.insert('end', name)
+        name = self.method_entry.get()
+        if not name:
+            return
+        self.method_entry.delete('0', 'end')
+        self.method_list.insert('end', name)
 
     def cb_delmethod(self, *args):
-	list = self.method_list.curselection()
-	for i in list:
-	    self.method_list.delete(i)
-	
+        list = self.method_list.curselection()
+        for i in list:
+            self.method_list.delete(i)
+        
     def synchronize(self):
-	n = self.name_entry.get()
-	if not n:
-	    message('Object name not set')
-	    raise oops
-	if not self.abbrev_entry.get():
-	    self.abbrev_entry.insert('end', n)
-	n = self.abbrev_entry.get()
-	if not checkid(n):
-	    message('Abbreviation not an identifier:\n'+n)
-	    raise oops
-	m = getlistlist(self.method_list)
-	for n in m:
-	    if not checkid(n):
-		message('Method name not an identifier:\n'+n)
-		raise oops
-	if m:
-	    self.f5.setvar(self.vpref+'tp_getattr', 1)
-	pass
-	
+        n = self.name_entry.get()
+        if not n:
+            message('Object name not set')
+            raise oops
+        if not self.abbrev_entry.get():
+            self.abbrev_entry.insert('end', n)
+        n = self.abbrev_entry.get()
+        if not checkid(n):
+            message('Abbreviation not an identifier:\n'+n)
+            raise oops
+        m = getlistlist(self.method_list)
+        for n in m:
+            if not checkid(n):
+                message('Method name not an identifier:\n'+n)
+                raise oops
+        if m:
+            self.f5.setvar(self.vpref+'tp_getattr', 1)
+        pass
+        
     def gencode(self, name):
-	rv = ''
-	rv = rv + (name+' = genmodule.object()\n')
-	rv = rv + (name+'.name = '+`self.name_entry.get()`+'\n')
-	rv = rv + (name+'.abbrev = '+`self.abbrev_entry.get()`+'\n')
-	rv = rv + (name+'.methodlist = '+`getlistlist(self.method_list)`+'\n')
-	fl = []
-	for fn in genmodule.FUNCLIST:
-	    vname = self.vpref + fn
-	    if self.f5.getvar(vname) == '1':
-		fl.append(fn)
-	rv = rv + (name+'.funclist = '+`fl`+'\n')
-
-	fl = []
-	for fn in genmodule.TYPELIST:
-	    vname = self.vpref + fn
-	    if self.f5.getvar(vname) == '1':
-		fl.append(fn)
-		
-	rv = rv + (name+'.typelist = '+`fl`+'\n')
-
-	rv = rv + ('\n')
-	return rv
-	
+        rv = ''
+        rv = rv + (name+' = genmodule.object()\n')
+        rv = rv + (name+'.name = '+`self.name_entry.get()`+'\n')
+        rv = rv + (name+'.abbrev = '+`self.abbrev_entry.get()`+'\n')
+        rv = rv + (name+'.methodlist = '+`getlistlist(self.method_list)`+'\n')
+        fl = []
+        for fn in genmodule.FUNCLIST:
+            vname = self.vpref + fn
+            if self.f5.getvar(vname) == '1':
+                fl.append(fn)
+        rv = rv + (name+'.funclist = '+`fl`+'\n')
+
+        fl = []
+        for fn in genmodule.TYPELIST:
+            vname = self.vpref + fn
+            if self.f5.getvar(vname) == '1':
+                fl.append(fn)
+                
+        rv = rv + (name+'.typelist = '+`fl`+'\n')
+
+        rv = rv + ('\n')
+        return rv
+        
 
 def main():
     if len(sys.argv) < 2:
-	ui = UI()
-	ui.run()
+        ui = UI()
+        ui.run()
     elif len(sys.argv) == 2:
-	fp = open(sys.argv[1])
-	pycode = fp.read()
-	try:
-	    exec pycode
-	except:
-	    sys.stderr.write('An error occurred:-)\n')
-	    sys.exit(1)
-	genmodule.write(sys.stdout, m)
+        fp = open(sys.argv[1])
+        pycode = fp.read()
+        try:
+            exec pycode
+        except:
+            sys.stderr.write('An error occurred:-)\n')
+            sys.exit(1)
+        genmodule.write(sys.stdout, m)
     else:
-	sys.stderr.write('Usage: modulator [file]\n')
-	sys.exit(1)
-	
+        sys.stderr.write('Usage: modulator [file]\n')
+        sys.exit(1)
+        
 main()