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https://github.com/python/cpython.git
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383 lines
14 KiB
Python
Executable file
383 lines
14 KiB
Python
Executable file
#! /usr/bin/env python
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#
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# Modulator - Generate skeleton modules.
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#
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# The user fills out some forms with information about what the module
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# should support (methods, objects), names of these things, prefixes to
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# use for C code, whether the objects should also support access as numbers,
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# etc etc etc.
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# When the user presses 'Generate code' we generate a complete skeleton
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# module in C.
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#
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# Alternatively, the selections made can be save to a python sourcefile and
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# this sourcefile can be passed on the command line (resulting in the same
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# skeleton C code).
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#
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# Jack Jansen, CWI, October 1994.
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#
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import sys, os
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if os.name <> 'mac':
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sys.path.append(os.path.join(os.environ['HOME'],
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'src/python/Tools/modulator'))
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from Tkinter import *
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from Tkextra import *
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from ScrolledListbox import ScrolledListbox
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import sys
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import genmodule
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import string
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oops = 'oops'
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IDENTSTARTCHARS = string.letters + '_'
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IDENTCHARS = string.letters + string.digits + '_'
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# Check that string is a legal C identifier
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def checkid(str):
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if not str: return 0
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if not str[0] in IDENTSTARTCHARS:
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return 0
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for c in str[1:]:
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if not c in IDENTCHARS:
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return 0
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return 1
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def getlistlist(list):
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rv = []
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n = list.size()
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for i in range(n):
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rv.append(list.get(i))
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return rv
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class UI:
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def __init__(self):
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self.main = Frame()
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self.main.pack()
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self.main.master.title('Modulator: Module view')
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self.cmdframe = Frame(self.main, {'relief':'raised', 'bd':'0.5m',
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Pack:{'side':'top',
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'fill':'x'}})
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self.objframe = Frame(self.main, {Pack:{'side':'top', 'fill':'x',
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'expand':1}})
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self.check_button = Button(self.cmdframe,
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{'text':'Check', 'command':self.cb_check,
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Pack:{'side':'left', 'padx':'0.5m'}})
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self.save_button = Button(self.cmdframe,
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{'text':'Save...', 'command':self.cb_save,
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Pack:{'side':'left', 'padx':'0.5m'}})
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self.code_button = Button(self.cmdframe,
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{'text':'Generate code...',
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'command':self.cb_gencode,
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Pack:{'side':'left', 'padx':'0.5m'}})
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self.quit_button = Button(self.cmdframe,
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{'text':'Quit',
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'command':self.cb_quit,
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Pack:{'side':'right', 'padx':'0.5m'}})
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self.module = UI_module(self)
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self.objects = []
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self.modified = 0
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def run(self):
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self.main.mainloop()
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def cb_quit(self, *args):
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if self.modified:
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if not askyn('You have not saved\nAre you sure you want to quit?'):
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return
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sys.exit(0)
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def cb_check(self, *args):
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try:
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self.module.synchronize()
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for o in self.objects:
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o.synchronize()
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except oops:
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pass
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def cb_save(self, *args):
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try:
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pycode = self.module.gencode('m', self.objects)
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except oops:
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return
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fn = askfile('Python file name: ')
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if not fn:
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return
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fp = open(fn, 'w')
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fp.write(pycode)
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fp.close()
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def cb_gencode(self, *args):
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try:
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pycode = self.module.gencode('m', self.objects)
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except oops:
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pass
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fn = askfile('C file name: ')
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if not fn:
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return
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fp = open(fn, 'w')
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try:
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exec pycode
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except:
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message('An error occurred:-)')
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return
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genmodule.write(fp, m)
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fp.close()
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class UI_module:
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def __init__(self, parent):
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self.parent = parent
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self.frame = Frame(parent.objframe, {'relief':'raised', 'bd':'0.2m',
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Pack:{'side':'top',
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'fill':'x'}})
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self.f1 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
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'fill':'x'}})
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self.f2 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
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'fill':'x'}})
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self.f3 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
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'fill':'x'}})
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self.f4 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
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'fill':'x'}})
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self.l1 = Label(self.f1, {'text':'Module:', Pack:{'side':'left',
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'padx':'0.5m'}})
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self.name_entry = Entry(self.f1, {'relief':'sunken',
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Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
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self.l2 = Label(self.f1, {'text':'Abbrev:', Pack:{'side':'left',
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'padx':'0.5m'}})
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self.abbrev_entry = Entry(self.f1, {'relief':'sunken', 'width':5,
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Pack:{'side':'left', 'padx':'0.5m'}})
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self.l3 = Label(self.f2, {'text':'Methods:', Pack:{'side':'left',
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'padx':'0.5m'}})
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self.method_list = ScrolledListbox(self.f2, {'relief':'sunken','bd':2,
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Pack:{'side':'left', 'expand':1,
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'padx':'0.5m', 'fill':'both'}})
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self.l4 = Label(self.f3, {'text':'Add method:', Pack:{'side':'left',
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'padx':'0.5m'}})
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self.method_entry = Entry(self.f3, {'relief':'sunken',
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Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
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self.method_entry.bind('<Return>', self.cb_method)
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self.delete_button = Button(self.f3, {'text':'Delete method',
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'command':self.cb_delmethod,
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Pack:{'side':'left',
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'padx':'0.5m'}})
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self.newobj_button = Button(self.f4, {'text':'new object',
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'command':self.cb_newobj,
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Pack:{'side':'left',
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'padx':'0.5m'}})
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def cb_delmethod(self, *args):
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list = self.method_list.curselection()
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for i in list:
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self.method_list.delete(i)
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def cb_newobj(self, *arg):
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self.parent.objects.append(UI_object(self.parent))
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def cb_method(self, *arg):
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name = self.method_entry.get()
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if not name:
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return
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self.method_entry.delete('0', 'end')
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self.method_list.insert('end', name)
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def synchronize(self):
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n = self.name_entry.get()
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if not n:
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message('Module name not set')
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raise oops
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if not checkid(n):
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message('Module name not an identifier:\n'+n)
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raise oops
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if not self.abbrev_entry.get():
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self.abbrev_entry.insert('end', n)
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m = getlistlist(self.method_list)
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for n in m:
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if not checkid(n):
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message('Method name not an identifier:\n'+n)
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raise oops
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def gencode(self, name, objects):
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rv = ''
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self.synchronize()
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for o in objects:
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o.synchronize()
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onames = []
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for i in range(len(objects)):
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oname = 'o%d' % (i+1)
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rv = rv + objects[i].gencode(oname)
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onames.append(oname)
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rv = rv + '%s = genmodule.module()\n' % (name,)
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rv = rv + '%s.name = %r\n' % (name, self.name_entry.get())
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rv = rv + '%s.abbrev = %r\n' % (name, self.abbrev_entry.get())
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rv = rv + '%s.methodlist = %r\n' % (name, getlistlist(self.method_list))
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rv = rv + '%s.objects = [%s]\n' % (name, ','.join(onames))
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rv = rv + '\n'
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return rv
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object_number = 0
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class UI_object:
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def __init__(self, parent):
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global object_number
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object_number = object_number + 1
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self.num = object_number
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self.vpref = 'o%r_' % self.num
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self.frame = Toplevel(parent.objframe)
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# self.frame.pack()
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self.frame.title('Modulator: object view')
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# self.frame = Frame(parent.objframe, {'relief':'raised', 'bd':'0.2m',
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# Pack:{'side':'top',
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# 'fill':'x'}})
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self.f1 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
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'fill':'x'}})
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self.f2 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
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'fill':'x'}})
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self.f3 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
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'fill':'x'}})
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self.f4 = Frame(self.frame, {Pack:{'side':'top', 'pady':'0.5m',
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'fill':'x'}})
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self.l1 = Label(self.f1, {'text':'Object:', Pack:{'side':'left',
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'padx':'0.5m'}})
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self.name_entry = Entry(self.f1, {'relief':'sunken',
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Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
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self.l2 = Label(self.f1, {'text':'Abbrev:', Pack:{'side':'left',
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'padx':'0.5m'}})
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self.abbrev_entry = Entry(self.f1, {'relief':'sunken', 'width':5,
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Pack:{'side':'left', 'padx':'0.5m'}})
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self.l3 = Label(self.f2, {'text':'Methods:', Pack:{'side':'left',
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'padx':'0.5m'}})
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self.method_list = ScrolledListbox(self.f2, {'relief':'sunken','bd':2,
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Pack:{'side':'left', 'expand':1,
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'padx':'0.5m', 'fill':'both'}})
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self.l4 = Label(self.f3, {'text':'Add method:', Pack:{'side':'left',
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'padx':'0.5m'}})
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self.method_entry = Entry(self.f3, {'relief':'sunken',
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Pack:{'side':'left', 'padx':'0.5m', 'expand':1}})
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self.method_entry.bind('<Return>', self.cb_method)
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self.delete_button = Button(self.f3, {'text':'Delete method',
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'command':self.cb_delmethod,
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Pack:{'side':'left',
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'padx':'0.5m'}})
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self.l5 = Label(self.f4, {'text':'functions:',
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Pack:{'side':'left',
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'padx':'0.5m'}})
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self.f5 = Frame(self.f4, {Pack:{'side':'left', 'pady':'0.5m',
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'fill':'both'}})
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self.l6 = Label(self.f4, {'text':'Types:',
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Pack:{'side':'left', 'padx':'0.5m'}})
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self.f6 = Frame(self.f4, {Pack:{'side':'left', 'pady':'0.5m',
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'fill':'x'}})
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self.funcs = {}
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for i in genmodule.FUNCLIST:
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vname = self.vpref+i
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self.f5.setvar(vname, 0)
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b = Checkbutton(self.f5, {'variable':vname, 'text':i,
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Pack:{'side':'top', 'pady':'0.5m',
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'anchor':'w','expand':1}})
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self.funcs[i] = b
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self.f5.setvar(self.vpref+'new', 1)
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self.types = {}
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for i in genmodule.TYPELIST:
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vname = self.vpref + i
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self.f6.setvar(vname, 0)
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b = Checkbutton(self.f6, {'variable':vname, 'text':i,
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Pack:{'side':'top', 'pady':'0.5m',
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'anchor':'w'}})
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self.types[i] = b
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def cb_method(self, *arg):
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name = self.method_entry.get()
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if not name:
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return
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self.method_entry.delete('0', 'end')
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self.method_list.insert('end', name)
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def cb_delmethod(self, *args):
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list = self.method_list.curselection()
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for i in list:
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self.method_list.delete(i)
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def synchronize(self):
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n = self.name_entry.get()
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if not n:
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message('Object name not set')
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raise oops
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if not self.abbrev_entry.get():
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self.abbrev_entry.insert('end', n)
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n = self.abbrev_entry.get()
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if not checkid(n):
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message('Abbreviation not an identifier:\n'+n)
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raise oops
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m = getlistlist(self.method_list)
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for n in m:
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if not checkid(n):
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message('Method name not an identifier:\n'+n)
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raise oops
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if m:
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self.f5.setvar(self.vpref+'tp_getattr', 1)
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pass
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def gencode(self, name):
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rv = ''
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rv = rv + '%s = genmodule.object()\n' % (name,)
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rv = rv + '%s.name = %r\n' % (name, self.name_entry.get())
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rv = rv + '%s.abbrev = %r\n' % (name, self.abbrev_entry.get())
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rv = rv + '%s.methodlist = %r\n' % (name, getlistlist(self.method_list))
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fl = []
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for fn in genmodule.FUNCLIST:
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vname = self.vpref + fn
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if self.f5.getvar(vname) == '1':
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fl.append(fn)
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rv = rv + '%s.funclist = %r\n' % (name, fl)
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fl = []
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for fn in genmodule.TYPELIST:
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vname = self.vpref + fn
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if self.f5.getvar(vname) == '1':
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fl.append(fn)
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rv = rv + '%s.typelist = %r\n' % (name, fl)
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rv = rv + '\n'
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return rv
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def main():
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if len(sys.argv) < 2:
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ui = UI()
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ui.run()
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elif len(sys.argv) == 2:
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fp = open(sys.argv[1])
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pycode = fp.read()
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try:
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exec pycode
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except:
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sys.stderr.write('An error occurred:-)\n')
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sys.exit(1)
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##genmodule.write(sys.stdout, m)
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else:
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sys.stderr.write('Usage: modulator [file]\n')
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sys.exit(1)
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main()
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