import osimport fnmatchimport sysfrom Tkinter import *import SearchEnginefrom SearchDialogBase import SearchDialogBase def grep(text, io=None, flist=None):    root = text._root()    engine = SearchEngine.get(root)    if not hasattr(engine, "_grepdialog"):        engine._grepdialog = GrepDialog(root, engine, flist)    dialog = engine._grepdialog    searchphrase = text.get("sel.first", "sel.last")    dialog.open(text, searchphrase, io) class GrepDialog(SearchDialogBase):     title = "Find in Files Dialog"    icon = "Grep"    needwrapbutton = 0     def __init__(self, root, engine, flist):        SearchDialogBase.__init__(self, root, engine)        self.flist = flist        self.globvar = StringVar(root)        self.recvar = BooleanVar(root)     def open(self, text, searchphrase, io=None):        SearchDialogBase.open(self, text, searchphrase)        if io:            path = io.filename or ""        else:            path = ""        dir, base = os.path.split(path)        head, tail = os.path.splitext(base)        if not tail:            tail = ".py"        self.globvar.set(os.path.join(dir, "*" + tail))     def create_entries(self):        SearchDialogBase.create_entries(self)        self.globent = self.make_entry("In files:", self.globvar)     def create_other_buttons(self):        f = self.make_frame()         btn = Checkbutton(f, anchor="w",                variable=self.recvar,                text="Recurse down subdirectories")        btn.pack(side="top", fill="both")        btn.select()     def create_command_buttons(self):        SearchDialogBase.create_command_buttons(self)        self.make_button("Search Files", self.default_command, 1)     def default_command(self, event=None):        prog = self.engine.getprog()        if not prog:            return        path = self.globvar.get()        if not path:            self.top.bell()            return        from OutputWindow import OutputWindow        save = sys.stdout        try:            sys.stdout = OutputWindow(self.flist)            self.grep_it(prog, path)        finally:            sys.stdout = save     def grep_it(self, prog, path):        dir, base = os.path.split(path)        list = self.findfiles(dir, base, self.recvar.get())        list.sort()        self.close()        pat = self.engine.getpat()        print "Searching %r in %s ..." % (pat, path)        hits = 0        for fn in list:            try:                f = open(fn)            except IOError, msg:                print msg                continue            lineno = 0            while 1:                block = f.readlines(100000)                if not block:                    break                for line in block:                    lineno = lineno + 1                    if line[-1:] == '\n':                        line = line[:-1]                    if prog.search(line):                        sys.stdout.write("%s: %s: %s\n" % (fn, lineno, line))                        hits = hits + 1        if hits:            if hits == 1:                s = ""            else:                s = "s"            print "Found", hits, "hit%s." % s            print "(Hint: right-click to open locations.)"        else:            print "No hits."     def findfiles(self, dir, base, rec):        try:            names = os.listdir(dir or os.curdir)        except os.error, msg:            print msg            return []        list = []        subdirs = []        for name in names:            fn = os.path.join(dir, name)            if os.path.isdir(fn):                subdirs.append(fn)            else:                if fnmatch.fnmatch(name, base):                    list.append(fn)        if rec:            for subdir in subdirs:                list.extend(self.findfiles(subdir, base, rec))        return list     def close(self, event=None):        if self.top:            self.top.grab_release()            self.top.withdraw()