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author | Tim Peters <tim.peters@gmail.com> | 2001-01-17 08:48:39 (GMT) |
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committer | Tim Peters <tim.peters@gmail.com> | 2001-01-17 08:48:39 (GMT) |
commit | 70c4378dbcfdcbeef6fb3aa348f32ed862fe8eb7 (patch) | |
tree | cf47b67db3753288cfd9fa2adc45e7c5cd2f8741 /Tools/scripts/redemo.py | |
parent | a88854059309667092000da55d4d5a5804267e9f (diff) | |
download | cpython-70c4378dbcfdcbeef6fb3aa348f32ed862fe8eb7.zip cpython-70c4378dbcfdcbeef6fb3aa348f32ed862fe8eb7.tar.gz cpython-70c4378dbcfdcbeef6fb3aa348f32ed862fe8eb7.tar.bz2 |
Whitespace normalization.
Diffstat (limited to 'Tools/scripts/redemo.py')
-rw-r--r-- | Tools/scripts/redemo.py | 306 |
1 files changed, 153 insertions, 153 deletions
diff --git a/Tools/scripts/redemo.py b/Tools/scripts/redemo.py index 535e756..1eed8f8 100644 --- a/Tools/scripts/redemo.py +++ b/Tools/scripts/redemo.py @@ -4,159 +4,159 @@ from Tkinter import * import re class ReDemo: - - def __init__(self, master): - self.master = master - - self.promptdisplay = Label(self.master, anchor=W, - text="Enter a Perl-style regular expression:") - self.promptdisplay.pack(side=TOP, fill=X) - - self.regexdisplay = Entry(self.master) - self.regexdisplay.pack(fill=X) - self.regexdisplay.focus_set() - - self.addoptions() - - self.statusdisplay = Label(self.master, text="", anchor=W) - self.statusdisplay.pack(side=TOP, fill=X) - - self.labeldisplay = Label(self.master, anchor=W, - text="Enter a string to search:") - self.labeldisplay.pack(fill=X) - self.labeldisplay.pack(fill=X) - - self.showframe = Frame(master) - self.showframe.pack(fill=X, anchor=W) - - self.showvar = StringVar(master) - self.showvar.set("first") - - self.showfirstradio = Radiobutton(self.showframe, - text="Highlight first match", - variable=self.showvar, - value="first", - command=self.recompile) - self.showfirstradio.pack(side=LEFT) - - self.showallradio = Radiobutton(self.showframe, - text="Highlight all matches", - variable=self.showvar, - value="all", - command=self.recompile) - self.showallradio.pack(side=LEFT) - - self.stringdisplay = Text(self.master, width=60, height=4) - self.stringdisplay.pack(fill=BOTH, expand=1) - self.stringdisplay.tag_configure("hit", background="yellow") - - self.grouplabel = Label(self.master, text="Groups:", anchor=W) - self.grouplabel.pack(fill=X) - - self.grouplist = Listbox(self.master) - self.grouplist.pack(expand=1, fill=BOTH) - - self.regexdisplay.bind('<Key>', self.recompile) - self.stringdisplay.bind('<Key>', self.reevaluate) - - self.compiled = None - self.recompile() - - btags = self.regexdisplay.bindtags() - self.regexdisplay.bindtags(btags[1:] + btags[:1]) - - btags = self.stringdisplay.bindtags() - self.stringdisplay.bindtags(btags[1:] + btags[:1]) - - def addoptions(self): - self.frames = [] - self.boxes = [] - self.vars = [] - for name in ('IGNORECASE', - 'LOCALE', - 'MULTILINE', - 'DOTALL', - 'VERBOSE'): - if len(self.boxes) % 3 == 0: - frame = Frame(self.master) - frame.pack(fill=X) - self.frames.append(frame) - val = getattr(re, name) - var = IntVar() - box = Checkbutton(frame, - variable=var, text=name, - offvalue=0, onvalue=val, - command=self.recompile) - box.pack(side=LEFT) - self.boxes.append(box) - self.vars.append(var) - - def getflags(self): - flags = 0 - for var in self.vars: - flags = flags | var.get() - flags = flags - return flags - - def recompile(self, event=None): - try: - self.compiled = re.compile(self.regexdisplay.get(), - self.getflags()) - bg = self.promptdisplay['background'] - self.statusdisplay.config(text="", background=bg) - except re.error, msg: - self.compiled = None - self.statusdisplay.config( - text="re.error: %s" % str(msg), - background="red") - self.reevaluate() - - def reevaluate(self, event=None): - try: - self.stringdisplay.tag_remove("hit", "1.0", END) - except TclError: - pass - try: - self.stringdisplay.tag_remove("hit0", "1.0", END) - except TclError: - pass - self.grouplist.delete(0, END) - if not self.compiled: - return - self.stringdisplay.tag_configure("hit", background="yellow") - self.stringdisplay.tag_configure("hit0", background="orange") - text = self.stringdisplay.get("1.0", END) - last = 0 - nmatches = 0 - while last <= len(text): - m = self.compiled.search(text, last) - if m is None: - break - first, last = m.span() - if last == first: - last = first+1 - tag = "hit0" - else: - tag = "hit" - pfirst = "1.0 + %d chars" % first - plast = "1.0 + %d chars" % last - self.stringdisplay.tag_add(tag, pfirst, plast) - if nmatches == 0: - self.stringdisplay.yview_pickplace(pfirst) - groups = list(m.groups()) - groups.insert(0, m.group()) - for i in range(len(groups)): - g = "%2d: %s" % (i, `groups[i]`) - self.grouplist.insert(END, g) - nmatches = nmatches + 1 - if self.showvar.get() == "first": - break - - if nmatches == 0: - self.statusdisplay.config(text="(no match)", - background="yellow") - else: - self.statusdisplay.config(text="") + + def __init__(self, master): + self.master = master + + self.promptdisplay = Label(self.master, anchor=W, + text="Enter a Perl-style regular expression:") + self.promptdisplay.pack(side=TOP, fill=X) + + self.regexdisplay = Entry(self.master) + self.regexdisplay.pack(fill=X) + self.regexdisplay.focus_set() + + self.addoptions() + + self.statusdisplay = Label(self.master, text="", anchor=W) + self.statusdisplay.pack(side=TOP, fill=X) + + self.labeldisplay = Label(self.master, anchor=W, + text="Enter a string to search:") + self.labeldisplay.pack(fill=X) + self.labeldisplay.pack(fill=X) + + self.showframe = Frame(master) + self.showframe.pack(fill=X, anchor=W) + + self.showvar = StringVar(master) + self.showvar.set("first") + + self.showfirstradio = Radiobutton(self.showframe, + text="Highlight first match", + variable=self.showvar, + value="first", + command=self.recompile) + self.showfirstradio.pack(side=LEFT) + + self.showallradio = Radiobutton(self.showframe, + text="Highlight all matches", + variable=self.showvar, + value="all", + command=self.recompile) + self.showallradio.pack(side=LEFT) + + self.stringdisplay = Text(self.master, width=60, height=4) + self.stringdisplay.pack(fill=BOTH, expand=1) + self.stringdisplay.tag_configure("hit", background="yellow") + + self.grouplabel = Label(self.master, text="Groups:", anchor=W) + self.grouplabel.pack(fill=X) + + self.grouplist = Listbox(self.master) + self.grouplist.pack(expand=1, fill=BOTH) + + self.regexdisplay.bind('<Key>', self.recompile) + self.stringdisplay.bind('<Key>', self.reevaluate) + + self.compiled = None + self.recompile() + + btags = self.regexdisplay.bindtags() + self.regexdisplay.bindtags(btags[1:] + btags[:1]) + + btags = self.stringdisplay.bindtags() + self.stringdisplay.bindtags(btags[1:] + btags[:1]) + + def addoptions(self): + self.frames = [] + self.boxes = [] + self.vars = [] + for name in ('IGNORECASE', + 'LOCALE', + 'MULTILINE', + 'DOTALL', + 'VERBOSE'): + if len(self.boxes) % 3 == 0: + frame = Frame(self.master) + frame.pack(fill=X) + self.frames.append(frame) + val = getattr(re, name) + var = IntVar() + box = Checkbutton(frame, + variable=var, text=name, + offvalue=0, onvalue=val, + command=self.recompile) + box.pack(side=LEFT) + self.boxes.append(box) + self.vars.append(var) + + def getflags(self): + flags = 0 + for var in self.vars: + flags = flags | var.get() + flags = flags + return flags + + def recompile(self, event=None): + try: + self.compiled = re.compile(self.regexdisplay.get(), + self.getflags()) + bg = self.promptdisplay['background'] + self.statusdisplay.config(text="", background=bg) + except re.error, msg: + self.compiled = None + self.statusdisplay.config( + text="re.error: %s" % str(msg), + background="red") + self.reevaluate() + + def reevaluate(self, event=None): + try: + self.stringdisplay.tag_remove("hit", "1.0", END) + except TclError: + pass + try: + self.stringdisplay.tag_remove("hit0", "1.0", END) + except TclError: + pass + self.grouplist.delete(0, END) + if not self.compiled: + return + self.stringdisplay.tag_configure("hit", background="yellow") + self.stringdisplay.tag_configure("hit0", background="orange") + text = self.stringdisplay.get("1.0", END) + last = 0 + nmatches = 0 + while last <= len(text): + m = self.compiled.search(text, last) + if m is None: + break + first, last = m.span() + if last == first: + last = first+1 + tag = "hit0" + else: + tag = "hit" + pfirst = "1.0 + %d chars" % first + plast = "1.0 + %d chars" % last + self.stringdisplay.tag_add(tag, pfirst, plast) + if nmatches == 0: + self.stringdisplay.yview_pickplace(pfirst) + groups = list(m.groups()) + groups.insert(0, m.group()) + for i in range(len(groups)): + g = "%2d: %s" % (i, `groups[i]`) + self.grouplist.insert(END, g) + nmatches = nmatches + 1 + if self.showvar.get() == "first": + break + + if nmatches == 0: + self.statusdisplay.config(text="(no match)", + background="yellow") + else: + self.statusdisplay.config(text="") # Main function, run when invoked as a stand-alone Python program. |