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author | Georg Brandl <georg@python.org> | 2010-12-30 22:11:50 (GMT) |
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committer | Georg Brandl <georg@python.org> | 2010-12-30 22:11:50 (GMT) |
commit | 856898b3958626d2400e59b53dc134283addc988 (patch) | |
tree | 2018f1418921ad20ef0fce86f9e28df09c3e5567 /Tools/scripts | |
parent | a3fe8e0b9face74e34b938dd657c4048d5f0dadf (diff) | |
download | cpython-856898b3958626d2400e59b53dc134283addc988.zip cpython-856898b3958626d2400e59b53dc134283addc988.tar.gz cpython-856898b3958626d2400e59b53dc134283addc988.tar.bz2 |
Harmonize docstrings. Move redemo from Tools/scripts to Tools/demo. Add a README file to Tools/demo.
Diffstat (limited to 'Tools/scripts')
-rw-r--r-- | Tools/scripts/README | 2 | ||||
-rw-r--r-- | Tools/scripts/redemo.py | 171 |
2 files changed, 0 insertions, 173 deletions
diff --git a/Tools/scripts/README b/Tools/scripts/README index 546ab21e..8c02529 100644 --- a/Tools/scripts/README +++ b/Tools/scripts/README @@ -2,8 +2,6 @@ This directory contains a collection of executable Python scripts that are useful while building, extending or managing Python. Some (e.g., dutree or lll) are also generally useful UNIX tools. -See also the Demo/scripts directory! - 2to3 Main script for running the 2to3 conversion tool analyze_dxp.py Analyzes the result of sys.getdxp() byext.py Print lines/words/chars stats of files by extension diff --git a/Tools/scripts/redemo.py b/Tools/scripts/redemo.py deleted file mode 100644 index 5286332..0000000 --- a/Tools/scripts/redemo.py +++ /dev/null @@ -1,171 +0,0 @@ -"""Basic regular expression demostration facility (Perl style syntax).""" - -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 as 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: %r" % (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. - -def main(): - root = Tk() - demo = ReDemo(root) - root.protocol('WM_DELETE_WINDOW', root.quit) - root.mainloop() - -if __name__ == '__main__': - main() |