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proc
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thread-self
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root
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proc
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self
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root
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opt
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alt
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python36
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lib64
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python3.6
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idlelib
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files >> //proc/thread-self/root/proc/self/root/opt/alt/python36/lib64/python3.6/idlelib/colorizer.py
import builtins import keyword import re import time from idlelib.config import idleConf from idlelib.delegator import Delegator DEBUG = False def any(name, alternates): "Return a named group pattern matching list of alternates." return "(?P<%s>" % name + "|".join(alternates) + ")" def make_pat(): kw = r"\b" + any("KEYWORD", keyword.kwlist + ['async', 'await']) + r"\b" builtinlist = [str(name) for name in dir(builtins) if not name.startswith('_') and \ name not in keyword.kwlist] builtin = r"([^.'\"\\#]\b|^)" + any("BUILTIN", builtinlist) + r"\b" comment = any("COMMENT", [r"#[^\n]*"]) stringprefix = r"(?i:r|u|f|fr|rf|b|br|rb)?" sqstring = stringprefix + r"'[^'\\\n]*(\\.[^'\\\n]*)*'?" dqstring = stringprefix + r'"[^"\\\n]*(\\.[^"\\\n]*)*"?' sq3string = stringprefix + r"'''[^'\\]*((\\.|'(?!''))[^'\\]*)*(''')?" dq3string = stringprefix + r'"""[^"\\]*((\\.|"(?!""))[^"\\]*)*(""")?' string = any("STRING", [sq3string, dq3string, sqstring, dqstring]) return kw + "|" + builtin + "|" + comment + "|" + string +\ "|" + any("SYNC", [r"\n"]) prog = re.compile(make_pat(), re.S) idprog = re.compile(r"\s+(\w+)", re.S) def color_config(text): """Set color options of Text widget. If ColorDelegator is used, this should be called first. """ # Called from htest, TextFrame, Editor, and Turtledemo. # Not automatic because ColorDelegator does not know 'text'. theme = idleConf.CurrentTheme() normal_colors = idleConf.GetHighlight(theme, 'normal') cursor_color = idleConf.GetHighlight(theme, 'cursor', fgBg='fg') select_colors = idleConf.GetHighlight(theme, 'hilite') text.config( foreground=normal_colors['foreground'], background=normal_colors['background'], insertbackground=cursor_color, selectforeground=select_colors['foreground'], selectbackground=select_colors['background'], inactiveselectbackground=select_colors['background'], # new in 8.5 ) class ColorDelegator(Delegator): def __init__(self): Delegator.__init__(self) self.prog = prog self.idprog = idprog self.LoadTagDefs() def setdelegate(self, delegate): if self.delegate is not None: self.unbind("<<toggle-auto-coloring>>") Delegator.setdelegate(self, delegate) if delegate is not None: self.config_colors() self.bind("<<toggle-auto-coloring>>", self.toggle_colorize_event) self.notify_range("1.0", "end") else: # No delegate - stop any colorizing self.stop_colorizing = True self.allow_colorizing = False def config_colors(self): for tag, cnf in self.tagdefs.items(): if cnf: self.tag_configure(tag, **cnf) self.tag_raise('sel') def LoadTagDefs(self): theme = idleConf.CurrentTheme() self.tagdefs = { "COMMENT": idleConf.GetHighlight(theme, "comment"), "KEYWORD": idleConf.GetHighlight(theme, "keyword"), "BUILTIN": idleConf.GetHighlight(theme, "builtin"), "STRING": idleConf.GetHighlight(theme, "string"), "DEFINITION": idleConf.GetHighlight(theme, "definition"), "SYNC": {'background':None,'foreground':None}, "TODO": {'background':None,'foreground':None}, "ERROR": idleConf.GetHighlight(theme, "error"), # The following is used by ReplaceDialog: "hit": idleConf.GetHighlight(theme, "hit"), } if DEBUG: print('tagdefs',self.tagdefs) def insert(self, index, chars, tags=None): index = self.index(index) self.delegate.insert(index, chars, tags) self.notify_range(index, index + "+%dc" % len(chars)) def delete(self, index1, index2=None): index1 = self.index(index1) self.delegate.delete(index1, index2) self.notify_range(index1) after_id = None allow_colorizing = True colorizing = False def notify_range(self, index1, index2=None): self.tag_add("TODO", index1, index2) if self.after_id: if DEBUG: print("colorizing already scheduled") return if self.colorizing: self.stop_colorizing = True if DEBUG: print("stop colorizing") if self.allow_colorizing: if DEBUG: print("schedule colorizing") self.after_id = self.after(1, self.recolorize) close_when_done = None # Window to be closed when done colorizing def close(self, close_when_done=None): if self.after_id: after_id = self.after_id self.after_id = None if DEBUG: print("cancel scheduled recolorizer") self.after_cancel(after_id) self.allow_colorizing = False self.stop_colorizing = True if close_when_done: if not self.colorizing: close_when_done.destroy() else: self.close_when_done = close_when_done def toggle_colorize_event(self, event): if self.after_id: after_id = self.after_id self.after_id = None if DEBUG: print("cancel scheduled recolorizer") self.after_cancel(after_id) if self.allow_colorizing and self.colorizing: if DEBUG: print("stop colorizing") self.stop_colorizing = True self.allow_colorizing = not self.allow_colorizing if self.allow_colorizing and not self.colorizing: self.after_id = self.after(1, self.recolorize) if DEBUG: print("auto colorizing turned",\ self.allow_colorizing and "on" or "off") return "break" def recolorize(self): self.after_id = None if not self.delegate: if DEBUG: print("no delegate") return if not self.allow_colorizing: if DEBUG: print("auto colorizing is off") return if self.colorizing: if DEBUG: print("already colorizing") return try: self.stop_colorizing = False self.colorizing = True if DEBUG: print("colorizing...") t0 = time.perf_counter() self.recolorize_main() t1 = time.perf_counter() if DEBUG: print("%.3f seconds" % (t1-t0)) finally: self.colorizing = False if self.allow_colorizing and self.tag_nextrange("TODO", "1.0"): if DEBUG: print("reschedule colorizing") self.after_id = self.after(1, self.recolorize) if self.close_when_done: top = self.close_when_done self.close_when_done = None top.destroy() def recolorize_main(self): next = "1.0" while True: item = self.tag_nextrange("TODO", next) if not item: break head, tail = item self.tag_remove("SYNC", head, tail) item = self.tag_prevrange("SYNC", head) if item: head = item[1] else: head = "1.0" chars = "" next = head lines_to_get = 1 ok = False while not ok: mark = next next = self.index(mark + "+%d lines linestart" % lines_to_get) lines_to_get = min(lines_to_get * 2, 100) ok = "SYNC" in self.tag_names(next + "-1c") line = self.get(mark, next) ##print head, "get", mark, next, "->", repr(line) if not line: return for tag in self.tagdefs: self.tag_remove(tag, mark, next) chars = chars + line m = self.prog.search(chars) while m: for key, value in m.groupdict().items(): if value: a, b = m.span(key) self.tag_add(key, head + "+%dc" % a, head + "+%dc" % b) if value in ("def", "class"): m1 = self.idprog.match(chars, b) if m1: a, b = m1.span(1) self.tag_add("DEFINITION", head + "+%dc" % a, head + "+%dc" % b) m = self.prog.search(chars, m.end()) if "SYNC" in self.tag_names(next + "-1c"): head = next chars = "" else: ok = False if not ok: # We're in an inconsistent state, and the call to # update may tell us to stop. It may also change # the correct value for "next" (since this is a # line.col string, not a true mark). So leave a # crumb telling the next invocation to resume here # in case update tells us to leave. self.tag_add("TODO", next) self.update() if self.stop_colorizing: if DEBUG: print("colorizing stopped") return def removecolors(self): for tag in self.tagdefs: self.tag_remove(tag, "1.0", "end") def _color_delegator(parent): # htest # from tkinter import Toplevel, Text from idlelib.percolator import Percolator top = Toplevel(parent) top.title("Test ColorDelegator") x, y = map(int, parent.geometry().split('+')[1:]) top.geometry("700x250+%d+%d" % (x + 20, y + 175)) source = ( "if True: int ('1') # keyword, builtin, string, comment\n" "elif False: print(0)\n" "else: float(None)\n" "if iF + If + IF: 'keyword matching must respect case'\n" "if'': x or'' # valid string-keyword no-space combinations\n" "async def f(): await g()\n" "# All valid prefixes for unicode and byte strings should be colored.\n" "'x', '''x''', \"x\", \"\"\"x\"\"\"\n" "r'x', u'x', R'x', U'x', f'x', F'x'\n" "fr'x', Fr'x', fR'x', FR'x', rf'x', rF'x', Rf'x', RF'x'\n" "b'x',B'x', br'x',Br'x',bR'x',BR'x', rb'x'.rB'x',Rb'x',RB'x'\n" "# Invalid combinations of legal characters should be half colored.\n" "ur'x', ru'x', uf'x', fu'x', UR'x', ufr'x', rfu'x', xf'x', fx'x'\n" ) text = Text(top, background="white") text.pack(expand=1, fill="both") text.insert("insert", source) text.focus_set() color_config(text) p = Percolator(text) d = ColorDelegator() p.insertfilter(d) if __name__ == "__main__": from unittest import main main('idlelib.idle_test.test_colorizer', verbosity=2, exit=False) from idlelib.idle_test.htest import run run(_color_delegator)
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