diff options
Diffstat (limited to 'Demo/tkinter/guido/ss1.py')
| -rw-r--r-- | Demo/tkinter/guido/ss1.py | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/Demo/tkinter/guido/ss1.py b/Demo/tkinter/guido/ss1.py index 6a7aefc..a6c8c21 100644 --- a/Demo/tkinter/guido/ss1.py +++ b/Demo/tkinter/guido/ss1.py @@ -4,7 +4,6 @@ import os import re import sys import cgi -import rexec from xml.parsers import expat LEFT, CENTER, RIGHT = "LEFT", "CENTER", "RIGHT" @@ -33,16 +32,16 @@ class Sheet: def __init__(self): self.cells = {} # {(x, y): cell, ...} - self.rexec = rexec.RExec() - m = self.rexec.add_module('__main__') - m.cell = self.cellvalue - m.cells = self.multicellvalue - m.sum = sum + self.ns = dict( + cell = self.cellvalue, + cells = self.multicellvalue, + sum = sum, + ) def cellvalue(self, x, y): cell = self.getcell(x, y) if hasattr(cell, 'recalc'): - return cell.recalc(self.rexec) + return cell.recalc(self.ns) else: return cell @@ -144,7 +143,7 @@ class Sheet: self.reset() for cell in self.cells.values(): if hasattr(cell, 'recalc'): - cell.recalc(self.rexec) + cell.recalc(self.ns) def display(self): maxx, maxy = self.getsize() @@ -164,7 +163,7 @@ class Sheet: if x <= 0 or y <= 0: continue if hasattr(cell, 'recalc'): - cell.recalc(self.rexec) + cell.recalc(self.ns) if hasattr(cell, 'format'): text, alignment = cell.format() assert isinstance(text, str) @@ -317,7 +316,7 @@ class BaseCell: Subclasses may but needn't provide the following APIs: cell.reset() -- prepare for recalculation - cell.recalc(rexec) -> value -- recalculate formula + cell.recalc(ns) -> value -- recalculate formula cell.format() -> (value, alignment) -- return formatted value cell.xml() -> string -- return XML """ @@ -331,7 +330,7 @@ class NumericCell(BaseCell): self.fmt = fmt self.alignment = alignment - def recalc(self, rexec): + def recalc(self, ns): return self.value def format(self): @@ -372,7 +371,7 @@ class StringCell(BaseCell): self.fmt = fmt self.alignment = alignment - def recalc(self, rexec): + def recalc(self, ns): return self.text def format(self): @@ -398,13 +397,11 @@ class FormulaCell(BaseCell): def reset(self): self.value = None - def recalc(self, rexec): + def recalc(self, ns): if self.value is None: try: # A hack to evaluate expressions using true division - rexec.r_exec("from __future__ import division\n" + - "__value__ = eval(%s)" % repr(self.translated)) - self.value = rexec.r_eval("__value__") + self.value = eval(self.translated, ns) except: exc = sys.exc_info()[0] if hasattr(exc, "__name__"): |