(self, event=None)
| 112 | self.reevaluate() |
| 113 | |
| 114 | def reevaluate(self, event=None): |
| 115 | try: |
| 116 | self.stringdisplay.tag_remove("hit", "1.0", END) |
| 117 | except TclError: |
| 118 | pass |
| 119 | try: |
| 120 | self.stringdisplay.tag_remove("hit0", "1.0", END) |
| 121 | except TclError: |
| 122 | pass |
| 123 | self.grouplist.delete(0, END) |
| 124 | if not self.compiled: |
| 125 | return |
| 126 | self.stringdisplay.tag_configure("hit", background="yellow") |
| 127 | self.stringdisplay.tag_configure("hit0", background="orange") |
| 128 | text = self.stringdisplay.get("1.0", END) |
| 129 | last = 0 |
| 130 | nmatches = 0 |
| 131 | while last <= len(text): |
| 132 | m = self.compiled.search(text, last) |
| 133 | if m is None: |
| 134 | break |
| 135 | first, last = m.span() |
| 136 | if last == first: |
| 137 | last = first+1 |
| 138 | tag = "hit0" |
| 139 | else: |
| 140 | tag = "hit" |
| 141 | pfirst = "1.0 + %d chars" % first |
| 142 | plast = "1.0 + %d chars" % last |
| 143 | self.stringdisplay.tag_add(tag, pfirst, plast) |
| 144 | if nmatches == 0: |
| 145 | self.stringdisplay.yview_pickplace(pfirst) |
| 146 | groups = list(m.groups()) |
| 147 | groups.insert(0, m.group()) |
| 148 | for i in range(len(groups)): |
| 149 | g = "%2d: %r" % (i, groups[i]) |
| 150 | self.grouplist.insert(END, g) |
| 151 | nmatches = nmatches + 1 |
| 152 | if self.showvar.get() == "first": |
| 153 | break |
| 154 | |
| 155 | if nmatches == 0: |
| 156 | self.statusdisplay.config(text="(no match)", |
| 157 | background="yellow") |
| 158 | else: |
| 159 | self.statusdisplay.config(text="") |
| 160 | |
| 161 | |
| 162 | # Main function, run when invoked as a stand-alone Python program. |
no test coverage detected