Return (active breakpoint, delete temporary flag) or (None, None) as breakpoint to act upon. The "active breakpoint" is the first entry in bplist[line, file] (which must exist) that is enabled, for which checkfuncname is True, and that has neither a False condition nor a
(file, line, frame)
| 1122 | |
| 1123 | |
| 1124 | def effective(file, line, frame): |
| 1125 | """Return (active breakpoint, delete temporary flag) or (None, None) as |
| 1126 | breakpoint to act upon. |
| 1127 | |
| 1128 | The "active breakpoint" is the first entry in bplist[line, file] (which |
| 1129 | must exist) that is enabled, for which checkfuncname is True, and that |
| 1130 | has neither a False condition nor a positive ignore count. The flag, |
| 1131 | meaning that a temporary breakpoint should be deleted, is False only |
| 1132 | when the condiion cannot be evaluated (in which case, ignore count is |
| 1133 | ignored). |
| 1134 | |
| 1135 | If no such entry exists, then (None, None) is returned. |
| 1136 | """ |
| 1137 | possibles = Breakpoint.bplist[file, line] |
| 1138 | for b in possibles: |
| 1139 | if not b.enabled: |
| 1140 | continue |
| 1141 | if not checkfuncname(b, frame): |
| 1142 | continue |
| 1143 | # Count every hit when bp is enabled |
| 1144 | b.hits += 1 |
| 1145 | if not b.cond: |
| 1146 | # If unconditional, and ignoring go on to next, else break |
| 1147 | if b.ignore > 0: |
| 1148 | b.ignore -= 1 |
| 1149 | continue |
| 1150 | else: |
| 1151 | # breakpoint and marker that it's ok to delete if temporary |
| 1152 | return (b, True) |
| 1153 | else: |
| 1154 | # Conditional bp. |
| 1155 | # Ignore count applies only to those bpt hits where the |
| 1156 | # condition evaluates to true. |
| 1157 | try: |
| 1158 | val = eval(b.cond, frame.f_globals, frame.f_locals) |
| 1159 | if val: |
| 1160 | if b.ignore > 0: |
| 1161 | b.ignore -= 1 |
| 1162 | # continue |
| 1163 | else: |
| 1164 | return (b, True) |
| 1165 | # else: |
| 1166 | # continue |
| 1167 | except: |
| 1168 | # if eval fails, most conservative thing is to stop on |
| 1169 | # breakpoint regardless of ignore count. Don't delete |
| 1170 | # temporary, as another hint to user. |
| 1171 | return (b, False) |
| 1172 | return (None, None) |
| 1173 | |
| 1174 | |
| 1175 | # -------------------- testing -------------------- |
no test coverage detected