Returns Truthy values if code finishes, False otherwise if for_code is provided, send that value to the code greenlet if source code is complete, returns "done" if source code is incomplete, returns "unfinished"
(self, for_code=None)
| 123 | self.code_is_waiting = False |
| 124 | |
| 125 | def run_code(self, for_code=None): |
| 126 | """Returns Truthy values if code finishes, False otherwise |
| 127 | |
| 128 | if for_code is provided, send that value to the code greenlet |
| 129 | if source code is complete, returns "done" |
| 130 | if source code is incomplete, returns "unfinished" |
| 131 | """ |
| 132 | if self.code_context is None: |
| 133 | assert self.source is not None |
| 134 | self.code_context = greenlet.greenlet(self._blocking_run_code) |
| 135 | if is_main_thread(): |
| 136 | self.orig_sigint_handler = signal.getsignal(signal.SIGINT) |
| 137 | signal.signal(signal.SIGINT, self.sigint_handler) |
| 138 | request = self.code_context.switch() |
| 139 | else: |
| 140 | assert self.code_is_waiting |
| 141 | self.code_is_waiting = False |
| 142 | if is_main_thread(): |
| 143 | signal.signal(signal.SIGINT, self.sigint_handler) |
| 144 | if self.sigint_happened_in_main_context: |
| 145 | self.sigint_happened_in_main_context = False |
| 146 | request = self.code_context.switch(SigintHappened) |
| 147 | else: |
| 148 | request = self.code_context.switch(for_code) |
| 149 | |
| 150 | logger.debug("request received from code was %r", request) |
| 151 | if not isinstance(request, RequestFromCodeRunner): |
| 152 | raise ValueError( |
| 153 | "Not a valid value from code greenlet: %r" % request |
| 154 | ) |
| 155 | if isinstance(request, (Wait, Refresh)): |
| 156 | self.code_is_waiting = True |
| 157 | if isinstance(request, Refresh): |
| 158 | self.request_refresh() |
| 159 | return False |
| 160 | elif isinstance(request, (Done, Unfinished)): |
| 161 | self._unload_code() |
| 162 | if is_main_thread(): |
| 163 | signal.signal(signal.SIGINT, self.orig_sigint_handler) |
| 164 | self.orig_sigint_handler = None |
| 165 | return request |
| 166 | elif isinstance(request, SystemExitRequest): |
| 167 | self._unload_code() |
| 168 | raise SystemExitFromCodeRunner(request.args) |
| 169 | |
| 170 | def sigint_handler(self, *args): |
| 171 | """SIGINT handler to use while code is running or request being |