From eede9648d50c3750f6f8d1319a79dd76d7f10b55 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sat, 15 Sep 2018 14:51:02 +0200 Subject: Squashed 'waflib/' content from commit 982416b8 git-subtree-dir: waflib git-subtree-split: 982416b8a6c6728e200243e1be3ab60435c08830 --- Errors.py | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Errors.py (limited to 'Errors.py') diff --git a/Errors.py b/Errors.py new file mode 100644 index 00000000..bf75c1b6 --- /dev/null +++ b/Errors.py @@ -0,0 +1,68 @@ +#!/usr/bin/env python +# encoding: utf-8 +# Thomas Nagy, 2010-2018 (ita) + +""" +Exceptions used in the Waf code +""" + +import traceback, sys + +class WafError(Exception): + """Base class for all Waf errors""" + def __init__(self, msg='', ex=None): + """ + :param msg: error message + :type msg: string + :param ex: exception causing this error (optional) + :type ex: exception + """ + Exception.__init__(self) + self.msg = msg + assert not isinstance(msg, Exception) + + self.stack = [] + if ex: + if not msg: + self.msg = str(ex) + if isinstance(ex, WafError): + self.stack = ex.stack + else: + self.stack = traceback.extract_tb(sys.exc_info()[2]) + self.stack += traceback.extract_stack()[:-1] + self.verbose_msg = ''.join(traceback.format_list(self.stack)) + + def __str__(self): + return str(self.msg) + +class BuildError(WafError): + """Error raised during the build and install phases""" + def __init__(self, error_tasks=[]): + """ + :param error_tasks: tasks that could not complete normally + :type error_tasks: list of task objects + """ + self.tasks = error_tasks + WafError.__init__(self, self.format_error()) + + def format_error(self): + """Formats the error messages from the tasks that failed""" + lst = ['Build failed'] + for tsk in self.tasks: + txt = tsk.format_error() + if txt: + lst.append(txt) + return '\n'.join(lst) + +class ConfigurationError(WafError): + """Configuration exception raised in particular by :py:meth:`waflib.Context.Context.fatal`""" + pass + +class TaskRescan(WafError): + """Task-specific exception type signalling required signature recalculations""" + pass + +class TaskNotReady(WafError): + """Task-specific exception type signalling that task signatures cannot be computed""" + pass + -- cgit v1.2.1