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author | David Robillard <d@drobilla.net> | 2018-09-15 14:51:03 +0200 |
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committer | David Robillard <d@drobilla.net> | 2018-09-15 14:51:03 +0200 |
commit | be0edc0483a9b0b16171e0a7624e1cac9750d8e0 (patch) | |
tree | 2f639b07d13e56ce068347304bd6d4bf89c7ed2c /waflib/Errors.py | |
parent | d3e4e496a19a266ffac7c04fb7d54926e39f55a2 (diff) | |
parent | c2b0355b0de23f6ec83b5fa5be038bcce208e26f (diff) | |
download | serd-be0edc0483a9b0b16171e0a7624e1cac9750d8e0.tar.gz serd-be0edc0483a9b0b16171e0a7624e1cac9750d8e0.tar.bz2 serd-be0edc0483a9b0b16171e0a7624e1cac9750d8e0.zip |
Merge commit 'c2b0355b0de23f6ec83b5fa5be038bcce208e26f' as 'waflib'
Diffstat (limited to 'waflib/Errors.py')
-rw-r--r-- | waflib/Errors.py | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/waflib/Errors.py b/waflib/Errors.py new file mode 100644 index 00000000..bf75c1b6 --- /dev/null +++ b/waflib/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 + |