mirror of https://gitlab.com/ita1024/waf.git
69 lines
1.7 KiB
Python
69 lines
1.7 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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# Thomas Nagy, 2010-2018 (ita)
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"""
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Exceptions used in the Waf code
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"""
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import traceback, sys
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class WafError(Exception):
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"""Base class for all Waf errors"""
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def __init__(self, msg='', ex=None):
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"""
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:param msg: error message
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:type msg: string
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:param ex: exception causing this error (optional)
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:type ex: exception
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"""
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Exception.__init__(self)
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self.msg = msg
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assert not isinstance(msg, Exception)
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self.stack = []
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if ex:
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if not msg:
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self.msg = str(ex)
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if isinstance(ex, WafError):
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self.stack = ex.stack
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else:
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self.stack = traceback.extract_tb(sys.exc_info()[2])
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self.stack += traceback.extract_stack()[:-1]
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self.verbose_msg = ''.join(traceback.format_list(self.stack))
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def __str__(self):
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return str(self.msg)
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class BuildError(WafError):
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"""Error raised during the build and install phases"""
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def __init__(self, error_tasks=[]):
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"""
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:param error_tasks: tasks that could not complete normally
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:type error_tasks: list of task objects
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"""
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self.tasks = error_tasks
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WafError.__init__(self, self.format_error())
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def format_error(self):
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"""Formats the error messages from the tasks that failed"""
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lst = ['Build failed']
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for tsk in self.tasks:
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txt = tsk.format_error()
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if txt:
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lst.append(txt)
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return '\n'.join(lst)
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class ConfigurationError(WafError):
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"""Configuration exception raised in particular by :py:meth:`waflib.Context.Context.fatal`"""
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pass
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class TaskRescan(WafError):
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"""Task-specific exception type signalling required signature recalculations"""
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pass
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class TaskNotReady(WafError):
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"""Task-specific exception type signalling that task signatures cannot be computed"""
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pass
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