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authorDavid Robillard <d@drobilla.net>2018-11-24 13:44:03 +0100
committerDavid Robillard <d@drobilla.net>2018-11-24 13:44:03 +0100
commita7d83f19b08eb4c6f79a82fe60c2b86db13f4420 (patch)
treed9b620bfba1e7462df4ddb3f6225cc5216c0ca81 /Errors.py
parentd63edc742cebd685f8a05936682210aa5c1e69a9 (diff)
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Squashed 'waflib/' changes from 6e726eb1..5ea8f99f
5ea8f99f Improve test output spacing 0e23b29f Raise exception when test suite fails to ensure non-zero exit status d6de073b Show run time of unit tests 5b655541 Add short configure option for ultra-strict flags 4687ba6d Use gtest-like test output 258903d9 Fix failure count in test group summaries da07e738 Fix verbose tests with Python 3 git-subtree-dir: waflib git-subtree-split: 5ea8f99f6e1246079c1fe6bb590c38a53aadd40d
Diffstat (limited to 'Errors.py')
-rw-r--r--Errors.py68
1 files changed, 68 insertions, 0 deletions
diff --git a/Errors.py b/Errors.py
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index 00000000..bf75c1b6
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+++ b/Errors.py
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+#!/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
+