Remove Utils.ex_stack - use traceback.format_exc()

ChangeLog

@@ -18,4 +18,4 @@ NEW IN WAF 2.0.0 (preview 4)
 * Remove c_preproc.trimquotes
 * Remove field_name, type_name, function_name from conf.check() tests
 * Remove extras/mem_reducer.py as a better solution has been merged
-
+* Remove Utils.ex_stack (use traceback.format_exc())

TODO

@@ -1,7 +1,6 @@
 Waf 2.0
 -------
 
-Merge mem_reducer.py in the mainline
 Improve the sorting in TaskGen.post()
 Remove ut_exec, ut_cmd from waf_unit_test.py
 Better logging?

waflib/Configure.py

@@ -12,7 +12,7 @@ A :py:class:`waflib.Configure.ConfigurationContext` instance is created when ``w
 * hold configuration routines such as ``find_program``, etc
 """
 
-import os, shlex, sys, time, re, shutil
+import os, re, shlex, shutil, sys, time, traceback
 from waflib import ConfigSet, Utils, Options, Logs, Context, Build, Errors
 
 WAF_CONFIG_LOG = 'config.log'
@@ -258,7 +258,7 @@ class ConfigurationContext(Context.Context):
 				self.fatal('Could not load the Waf tool %r from %r\n%s' % (tool, sys.path, e))
 			except Exception as e:
 				self.to_log('imp %r (%r & %r)' % (tool, tooldir, funs))
-				self.to_log(Utils.ex_stack())
+				self.to_log(traceback.format_exc())
 				raise
 
 			if funs is not None:
@@ -587,7 +587,7 @@ def run_build(self, *k, **kw):
 		try:
 			bld.compile()
 		except Errors.WafError:
-			ret = 'Test does not build: %s' % Utils.ex_stack()
+			ret = 'Test does not build: %s' % traceback.format_exc()
 			self.fatal(ret)
 		else:
 			ret = getattr(bld, 'retval', 0)

waflib/Runner.py

@@ -6,7 +6,7 @@
 Runner.py: Task scheduling and execution
 """
 
-import heapq
+import heapq, traceback
 try:
 	from queue import Queue
 except ImportError:
@@ -364,7 +364,7 @@ class Parallel(object):
 			return tsk.runnable_status()
 		except Exception:
 			self.processed += 1
-			tsk.err_msg = Utils.ex_stack()
+			tsk.err_msg = traceback.format_exc()
 			if not self.stop and self.bld.keep:
 				self.skip(tsk)
 				if self.bld.keep == 1:

waflib/Task.py

@@ -6,7 +6,7 @@
 Tasks represent atomic operations such as processes.
 """
 
-import os, re, sys, tempfile
+import os, re, sys, tempfile, traceback
 from waflib import Utils, Logs, Errors
 
 # task states
@@ -312,7 +312,7 @@ class Task(evil):
 		try:
 			ret = self.run()
 		except Exception:
-			self.err_msg = Utils.ex_stack()
+			self.err_msg = traceback.format_exc()
 			self.hasrun = EXCEPTION
 
 			# TODO cleanup
@@ -328,7 +328,7 @@ class Task(evil):
 			except Errors.WafError:
 				pass
 			except Exception:
-				self.err_msg = Utils.ex_stack()
+				self.err_msg = traceback.format_exc()
 				self.hasrun = EXCEPTION
 			else:
 				self.hasrun = SUCCESS

waflib/Tools/c_preproc.py

@@ -951,8 +951,7 @@ class c_parser(object):
 			raise PreprocError('could not read the file %r' % node)
 		except Exception:
 			if Logs.verbose > 0:
-				Logs.error('parsing %r failed', node)
+				Logs.error('parsing %r failed %s', node, traceback.format_exc())
-				traceback.print_exc()
 		else:
 			self.lines.extend(lines)
 
@@ -1048,7 +1047,7 @@ class c_parser(object):
 						self.ban_includes.add(self.current_file)
 			except Exception as e:
 				if Logs.verbose:
-					Logs.debug('preproc: line parsing failed (%s): %s %s', e, line, Utils.ex_stack())
+					Logs.debug('preproc: line parsing failed (%s): %s %s', e, line, traceback.format_exc())
 
 	def define_name(self, line):
 		"""

waflib/Tools/ifort.py

@@ -3,7 +3,7 @@
 # DC 2008
 # Thomas Nagy 2016-2017 (ita)
 
-import os, re
+import os, re, traceback
 from waflib import Utils, Logs, Errors
 from waflib.Tools import fc, fc_config, fc_scan, ar, ccroot
 from waflib.Configure import conf
@@ -232,7 +232,7 @@ echo LIB=%%LIB%%;%%LIBPATH%%
 	try:
 		conf.cmd_and_log(fc + ['/help'], env=env)
 	except UnicodeError:
-		st = Utils.ex_stack()
+		st = traceback.format_exc()
 		if conf.logger:
 			conf.logger.error(st)
 		conf.fatal('ifort: Unicode error - check the code page?')

waflib/Tools/msvc.py

@@ -52,7 +52,7 @@ cmd.exe  /C  "chcp 1252 & set PYTHONUNBUFFERED=true && set && waf  configure"
 Setting PYTHONUNBUFFERED gives the unbuffered output.
 """
 
-import os, sys, re
+import os, sys, re, traceback
 from waflib import Utils, Logs, Options, Errors
 from waflib.TaskGen import after_method, feature
 
@@ -213,7 +213,7 @@ echo LIB=%%LIB%%;%%LIBPATH%%
 	try:
 		conf.cmd_and_log(cxx + ['/help'], env=env)
 	except UnicodeError:
-		st = Utils.ex_stack()
+		st = traceback.format_exc()
 		if conf.logger:
 			conf.logger.error(st)
 		conf.fatal('msvc: Unicode error - check the code page?')

waflib/Utils.py

@@ -422,15 +422,6 @@ def num2ver(ver):
 		return ret
 	return ver
 
-def ex_stack():
-	"""
-	Extracts the stack to display exceptions. Deprecated: use traceback.format_exc()
-
-	:return: a string represening the last exception
-	"""
-	# TODO remove in waf 2.0
-	return traceback.format_exc()
-
 def to_list(val):
 	"""
 	Converts a string argument to a list by splitting it by spaces.

waflib/extras/parallel_debug.py

@@ -12,7 +12,7 @@ a file named pdebug.svg in the source directory::
 		...
 """
 
-import time, sys, re, threading
+import re, sys, threading, time, traceback
 try:
 	from Queue import Queue
 except:
@@ -222,7 +222,7 @@ def process(self):
 	try:
 		ret = self.run()
 	except Exception:
-		self.err_msg = Utils.ex_stack()
+		self.err_msg = traceback.format_exc()
 		self.hasrun = Task.EXCEPTION
 
 		# TODO cleanup
@@ -238,7 +238,7 @@ def process(self):
 		except Errors.WafError:
 			pass
 		except Exception:
-			self.err_msg = Utils.ex_stack()
+			self.err_msg = traceback.format_exc()
 			self.hasrun = Task.EXCEPTION
 		else:
 			self.hasrun = Task.SUCCESS