X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=system%2FTestMain.py;h=bca8a3c5e74f54ae6fe2ffaafc5b30fd88e8c20a;hb=7fc4b467026cb4b18816f68a7c8f0026b7321a1d;hp=7d082e282d603ed61f7d72ff6bff174261d66d56;hpb=26cdf0ed369973e22166b9aa1e5cdd30df99c4c2;p=tests.git diff --git a/system/TestMain.py b/system/TestMain.py index 7d082e2..bca8a3c 100755 --- a/system/TestMain.py +++ b/system/TestMain.py @@ -1,64 +1,155 @@ -#!/usr/bin/env python -u -# $Id$ +#!/usr/bin/python -u +# Thierry Parmentelat +# Copyright (C) 2010 INRIA +# import sys, os, os.path from optparse import OptionParser import traceback from time import strftime import readline +import glob import utils -from TestPlc import TestPlc +from TestPlc import TestPlc, Ignored from TestSite import TestSite from TestNode import TestNode +from macros import sequences + +# add $HOME in PYTHONPATH so we can import LocalSubstrate.py +sys.path.append(os.environ['HOME']) +import LocalSubstrate + +class Step: + + natives=TestPlc.__dict__ + + def display (self): return self.name.replace('_','-') + def internal (self): return self.name.replace('-','_') + + def __init__ (self, name): + self.name=name + # a native step is implemented as a method on TestPlc + self.native = self.internal() in Step.natives + if self.native: + self.method=Step.natives[self.internal()] + else: + try: + self.substeps=sequences[self.internal()] + except Exception,e: + print "macro step %s not found in macros.py (%s) - exiting"%(self.display(),e) + raise + + def print_doc (self,level=0): + tab=32 + trail=8 + if self.native: + start=level*' '+'* ' + # 2 is the len of '* ' + width=tab-level-2 + format="%%-%ds"%width + line=start+format%self.display() + print line, + try: + print self.method.__doc__ + except: + print "*** no doc found" + else: + beg_start=level*' '+'>>> ' + end_start=level*' '+'<<< ' + trailer=trail*'-' + # 4 is the len of '>>> ' + width=tab-level-4-trail + format=("%%-%ds"%width) + beg_line=beg_start+format%self.display()+trail*'>' + end_line=end_start+format%self.display()+trail*'<' + print beg_line + for step in self.substeps: + Step(step).print_doc(level+1) + print end_line + + # return a list of (name, method) for all native steps involved + def tuples (self): + if self.native: return [ (self.internal(), self.method,) ] + else: + result=[] + for substep in [ Step(name) for name in self.substeps ] : + result += substep.tuples() + return result + + # convenience for listing macros + # just do a listdir, hoping we're in the right directory... + @staticmethod + def list_macros (): + names= sequences.keys() + names.sort() + return names class TestMain: - subversion_id = "$Id$" + subversion_id = "Now using git -- version tracker broken" default_config = [ 'default' ] + default_rspec_styles = [ 'pl', 'pg' ] - default_build_url = "http://svn.planet-lab.org/svn/build/trunk" + default_build_url = "git://git.onelab.eu/tests" def __init__ (self): self.path=os.path.dirname(sys.argv[0]) or "." os.chdir(self.path) - @staticmethod - def show_env (options, message): - utils.header (message) - utils.show_options("main options",options) + def show_env (self,options, message): + if self.options.verbose: + utils.header (message) + utils.show_options("main options",options) - @staticmethod - def optparse_list (option, opt, value, parser): - try: - setattr(parser.values,option.dest,getattr(parser.values,option.dest)+value.split()) - except: - setattr(parser.values,option.dest,value.split()) + def init_steps(self): + self.steps_message = 20*'x'+" Defaut steps are\n"+TestPlc.printable_steps(TestPlc.default_steps) + self.steps_message += 20*'x'+" Other useful steps are\n"+TestPlc.printable_steps(TestPlc.other_steps) + self.steps_message += 20*'x'+" Macro steps are\n"+" ".join(Step.list_macros()) + + def list_steps(self): + if not self.options.verbose: + print self.steps_message, + else: + # steps mentioned on the command line + if self.options.args: + scopes = [("Argument steps",self.options.args)] + else: + scopes = [("Default steps",TestPlc.default_steps)] + if self.options.all_steps: + scopes.append ( ("Other steps",TestPlc.other_steps) ) + # try to list macro steps as well + scopes.append ( ("Macro steps", Step.list_macros()) ) + for (scope,steps) in scopes: + print '--------------------',scope + for step in [step for step in steps if TestPlc.valid_step(step)]: + try: (step,qualifier)=step.split('@') + except: pass + stepname=step + for special in ['force','ignore']: + stepname = stepname.replace('_'+special,"") + Step(stepname).print_doc() def run (self): - steps_message=20*'x'+" Defaut steps are\n"+TestPlc.printable_steps(TestPlc.default_steps) - steps_message += "\n"+20*'x'+" Other useful steps are\n"+TestPlc.printable_steps(TestPlc.other_steps) + self.init_steps() usage = """usage: %%prog [options] steps arch-rpms-url defaults to the last value used, as stored in arg-arch-rpms-url, no default -build-url defaults to the last value used, as stored in arg-build-url, - or %s config defaults to the last value used, as stored in arg-config, or %r -node-ips and plc-ips defaults to the last value used, as stored in arg-ips-node and arg-ips-plc, +ips_vnode, ips_vplc and ips_qemu defaults to the last value used, as stored in arg-ips-{bplc,vplc,bnode,vnode}, default is to use IP scanning steps refer to a method in TestPlc or to a step_* module === -"""%(TestMain.default_build_url,TestMain.default_config) - usage += steps_message +"""%(TestMain.default_config) + usage += self.steps_message parser=OptionParser(usage=usage,version=self.subversion_id) parser.add_option("-u","--url",action="store", dest="arch_rpms_url", help="URL of the arch-dependent RPMS area - for locating what to test") parser.add_option("-b","--build",action="store", dest="build_url", - help="Build URL - for locating vtest-init-vserver.sh") - parser.add_option("-c","--config",action="callback", callback=TestMain.optparse_list, dest="config", - nargs=1,type="string", + help="ignored, for legacy only") + parser.add_option("-c","--config",action="append", dest="config", default=[], help="Config module - can be set multiple times, or use quotes") parser.add_option("-p","--personality",action="store", dest="personality", help="personality - as in vbuild-nightly") @@ -66,79 +157,95 @@ steps refer to a method in TestPlc or to a step_* module help="pldistro - as in vbuild-nightly") parser.add_option("-f","--fcdistro",action="store", dest="fcdistro", help="fcdistro - as in vbuild-nightly") - parser.add_option("-x","--exclude",action="callback", callback=TestMain.optparse_list, dest="exclude", - nargs=1,type="string",default=[], + parser.add_option("-e","--exclude",action="append", dest="exclude", default=[], help="steps to exclude - can be set multiple times, or use quotes") + parser.add_option("-i","--ignore",action="append", dest="ignore", default=[], + help="steps to run but ignore - can be set multiple times, or use quotes") parser.add_option("-a","--all",action="store_true",dest="all_steps", default=False, help="Run all default steps") parser.add_option("-l","--list",action="store_true",dest="list_steps", default=False, help="List known steps") - parser.add_option("-N","--nodes",action="callback", callback=TestMain.optparse_list, dest="ips_node", - nargs=1,type="string", - help="Specify the set of IP addresses to use for nodes (scanning disabled)") - parser.add_option("-P","--plcs",action="callback", callback=TestMain.optparse_list, dest="ips_plc", - nargs=1,type="string", - help="Specify the set of IP addresses to use for plcs (scanning disabled)") + parser.add_option("-V","--vserver",action="append", dest="ips_bplc", default=[], + help="Specify the set of hostnames for the boxes that host the plcs") + parser.add_option("-P","--plcs",action="append", dest="ips_vplc", default=[], + help="Specify the set of hostname/IP's to use for vplcs") + parser.add_option("-Q","--qemus",action="append", dest="ips_bnode", default=[], + help="Specify the set of hostnames for the boxes that host the nodes") + parser.add_option("-N","--nodes",action="append", dest="ips_vnode", default=[], + help="Specify the set of hostname/IP's to use for vnodes") + parser.add_option ('-X', "--lxc",action='store_true',dest='plcs_use_lxc',default=True, + help='use lxc-enabled plc boxes instead of vs-enabled ones') + parser.add_option ('-S', "--vs",action='store_false',dest='plcs_use_lxc', + help='use lxc-enabled plc boxes instead of vs-enabled ones') parser.add_option("-s","--size",action="store",type="int",dest="size",default=1, help="sets test size in # of plcs - default is 1") + parser.add_option("-q","--qualifier",action="store",type="int",dest="qualifier",default=None, + help="run steps only on plc numbered , starting at 1") + parser.add_option("-y","--rspec-style",action="append",dest="rspec_styles",default=[], + help="pl is for planetlab rspecs, pg is for protogeni") + parser.add_option("-k","--keep-going",action="store",dest="keep_going",default=False, + help="proceeds even if some steps are failing") parser.add_option("-D","--dbname",action="store",dest="dbname",default=None, - help="Used by db_dump and db_restore") + help="Used by plc_db_dump and plc_db_restore") parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=False, help="Run in verbose mode") - parser.add_option("-q","--quiet", action="store_true", dest="quiet", default=False, - help="Run in quiet mode") - parser.add_option("-i","--interactive",action="store_true",dest="interactive",default=False, + parser.add_option("-I","--interactive",action="store_true",dest="interactive",default=False, help="prompts before each step") parser.add_option("-n","--dry-run", action="store_true", dest="dry_run", default=False, help="Show environment and exits") - parser.add_option("-r","--restart-nm", action="store_true", dest="forcenm", default=False, - help="Force the NM to restart in check_slices step") +# dropped when added Completer.py +# parser.add_option("-r","--restart-nm", action="store_true", dest="forcenm", default=False, +# help="Force the NM to restart in ssh_slices step") parser.add_option("-t","--trace", action="store", dest="trace_file", default=None, - #default="logs/trace-@TIME@.txt", help="Trace file location") (self.options, self.args) = parser.parse_args() - if self.options.quiet: - self.options.verbose=False - if len(self.args) == 0: - if self.options.all_steps: - self.options.steps=TestPlc.default_steps - elif self.options.dry_run: - self.options.steps=TestPlc.default_steps - elif self.options.list_steps: - print steps_message - sys.exit(1) - else: - print 'No step found (do you mean -a ? )' - print "Run %s --help for help"%sys.argv[0] - sys.exit(1) - else: - self.options.steps = self.args + # allow things like "run -c 'c1 c2' -c c3" + def flatten (x): + result = [] + for el in x: + if hasattr(el, "__iter__") and not isinstance(el, basestring): + result.extend(flatten(el)) + else: + result.append(el) + return result + # flatten relevant options + for optname in ['config','exclude','ignore','ips_bplc','ips_vplc','ips_bnode','ips_vnode']: + setattr(self.options,optname, flatten ( [ arg.split() for arg in getattr(self.options,optname) ] )) + + if not self.options.rspec_styles: + self.options.rspec_styles=TestMain.default_rspec_styles # handle defaults and option persistence - for (recname,filename,default) in ( - ('build_url','arg-build-url',TestMain.default_build_url) , - ('ips_node','arg-ips-node',[]) , - ('ips_plc','arg-ips-plc',[]) , - ('config','arg-config',TestMain.default_config) , - ('arch_rpms_url','arg-arch-rpms-url',"") , - ('personality','arg-personality',"linux32"), - ('pldistro','arg-pldistro',"planetlab"), - ('fcdistro','arg-fcdistro','centos5'), + for (recname,filename,default,need_reverse) in ( + ('build_url','arg-build-url',TestMain.default_build_url,None) , + ('ips_bplc','arg-ips-bplc',[],True), + ('ips_vplc','arg-ips-vplc',[],True) , + ('ips_bnode','arg-ips-bnode',[],True), + ('ips_vnode','arg-ips-vnode',[],True) , + ('config','arg-config',TestMain.default_config,False) , + ('arch_rpms_url','arg-arch-rpms-url',"",None) , + ('personality','arg-personality',"linux64",None), + ('pldistro','arg-pldistro',"onelab",None), + ('fcdistro','arg-fcdistro','f14',None), + ('plcs_use_lxc','arg-plcs-use-lxc',False,None), ) : # print 'handling',recname path=filename is_list = isinstance(default,list) + is_bool = isinstance(default,bool) if not getattr(self.options,recname): try: parsed=file(path).readlines() - if not is_list: # strings + if is_list: # lists + parsed=[x.strip() for x in parsed] + else: # strings and booleans if len(parsed) != 1: print "%s - error when parsing %s"%(sys.argv[1],path) sys.exit(1) parsed=parsed[0].strip() - else: # lists - parsed=[x.strip() for x in parsed] + if is_bool: + parsed = parsed.lower()=='true' setattr(self.options,recname,parsed) except: if default != "": @@ -150,21 +257,36 @@ steps refer to a method in TestPlc or to a step_* module # save for next run fsave=open(path,"w") - if not is_list: - fsave.write(getattr(self.options,recname) + "\n") - else: + if is_list: # lists for value in getattr(self.options,recname): fsave.write(value + "\n") + else: # strings and booleans - just call str() + fsave.write(str(getattr(self.options,recname)) + "\n") fsave.close() # utils.header('Saved %s into %s'%(recname,filename)) # lists need be reversed - if isinstance(getattr(self.options,recname),list): + # I suspect this is useful for the various pools but for config, it's painful + if isinstance(getattr(self.options,recname),list) and need_reverse: getattr(self.options,recname).reverse() - if not self.options.quiet: + if self.options.verbose: utils.header('* Using %s = %s'%(recname,getattr(self.options,recname))) + # hack : if sfa is not among the published rpms, skip these tests + TestPlc.check_whether_build_has_sfa(self.options.arch_rpms_url) + + # no step specified + self.options.args = self.args + if len(self.args) == 0: + self.options.steps=TestPlc.default_steps + else: + self.options.steps = self.args + + if self.options.list_steps: + self.init_steps() + self.list_steps() + return True # steps if not self.options.steps: @@ -172,6 +294,13 @@ steps refer to a method in TestPlc or to a step_* module #self.options.steps=['dump','clean','install','populate'] self.options.steps=TestPlc.default_steps + # rewrite '-' into '_' in step names + self.options.steps = [ step.replace('-','_') for step in self.options.steps ] + self.options.exclude = [ step.replace('-','_') for step in self.options.exclude ] + self.options.ignore = [ step.replace('-','_') for step in self.options.ignore ] + + TestPlc.create_ignore_steps() + # exclude selected=[] for step in self.options.steps: @@ -181,6 +310,11 @@ steps refer to a method in TestPlc or to a step_* module keep=False break if keep: selected.append(step) + + # ignore + selected = [ step if step not in self.options.ignore else step+"_ignore" + for step in selected ] + self.options.steps=selected # this is useful when propagating on host boxes, to avoid conflicts @@ -200,87 +334,105 @@ steps refer to a method in TestPlc or to a step_* module traceback.print_exc() print 'Cannot load config %s -- ignored'%modulename raise - # remember plc IP address(es) if not specified - ips_plc_file=open('arg-ips-plc','w') + + # provision on local substrate + if self.options.plcs_use_lxc: LocalSubstrate.local_substrate.rescope (plcs_on_vs=False, plcs_on_lxc=True) + all_plc_specs = LocalSubstrate.local_substrate.provision(all_plc_specs,self.options) + + # remember substrate IP address(es) for next run + ips_bplc_file=open('arg-ips-bplc','w') + for plc_spec in all_plc_specs: + ips_bplc_file.write("%s\n"%plc_spec['host_box']) + ips_bplc_file.close() + ips_vplc_file=open('arg-ips-vplc','w') for plc_spec in all_plc_specs: - ips_plc_file.write("%s\n"%plc_spec['PLC_API_HOST']) - ips_plc_file.close() + ips_vplc_file.write("%s\n"%plc_spec['PLC_API_HOST']) + ips_vplc_file.close() # ditto for nodes - ips_node_file=open('arg-ips-node','w') + ips_bnode_file=open('arg-ips-bnode','w') for plc_spec in all_plc_specs: for site_spec in plc_spec['sites']: for node_spec in site_spec['nodes']: - ips_node_file.write("%s\n"%node_spec['node_fields']['hostname']) - ips_node_file.close() + ips_bnode_file.write("%s\n"%node_spec['host_box']) + ips_bnode_file.close() + ips_vnode_file=open('arg-ips-vnode','w') + for plc_spec in all_plc_specs: + for site_spec in plc_spec['sites']: + for node_spec in site_spec['nodes']: + # back to normal (unqualified) form + stripped=node_spec['node_fields']['hostname'].split('.')[0] + ips_vnode_file.write("%s\n"%stripped) + ips_vnode_file.close() + # build a TestPlc object from the result, passing options for spec in all_plc_specs: - spec['disabled'] = False + spec['failed_step'] = False all_plcs = [ (x, TestPlc(x,self.options)) for x in all_plc_specs] # pass options to utils as well utils.init_options(self.options) - overall_result = True - testplc_method_dict = __import__("TestPlc").__dict__['TestPlc'].__dict__ + overall_result = 'SUCCESS' all_step_infos=[] for step in self.options.steps: if not TestPlc.valid_step(step): continue + # some steps need to be done regardless of the previous ones: we force them force=False - # is it a forced step - if step.find("force_") == 0: - step=step.replace("force_","") + if step.endswith("_force"): + step=step.replace("_force","") force=True - # try and locate a method in TestPlc - if testplc_method_dict.has_key(step): - all_step_infos += [ (step, testplc_method_dict[step] , force)] - # otherwise search for the 'run' method in the step_ module - else: - modulename='step_'+step - try: - # locate all methods named run* in the module - module_dict = __import__(modulename).__dict__ - names = [ key for key in module_dict.keys() if key.find("run")==0 ] - if not names: - raise Exception,"No run* method in module %s"%modulename - names.sort() - all_step_infos += [ ("%s.%s"%(step,name),module_dict[name],force) for name in names ] - except : - print '********** step %s NOT FOUND -- ignored'%(step) - traceback.print_exc() - overall_result = False + # allow for steps to specify an index like in + # run checkslice@2 + try: (step,qualifier)=step.split('@') + except: qualifier=self.options.qualifier + + try: + stepobj = Step (step) + for (substep, method) in stepobj.tuples(): + # a cross step will run a method on TestPlc that has a signature like + # def cross_foo (self, all_test_plcs) + cross=False + if substep.find("cross_") == 0: + cross=True + all_step_infos.append ( (substep, method, force, cross, qualifier, ) ) + except : + utils.header("********** FAILED step %s (NOT FOUND) -- won't be run"%step) + traceback.print_exc() + overall_result = 'FAILURE' if self.options.dry_run: self.show_env(self.options,"Dry run") # init & open trace file if provided if self.options.trace_file and not self.options.dry_run: - time=strftime("%H-%M") - date=strftime("%Y-%m-%d") - trace_file=self.options.trace_file - trace_file=trace_file.replace("@TIME@",time) - trace_file=trace_file.replace("@DATE@",date) - self.options.trace_file=trace_file # create dir if needed - trace_dir=os.path.dirname(trace_file) + trace_dir=os.path.dirname(self.options.trace_file) if trace_dir and not os.path.isdir(trace_dir): os.makedirs(trace_dir) - trace=open(trace_file,"w") + trace=open(self.options.trace_file,"w") # do all steps on all plcs - TRACE_FORMAT="TRACE: time=%(time)s plc=%(plcname)s step=%(stepname)s status=%(status)s force=%(force)s\n" - for (stepname,method,force) in all_step_infos: - for (spec,obj) in all_plcs: + TIME_FORMAT="%H-%M-%S" + TRACE_FORMAT="TRACE: %(plc_counter)d %(beg)s->%(end)s status=%(status)s step=%(stepname)s plc=%(plcname)s force=%(force)s\n" + for (stepname,method,force,cross,qualifier) in all_step_infos: + plc_counter=0 + for (spec,plc_obj) in all_plcs: + plc_counter+=1 + # skip this step if we have specified a plc_explicit + if qualifier and plc_counter!=int(qualifier): continue + plcname=spec['name'] + across_plcs = [ o for (s,o) in all_plcs if o!=plc_obj ] # run the step - time=strftime("%Y-%m-%d-%H-%M") - if not spec['disabled'] or force or self.options.interactive: + beg=strftime(TIME_FORMAT) + if not spec['failed_step'] or force or self.options.interactive or self.options.keep_going: skip_step=False if self.options.interactive: prompting=True while prompting: - msg="Run step %s on %s [r](un)/d(ry_run)/s(kip)/q(uit) ? "%(stepname,plcname) + msg="%d Run step %s on %s [r](un)/d(ry_run)/p(roceed)/s(kip)/q(uit) ? "%(plc_counter,stepname,plcname) answer=raw_input(msg).strip().lower() or "r" answer=answer[0] if answer in ['s','n']: # skip/no/next @@ -293,66 +445,94 @@ steps refer to a method in TestPlc or to a step_* module elif answer in ['d']: # dry_run dry_run=self.options.dry_run self.options.dry_run=True - obj.options.dry_run=True - obj.apiserver.set_dry_run(True) - step_result=method(obj) + plc_obj.options.dry_run=True + plc_obj.apiserver.set_dry_run(True) + if not cross: step_result=method(plc_obj) + else: step_result=method(plc_obj,across_plcs) print 'dry_run step ->',step_result self.options.dry_run=dry_run - obj.options.dry_run=dry_run - obj.apiserver.set_dry_run(dry_run) + plc_obj.options.dry_run=dry_run + plc_obj.apiserver.set_dry_run(dry_run) + elif answer in ['p']: + # take it as a yes and leave interactive mode + prompting=False + self.options.interactive=False elif answer in ['r','y']: # run/yes prompting=False if skip_step: continue try: force_msg="" - if force: force_msg=" (forced)" - utils.header("********** RUNNING step %s%s on plc %s"%(stepname,force_msg,plcname)) - step_result = method(obj) - if step_result: - utils.header('********** SUCCESSFUL step %s on %s'%(stepname,plcname)) + if force and spec['failed_step']: force_msg=" (forced after %s has failed)"%spec['failed_step'] + utils.header("********** %d RUNNING step %s%s on plc %s"%(plc_counter,stepname,force_msg,plcname)) + if not cross: step_result = method(plc_obj) + else: step_result = method(plc_obj,across_plcs) + if isinstance (step_result,Ignored): + step_result=step_result.result + if step_result: + msg="OK" + else: + msg="KO" + overall_result='IGNORED' + utils.header('********** %d IGNORED (%s) step %s on %s'%(plc_counter,msg,stepname,plcname)) + status="%s[I]"%msg + elif step_result: + utils.header('********** %d SUCCESSFUL step %s on %s'%(plc_counter,stepname,plcname)) status="OK" else: - overall_result = False - spec['disabled'] = True - utils.header('********** FAILED Step %s on %s - discarding that plc from further steps'%(stepname,plcname)) + overall_result = 'FAILURE' + spec['failed_step'] = stepname + utils.header('********** %d FAILED Step %s on %s (discarded from further steps)'\ + %(plc_counter,stepname,plcname)) status="KO" except: - overall_result=False - spec['disabled'] = True + overall_result='FAILURE' + spec['failed_step'] = stepname traceback.print_exc() - utils.header ('********** FAILED (exception) Step %s on plc %s - discarding this plc from further steps'%(stepname,plcname)) + utils.header ('********** %d FAILED (exception) Step %s on %s (discarded from further steps)'\ + %(plc_counter,stepname,plcname)) status="KO" # do not run, just display it's skipped else: - utils.header("********** IGNORED Plc %s is disabled - skipping step %s"%(plcname,stepname)) + why="has failed %s"%spec['failed_step'] + utils.header("********** %d SKIPPED Step %s on %s (%s)"%(plc_counter,stepname,plcname,why)) status="UNDEF" if not self.options.dry_run: - # alwas do this on stdout + end=strftime(TIME_FORMAT) + # always do this on stdout print TRACE_FORMAT%locals() # duplicate on trace_file if provided if self.options.trace_file: trace.write(TRACE_FORMAT%locals()) + trace.flush() if self.options.trace_file and not self.options.dry_run: trace.close() + # free local substrate + LocalSubstrate.local_substrate.release(self.options) + return overall_result # wrapper to run, returns a shell-compatible result + # retcod: + # 0: SUCCESS + # 1: SUCCESS but some ignored steps failed + # 2: FAILED STEP + # 3: OTHER ERROR def main(self): try: success=self.run() - if success: - return 0 - else: - return 1 + if success == 'SUCCESS': return 0 + elif success == 'IGNORED': return 2 + else: return 1 except SystemExit: - raise + print 'Caught SystemExit' + return 3 except: traceback.print_exc() - return 2 + return 3 if __name__ == "__main__": sys.exit(TestMain().main())