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package.py : workaround for a known bug that was not fixed in python 2.6

Browse Source 
https://bugs.python.org/issue1515
This commit is contained in:
alalazo 2016-07-13 11:08:19 +02:00
parent 5cc59507f7
commit 468a6431f9
1 changed files with 12 additions and 2 deletions
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14
lib/spack/spack/package.py
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@ -120,6 +120,17 @@ def _on_phase_exit(self, instance):
if getattr(instance, 'last_phase', None) == self.name: if getattr(instance, 'last_phase', None) == self.name:
raise StopIteration('Stopping at \'{0}\' phase'.format(self.name)) raise StopIteration('Stopping at \'{0}\' phase'.format(self.name))
def copy(self):
try:
return copy.deepcopy(self)
except TypeError:
# This bug-fix was not back-ported in Python 2.6
# http://bugs.python.org/issue1515
other = InstallPhase(self.name)
other.preconditions.extend(self.preconditions)
other.sanity_checks.extend(self.sanity_checks)
return other
class PackageMeta(type): class PackageMeta(type):
"""Conveniently transforms attributes to permit extensible phases """Conveniently transforms attributes to permit extensible phases
@ -156,7 +167,7 @@ def _append_checks(check_name):
# and extend # and extend
for base in bases: for base in bases:
phase = getattr(base, PackageMeta.phase_fmt.format(phase_name), None) phase = getattr(base, PackageMeta.phase_fmt.format(phase_name), None)
attr_dict[PackageMeta.phase_fmt.format(phase_name)] = copy.deepcopy(phase) attr_dict[PackageMeta.phase_fmt.format(phase_name)] = phase.copy()
phase = attr_dict[PackageMeta.phase_fmt.format(phase_name)] phase = attr_dict[PackageMeta.phase_fmt.format(phase_name)]
getattr(phase, check_name).extend(funcs) getattr(phase, check_name).extend(funcs)
# Clear the attribute for the next class # Clear the attribute for the next class
@ -901,7 +912,6 @@ def do_fetch(self, mirror_only=False):
self.stage.cache_local() self.stage.cache_local()
def do_stage(self, mirror_only=False): def do_stage(self, mirror_only=False):
"""Unpacks the fetched tarball, then changes into the expanded tarball """Unpacks the fetched tarball, then changes into the expanded tarball
directory.""" directory."""