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Reduce complexity of sort_service_dicts.

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Signed-off-by: Daniel Nephin <dnephin@docker.com>
This commit is contained in:
Daniel Nephin 2015-11-27 13:26:15 -05:00
parent 84a1822e40
commit cdda616d6b
2 changed files with 20 additions and 17 deletions
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35
compose/config/sort_services.py
View File

@ -23,28 +23,31 @@ def get_source_name_from_network_mode(network_mode, source_type):
return net_name
def get_service_names(links):
return [link.split(':')[0] for link in links]
def get_service_names_from_volumes_from(volumes_from):
return [volume_from.source for volume_from in volumes_from]
def get_service_dependents(service_dict, services):
name = service_dict['name']
return [
service for service in services
if (name in get_service_names(service.get('links', [])) or
name in get_service_names_from_volumes_from(service.get('volumes_from', [])) or
name == get_service_name_from_network_mode(service.get('network_mode')) or
name in service.get('depends_on', []))
]
def sort_service_dicts(services):
# Topological sort (Cormen/Tarjan algorithm).
unmarked = services[:]
temporary_marked = set()
sorted_services = []
def get_service_names(links):
return [link.split(':')[0] for link in links]
def get_service_names_from_volumes_from(volumes_from):
return [volume_from.source for volume_from in volumes_from]
def get_service_dependents(service_dict, services):
name = service_dict['name']
return [
service for service in services
if (name in get_service_names(service.get('links', [])) or
name in get_service_names_from_volumes_from(service.get('volumes_from', [])) or
name == get_service_name_from_network_mode(service.get('network_mode')) or
name in service.get('depends_on', []))
]
def visit(n):
if n['name'] in temporary_marked:
if n['name'] in get_service_names(n.get('links', [])):

2
tox.ini
View File

@ -45,7 +45,7 @@ directory = coverage-html
# Allow really long lines for now
max-line-length = 140
# Set this high for now
max-complexity = 12
max-complexity = 11
exclude = compose/packages
[pytest]