Rename "service collection" to "project"

plum/project.py

@@ -0,0 +1,68 @@
+from .service import Service
+
+def sort_service_dicts(services):
+    # Sort in dependency order
+    def cmp(x, y):
+        x_deps_y = y['name'] in x.get('links', [])
+        y_deps_x = x['name'] in y.get('links', [])
+        if x_deps_y and not y_deps_x:
+            return 1
+        elif y_deps_x and not x_deps_y:
+            return -1
+        return 0
+    return sorted(services, cmp=cmp)
+
+class Project(object):
+    """
+    A collection of services.
+    """
+    def __init__(self, name, services, client):
+        self.name = name
+        self.services = services
+        self.client = client
+
+    @classmethod
+    def from_dicts(cls, name, service_dicts, client):
+        """
+        Construct a ServiceCollection from a list of dicts representing services.
+        """
+        project = cls(name, [], client)
+        for service_dict in sort_service_dicts(service_dicts):
+            # Reference links by object
+            links = []
+            if 'links' in service_dict:
+                for name in service_dict.get('links', []):
+                    links.append(project.get_service(name))
+                del service_dict['links']
+            project.services.append(Service(client=client, project=name, links=links, **service_dict))
+        return project
+
+    @classmethod
+    def from_config(cls, name, config, client):
+        dicts = []
+        for name, service in config.items():
+            service['name'] = name
+            dicts.append(service)
+        return cls.from_dicts(name, dicts, client)
+
+    def get_service(self, name):
+        for service in self.services:
+            if service.name == name:
+                return service
+
+    def start(self):
+        for service in self.services:
+            service.start()
+
+    def stop(self):
+        for service in self.services:
+            service.stop()
+
+    def containers(self, *args, **kwargs):
+        l = []
+        for service in self.services:
+            for container in service.containers(*args, **kwargs):
+                l.append(container)
+        return l
+
+