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vertices=vertices,
edges=edges,
heads=heads,
tails=tails,
)"
1541,"def from_edge_pairs(cls, vertices, edge_pairs):
""""""
Create a DirectedGraph from a collection of vertices
and a collection of pairs giving links between the vertices.
""""""
vertices = set(vertices)
edges = set()
heads = {}
tails = {}
# Number the edges arbitrarily.
edge_identifier = itertools.count()
for tail, head in edge_pairs:
edge = next(edge_identifier)
edges.add(edge)
heads[edge] = head
tails[edge] = tail
return cls._raw(
vertices=vertices,
edges=edges,
heads=heads,
tails=tails,
)"
1542,"def annotated(self):
""""""
Return an AnnotatedGraph with the same structure
as this graph.
""""""
annotated_vertices = {
vertex: AnnotatedVertex(
id=vertex_id,
annotation=six.text_type(vertex),
)
for vertex_id, vertex in zip(itertools.count(), self.vertices)
}
annotated_edges = [
AnnotatedEdge(
id=edge_id,
annotation=six.text_type(edge),
head=annotated_vertices[self.head(edge)].id,
tail=annotated_vertices[self.tail(edge)].id,
)
for edge_id, edge in zip(itertools.count(), self.edges)
]
return AnnotatedGraph(
vertices=annotated_vertices.values(),
edges=annotated_edges,
)"
1543,"def execute_command(working_dir, cmd, env_dict):
""""""
execute_command: run the command provided in the working dir
specified adding the env_dict settings to the
execution environment
:param working_dir: path to directory to execute command
also gets added to the PATH
:param cmd: Shell command to execute
:param env_dict: dictionary of additional env vars to
be passed to the subprocess environment
""""""
proc_env = os.environ.copy()
proc_env[""PATH""] = ""{}:{}:."".format(proc_env[""PATH""], working_dir)
proc_env.update(env_dict)
proc = subprocess.Popen(
cmd,
cwd=working_dir,
env=proc_env,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
status = proc.wait()
stdout, stderr = proc.communicate()
if status:
msg = (
""Non zero {} exit from command {}\n""
""Stdout: {}\n""
""Stderr: {}\n""
).format(status, cmd, stdout, stderr)
LOGGER.error(msg)
raise RuntimeError(msg)
LOGGER.info(stdout)"
1544,"def load(self):
""""""
read dotfile and populate self
opts will override the dotfile settings,
make sure everything is synced in both
opts and this object