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Color graph edges.

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This commit is contained in:
Todd Gamblin
2014-12-31 14:55:35 -08:00
parent dba5d020cd
commit 478af54cce
1 changed files with 42 additions and 21 deletions
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63
lib/spack/spack/spec.py
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@@ -1342,6 +1342,16 @@ def graph(self, **kwargs):
# Fast access to nodes in the spec.
nodes = clone.index()
# Colors associated with each node in the DAG.
# Edges are colored by the node they point to.
all_colors = 'rgbmcyRGBMCY'
colors = dict((name, all_colors[i % len(all_colors)])
for i, name in enumerate(topo_order))
def write_edge(string, index, sub=0):
edge = "@%s{%s}" % (colors[frontier[index][sub]], string)
out.write(edge)
frontier = []
def ordered_deps(node):
@@ -1363,29 +1373,30 @@ def back_edge(prev_ends, end, start, collapse, label=None):
f = len(frontier)
self._pos = 0
def advance(to, fun):
for i in range(advance.pos, to):
for i in range(self._pos, to):
fun()
advance.pos += 1
advance.pos = 0
self._pos += 1
for p in prev_ends:
advance(p, lambda: out.write("| "))
advance(p+1, lambda: out.write("|/"))
advance(p, lambda: write_edge("| ", self._pos))
advance(p+1, lambda: write_edge("|/", self._pos))
if end >= 0:
advance(end + 1, lambda: out.write("| "))
advance(start - 1, lambda: out.write("|_"))
advance(end + 1, lambda: write_edge("| ", self._pos))
advance(start - 1, lambda: (write_edge("|", self._pos) or
write_edge("_", end)))
else:
advance(start - 1, lambda: out.write("| "))
advance(start - 1, lambda: write_edge("| ", self._pos))
if start >= 0:
advance(start, lambda: out.write("|/"))
advance(start, lambda: (write_edge("|", self._pos) or
write_edge("/", end)))
if collapse:
advance(len(frontier), lambda: out.write(" /"))
advance(len(frontier), lambda: write_edge(" /", self._pos))
else:
advance(len(frontier), lambda: out.write("| "))
advance(len(frontier), lambda: write_edge("| ", self._pos))
if debug:
out.write(" " * 10)
@@ -1462,11 +1473,11 @@ def find(seq, predicate):
prev_ends = []
for j, (b, d) in enumerate(back):
frontier[i].remove(d)
if i-b > 1:
back_edge(prev_ends, b, i, False)
del prev_ends[:]
prev_ends.append(b)
frontier[i].remove(d)
back_edge(prev_ends, -1, -1, False)
if not frontier[i]:
@@ -1475,8 +1486,9 @@ def find(seq, predicate):
elif len(frontier[i]) > 1:
# Expand forawrd after doing all back connections
out.write(indent)
out.write("| " * i)
out.write("|\\")
for c in range(i):
write_edge("| ", c)
write_edge("|", i)
if (i+1 < len(frontier) and len(frontier[i+1]) == 1
and frontier[i+1][0] in frontier[i]):
@@ -1485,14 +1497,19 @@ def find(seq, predicate):
# avoiding immediate expand/contract.
name = frontier[i+1][0]
frontier[i].remove(name)
out.write("| " * (len(frontier) - i - 1))
write_edge("\\", i+1)
for c in range(i+1, len(frontier)):
write_edge("| ", c )
out.write("\n")
else:
# Just allow the expansion here.
name = frontier[i].pop(0)
deps = [name]
out.write(" \\" * (len(frontier) - i - 1))
write_edge("\\", i)
for c in range(i+1, len(frontier)):
write_edge(" \\", c)
out.write("\n")
connect_deps(i, deps, True, "expansion")
@@ -1518,17 +1535,21 @@ def find(seq, predicate):
frontier.pop(i)
out.write(indent)
out.write("| " * i)
for c in range(i):
write_edge("| ", c)
out.write("%s " % N)
out.write("| " * (len(frontier) - i))
for c in range(i, len(frontier)):
write_edge("| ", c)
out.write(" %s\n" % name)
if node.dependencies:
add_deps_to_frontier(node, i)
elif frontier:
out.write(indent)
out.write("| " * i)
out.write(" /" * (len(frontier) - i))
for c in range(i):
write_edge("| ", c)
for c in range(i, len(frontier)):
write_edge(" /", c)
out.write("\n")