def from_listable(cls, parent, key, listable=None):
"""
Build a MultipleTraverser by matching `key` against iter(parent)
"""
if listable is None:
listable = parent
log.debug("Building MultipleTraverser from key: {0}".format(key))
if "," in key:
# Assume list is provided
lst = key.split(",")
indexed_contexts = [((f, ), parent[f]) for f in lst]
slot_filler = getattr(parent, "slot_filler",
cls.default_slot_filler)
return cls.from_parent(parent,
key,
indexed_contexts,
slot_filler=slot_filler)
pattern = re.compile(fnmatch.translate(key))
match = pattern.match
indexed_contexts = [((f, ), parent[f]) for f in listable if match(f)]
slot_filler = getattr(parent, "slot_filler", cls.default_slot_filler)
return cls.from_parent(parent,
key,
indexed_contexts,
slot_filler=slot_filler)
def content(self):
# TODO(pwaller): Remove defunct raise/parentage
if self.format == "raise":
class UserThrow(RuntimeError):
pass
raise UserThrow("Stopping because you asked me to.")
log.debug("Rendering {0} from {1}".format(self.format, self))
params = self.params
params.update(self.request.params)
resolution = int(params.get("resolution", self.RESOLUTION_DEFAULT))
resolution = min(resolution, self.RESOLUTION_MAX)
rootformat = "eps"
if self.format == "pdf":
rootformat = "pdf"
with NamedTemporaryFile(suffix="." + rootformat) as tmpfile:
with self.canvas as canvas:
self.configure_canvas(params, canvas)
self.render(canvas)
canvas.Update()
try:
canvas.SaveAs(tmpfile.name)
except ROOTError as err:
if "illegal number of points" in err.msg:
log.warning('problem plotting canvas "%s", error from ROOT "%s"',
canvas.GetName(), err.msg)
else:
raise
log.info("RENDERING {0} -- {1}".format(self.format, rootformat))
if self.format == rootformat:
# No conversion necessary, ROOT did it directly.
# grab the file from disk
with open(tmpfile.name) as eps_fd:
content = eps_fd.read()
else:
# convert_eps releases the GIL by doing the work off-process.
# This is where the speed comes from.
content = convert_eps(tmpfile.name, resolution, self.format)
# print "Made EPS: {0:5.2f} content = {1:5.2f}".format(len(epsdata) /
# 1024., len(content) / 1024.)
extra_args = {}
if "attach" in params:
log.error("Attaching rendered image")
# Give the file a sensible name, rather than the last fragment
# of the URL which was visited.
extra_args.update(content_disposition=(
"Content-Disposition: attachment; filename={0};"
.format(self.filename)))
return Response(content,
content_type="image/{0}".format(self.format), **extra_args)
def canvas(self):
# We need a thread-specific name, otherwise if two canvases exist with the
# same name we can get a crash
with RootRenderer.global_canvas_lock:
# TODO(pwaller): Investigate removing this kludge now we have
# a global canvas lock
canvas_name = str(get_ident()) + str(randint(0, int(1e14)))
log.debug("Operating with canvas {0} ({1} alive)"
.format(canvas_name, len(R.gROOT.GetListOfCanvases())))
assert not R.gROOT.GetListOfCanvases().FindObject(canvas_name), (
"Canvas collision")
c = R.TCanvas(canvas_name)
# Rendering code gets run here.
yield c
# Make the canvas go away immediately.
# Don't wait for GC.
c.IsA().Destructor(c)
def canvas(self):
# We need a thread-specific name, otherwise if two canvases exist with the
# same name we can get a crash
with RootRenderer.global_canvas_lock:
# TODO(pwaller): Investigate removing this kludge now we have
# a global canvas lock
canvas_name = str(get_ident()) + str(randint(0, int(1e14)))
log.debug("Operating with canvas {0} ({1} alive)".format(
canvas_name, len(R.gROOT.GetListOfCanvases())))
assert not R.gROOT.GetListOfCanvases().FindObject(canvas_name), (
"Canvas collision")
c = R.TCanvas(canvas_name)
# Rendering code gets run here.
yield c
# Make the canvas go away immediately.
# Don't wait for GC.
c.IsA().Destructor(c)
def from_listable(cls, parent, key):
"""
Build a MultipleTraverser by matching `key` against iter(parent)
"""
log.debug("Building MultipleTraverser from key: {0}".format(key))
if "," in key:
# Assume list is provided
lst = key.split(",")
indexed_contexts = [((f,), parent[f]) for f in lst]
slot_filler = getattr(parent, "slot_filler", cls.default_slot_filler)
return cls.from_parent(parent, key, indexed_contexts, slot_filler=slot_filler)
pattern = re.compile(fnmatch.translate(key))
match = pattern.match
indexed_contexts = [((f,), parent[f]) for f in parent if match(f)]
slot_filler = getattr(parent, "slot_filler", cls.default_slot_filler)
return cls.from_parent(parent, key, indexed_contexts, slot_filler=slot_filler)
def __init__(self, request, stack, composition_type):
super(Combination, self).__init__(request)
self.stack = stack
self.composition_type = composition_type
# object_types =
# print "Object types:", object_types
# assert len(object_types) == 1, "Tried to combine objects of differen types?"
# stack_type = object_types.pop()
# if not issubclass(stack_type, Renderable):
# print "Can't combine:", stack_type
# raise NotImplementedError()
# return
# print "Combinable!", stack_type
if self.composition_type == "stack":
self.renderer = CombinationStackRenderer
if self.composition_type == "dual":
self.renderer = CombinationDualRenderer
if self.composition_type == "ebke":
self.renderer = EbkeCombinationStackRenderer
if self.composition_type == "eff":
self.renderer = CombinationEffRenderer
if self.composition_type == "diff":
self.renderer = CombinationDiffRenderer
if self.composition_type == "div":
self.renderer = CombinationDivRenderer
log.debug("Using renderer: {0}".format(self.renderer))
def __init__(self, request, stack, composition_type):
super(Combination, self).__init__(request)
self.stack = stack
self.composition_type = composition_type
# object_types =
# print "Object types:", object_types
# assert len(object_types) == 1, "Tried to combine objects of differen types?"
# stack_type = object_types.pop()
# if not issubclass(stack_type, Renderable):
# print "Can't combine:", stack_type
# raise NotImplementedError()
# return
# print "Combinable!", stack_type
if self.composition_type == "stack":
self.renderer = CombinationStackRenderer
if self.composition_type == "dual":
self.renderer = CombinationDualRenderer
if self.composition_type == "ebke":
self.renderer = EbkeCombinationStackRenderer
if self.composition_type == "eff":
self.renderer = CombinationEffRenderer
if self.composition_type == "diff":
self.renderer = CombinationDiffRenderer
if self.composition_type == "div":
self.renderer = CombinationDivRenderer
log.debug("Using renderer: {0}".format(self.renderer))
def renderer_view(context, request):
log.debug("renderer_view {0}".format(context))
return context.content
def __init__(self, request, resource_to_render, format, params=None):
super(Renderer, self).__init__(request)
log.debug("New {0} renderer {1}".format(format, resource_to_render))
self.resource_to_render = resource_to_render
self.format = format
self.params = params or {}
def renderer_view(context, request):
log.debug("renderer_view {0}".format(context))
return context.content
def content(self):
# TODO(pwaller): Remove defunct raise/parentage
if self.format == "raise":
class UserThrow(RuntimeError):
pass
raise UserThrow("Stopping because you asked me to.")
log.debug("Rendering {0} from {1}".format(self.format, self))
params = self.params
params.update(self.request.params)
resolution = int(params.get("resolution", self.RESOLUTION_DEFAULT))
resolution = min(resolution, self.RESOLUTION_MAX)
rootformat = "eps"
if self.format == "pdf":
rootformat = "pdf"
with NamedTemporaryFile(suffix="." + rootformat) as tmpfile:
with self.canvas as canvas:
self.configure_canvas(params, canvas)
self.render(canvas)
canvas.Update()
try:
canvas.SaveAs(tmpfile.name)
except ROOTError as err:
if "illegal number of points" in err.msg:
log.warning(
'problem plotting canvas "%s", error from ROOT "%s"',
canvas.GetName(), err.msg)
else:
raise
log.info("RENDERING {0} -- {1}".format(self.format, rootformat))
if self.format == rootformat:
# No conversion necessary, ROOT did it directly.
# grab the file from disk
with open(tmpfile.name) as eps_fd:
content = eps_fd.read()
else:
# convert_eps releases the GIL by doing the work off-process.
# This is where the speed comes from.
content = convert_eps(tmpfile.name, resolution, self.format)
# print "Made EPS: {0:5.2f} content = {1:5.2f}".format(len(epsdata) /
# 1024., len(content) / 1024.)
extra_args = {}
if "attach" in params:
log.error("Attaching rendered image")
# Give the file a sensible name, rather than the last fragment
# of the URL which was visited.
extra_args.update(content_disposition=(
"Content-Disposition: attachment; filename={0};".format(
self.filename)))
return Response(content,
content_type="image/{0}".format(self.format),
**extra_args)
def __init__(self, request, resource_to_render, format, params=None):
super(Renderer, self).__init__(request)
log.debug("New {0} renderer {1}".format(format, resource_to_render))
self.resource_to_render = resource_to_render
self.format = format
self.params = params or {}
def render(self, canvas):
params = self.request.params
names, histograms = zip(*self.resource_to_render.stack)
# print "Rendering stack with {0} histograms".format(len(histograms))
names = [n for n in names]
histograms = [h for h in histograms]
objs = [h.obj for h in histograms]
if "sum" in params:
hsum = objs[0].Clone("sum")
keepalive(canvas, hsum)
hsum.SetTitle("sum")
for h in objs[1:]:
hsum.Add(h)
names.append("sum")
objs.append(hsum)
colordict = {
"all": R.kBlue,
"signal": R.kGreen,
"fake": R.kRed,
}
cols = [R.kBlue, R.kRed, R.kGreen, R.kViolet, R.kAzure + 6, R.kOrange]
for name, obj, col in zip(names, objs, cols):
col = col + 1
# obj.SetTitle(""); obj.SetStats(False)
if name in colordict:
obj.SetLineColor(colordict[name])
else:
obj.SetLineColor(col)
obj.SetMarkerColor(col)
obj.SetLineWidth(2)
if "shape" in params:
for obj in objs:
if obj.Integral():
obj.Scale(1. / obj.Integral())
max_value = max(o.GetMaximum() for o in objs) * 1.1
min_value = min(o.GetMinimum() for o in objs)
if min_value != objs[0].GetMinimum():
old_minvalue = min_value
# Apply a correction to include a bit more than just the lower bound
min_value = min_value - (max_value - min_value) * 0.1
# If this takes us below zero but the old minimum value was close
# to zero, just use zero.
if min_value < 0 and abs(old_minvalue) < 1e-8:
min_value = 0
obj = objs[0] # .pop(0)
from root.histogram import build_draw_params
dp = "hist e0x0" # build_draw_params(obj, self.request.params, True)
obj.Draw(dp)
obj.SetMaximum(max_value)
# obj.SetMinimum(0)
for obj in objs[1:]:
obj.Draw(dp + " same")
logy = canvas.GetLogy()
canvas.SetLogy(False)
canvas.Update()
canvas_yrange = ymin, ymax = canvas.GetUymin(), canvas.GetUymax()
canvas.SetLogy(logy)
canvas.Update()
def line(x, yrange):
ymin, ymax = yrange
args = x, ymin, x, ymax
l = R.TLine(*args)
l.SetLineWidth(3)
l.SetLineStyle(2)
l.Draw()
keepalive(canvas, l)
# Draw cuts
slot = self.request.params.get("slot", None)
if not slot:
# Determine slot from path
for p in lineage(self):
if p.__name__ in cuts:
slot = p.__name__
if slot:
for x, yrange in zip(cuts[slot], zip(etabins, etabins[1:])):
if canvas.GetUxmin() < x < canvas.GetUxmax():
line(x,
canvas_yrange if obj.GetDimension() != 2 else yrange)
if self.request.params.get("legend", None) is not None:
log.debug("Drawing legend: {0}".format(objs))
for n, o in zip(names, objs):
o.SetTitle(n)
legend = get_legend(mc=objs)
legend.Draw()
def render(self, canvas):
params = self.request.params
names, histograms = zip(*self.resource_to_render.stack)
# print "Rendering stack with {0} histograms".format(len(histograms))
names = [n for n in names]
histograms = [h for h in histograms]
objs = [h.obj for h in histograms]
if "sum" in params:
hsum = objs[0].Clone("sum")
keepalive(canvas, hsum)
hsum.SetTitle("sum")
for h in objs[1:]:
hsum.Add(h)
names.append("sum")
objs.append(hsum)
colordict = {
"all": R.kBlue,
"signal": R.kGreen,
"fake": R.kRed,
}
cols = [R.kBlue, R.kRed, R.kGreen, R.kViolet, R.kAzure + 6, R.kOrange]
for name, obj, col in zip(names, objs, cols):
col = col + 1
# obj.SetTitle(""); obj.SetStats(False)
if name in colordict:
obj.SetLineColor(colordict[name])
else:
obj.SetLineColor(col)
obj.SetMarkerColor(col)
obj.SetLineWidth(2)
if "shape" in params:
for obj in objs:
if obj.Integral():
obj.Scale(1. / obj.Integral())
max_value = max(o.GetMaximum() for o in objs) * 1.1
min_value = min(o.GetMinimum() for o in objs)
if min_value != objs[0].GetMinimum():
old_minvalue = min_value
# Apply a correction to include a bit more than just the lower bound
min_value = min_value - (max_value - min_value) * 0.1
# If this takes us below zero but the old minimum value was close
# to zero, just use zero.
if min_value < 0 and abs(old_minvalue) < 1e-8:
min_value = 0
obj = objs[0] # .pop(0)
from root.histogram import build_draw_params
dp = "hist e0x0" # build_draw_params(obj, self.request.params, True)
obj.Draw(dp)
obj.SetMaximum(max_value)
# obj.SetMinimum(0)
for obj in objs[1:]:
obj.Draw(dp + " same")
logy = canvas.GetLogy()
canvas.SetLogy(False)
canvas.Update()
canvas_yrange = ymin, ymax = canvas.GetUymin(), canvas.GetUymax()
canvas.SetLogy(logy)
canvas.Update()
def line(x, yrange):
ymin, ymax = yrange
args = x, ymin, x, ymax
l = R.TLine(*args)
l.SetLineWidth(3)
l.SetLineStyle(2)
l.Draw()
keepalive(canvas, l)
# Draw cuts
slot = self.request.params.get("slot", None)
if not slot:
# Determine slot from path
for p in lineage(self):
if p.__name__ in cuts:
slot = p.__name__
if slot:
for x, yrange in zip(cuts[slot], zip(etabins, etabins[1:])):
if canvas.GetUxmin() < x < canvas.GetUxmax():
line(x, canvas_yrange if obj.GetDimension() != 2 else yrange)
if self.request.params.get("legend", None) is not None:
log.debug("Drawing legend: {0}".format(objs))
for n, o in zip(names, objs):
o.SetTitle(n)
legend = get_legend(mc=objs)
legend.Draw()
