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Fix issue with some SVG symbols that could not be used in GNS3.

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This was due to the height and width values being percentages.
This commit is contained in:
grossmj 2018-06-06 16:32:51 +07:00
parent 19c5ff8521
commit fd5df0052a
2 changed files with 14 additions and 6 deletions
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6
gns3server/controller/node.py
View File

@ -239,6 +239,7 @@ class Node:
@symbol.setter
def symbol(self, val):
if val is None:
val = ":/symbols/computer.svg"
@ -252,8 +253,9 @@ class Node:
self._symbol = val
try:
self._width, self._height, filetype = self._project.controller.symbols.get_size(val)
# If symbol is invalid we replace it by default
except (ValueError, OSError):
except (ValueError, OSError) as e:
log.error("Could not write symbol: {}".format(e))
# If symbol is invalid we replace it by the default
self.symbol = ":/symbols/computer.svg"
if self._label is None:
# Apply to label user style or default

14
gns3server/utils/picture.py
View File

@ -103,10 +103,16 @@ def get_size(data, default_width=0, default_height=0):
root = tree.getroot()
try:
width = _svg_convert_size(root.attrib.get("width", "0"))
height = _svg_convert_size(root.attrib.get("height", "0"))
except IndexError:
raise ValueError("Invalid SVG file")
width_attr = root.attrib.get("width", "0")
height_attr = root.attrib.get("height", "0")
if width_attr.endswith("%") or height_attr.endswith("%"):
# check to viewBox attribute if width or height value is a percentage
_, _, width_attr, height_attr = root.attrib.get("viewBox").split()
else:
width = _svg_convert_size(width_attr)
height = _svg_convert_size(height_attr)
except (AttributeError, IndexError) as e:
raise ValueError("Invalid SVG file: {}".format(e))
return width, height, filetype