diff options
| -rw-r--r-- | lib.py | 10 |
1 files changed, 8 insertions, 2 deletions
@@ -6,6 +6,7 @@ """Custom wrapping of pydot""" from os.path import extsep +from sys import stderr from pydot import Dot, Edge, Node, Subgraph REGISTRY = {} @@ -148,7 +149,8 @@ def xdot_graph(*args, **kwargs): try: import xdot except ImportError: - print 'missing xdot; use "pip install xdot" or equivalent' + print >>stderr, 'missing xdot; (currently) recommended way to grab it:' + print >>stderr, 'pip install --user https://github.com/jrfonseca/xdot.py/archive/master.zip' raise class LibDotWidget(xdot.DotWidget): @@ -262,7 +264,11 @@ def xdot_graph(*args, **kwargs): self._args = args self._kwargs = kwargs self._can_change = True - super(LibDotWindow, self).__init__(LibDotWidget()) + try: + super(LibDotWindow, self).__init__(LibDotWidget()) + except TypeError: + print >>stderr, "xdot too old, you won't get tooltips :-/" + super(LibDotWindow, self).__init__() dotcode = gen_graph(*args, **kwargs).to_string() title = dotcode[dotcode.find('digraph', 0, 512) + len('digraph') : |