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Unified Diff: third_party/logilab/logilab/common/vcgutils.py

Issue 1920403002: [content/test/gpu] Run pylint check of gpu tests in unittest instead of PRESUBMIT (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Update path to LICENSE.txt of logilab/README.chromium Created 4 years, 7 months ago
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Index: third_party/logilab/logilab/common/vcgutils.py
diff --git a/third_party/logilab/logilab/common/vcgutils.py b/third_party/logilab/logilab/common/vcgutils.py
new file mode 100644
index 0000000000000000000000000000000000000000..9cd2acda0cd732d61509cfd78b7db400a5e82273
--- /dev/null
+++ b/third_party/logilab/logilab/common/vcgutils.py
@@ -0,0 +1,216 @@
+# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+#
+# This file is part of logilab-common.
+#
+# logilab-common is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation, either version 2.1 of the License, or (at your option) any
+# later version.
+#
+# logilab-common is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with logilab-common. If not, see <http://www.gnu.org/licenses/>.
+"""Functions to generate files readable with Georg Sander's vcg
+(Visualization of Compiler Graphs).
+
+You can download vcg at http://rw4.cs.uni-sb.de/~sander/html/gshome.html
+Note that vcg exists as a debian package.
+
+See vcg's documentation for explanation about the different values that
+maybe used for the functions parameters.
+
+
+
+
+"""
+__docformat__ = "restructuredtext en"
+
+import string
+
+ATTRS_VAL = {
+ 'algos': ('dfs', 'tree', 'minbackward',
+ 'left_to_right', 'right_to_left',
+ 'top_to_bottom', 'bottom_to_top',
+ 'maxdepth', 'maxdepthslow', 'mindepth', 'mindepthslow',
+ 'mindegree', 'minindegree', 'minoutdegree',
+ 'maxdegree', 'maxindegree', 'maxoutdegree'),
+ 'booleans': ('yes', 'no'),
+ 'colors': ('black', 'white', 'blue', 'red', 'green', 'yellow',
+ 'magenta', 'lightgrey',
+ 'cyan', 'darkgrey', 'darkblue', 'darkred', 'darkgreen',
+ 'darkyellow', 'darkmagenta', 'darkcyan', 'gold',
+ 'lightblue', 'lightred', 'lightgreen', 'lightyellow',
+ 'lightmagenta', 'lightcyan', 'lilac', 'turquoise',
+ 'aquamarine', 'khaki', 'purple', 'yellowgreen', 'pink',
+ 'orange', 'orchid'),
+ 'shapes': ('box', 'ellipse', 'rhomb', 'triangle'),
+ 'textmodes': ('center', 'left_justify', 'right_justify'),
+ 'arrowstyles': ('solid', 'line', 'none'),
+ 'linestyles': ('continuous', 'dashed', 'dotted', 'invisible'),
+ }
+
+# meaning of possible values:
+# O -> string
+# 1 -> int
+# list -> value in list
+GRAPH_ATTRS = {
+ 'title': 0,
+ 'label': 0,
+ 'color': ATTRS_VAL['colors'],
+ 'textcolor': ATTRS_VAL['colors'],
+ 'bordercolor': ATTRS_VAL['colors'],
+ 'width': 1,
+ 'height': 1,
+ 'borderwidth': 1,
+ 'textmode': ATTRS_VAL['textmodes'],
+ 'shape': ATTRS_VAL['shapes'],
+ 'shrink': 1,
+ 'stretch': 1,
+ 'orientation': ATTRS_VAL['algos'],
+ 'vertical_order': 1,
+ 'horizontal_order': 1,
+ 'xspace': 1,
+ 'yspace': 1,
+ 'layoutalgorithm': ATTRS_VAL['algos'],
+ 'late_edge_labels': ATTRS_VAL['booleans'],
+ 'display_edge_labels': ATTRS_VAL['booleans'],
+ 'dirty_edge_labels': ATTRS_VAL['booleans'],
+ 'finetuning': ATTRS_VAL['booleans'],
+ 'manhattan_edges': ATTRS_VAL['booleans'],
+ 'smanhattan_edges': ATTRS_VAL['booleans'],
+ 'port_sharing': ATTRS_VAL['booleans'],
+ 'edges': ATTRS_VAL['booleans'],
+ 'nodes': ATTRS_VAL['booleans'],
+ 'splines': ATTRS_VAL['booleans'],
+ }
+NODE_ATTRS = {
+ 'title': 0,
+ 'label': 0,
+ 'color': ATTRS_VAL['colors'],
+ 'textcolor': ATTRS_VAL['colors'],
+ 'bordercolor': ATTRS_VAL['colors'],
+ 'width': 1,
+ 'height': 1,
+ 'borderwidth': 1,
+ 'textmode': ATTRS_VAL['textmodes'],
+ 'shape': ATTRS_VAL['shapes'],
+ 'shrink': 1,
+ 'stretch': 1,
+ 'vertical_order': 1,
+ 'horizontal_order': 1,
+ }
+EDGE_ATTRS = {
+ 'sourcename': 0,
+ 'targetname': 0,
+ 'label': 0,
+ 'linestyle': ATTRS_VAL['linestyles'],
+ 'class': 1,
+ 'thickness': 0,
+ 'color': ATTRS_VAL['colors'],
+ 'textcolor': ATTRS_VAL['colors'],
+ 'arrowcolor': ATTRS_VAL['colors'],
+ 'backarrowcolor': ATTRS_VAL['colors'],
+ 'arrowsize': 1,
+ 'backarrowsize': 1,
+ 'arrowstyle': ATTRS_VAL['arrowstyles'],
+ 'backarrowstyle': ATTRS_VAL['arrowstyles'],
+ 'textmode': ATTRS_VAL['textmodes'],
+ 'priority': 1,
+ 'anchor': 1,
+ 'horizontal_order': 1,
+ }
+
+
+# Misc utilities ###############################################################
+
+def latin_to_vcg(st):
+ """Convert latin characters using vcg escape sequence.
+ """
+ for char in st:
+ if char not in string.ascii_letters:
+ try:
+ num = ord(char)
+ if num >= 192:
+ st = st.replace(char, r'\fi%d'%ord(char))
+ except:
+ pass
+ return st
+
+
+class VCGPrinter:
+ """A vcg graph writer.
+ """
+
+ def __init__(self, output_stream):
+ self._stream = output_stream
+ self._indent = ''
+
+ def open_graph(self, **args):
+ """open a vcg graph
+ """
+ self._stream.write('%sgraph:{\n'%self._indent)
+ self._inc_indent()
+ self._write_attributes(GRAPH_ATTRS, **args)
+
+ def close_graph(self):
+ """close a vcg graph
+ """
+ self._dec_indent()
+ self._stream.write('%s}\n'%self._indent)
+
+
+ def node(self, title, **args):
+ """draw a node
+ """
+ self._stream.write('%snode: {title:"%s"' % (self._indent, title))
+ self._write_attributes(NODE_ATTRS, **args)
+ self._stream.write('}\n')
+
+
+ def edge(self, from_node, to_node, edge_type='', **args):
+ """draw an edge from a node to another.
+ """
+ self._stream.write(
+ '%s%sedge: {sourcename:"%s" targetname:"%s"' % (
+ self._indent, edge_type, from_node, to_node))
+ self._write_attributes(EDGE_ATTRS, **args)
+ self._stream.write('}\n')
+
+
+ # private ##################################################################
+
+ def _write_attributes(self, attributes_dict, **args):
+ """write graph, node or edge attributes
+ """
+ for key, value in args.items():
+ try:
+ _type = attributes_dict[key]
+ except KeyError:
+ raise Exception('''no such attribute %s
+possible attributes are %s''' % (key, attributes_dict.keys()))
+
+ if not _type:
+ self._stream.write('%s%s:"%s"\n' % (self._indent, key, value))
+ elif _type == 1:
+ self._stream.write('%s%s:%s\n' % (self._indent, key,
+ int(value)))
+ elif value in _type:
+ self._stream.write('%s%s:%s\n' % (self._indent, key, value))
+ else:
+ raise Exception('''value %s isn\'t correct for attribute %s
+correct values are %s''' % (value, key, _type))
+
+ def _inc_indent(self):
+ """increment indentation
+ """
+ self._indent = ' %s' % self._indent
+
+ def _dec_indent(self):
+ """decrement indentation
+ """
+ self._indent = self._indent[:-2]
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