Merged in The-Compiler/pylint/no-logilab-common (pull request #264)

[WIP] Get rid of logilab.common

3 files changed, 203 insertions, 4 deletions

diff --git a/pylint/pyreverse/diadefslib.py b/pylint/pyreverse/diadefslib.py
index 2c6d15b..0ef1465 100644
--- a/pylint/pyreverse/diadefslib.py
+++ b/pylint/pyreverse/diadefslib.py
@@ -16,7 +16,7 @@
 """handle diagram generation options for class diagram or default diagrams
 """
 
-from logilab.common.compat import builtins
+from six.moves import builtins
 
 import astroid
 
diff --git a/pylint/pyreverse/vcgutils.py b/pylint/pyreverse/vcgutils.py
new file mode 100644
index 0000000..256e649
--- /dev/null
+++ b/pylint/pyreverse/vcgutils.py
@@ -0,0 +1,200 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2008-2013 LOGILAB S.A. (Paris, FRANCE).
+# http://www.logilab.fr/ -- mailto:contact@logilab.fr
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# This file was copied from logilab-common with the same license:
+# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+
+"""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.
+"""
+
+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 ###############################################################
+
+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]
diff --git a/pylint/pyreverse/writer.py b/pylint/pyreverse/writer.py
index 8628a8c..48cbe4e 100644
--- a/pylint/pyreverse/writer.py
+++ b/pylint/pyreverse/writer.py
@@ -16,10 +16,9 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 """Utilities for creating VCG and Dot diagrams"""
 
-from logilab.common.vcgutils import VCGPrinter
-from logilab.common.graph import DotBackend
-
 from pylint.pyreverse.utils import is_exception
+from pylint.pyreverse.vcgutils import VCGPrinter
+from pylint.graph import DotBackend
 
 class DiagramWriter(object):
     """base class for writing project diagrams