diff options
Diffstat (limited to 'logilab/common/vcgutils.py')
| -rw-r--r-- | logilab/common/vcgutils.py | 251 |
1 files changed, 147 insertions, 104 deletions
diff --git a/logilab/common/vcgutils.py b/logilab/common/vcgutils.py index 9cd2acd..cd2b73a 100644 --- a/logilab/common/vcgutils.py +++ b/logilab/common/vcgutils.py @@ -33,101 +33,141 @@ __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'), - } + "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'], - } + "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, - } + "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, - } + "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. """ @@ -136,7 +176,7 @@ def latin_to_vcg(st): try: num = ord(char) if num >= 192: - st = st.replace(char, r'\fi%d'%ord(char)) + st = st.replace(char, r"\fi%d" % ord(char)) except: pass return st @@ -148,12 +188,12 @@ class VCGPrinter: def __init__(self, output_stream): self._stream = output_stream - self._indent = '' + self._indent = "" def open_graph(self, **args): """open a vcg graph """ - self._stream.write('%sgraph:{\n'%self._indent) + self._stream.write("%sgraph:{\n" % self._indent) self._inc_indent() self._write_attributes(GRAPH_ATTRS, **args) @@ -161,26 +201,24 @@ class VCGPrinter: """close a vcg graph """ self._dec_indent() - self._stream.write('%s}\n'%self._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') + self._stream.write("}\n") - - def edge(self, from_node, to_node, edge_type='', **args): + 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)) + '%s%sedge: {sourcename:"%s" targetname:"%s"' + % (self._indent, edge_type, from_node, to_node) + ) self._write_attributes(EDGE_ATTRS, **args) - self._stream.write('}\n') - + self._stream.write("}\n") # private ################################################################## @@ -189,26 +227,31 @@ class VCGPrinter: """ for key, value in args.items(): try: - _type = attributes_dict[key] + _type = attributes_dict[key] except KeyError: - raise Exception('''no such attribute %s -possible attributes are %s''' % (key, attributes_dict.keys())) + 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))) + 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)) + 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)) + 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 + self._indent = " %s" % self._indent def _dec_indent(self): """decrement indentation |