#?-*-?coding:?Latin-1?-*-
“““Graphviz‘s?dot?language?parser.

The?dotparser?parses?graphviz?files?in?dot?and?dot?files?and?transforms?them
into?a?class?representation?defined?by?pydot.

The?module?needs?pyparsing?（tested?with?version?1.2.2）?and?pydot

Author:?Michael?Krause?
Fixes?by:?Ero?Carrera?
“““

__author__?=?[‘Michael?Krause‘?‘Ero?Carrera‘]
__license__?=?‘MIT‘


import?sys
import?glob
import?pydot
import?re
import?codecs

from?pyparsing?import?__version__?as?pyparsing_version

from?pyparsing?import?（?nestedExpr?Literal?CaselessLiteral?Word?OneOrMore?ZeroOrMore
????Forward?NotAny?delimitedList?oneOf?Group?Optional?Combine?alphas?nums
????restOfLine?cstyleComment?nums?alphanums?printables?empty?quotedString
????ParseException?ParseResults?CharsNotIn?dblQuotedString?QuotedString?ParserElement?）


class?P_AttrList:

????def?__init__（self?toks）:

????????self.attrs?=?{}
????????i?=?0

????????while?i?????????????attrname?=?toks[i]
????????????if?i+2?????????????????attrvalue?=?toks[i+2]
????????????????i?+=?3
????????????else:
????????????????attrvalue?=?None
????????????????i?+=?1

????????????self.attrs[attrname]?=?attrvalue


????def?__repr__（self）:

????????return?“%s（%r）“?%?（self.__class__.__name__?self.attrs）



class?DefaultStatement（P_AttrList）:

????def?__init__（self?default_type?attrs）:

????????self.default_type?=?default_type
????????self.attrs?=?attrs

????def?__repr__（self）:

????????return?“%s（%s?%r）“?%?（self.__class__.__name__
????????????self.default_type?self.attrs）


top_graphs?=?list（）

def?push_top_graph_stmt（str?loc?toks）:

????attrs?=?{}
????g?=?None

????for?element?in?toks:

????????if（?isinstance（element?（ParseResults?tuple?list））?and
????????????len（element）?==?1?and?isinstance（element[0]?basestring）?）:

????????????element?=?element[0]

????????if?element?==?‘strict‘:
????????????attrs[‘strict‘]?=?True

????????elif?element?in?[‘graph‘?‘digraph‘]:

????????????attrs?=?{}

????????????g?=?pydot.Dot（graph_type=element?**attrs）
????????????attrs[‘type‘]?=?element

????????????top_graphs.append（?g?）

????????elif?isinstance（?element?basestring）:
????????????g.set_name（?element?）

????????elif?isinstance（element?pydot.Subgraph）:

????????????g.obj_dict[‘attributes‘].update（?element.obj_dict[‘attributes‘]?）
????????????g.obj_dict[‘edges‘].update（?element.obj_dict[‘edges‘]?）
????????????g.obj_dict[‘nodes‘].update（?element.obj_dict[‘nodes‘]?）
????????????g.obj_dict[‘subgraphs‘].update（?element.obj_dict[‘subgraphs‘]?）

????????????g.set_parent_graph（g）

????????elif?isinstance（element?P_AttrList）:
????????????attrs.update（element.attrs）

????????elif?isinstance（element?（ParseResults?list））:
????????????add_elements（g?element）

????????else:
????????????raise?ValueError?“Unknown?element?statement:?%r?“?%?element


????for?g?in?top_graphs:
????????update_parent_graph_hierarchy（g）

????if?le

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-05-24?01:32??pydot-1.1.0\
?????文件??????????90??2016-05-24?01:32??pydot-1.1.0\.gitattributes
?????文件?????????170??2016-05-24?01:32??pydot-1.1.0\.gitignore
?????文件????????1861??2016-05-24?01:32??pydot-1.1.0\ChangeLog
?????文件????????1125??2016-05-24?01:32??pydot-1.1.0\LICENSE
?????文件??????????50??2016-05-24?01:32??pydot-1.1.0\MANIFEST.in
?????文件?????????639??2016-05-24?01:32??pydot-1.1.0\README
?????文件???????14396??2016-05-24?01:32??pydot-1.1.0\dot_parser.py
?????文件???????57526??2016-05-24?01:32??pydot-1.1.0\pydot.py
?????文件????????1191??2016-05-24?01:32??pydot-1.1.0\setup.py
?????目錄???????????0??2016-05-24?01:32??pydot-1.1.0\test\
?????目錄???????????0??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\
?????文件????????3998??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\AI.png
?????文件????????8305??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Agents.png
?????文件????????5007??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Automata.png
?????文件????????8899??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Berners_Lee.png
?????文件???????11775??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Biology.png
?????文件????????4830??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Chaos.png
?????文件???????10328??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Computers.png
?????文件???????19732??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Cryptography.png
?????文件????????5729??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Dertouzos.png
?????文件????????7796??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Ontology.png
?????文件????????6493??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Rejewski.png
?????文件????????5832??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Search_Engines.png
?????文件????????2995??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Semantic_Web.png
?????文件????????3370??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Small_World.png
?????文件????????7481??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Social_Networks.png
?????文件???????10235??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\Turing.png
?????文件????????3905??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\xml.png
?????文件????????4666??2016-05-24?01:32??pydot-1.1.0\test\from-past-to-future\from-past-to-future.dot
?????目錄???????????0??2016-05-24?01:32??pydot-1.1.0\test\graphs\
............此處省略208個文件信息