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[DNM] yapf google column_limit 79 # 0.31.0 #3

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7a756bf
yapf google column_limit 79 # 0.31.0
peternowee May 31, 2021
1c69dd8
format-yapf-google: Manual corrections
peternowee May 31, 2021
36b2d36
format-yapf-google: Second run
peternowee May 31, 2021
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3 changes: 3 additions & 0 deletions .style.yapf
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
[style]
based_on_style=google
column_limit=79
155 changes: 68 additions & 87 deletions dot_parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,22 +11,16 @@
from __future__ import print_function
import sys

from pyparsing import (
nestedExpr, Literal, CaselessLiteral,
Word, OneOrMore,
Forward,
Group, Optional, Combine,
restOfLine, cStyleComment, nums, alphanums,
printables,
ParseException, ParseResults, CharsNotIn,
QuotedString)
from pyparsing import (nestedExpr, Literal, CaselessLiteral, Word, OneOrMore,
Forward, Group, Optional, Combine, restOfLine,
cStyleComment, nums, alphanums, printables,
ParseException, ParseResults, CharsNotIn, QuotedString)

import pydot

__author__ = ['Michael Krause', 'Ero Carrera']
__license__ = 'MIT'


PY3 = sys.version_info >= (3, 0, 0)
if PY3:
str_type = str
Expand All @@ -42,8 +36,8 @@ def __init__(self, toks):

while i < len(toks):
attrname = toks[i]
if i+2 < len(toks) and toks[i+1] == '=':
attrvalue = toks[i+2]
if i + 2 < len(toks) and toks[i + 1] == '=':
attrvalue = toks[i + 2]
i += 3
else:
attrvalue = None
Expand All @@ -62,8 +56,8 @@ def __init__(self, default_type, attrs):
self.attrs = attrs

def __repr__(self):
return "%s(%s, %r)" % (self.__class__.__name__,
self.default_type, self.attrs)
return "%s(%s, %r)" % (self.__class__.__name__, self.default_type,
self.attrs)


top_graphs = list()
Expand All @@ -76,8 +70,7 @@ def push_top_graph_stmt(str, loc, toks):
for element in toks:

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

element = element[0]

Expand Down Expand Up @@ -149,9 +142,9 @@ def update_parent_graph_hierarchy(g, parent_graph=None, level=0):

if key_name == 'edges' and len(key) == 2:
for idx, vertex in enumerate(obj['points']):
if isinstance(vertex,
(pydot.Graph,
pydot.Subgraph, pydot.Cluster)):
if isinstance(
vertex,
(pydot.Graph, pydot.Subgraph, pydot.Cluster)):
vertex.set_parent_graph(parent_graph)
if isinstance(vertex, pydot.frozendict):
if vertex['parent_graph'] is g:
Expand All @@ -168,8 +161,11 @@ def add_defaults(element, defaults):
d[key] = value


def add_elements(g, toks, defaults_graph=None,
defaults_node=None, defaults_edge=None):
def add_elements(g,
toks,
defaults_graph=None,
defaults_node=None,
defaults_edge=None):
if defaults_graph is None:
defaults_graph = {}
if defaults_node is None:
Expand Down Expand Up @@ -197,8 +193,8 @@ def add_elements(g, toks, defaults_graph=None,
elif isinstance(element, ParseResults):

for e in element:
add_elements(g, [e], defaults_graph,
defaults_node, defaults_edge)
add_elements(g, [e], defaults_graph, defaults_node,
defaults_edge)

elif isinstance(element, DefaultStatement):

Expand All @@ -219,9 +215,8 @@ def add_elements(g, toks, defaults_graph=None,
defaults_edge.update(element.attrs)

else:
raise ValueError(
'Unknown DefaultStatement: {s}'.format(
s=element.default_type))
raise ValueError('Unknown DefaultStatement: {s}'.format(
s=element.default_type))

elif isinstance(element, P_AttrList):

Expand Down Expand Up @@ -268,8 +263,7 @@ def push_default_stmt(str, loc, toks):
if default_type in ['graph', 'node', 'edge']:
return DefaultStatement(default_type, attrs)
else:
raise ValueError(
'Unknown default statement: {s}'.format(s=toks))
raise ValueError('Unknown default statement: {s}'.format(s=toks))


def push_attr_list(str, loc, toks):
Expand All @@ -290,7 +284,7 @@ def get_port(node):
def do_node_ports(node):
node_port = ''
if len(node) > 1:
node_port = ''.join([str(a)+str(b) for a, b in node[1]])
node_port = ''.join([str(a) + str(b) for a, b in node[1]])

return node_port

Expand All @@ -311,16 +305,17 @@ def push_edge_stmt(str, loc, toks):

if isinstance(toks[2][0], ParseResults):

n_next_list = [[n.get_name(), ] for n in toks[2][0]]
n_next_list = [[
n.get_name(),
] for n in toks[2][0]]
for n_next in [n for n in n_next_list]:
n_next_port = do_node_ports(n_next)
e.append(pydot.Edge(n_prev, n_next[0]+n_next_port, **attrs))
e.append(pydot.Edge(n_prev, n_next[0] + n_next_port, **attrs))

elif isinstance(toks[2][0], pydot.Graph):

e.append(pydot.Edge(n_prev,
pydot.frozendict(toks[2][0].obj_dict),
**attrs))
e.append(
pydot.Edge(n_prev, pydot.frozendict(toks[2][0].obj_dict), **attrs))

elif isinstance(toks[2][0], pydot.Node):

Expand All @@ -343,13 +338,12 @@ def push_edge_stmt(str, loc, toks):
continue

n_next_port = do_node_ports(n_next)
e.append(pydot.Edge(n_prev, n_next[0]+n_next_port, **attrs))
e.append(pydot.Edge(n_prev, n_next[0] + n_next_port, **attrs))

n_prev = n_next[0]+n_next_port
n_prev = n_next[0] + n_next_port
else:
raise Exception(
'Edge target {r} with type {s} unsupported.'.format(
r=toks[2][0], s=type(toks[2][0])))
raise Exception('Edge target {r} with type {s} unsupported.'.format(
r=toks[2][0], s=type(toks[2][0])))

return e

Expand Down Expand Up @@ -405,9 +399,10 @@ def graph_definition():
# token definitions
identifier = Word(alphanums + "_.").setName("identifier")

double_quoted_string = QuotedString(
'"', multiline=True, unquoteResults=False, escChar='\\'
)
double_quoted_string = QuotedString('"',
multiline=True,
unquoteResults=False,
escChar='\\')

noncomma = "".join([c for c in printables if c != ","])
alphastring_ = OneOrMore(CharsNotIn(noncomma + ' '))
Expand All @@ -418,83 +413,69 @@ def parse_html(s, loc, toks):
opener = '<'
closer = '>'
html_text = nestedExpr(
opener, closer, (CharsNotIn(opener + closer))
).setParseAction(parse_html).leaveWhitespace()
opener, closer,
(CharsNotIn(opener +
closer))).setParseAction(parse_html).leaveWhitespace()

ID = (identifier | html_text | double_quoted_string |
alphastring_).setName("ID")

float_number = Combine(
Optional(minus) +
OneOrMore(Word(nums + "."))
).setName("float_number")
float_number = Combine(Optional(minus) +
OneOrMore(Word(nums +
"."))).setName("float_number")

righthand_id = (float_number | ID).setName("righthand_id")

port_angle = (at + ID).setName("port_angle")

port_location = (
OneOrMore(Group(colon + ID)) |
Group(colon + lparen + ID + comma + ID + rparen)
).setName("port_location")
port_location = (OneOrMore(Group(colon + ID)) |
Group(colon + lparen + ID + comma + ID +
rparen)).setName("port_location")

port = (
Group(port_location + Optional(port_angle)) |
Group(port_angle + Optional(port_location))
).setName("port")
port = (Group(port_location + Optional(port_angle)) |
Group(port_angle + Optional(port_location))).setName("port")

node_id = (ID + Optional(port))
a_list = OneOrMore(
ID +
Optional(equals + righthand_id) +
Optional(comma.suppress())
).setName("a_list")

attr_list = OneOrMore(
lbrack.suppress() +
Optional(a_list) +
rbrack.suppress()
).setName("attr_list")
a_list = OneOrMore(ID + Optional(equals + righthand_id) +
Optional(comma.suppress())).setName("a_list")

attr_list = OneOrMore(lbrack.suppress() + Optional(a_list) +
rbrack.suppress()).setName("attr_list")

attr_stmt = (Group(graph_ | node_ | edge_) +
attr_list).setName("attr_stmt")

edgeop = (Literal("--") | Literal("->")).setName("edgeop")

stmt_list = Forward()
graph_stmt = Group(
lbrace.suppress() +
Optional(stmt_list) +
rbrace.suppress() +
Optional(semi.suppress())
).setName("graph_stmt")
graph_stmt = Group(lbrace.suppress() + Optional(stmt_list) +
rbrace.suppress() +
Optional(semi.suppress())).setName("graph_stmt")

edge_point = Forward()

edgeRHS = OneOrMore(edgeop + edge_point)
edge_stmt = edge_point + edgeRHS + Optional(attr_list)

subgraph = Group(
subgraph_ + Optional(ID) + graph_stmt).setName("subgraph")
subgraph = Group(subgraph_ + Optional(ID) +
graph_stmt).setName("subgraph")

edge_point << Group(
subgraph | graph_stmt | node_id).setName('edge_point')
edge_point << Group(subgraph | graph_stmt |
node_id).setName('edge_point')

node_stmt = (
node_id + Optional(attr_list) +
Optional(semi.suppress())).setName("node_stmt")
node_stmt = (node_id + Optional(attr_list) +
Optional(semi.suppress())).setName("node_stmt")

assignment = (ID + equals + righthand_id).setName("assignment")
stmt = (assignment | edge_stmt | attr_stmt |
subgraph | graph_stmt | node_stmt).setName("stmt")
stmt = (assignment | edge_stmt | attr_stmt | subgraph | graph_stmt |
node_stmt).setName("stmt")
stmt_list << OneOrMore(stmt + Optional(semi.suppress()))

graphparser = OneOrMore(
(Optional(strict_) + Group((graph_ | digraph_)) +
Optional(ID) + graph_stmt).setResultsName("graph"))
graphparser = OneOrMore((Optional(strict_) + Group(
(graph_ | digraph_)) + Optional(ID) +
graph_stmt).setResultsName("graph"))

singleLineComment = Group(
"//" + restOfLine) | Group("#" + restOfLine)
singleLineComment = Group("//" + restOfLine) | Group("#" + restOfLine)

# actions

Expand Down
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