1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
require "set"
module Bundler
class Graph
GRAPH_NAME = :Gemfile
def initialize(env, output_file, show_version = false, show_requirements = false, output_format = "png", without = [])
@env = env
@output_file = output_file
@show_version = show_version
@show_requirements = show_requirements
@output_format = output_format
@without_groups = without.map(&:to_sym)
@groups = []
@relations = Hash.new {|h, k| h[k] = Set.new }
@node_options = {}
@edge_options = {}
_patching_gem_dependency_class
_populate_relations
end
attr_reader :groups, :relations, :node_options, :edge_options, :output_file, :output_format
def viz
GraphVizClient.new(self).run
end
private
def _populate_relations
parent_dependencies = _groups.values.to_set.flatten
loop do
if parent_dependencies.empty?
break
else
tmp = Set.new
parent_dependencies.each do |dependency|
# if the dependency is a prerelease, allow to_spec to be non-nil
dependency.prerelease = true
child_dependencies = dependency.to_spec.runtime_dependencies.to_set
@relations[dependency.name] += child_dependencies.map(&:name).to_set
tmp += child_dependencies
@node_options[dependency.name] = _make_label(dependency, :node)
child_dependencies.each do |c_dependency|
@edge_options["#{dependency.name}_#{c_dependency.name}"] = _make_label(c_dependency, :edge)
end
end
parent_dependencies = tmp
end
end
end
def _groups
relations = Hash.new {|h, k| h[k] = Set.new }
@env.current_dependencies.each do |dependency|
dependency.groups.each do |group|
next if @without_groups.include?(group)
relations[group.to_s].add(dependency)
@relations[group.to_s].add(dependency.name)
@node_options[group.to_s] ||= _make_label(group, :node)
@edge_options["#{group}_#{dependency.name}"] = _make_label(dependency, :edge)
end
end
@groups = relations.keys
relations
end
def _make_label(symbol_or_string_or_dependency, element_type)
case element_type.to_sym
when :node
if symbol_or_string_or_dependency.is_a?(Gem::Dependency)
label = symbol_or_string_or_dependency.name.dup
label << "\n#{symbol_or_string_or_dependency.to_spec.version}" if @show_version
else
label = symbol_or_string_or_dependency.to_s
end
when :edge
label = nil
if symbol_or_string_or_dependency.respond_to?(:requirements_list) && @show_requirements
tmp = symbol_or_string_or_dependency.requirements_list.join(", ")
label = tmp if tmp != ">= 0"
end
else
raise ArgumentError, "2nd argument is invalid"
end
label.nil? ? {} : { :label => label }
end
def _patching_gem_dependency_class
# method borrow from rubygems/dependency.rb
# redefinition of matching_specs will also redefine to_spec and to_specs
Gem::Dependency.class_eval do
def matching_specs platform_only = false
matches = Bundler.load.specs.select { |spec|
self.name == spec.name and
requirement.satisfied_by? spec.version
}
if platform_only
matches.reject! { |spec|
not Gem::Platform.match spec.platform
}
end
matches = matches.sort_by(&:sort_obj) # HACK: shouldn't be needed
end
end
end
class GraphVizClient
def initialize(graph_instance)
@graph_name = graph_instance.class::GRAPH_NAME
@groups = graph_instance.groups
@relations = graph_instance.relations
@node_options = graph_instance.node_options
@edge_options = graph_instance.edge_options
@output_file = graph_instance.output_file
@output_format = graph_instance.output_format
end
def g
@g ||= ::GraphViz.digraph(@graph_name, { :concentrate => true, :normalize => true, :nodesep => 0.55 }) do |g|
g.edge[:weight] = 2
g.edge[:fontname] = g.node[:fontname] = "Arial, Helvetica, SansSerif"
g.edge[:fontsize] = 12
end
end
def run
@groups.each do |group|
g.add_nodes(
group,
{ :style => "filled",
:fillcolor => "#B9B9D5",
:shape => "box3d",
:fontsize => 16 }.merge(@node_options[group])
)
end
@relations.each do |parent, children|
children.each do |child|
if @groups.include?(parent)
g.add_nodes(child, { :style => "filled", :fillcolor => "#B9B9D5" }.merge(@node_options[child]))
g.add_edges(parent, child, { :constraint => false }.merge(@edge_options["#{parent}_#{child}"]))
else
g.add_nodes(child, @node_options[child])
g.add_edges(parent, child, @edge_options["#{parent}_#{child}"])
end
end
end
if @output_format.to_s == "debug"
$stdout.puts g.output :none => String
Bundler.ui.info "debugging bundle viz..."
else
begin
g.output @output_format.to_sym => "#{@output_file}.#{@output_format}"
Bundler.ui.info "#{@output_file}.#{@output_format}"
rescue ArgumentError => e
$stderr.puts "Unsupported output format. See Ruby-Graphviz/lib/graphviz/constants.rb"
raise e
end
end
end
end
end
end
|