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Merge pull request pivotal#986 from melter2m/conan_support
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Support of Conan v1.6 and v2
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@xtreme-shane-lattanzio
xtreme-shane-lattanzio authored Jul 18, 2023
2 parents df8c6ed + 1ab2152 commit a33023e
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Showing 4 changed files with 171 additions and 47 deletions.
58 changes: 50 additions & 8 deletions lib/license_finder/package_managers/conan.rb
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Original file line number Diff line number Diff line change
@@ -1,27 +1,69 @@
# frozen_string_literal: true

require 'license_finder/package_utils/conan_info_parser'
require 'license_finder/package_utils/conan_info_parser_v2'

module LicenseFinder
class Conan < PackageManager
def possible_package_paths
[project_path.join('conanfile.txt')]
[project_path.join('conanfile.txt'), project_path.join('conanfile.py')]
end

def current_packages
install_command = 'conan install .'
def license_file_is_good?(license_file_path)
!license_file_path.nil? && File.file?(license_file_path)
end

def license_file(project_path, name)
candidates = Dir.glob("#{project_path}/licenses/#{name}/**/LICENSE*")
candidates.each do |candidate|
return candidate if license_file_is_good?(candidate)
end
nil
end

def deps_list_conan_v1(project_path)
info_command = 'conan info .'
Dir.chdir(project_path) { Cmd.run(install_command) }
info_output, _stderr, _status = Dir.chdir(project_path) { Cmd.run(info_command) }
return nil if info_output.empty?

info_parser = ConanInfoParser.new
info_parser.parse(info_output)
end

def deps_list_conan_v2(project_path)
info_command = 'conan graph info .'
info_output, stderr, _status = Dir.chdir(project_path) { Cmd.run(info_command) }
if info_output.empty?
return if stderr.empty?

info_output = stderr
end
info_parser = ConanInfoParserV2.new
info_parser.parse(info_output)
end

def deps_list(project_path)
deps = deps_list_conan_v1(project_path)
deps = deps_list_conan_v2(project_path) if deps.nil? || deps.empty?
deps
end

def current_packages
install_command = 'conan install .'
Dir.chdir(project_path) { Cmd.run(install_command) }

deps = deps_list(project_path)
return [] if deps.nil?

deps = info_parser.parse(info_output)
deps.map do |dep|
name, version = dep['name'].split('/')
url = dep['URL']
license_file_path = Dir.glob("#{project_path}/licenses/#{name}/**/LICENSE*").first
ConanPackage.new(name, version, File.open(license_file_path).read, url) unless name == 'conanfile.txt'
license_file_path = license_file(project_path, name)

next unless license_file_is_good?(license_file_path)

url = dep['homepage']
url = dep['url'] if url.nil?
ConanPackage.new(name, version, File.open(license_file_path).read, url)
end.compact
end
end
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4 changes: 2 additions & 2 deletions lib/license_finder/package_utils/conan_info_parser.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -31,9 +31,9 @@ def parse(info)
def parse_key_val(line)
key, val = key_val(line)
if val
@current_project[key] = val
@current_project[key.downcase] = val
elsif line.start_with?(' ')
@current_key = key
@current_key = key.downcase
@current_vals = []
@state = :val_list
else
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82 changes: 82 additions & 0 deletions lib/license_finder/package_utils/conan_info_parser_v2.rb
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Original file line number Diff line number Diff line change
@@ -0,0 +1,82 @@
# frozen_string_literal: true

module LicenseFinder
class ConanInfoParserV2
def parse(info)
@lines = info.lines.map(&:chomp)
@state = :project_level # state of the state machine
@projects = [] # list of projects
@current_project = nil # current project being populated in the SM
@current_vals = [] # current val list being populate in the SM
@current_key = nil # current key to be associated with the current val

line = @lines.shift
line = @lines.shift while line != '======== Basic graph information ========'

while (line = @lines.shift)
next if line == ''

case @state
when :project_level
@current_project = {}
name, _id = line.strip.split('#')
@current_project['name'] = name
@state = :key_val
when :key_val
parse_key_val(line)
when :val_list
parse_val_list(line)
end
end
wrap_up
end

private

def parse_key_val(line)
key, val = key_val(line)
if val
@current_project[key.downcase] = val
elsif line.start_with?(' ')
@current_key = key.downcase
@current_vals = []
@state = :val_list
else
change_to_new_project_state line
end
end

def parse_val_list(line)
if val_list_level(line)
@current_vals << line.strip
else
@current_project[@current_key] = @current_vals
if line.start_with?(' ')
@state = :key_val
@lines.unshift(line)
else
change_to_new_project_state line
end
end
end

def wrap_up
@current_project[@current_key] = @current_vals if @current_vals.count && @current_key
@projects << @current_project
end

def val_list_level(line)
line.start_with?(' ')
end

def change_to_new_project_state(line)
@state = :project_level
@projects << @current_project
@lines.unshift(line)
end

def key_val(info)
info.split(':', 2).map(&:strip!)
end
end
end
74 changes: 37 additions & 37 deletions spec/lib/license_finder/package_managers/conan_info_parser_spec.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -9,55 +9,55 @@ module LicenseFinder
[
{
'name' => 'conanfile.txt',
'ID' => '4c3dfe99a9c2d5003148e0054b9bacf58ac69f66',
'BuildID' => 'None',
'Requires' => ['Poco/1.7.9@pocoproject/stable', 'OpenSSL/1.0.2l@conan/stable', 'range-v3/0.3.0@ericniebler/stable']
'id' => '4c3dfe99a9c2d5003148e0054b9bacf58ac69f66',
'buildid' => 'None',
'requires' => ['Poco/1.7.9@pocoproject/stable', 'OpenSSL/1.0.2l@conan/stable', 'range-v3/0.3.0@ericniebler/stable']
},
{
'name' => 'OpenSSL/1.0.2l@conan/stable',
'ID' => '0197c20e330042c026560da838f5b4c4bf094b8a',
'BuildID' => 'None',
'Remote' => 'conan-center=https://center.conan.io',
'URL' => 'http://github.com/lasote/conan-openssl',
'License' => 'The current OpenSSL licence is an \'Apache style\' license: https://www.openssl.org/source/license.html',
'Updates' => 'Version not checked',
'Creation date' => '2017-08-21 10:28:57',
'Required by' => ['Poco/1.7.9@pocoproject/stable', 'conanfile.txt'],
'Requires' => ['zlib/1.2.11@conan/stable']
'id' => '0197c20e330042c026560da838f5b4c4bf094b8a',
'buildid' => 'None',
'remote' => 'conan-center=https://center.conan.io',
'url' => 'http://github.com/lasote/conan-openssl',
'license' => 'The current OpenSSL licence is an \'Apache style\' license: https://www.openssl.org/source/license.html',
'updates' => 'Version not checked',
'creation date' => '2017-08-21 10:28:57',
'required by' => ['Poco/1.7.9@pocoproject/stable', 'conanfile.txt'],
'requires' => ['zlib/1.2.11@conan/stable']
},
{
'name' => 'Poco/1.7.9@pocoproject/stable',
'ID' => '33fe7ea34efc04fb6d81fabd9e34f51da57f9e09',
'BuildID' => 'None',
'Remote' => 'conan-center=https://center.conan.io',
'URL' => 'http://github.com/lasote/conan-poco',
'License' => 'The Boost Software License 1.0',
'Updates' => 'Version not checked',
'Creation date' => '2017-09-20 16:51:10',
'Required by' => ['conanfile.txt'],
'Requires' => ['OpenSSL/1.0.2l@conan/stable']
'id' => '33fe7ea34efc04fb6d81fabd9e34f51da57f9e09',
'buildid' => 'None',
'remote' => 'conan-center=https://center.conan.io',
'url' => 'http://github.com/lasote/conan-poco',
'license' => 'The Boost Software License 1.0',
'updates' => 'Version not checked',
'creation date' => '2017-09-20 16:51:10',
'required by' => ['conanfile.txt'],
'requires' => ['OpenSSL/1.0.2l@conan/stable']
},
{
'name' => 'range-v3/0.3.0@ericniebler/stable',
'ID' => '5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9',
'BuildID' => 'None',
'Remote' => 'conan-center=https://center.conan.io',
'URL' => 'https://github.com/ericniebler/range-v3',
'License' => 'Boost Software License - Version 1.0 - August 17th, 2003',
'Updates' => 'Version not checked',
'Creation date' => '2017-06-30 13:20:56',
'Required by' => ['conanfile.txt']
'id' => '5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9',
'buildid' => 'None',
'remote' => 'conan-center=https://center.conan.io',
'url' => 'https://github.com/ericniebler/range-v3',
'license' => 'Boost Software License - Version 1.0 - August 17th, 2003',
'updates' => 'Version not checked',
'creation date' => '2017-06-30 13:20:56',
'required by' => ['conanfile.txt']
},
{
'name' => 'zlib/1.2.11@conan/stable',
'ID' => '09512ff863f37e98ed748eadd9c6df3e4ea424a8',
'BuildID' => 'None',
'Remote' => 'conan-center=https://center.conan.io',
'URL' => 'http://github.com/lasote/conan-zlib',
'License' => 'http://www.zlib.net/zlib_license.html',
'Updates' => 'Version not checked',
'Creation date' => '2017-09-25 14:42:53',
'Required by' => ['OpenSSL/1.0.2l@conan/stable']
'id' => '09512ff863f37e98ed748eadd9c6df3e4ea424a8',
'buildid' => 'None',
'remote' => 'conan-center=https://center.conan.io',
'url' => 'http://github.com/lasote/conan-zlib',
'license' => 'http://www.zlib.net/zlib_license.html',
'updates' => 'Version not checked',
'creation date' => '2017-09-25 14:42:53',
'required by' => ['OpenSSL/1.0.2l@conan/stable']
}
]
end
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