support parsing BUNDLED WITH

src/packagedcode/gemfile_lock.py

@@ -109,6 +109,7 @@ def logger_debug(*args):
 SVN = 'SVN'
 GEM = 'GEM'
 PLATFORMS = 'PLATFORMS'
+BUNDLED = 'BUNDLED WITH'
 DEPENDENCIES = 'DEPENDENCIES'
 SPECS = '  specs:'
 
@@ -340,6 +341,7 @@ def get_option(s):
     '$' % locals()).match
 
 PLATS = re.compile('^  (?P<platform>.*)$').match
+BUNDLED_WITH = re.compile('^\s+(?P<version>(?:\d+.)+\d+)\s*$').match
 
 
 class GemfileLockParser:
@@ -358,6 +360,7 @@ def __init__(self, lockfile):
         self.STATES = {
             DEPENDENCIES: self.parse_dependency,
             PLATFORMS: self.parse_platform,
+            BUNDLED: self.parse_bundler_version,
             GIT: self.parse_options,
             PATH: self.parse_options,
             SVN: self.parse_options,
@@ -376,6 +379,8 @@ def __init__(self, lockfile):
 
         self.platforms = []
 
+        self.bundled_with = None
+
         # init parsing state
         self.reset_state()
 
@@ -536,6 +541,16 @@ def parse_platform(self, line):
         plat = plat.group('platform')
         self.platforms.append(plat.strip())
 
+    def parse_bundler_version(self, line):
+        version = BUNDLED_WITH(line)
+        if not version:
+            if TRACE:
+                logger_debug('ERROR: parse_bundler_version: '
+                      'line not matched: %(line)r' % locals())
+            return
+        version = version.group('version')
+        self.bundled_with = version
+
     def flatten(self):
         """
         Return the Gems dependency_tree as a sorted list of unique

tests/packagedcode/data/gemfile_lock/bundled/Gemfile.lock

@@ -0,0 +1,2 @@
+BUNDLED WITH
+   2.0.1

tests/packagedcode/data/gemfile_lock/bundled/Gemfile.lock.expected.json

@@ -0,0 +1 @@
+[]

tests/packagedcode/test_gemfile_lock.py

@@ -372,6 +372,14 @@ def test_GemfileLockParser_can_parse_platform(self):
         expected_loc = 'gemfile_lock/platform/Gemfile.lock.expected.json'
         self.check_gemfile_lock(test_file, expected_loc, regen=REGEN_TEST_FIXTURES)
 
+    def test_GemfileLockParser_can_parse_bundled(self):
+        test_file = 'gemfile_lock/bundled/Gemfile.lock'
+        expected_loc = 'gemfile_lock/bundled/Gemfile.lock.expected.json'
+        self.check_gemfile_lock(test_file, expected_loc, regen=REGEN_TEST_FIXTURES)
+
+        gfl = gemfile_lock.GemfileLockParser(self.get_test_loc(test_file))
+        assert gfl.bundled_with == "2.0.1"
+
     def test_GemfileLockParser_can_parse_spec_single_level(self):
         test_file = 'gemfile_lock/spec/Gemfile.lock1'
         expected_loc = 'gemfile_lock/spec/Gemfile.lock1.expected.json'