python: report partial lines

Author: blueyed

autoload/coverage/python.vim

@@ -56,8 +56,8 @@ function! coverage#python#GetCoveragePyProvider() abort
         \ 'vim_coverage.GetCoveragePyLines(%s, %s)',
         \ string(l:cov_file),
         \ string(a:filename)))
-    let [l:covered_lines, l:uncovered_lines] = l:coverage_data
-    return coverage#CreateReport(l:covered_lines, l:uncovered_lines, [])
+    let [l:covered_lines, l:uncovered_lines, l:partial_lines] = l:coverage_data
+    return coverage#CreateReport(l:covered_lines, l:uncovered_lines, l:partial_lines)
   endfunction
 
   return l:provider

python/vim_coverage.py

@@ -19,7 +19,7 @@
 
 
 def GetCoveragePyLines(path, source_file):
-  """Get (covered, uncovered) lines for source_file from .coverage file at path.
+  """Get (covered, uncovered, partial) lines for source_file from .coverage file at path.
   """
   prev_cwd = os.getcwd()
   source_file = os.path.abspath(source_file)
@@ -39,4 +39,8 @@ def GetCoveragePyLines(path, source_file):
   except TypeError:
     covered_lines = cov.data.line_data()[source_file]
   uncovered_lines = cov.analysis(source_file)[2]
-  return (covered_lines, uncovered_lines)
+
+  analysis = cov._analyze(source_file)
+  partial = list(analysis.missing_branch_arcs().keys())
+
+  return (covered_lines, uncovered_lines, partial)