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-rw-r--r--coverage/results.py71
1 files changed, 22 insertions, 49 deletions
diff --git a/coverage/results.py b/coverage/results.py
index 0576ae1f..6cbcbfc8 100644
--- a/coverage/results.py
+++ b/coverage/results.py
@@ -1,11 +1,9 @@
"""Results of coverage measurement."""
import collections
-import os
from coverage.backward import iitems
-from coverage.misc import format_lines, join_regex, NoSource
-from coverage.parser import CodeParser
+from coverage.misc import format_lines, join_regex
class Analysis(object):
@@ -16,18 +14,15 @@ class Analysis(object):
self.code_unit = code_unit
self.filename = self.code_unit.filename
- actual_filename, source = self.find_source(self.filename)
-
- self.parser = CodeParser(
- text=source, filename=actual_filename,
+ self.parser = code_unit.get_parser(
exclude=self.coverage._exclude_regex('exclude')
)
self.statements, self.excluded = self.parser.parse_source()
# Identify missing statements.
executed = self.coverage.data.executed_lines(self.filename)
- exec1 = self.parser.first_lines(executed)
- self.missing = self.statements - exec1
+ executed = self.parser.translate_lines(executed)
+ self.missing = self.statements - executed
if self.coverage.data.has_arcs():
self.no_branch = self.parser.lines_matching(
@@ -54,44 +49,6 @@ class Analysis(object):
n_missing_branches=n_missing_branches,
)
- def find_source(self, filename):
- """Find the source for `filename`.
-
- Returns two values: the actual filename, and the source.
-
- The source returned depends on which of these cases holds:
-
- * The filename seems to be a non-source file: returns None
-
- * The filename is a source file, and actually exists: returns None.
-
- * The filename is a source file, and is in a zip file or egg:
- returns the source.
-
- * The filename is a source file, but couldn't be found: raises
- `NoSource`.
-
- """
- source = None
-
- base, ext = os.path.splitext(filename)
- TRY_EXTS = {
- '.py': ['.py', '.pyw'],
- '.pyw': ['.pyw'],
- }
- try_exts = TRY_EXTS.get(ext)
- if not try_exts:
- return filename, None
-
- for try_ext in try_exts:
- try_filename = base + try_ext
- if os.path.exists(try_filename):
- return try_filename, None
- source = self.coverage.file_locator.get_zip_data(try_filename)
- if source:
- return try_filename, source
- raise NoSource("No source for code: '%s'" % filename)
-
def missing_formatted(self):
"""The missing line numbers, formatted nicely.
@@ -112,8 +69,7 @@ class Analysis(object):
def arcs_executed(self):
"""Returns a sorted list of the arcs actually executed in the code."""
executed = self.coverage.data.executed_arcs(self.filename)
- m2fl = self.parser.first_line
- executed = ((m2fl(l1), m2fl(l2)) for (l1,l2) in executed)
+ executed = self.parser.translate_arcs(executed)
return sorted(executed)
def arcs_missing(self):
@@ -127,6 +83,23 @@ class Analysis(object):
)
return sorted(missing)
+ def arcs_missing_formatted(self):
+ """ The missing branch arcs, formatted nicely.
+
+ Returns a string like "1->2, 1->3, 16->20". Omits any mention of
+ missing lines, so if line 17 is missing, then 16->17 won't be included.
+
+ """
+ arcs = self.missing_branch_arcs()
+ missing = self.missing
+ line_exits = sorted(iitems(arcs))
+ pairs = []
+ for line, exits in line_exits:
+ for ex in sorted(exits):
+ if line not in missing and ex not in missing:
+ pairs.append('%d->%d' % (line, ex))
+ return ', '.join(pairs)
+
def arcs_unpredicted(self):
"""Returns a sorted list of the executed arcs missing from the code."""
possible = self.arc_possibilities()