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-rw-r--r--python/helpers/coverage/data.py52
1 files changed, 32 insertions, 20 deletions
diff --git a/python/helpers/coverage/data.py b/python/helpers/coverage/data.py
index 3263cb38883b..fb88c5b1e638 100644
--- a/python/helpers/coverage/data.py
+++ b/python/helpers/coverage/data.py
@@ -2,7 +2,9 @@
import os
-from coverage.backward import pickle, sorted # pylint: disable=W0622
+from coverage.backward import iitems, pickle, sorted # pylint: disable=W0622
+from coverage.files import PathAliases
+from coverage.misc import file_be_gone
class CoverageData(object):
@@ -21,15 +23,18 @@ class CoverageData(object):
"""
- def __init__(self, basename=None, collector=None):
+ def __init__(self, basename=None, collector=None, debug=None):
"""Create a CoverageData.
`basename` is the name of the file to use for storing data.
`collector` is a string describing the coverage measurement software.
+ `debug` is a `DebugControl` object for writing debug messages.
+
"""
self.collector = collector or 'unknown'
+ self.debug = debug
self.use_file = True
@@ -59,10 +64,6 @@ class CoverageData(object):
#
self.arcs = {}
- self.os = os
- self.sorted = sorted
- self.pickle = pickle
-
def usefile(self, use_file=True):
"""Set whether or not to use a disk file for data."""
self.use_file = use_file
@@ -92,21 +93,21 @@ class CoverageData(object):
def erase(self):
"""Erase the data, both in this object, and from its file storage."""
if self.use_file:
- if self.filename and os.path.exists(self.filename):
- os.remove(self.filename)
+ if self.filename:
+ file_be_gone(self.filename)
self.lines = {}
self.arcs = {}
def line_data(self):
"""Return the map from filenames to lists of line numbers executed."""
return dict(
- [(f, self.sorted(lmap.keys())) for f, lmap in self.lines.items()]
+ [(f, sorted(lmap.keys())) for f, lmap in iitems(self.lines)]
)
def arc_data(self):
"""Return the map from filenames to lists of line number pairs."""
return dict(
- [(f, self.sorted(amap.keys())) for f, amap in self.arcs.items()]
+ [(f, sorted(amap.keys())) for f, amap in iitems(self.arcs)]
)
def write_file(self, filename):
@@ -123,10 +124,13 @@ class CoverageData(object):
if self.collector:
data['collector'] = self.collector
+ if self.debug and self.debug.should('dataio'):
+ self.debug.write("Writing data to %r" % (filename,))
+
# Write the pickle to the file.
fdata = open(filename, 'wb')
try:
- self.pickle.dump(data, fdata, 2)
+ pickle.dump(data, fdata, 2)
finally:
fdata.close()
@@ -136,6 +140,8 @@ class CoverageData(object):
def raw_data(self, filename):
"""Return the raw pickled data from `filename`."""
+ if self.debug and self.debug.should('dataio'):
+ self.debug.write("Reading data from %r" % (filename,))
fdata = open(filename, 'rb')
try:
data = pickle.load(fdata)
@@ -158,33 +164,39 @@ class CoverageData(object):
# Unpack the 'lines' item.
lines = dict([
(f, dict.fromkeys(linenos, None))
- for f, linenos in data.get('lines', {}).items()
+ for f, linenos in iitems(data.get('lines', {}))
])
# Unpack the 'arcs' item.
arcs = dict([
(f, dict.fromkeys(arcpairs, None))
- for f, arcpairs in data.get('arcs', {}).items()
+ for f, arcpairs in iitems(data.get('arcs', {}))
])
except Exception:
pass
return lines, arcs
- def combine_parallel_data(self):
+ def combine_parallel_data(self, aliases=None):
"""Combine a number of data files together.
Treat `self.filename` as a file prefix, and combine the data from all
of the data files starting with that prefix plus a dot.
+ If `aliases` is provided, it's a `PathAliases` object that is used to
+ re-map paths to match the local machine's.
+
"""
+ aliases = aliases or PathAliases()
data_dir, local = os.path.split(self.filename)
localdot = local + '.'
for f in os.listdir(data_dir or '.'):
if f.startswith(localdot):
full_path = os.path.join(data_dir, f)
new_lines, new_arcs = self._read_file(full_path)
- for filename, file_data in new_lines.items():
+ for filename, file_data in iitems(new_lines):
+ filename = aliases.map(filename)
self.lines.setdefault(filename, {}).update(file_data)
- for filename, file_data in new_arcs.items():
+ for filename, file_data in iitems(new_arcs):
+ filename = aliases.map(filename)
self.arcs.setdefault(filename, {}).update(file_data)
if f != local:
os.remove(full_path)
@@ -195,7 +207,7 @@ class CoverageData(object):
`line_data` is { filename: { lineno: None, ... }, ...}
"""
- for filename, linenos in line_data.items():
+ for filename, linenos in iitems(line_data):
self.lines.setdefault(filename, {}).update(linenos)
def add_arc_data(self, arc_data):
@@ -204,7 +216,7 @@ class CoverageData(object):
`arc_data` is { filename: { (l1,l2): None, ... }, ...}
"""
- for filename, arcs in arc_data.items():
+ for filename, arcs in iitems(arc_data):
self.arcs.setdefault(filename, {}).update(arcs)
def touch_file(self, filename):
@@ -245,8 +257,8 @@ class CoverageData(object):
if fullpath:
filename_fn = lambda f: f
else:
- filename_fn = self.os.path.basename
- for filename, lines in self.lines.items():
+ filename_fn = os.path.basename
+ for filename, lines in iitems(self.lines):
summ[filename_fn(filename)] = len(lines)
return summ