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Use only a single diff executor

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This commit is contained in:
Kovid Goyal 2018-08-04 17:46:05 +05:30
parent 42cabace47
commit 927bfcd37a
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 26 additions and 22 deletions
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48
kittens/diff/patch.py
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@ -205,9 +205,13 @@ def parse_patch(raw):
class Differ:
diff_executor = None
def __init__(self):
self.jmap = {}
self.jobs = []
if Differ.diff_executor is None:
Differ.diff_executor = self.diff_executor = concurrent.futures.ThreadPoolExecutor(max_workers=os.cpu_count())
def add_diff(self, file1, file2):
self.jmap[file1] = file2
@ -216,26 +220,26 @@ class Differ:
def __call__(self, context=3):
global left_lines, right_lines
ans = {}
with concurrent.futures.ThreadPoolExecutor(max_workers=os.cpu_count()) as executor:
jobs = {executor.submit(run_diff, key, self.jmap[key], context): key for key in self.jobs}
for future in concurrent.futures.as_completed(jobs):
key = jobs[future]
left_path, right_path = key, self.jmap[key]
try:
ok, returncode, output = future.result()
except FileNotFoundError as err:
return 'Could not find the {} executable. Is it in your PATH?'.format(err.filename)
except Exception as e:
return 'Running git diff for {} vs. {} generated an exception: {}'.format(left_path, right_path, e)
if not ok:
return output + '\nRunning git diff for {} vs. {} failed'.format(left_path, right_path)
left_lines = lines_for_path(left_path)
right_lines = lines_for_path(right_path)
try:
patch = parse_patch(output)
except Exception:
import traceback
return traceback.format_exc() + '\nParsing diff for {} vs. {} failed'.format(left_path, right_path)
else:
ans[key] = patch
executor = Differ.diff_executor
jobs = {executor.submit(run_diff, key, self.jmap[key], context): key for key in self.jobs}
for future in concurrent.futures.as_completed(jobs):
key = jobs[future]
left_path, right_path = key, self.jmap[key]
try:
ok, returncode, output = future.result()
except FileNotFoundError as err:
return 'Could not find the {} executable. Is it in your PATH?'.format(err.filename)
except Exception as e:
return 'Running git diff for {} vs. {} generated an exception: {}'.format(left_path, right_path, e)
if not ok:
return output + '\nRunning git diff for {} vs. {} failed'.format(left_path, right_path)
left_lines = lines_for_path(left_path)
right_lines = lines_for_path(right_path)
try:
patch = parse_patch(output)
except Exception:
import traceback
return traceback.format_exc() + '\nParsing diff for {} vs. {} failed'.format(left_path, right_path)
else:
ans[key] = patch
return ans