Remove escape string warning and black

Author: rocky

test/integration/helper.py

@@ -1,15 +1,22 @@
-from xdis import IS_PYPY
-import difflib, os, re, sys, time
+import difflib
+import os
 import os.path as osp
+import re
+import sys
+import time
+
+from xdis import IS_PYPY
+
 srcdir = osp.abspath(osp.dirname(__file__))
 
 
-def run_debugger(testname, python_file, dbgr_opts='', args='',
-                 outfile=None, right_template=None):
-    datadir   = osp.join(srcdir, '..', 'data')
-    progdir   = osp.join(srcdir, '..', 'example')
-    dbgrdir   = osp.join(srcdir, '..', '..', 'trepan')
-    dbgr_short= "__main__.py"
+def run_debugger(
+    testname, python_file, dbgr_opts="", args="", outfile=None, right_template=None
+):
+    datadir = osp.join(srcdir, "..", "data")
+    progdir = osp.join(srcdir, "..", "example")
+    dbgrdir = osp.join(srcdir, "..", "..", "trepan")
+    dbgr_short = "__main__.py"
     dbgr_path = osp.join(dbgrdir, dbgr_short)
 
     if not right_template:
@@ -20,43 +27,53 @@ def run_debugger(testname, python_file, dbgr_opts='', args='',
 
     rightfile = osp.join(datadir, right_template % testname)
 
-    sys.path.insert(0, osp.join(srcdir, '..', '..'))
-    os.environ['PYTHONPATH'] = os.pathsep.join(sys.path)
-    cmdfile     = osp.join(datadir, "%s.cmd"   % testname)
-    outfile     = osp.join(srcdir, "%s.out" % testname)
+    sys.path.insert(0, osp.join(srcdir, "..", ".."))
+    os.environ["PYTHONPATH"] = os.pathsep.join(sys.path)
+    cmdfile = osp.join(datadir, f"{testname}.cmd")
+    outfile = osp.join(srcdir, f"{testname}.out")
     if python_file:
         programfile = osp.join(progdir, python_file)
     else:
-        programfile = ''
+        programfile = ""
         pass
 
-    outfile_opt = '--output=%s ' % outfile
+    outfile_opt = f"--output={outfile} "
 
-    if osp.exists(outfile): os.unlink(outfile)
+    if osp.exists(outfile):
+        os.unlink(outfile)
 
-    cmd = "%s --command %s %s %s %s %s" % \
-          (dbgr_path, cmdfile, outfile_opt, dbgr_opts, programfile, args)
+    cmd = "%s --command %s %s %s %s %s" % (
+        dbgr_path,
+        cmdfile,
+        outfile_opt,
+        dbgr_opts,
+        programfile,
+        args,
+    )
 
     # print(cmd)
     os.system(cmd)
-    fromfile  = rightfile
-    fromdate  = time.ctime(os.stat(fromfile).st_mtime)
-    tofile    = outfile
-    todate    = time.ctime(os.stat(tofile).st_mtime)
-    with open(fromfile) as f: fromlines = f.readlines()
-    with open(tofile) as f: tolines = f.readlines()
+    fromfile = rightfile
+    fromdate = time.ctime(os.stat(fromfile).st_mtime)
+    tofile = outfile
+    todate = time.ctime(os.stat(tofile).st_mtime)
+    with open(fromfile) as f:
+        fromlines = f.readlines()
+    with open(tofile) as f:
+        tolines = f.readlines()
 
     # Filter out last instruction. For example:
     # (gcd.py:11 @6): -> (gcd.py:11)
-    tolines = [re.sub(' @\d+\):', '):', line) for line in tolines]
+    tolines = [re.sub(r" @\d+\):", "):", line) for line in tolines]
 
-    diff = list(difflib.unified_diff(fromlines, tolines, fromfile,
-                                     tofile, fromdate, todate))
+    diff = list(
+        difflib.unified_diff(fromlines, tolines, fromfile, tofile, fromdate, todate)
+    )
     if len(diff) == 0:
         os.unlink(outfile)
         pass
     else:
-        with open(tofile, 'w') as out:
+        with open(tofile, "w") as out:
             out.writelines(tolines)
             pass
         pass