def diff(file1, file2, move=False, parent=False):
# get AST of file1
f1 = open(file1, 'r')
lines1 = f1.read()
f1.close()
try:
node1 = parse(lines1)
except (SyntaxError, Exception):
print('file %s cannot be parsed' % file1)
raise
improve_ast(node1, lines1, file1, 'left', parent)
# get AST of file2
f2 = open(file2, 'r');
lines2 = f2.read()
f2.close()
try:
node2 = parse(lines2)
except (SyntaxError, Exception):
print('file %s cannot be parsed' % file2)
raise
improve_ast(node2, lines2, file2, 'right', parent)
# get the changes
(changes, cost) = diff_node(node1, node2, move)
return changes
def diffstring(str1, str2, move=False, parent=False):
try:
node1 = parse(str1)
except (SyntaxError, Exception):
print('string -- %s -- cannot be parsed' % str1)
raise
improve_ast(node1, str1, None, 'left', parent)
try:
node2 = parse(str2)
except (SyntaxError, Exception):
print('string -- %s -- cannot be parsed' % str2)
raise
improve_ast(node2, str2, None, 'right', parent)
# get the changes
(changes, cost) = diff_node(node1, node2, move)
return changes, cost
def diff(file1, file2, move=True):
print("\nJob started at %s, %s\n" % (time.ctime(), time.tzname[0]))
start_time = time.time()
checkpoint(start_time)
cleanup()
# base files names
base1 = base_name(file1)
base2 = base_name(file2)
# get AST of file1
f1 = open(file1, 'r')
lines1 = f1.read()
f1.close()
node1 = parse(lines1)
improve_ast(node1, lines1, file1, 'left')
# get AST of file2
f2 = open(file2, 'r')
lines2 = f2.read()
f2.close()
node2 = parse(lines2)
improve_ast(node2, lines2, file2, 'right')
print("[parse] finished in %s. Now start to diff." %
sec_to_min(checkpoint()))
# get the changes
(changes, cost) = diff_node(node1, node2, nil, nil, 0, False)
print("\n[diff] processed %d nodes in %s." %
(stat.diff_count, sec_to_min(checkpoint())))
if move:
(changes, cost) = find_all_moves((changes, cost))
print("\nfinished in %s." % sec_to_min(checkpoint()))
#---------------------- print final stats ---------------------
size1 = node_size(node1)
size2 = node_size(node2)
total = size1 + size2
report = ""
report += (
"\n--------------------- summary -----------------------") + "\n"
report += ("- total changes (chars): %d" % cost) + "\n"
report += ("- total code size: %d (left: %d right: %d)" %
(total, size1, size2)) + "\n"
report += ("- total moved pieces: %d" % stat.move_count) + "\n"
report += ("- percentage of change: %.1f%%" %
(div(cost, total) * 100)) + "\n"
report += ("-----------------------------------------------------") + "\n"
print report
#---------------------- generation HTML ---------------------
htmlize(changes, file1, file2, lines1, lines2)
dur = time.time() - start_time
print("\n[summary] Job finished at %s, %s" %
(time.ctime(), time.tzname[0]))
print("\n\tTotal duration: %s" % sec_to_min(dur))
def diff(file1, file2, move=True):
print("File 1: %s" % file1)
print("File 2: %s" % file2)
print("Start time: %s, %s" % (time.ctime(), time.tzname[0]))
start_time = time.time()
checkpoint(start_time)
cleanup()
# base files names
base1 = base_name(file1)
base2 = base_name(file2)
# get AST of file1
f1 = open(file1, 'r');
lines1 = f1.read()
f1.close()
try:
node1 = parse(lines1)
except Exception:
print('file %s cannot be parsed' % file1)
exit(-1)
improve_ast(node1, lines1, file1, 'left')
# get AST of file2
f2 = open(file2, 'r');
lines2 = f2.read()
f2.close()
try:
node2 = parse(lines2)
except Exception:
print('file %s cannot be parsed' % file2)
exit(-1)
improve_ast(node2, lines2, file2, 'right')
print("Parse finished in %s. Now start to diff." % sec_to_min(checkpoint()))
# get the changes
(changes, cost) = diff_node(node1, node2, 0, False)
print("\n[diff] processed %d nodes in %s."
% (stat.diff_count, sec_to_min(checkpoint())))
#---------------------- print final stats ---------------------
size1 = node_size(node1)
size2 = node_size(node2)
total = size1 + size2
report = ""
report += ("\n--------------------- summary -----------------------") + "\n"
report += ("- total changes (chars): %d" % cost) + "\n"
report += ("- total code size: %d (left: %d right: %d)"
% (total, size1, size2)) + "\n"
report += ("- total moved pieces: %d" % stat.move_count) + "\n"
report += ("- percentage of change: %.1f%%"
% (div(cost, total) * 100)) + "\n"
report += ("-----------------------------------------------------") + "\n"
print(report)
#---------------------- generation HTML ---------------------
htmlize(changes, file1, file2, lines1, lines2)
dur = time.time() - start_time
print("\n[summary] Job finished at %s, %s" %
(time.ctime(), time.tzname[0]))
print("\n\tTotal duration: %s" % sec_to_min(dur))
def diff(file1, file2, move=True):
print("File 1: {}".format(file1))
print("File 2: {}".format(file2))
print("Start time: {}, {}".format(time.ctime(), time.tzname[0]))
start_time = time.time()
checkpoint(start_time)
cleanup()
# base files names
base1 = base_name(file1)
base2 = base_name(file2)
print(base1, base2)
def file(file_name):
f = ''
with open(file_name, 'r') as f1:
f = f1.read()
f1.close()
return f
def node_by_file(file):
node = None
try:
node = parse(file)
except Exception:
print('file %s cannot be parsed'.format(file))
exit(-1)
return node
lines1 = file(file1)
lines2 = file(file2)
node1 = node_by_file(lines1)
node2 = node_by_file(lines2)
# get AST of file1
improve_ast(node1, lines1, file1, 'left')
# get AST of file2
improve_ast(node2, lines2, file2, 'right')
print("Parse finished in %s. Now start to diff." % sec_to_min(checkpoint()))
# get the changes
(changes, cost) = diff_node(node1, node2, 0, False)
print("\n[diff] processed {} nodes in {}.".format(stat.diff_count, sec_to_min(checkpoint())))
#---------------------- print final stats ---------------------
size1 = node_size(node1)
size2 = node_size(node2)
total = size1 + size2
report = ""
report += ("\n--------------------- summary -----------------------") + "\n"
report += ("- total changes (chars): %d" % cost) + "\n"
report += ("- total code size: %d (left: %d right: %d)"
% (total, size1, size2)) + "\n"
report += ("- total moved pieces: %d" % stat.move_count) + "\n"
report += ("- percentage of change: %.1f%%"
% (div(cost, total) * 100)) + "\n"
report += ("-----------------------------------------------------") + "\n"
print(report)
#---------------------- generation HTML ---------------------
htmlize(changes, file1, file2, lines1, lines2)
dur = time.time() - start_time
print("\n[summary] Job finished at %s, %s" %
(time.ctime(), time.tzname[0]))
print("\n\tTotal duration: %s" % sec_to_min(dur))