def compare():
"""Handle requests for /compare via POST"""
# Read files
if not request.files["file1"] or not request.files["file2"]:
abort(400, "missing file")
try:
file1 = request.files["file1"].read().decode("utf-8")
file2 = request.files["file2"].read().decode("utf-8")
except Exception:
abort(400, "invalid file")
# Compare files
if not request.form.get("algorithm"):
abort(400, "missing algorithm")
elif request.form.get("algorithm") == "lines":
regexes = [f"^{re.escape(match)}$" for match in lines(file1, file2)]
elif request.form.get("algorithm") == "sentences":
regexes = [re.escape(match) for match in sentences(file1, file2)]
elif request.form.get("algorithm") == "substrings":
if not request.form.get("length"):
abort(400, "missing length")
elif not int(request.form.get("length")) > 0:
abort(400, "invalid length")
regexes = [re.escape(match) for match in substrings(
file1, file2, int(request.form.get("length")))]
else:
abort(400, "invalid algorithm")
# Highlight files
highlights1 = highlight(file1, regexes)
highlights2 = highlight(file2, regexes)
# Output comparison
return render_template("compare.html", file1=highlights1, file2=highlights2)
def compare():
"""Handle requests for /compare via POST"""
# Read files
if not request.files["file1"] or not request.files["file2"]:
abort(400, "missing file")
try:
file1 = request.files["file1"].read().decode("utf-8")
file2 = request.files["file2"].read().decode("utf-8")
except Exception:
abort(400, "invalid file")
# Compare files
if not request.form.get("algorithm"):
abort(400, "missing algorithm")
elif request.form.get("algorithm") == "lines":
regexes = [f"^{re.escape(match)}$" for match in lines(file1, file2)]
elif request.form.get("algorithm") == "sentences":
regexes = [re.escape(match) for match in sentences(file1, file2)]
elif request.form.get("algorithm") == "substrings":
if not request.form.get("length"):
abort(400, "missing length")
elif not int(request.form.get("length")) > 0:
abort(400, "invalid length")
regexes = [re.escape(match) for match in substrings(
file1, file2, int(request.form.get("length")))]
else:
abort(400, "invalid algorithm")
# Highlight files
highlights1 = highlight(file1, regexes)
highlights2 = highlight(file2, regexes)
# Output comparison
return render_template("compare.html", file1=highlights1, file2=highlights2)
def main():
# Parse command-line arguments
parser = ArgumentParser()
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument("--lines", action="store_true", help="compare lines")
parser.add_argument("FILE1", help="file to compare")
parser.add_argument("FILE2", help="file to compare")
args = vars(parser.parse_args())
# Read files
try:
with open(args["FILE1"], "r") as file:
file1 = file.read()
except IOError:
sys.exit(f"Could not read {args['FILE1']}")
try:
with open(args["FILE2"], "r") as file:
file2 = file.read()
except IOError:
sys.exit(f"Could not read {args['FILE2']}")
# Compare files
if args["lines"]:
matches = lines(file1, file2)
# Output sorted matches
for match in sorted(matches, key=len, reverse=True):
print(match)
def compare():
# resource: pset6 similiarities less version
# Read files
if not request.files["file1"] or not request.files["file2"]:
abort(400, "missing file")
try:
file1 = request.files["file1"].read().decode("utf-8")
file2 = request.files["file2"].read().decode("utf-8")
except Exception:
abort(400, "invalid file")
# Compare files
if not request.form.get("algorithm"):
abort(400, "missing algorithm")
elif request.form.get("algorithm") == "lines":
matches = lines(file1, file2)
else:
abort(400, "invalid algorithm")
# Output comparison
return render_template("compare.html", file1=file1, file2=file2)
def main():
# Parse command-line arguments
parser = argparse.ArgumentParser()
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument("--lines", action="store_true", help="compare lines")
group.add_argument("--sentences",
action="store_true",
help="compare sentences")
group.add_argument("--substrings",
metavar="N",
type=positive,
help="compare substrings of length N")
parser.add_argument("FILE1", help="file to compare")
parser.add_argument("FILE2", help="file to compare")
args = vars(parser.parse_args())
# Read files
try:
with open(args["FILE1"], "r") as file:
file1 = file.read()
except IOError:
sys.exit(f"Could not read {args['FILE1']}")
try:
with open(args["FILE2"], "r") as file:
file2 = file.read()
except IOError:
sys.exit(f"Could not read {args['FILE2']}")
# Compare files
if args["lines"]:
matches = lines(file1, file2)
elif args["sentences"]:
matches = sentences(file1, file2)
elif args["substrings"]:
matches = substrings(file1, file2, args["substrings"])
# Output matches, sorted from longest to shortest, with line endings escaped
for match in sorted(matches, key=len, reverse=True):
print(match.replace("\n", "\\n").replace("\r", "\\r"))
