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| try: |
| import pandas as pd |
| except ImportError: |
| print("Please install the pandas package with 'pip install pandas' and try again.") |
| exit(1) |
|
|
| import argparse |
|
|
| _VERSION = "1.01" |
|
|
| class ExplicitDefaultsHelpFormatter(argparse.ArgumentDefaultsHelpFormatter): |
| def _get_help_string(self, action): |
| if action.default is None or action.default is False: |
| return action.help |
| return super()._get_help_string(action) |
|
|
| def main(args): |
| """ |
| This script flags (by setting True the corresponding entry of |
| the hall_long_word column) those sentences where at least one |
| word is abnormally long; the abnormality is set through the |
| thresh parameter, whose default value is 40. |
| """ |
|
|
| if (parsed_args.version): |
| print(f"Version {_VERSION} of anomalous string detector") |
| exit(1) |
|
|
| if not (tsv_files_specified): |
| print("--tsv-InFile and --tsv-OutFile are both required") |
| parser.print_usage() |
| exit(1) |
|
|
| inDF = pd.read_csv(args.tsv_InFile, sep='\t', dtype=str, low_memory=False, na_filter=False, quoting=3) |
| try: |
| txt = inDF[parsed_args.column] |
| except KeyError: |
| print("Error in reading column <"+parsed_args.column+"> in TSV file") |
| exit(1) |
|
|
| flag = [] |
| for line in txt: |
| anomal = False |
| try: |
| words = line.split() |
| except TabError: |
| words = [] |
| for w in words: |
| lw=len(w.strip()) |
| if lw > parsed_args.thresh: |
| if args.quiet: |
| flag.append("True") |
| else: |
| flag.append("True ("+str(lw)+"): "+w.strip()) |
| anomal = True |
| break |
| if not anomal: |
| flag.append("False") |
|
|
| inDF['hall_long_word'] = flag |
| inDF.to_csv(args.tsv_OutFile, sep="\t", index=False, quoting=3) |
|
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|
|
| if __name__ == '__main__': |
| parser = argparse.ArgumentParser(formatter_class=ExplicitDefaultsHelpFormatter) |
|
|
| |
| parser.add_argument( |
| '--tsv-InFile', '-i', type=str, |
| help="The input TSV file [Mandatory]") |
|
|
| parser.add_argument( |
| '--tsv-OutFile', '-o', type=str, |
| help="The output TSV file [Mandatory. If equal to input TSV file, the new column is added to the original file]") |
|
|
| |
| parser.add_argument( |
| '--column', '-c', default='source', |
| help="Column name of the text to process [Optional]") |
|
|
| parser.add_argument( |
| '--thresh', '-t', type=int, default=40, |
| help="Max number of chars of a string to be unflagged [Optional]") |
|
|
| |
| parser.add_argument( |
| '--quiet', '-q', default=False, action='store_true', |
| help='Print only True/False, no explanation for True\'s') |
|
|
| |
| parser.add_argument( |
| '--version', '-v', action='store_true', default=False, |
| help="Print version of the script and exit") |
|
|
| |
| parsed_args = parser.parse_args() |
| tsv_files_specified = \ |
| getattr(parsed_args, 'tsv_InFile') is not None \ |
| and len(parsed_args.tsv_InFile) > 0 \ |
| and getattr(parsed_args, 'tsv_OutFile') is not None \ |
| and len(parsed_args.tsv_OutFile) > 0 |
|
|
| main(parsed_args) |
|
|
