Source code for scrapple.cmd

"""
Usage:
    scrapple (-h | --help | --version)
    scrapple genconfig <projectname> <url> [--type=<type>] [--selector=<selector>]
    scrapple run <projectname> <output_filename> [--output_type=<output_type>]
    scrapple generate <projectname> <output_filename> [--output_type=<output_type>]
    scrapple web

Options:
    -h, --help
        Show this help message and exit
    --version
        Display the version of Scrapple
    --type=<type>, -t <type>
        Specifies if the script generated is a page scraper or a crawler [default: scraper]
    --selector=<selector>, -s <selector>
        Specifies if XPath expressions or CSS selectors are used [default: xpath]
    --output_type=<output_type>, -o <output_type>
        Specifies if the generated output is stored as CSV or JSON [default: json]
"""

from __future__ import print_function
from docopt import docopt
from operator import itemgetter

from scrapple.utils.dynamicdispatch import get_command_class
from scrapple.utils.exceptions import handle_exceptions


[docs]def runCLI(): """ The starting point for the execution of the Scrapple command line tool. runCLI uses the docstring as the usage description for the scrapple command. \ The class for the required command is selected by a dynamic dispatch, and the \ command is executed through the execute_command() method of the command class. """ args = docopt(__doc__, version='0.2.4') try: handle_exceptions(args) command_list = ['genconfig', 'run', 'generate', 'web'] select = itemgetter('genconfig', 'run', 'generate', 'web') selectedCommand = command_list[select(args).index(True)] cmdClass = get_command_class(selectedCommand) obj = cmdClass(args) obj.execute_command() except Exception as e: print('\n', e, '\n')
if __name__ == '__main__': runCLI()