155 lines
6.6 KiB
Python
155 lines
6.6 KiB
Python
# -*- coding: utf-8 -*-
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from pprint import pprint
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import click
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from . import __version__
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from .io import read_pdf
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class Config(object):
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def __init__(self):
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self.config = {}
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def set_config(self, key, value):
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self.config[key] = value
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pass_config = click.make_pass_decorator(Config)
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@click.group()
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@click.version_option(version=__version__)
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@click.option("-p", "--pages", default="1", help="Comma-separated page numbers"
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" to parse. Example: 1,3,4 or 1,4-end")
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@click.option("-o", "--output", help="Output filepath.")
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@click.option("-f", "--format",
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type=click.Choice(["csv", "json", "excel", "html"]),
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help="Output file format.")
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@click.option("-z", "--zip", is_flag=True, help="Whether or not to create a ZIP"
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" archive.")
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@click.option("-split", "--split_text", is_flag=True, help="Whether or not to"
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" split text if it spans across multiple cells.")
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@click.option("-flag", "--flag_size", is_flag=True, help="(inactive) Whether or"
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" not to flag text which has uncommon size. (Useful to detect"
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" super/subscripts)")
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@click.option("-M", "--margins", nargs=3, default=(1.0, 0.5, 0.1),
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help="char_margin, line_margin, word_margin for PDFMiner.")
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@click.pass_context
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def cli(ctx, *args, **kwargs):
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ctx.obj = Config()
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for key, value in kwargs.iteritems():
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ctx.obj.set_config(key, value)
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@cli.command('lattice')
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@click.option("-T", "--table_area", default=[], multiple=True,
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help="Table areas (x1,y1,x2,y2) to process.\n"
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" x1, y1 -> left-top and x2, y2 -> right-bottom")
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@click.option("-back", "--process_background", is_flag=True,
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help="(with --mesh) Whether or not to process lines that are in"
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" background.")
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@click.option("-scale", "--line_size_scaling", default=15,
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help="(with --mesh) Factor by which the page dimensions will be"
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" divided to get smallest length of detected lines.")
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@click.option("-copy", "--copy_text", default=[], type=click.Choice(["h", "v"]),
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multiple=True, help="(with --mesh) Specify direction"
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" in which text will be copied over in a spanning cell.")
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@click.option("-shift", "--shift_text", default=["l", "t"],
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type=click.Choice(["", "l", "r", "t", "b"]), multiple=True,
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help="(with --mesh) Specify direction in which text in a spanning"
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" cell should flow.")
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@click.option("-l", "--line_close_tol", default=2,
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help="(with --mesh) Tolerance parameter used to merge close vertical"
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" lines and close horizontal lines.")
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@click.option("-j", "--joint_close_tol", default=2,
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help="(with --mesh) Tolerance parameter used to decide whether"
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" the detected lines and points lie close to each other.")
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@click.option("-block", "--threshold_blocksize", default=15,
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help="(with --mesh) For adaptive thresholding, size of a pixel"
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" neighborhood that is used to calculate a threshold value for"
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" the pixel: 3, 5, 7, and so on.")
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@click.option("-const", "--threshold_constant", default=-2,
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help="(with --mesh) For adaptive thresholding, constant subtracted"
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" from the mean or weighted mean.\nNormally, it is positive but"
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" may be zero or negative as well.")
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@click.option("-I", "--iterations", default=0,
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help="(with --mesh) Number of times for erosion/dilation is"
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" applied.")
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@click.option("-plot", "--plot_type",
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type=click.Choice(["text", "table", "contour", "joint", "line"]),
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help="Plot geometry found on PDF page for debugging.")
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@click.argument("filepath", type=click.Path(exists=True))
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@pass_config
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def lattice(c, *args, **kwargs):
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"""Use lines between text to generate table."""
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conf = c.config
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pages = conf.pop("pages")
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output = conf.pop("output")
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f = conf.pop("format")
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compress = conf.pop("zip")
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plot_type = kwargs.pop('plot_type')
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filepath = kwargs.pop("filepath")
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kwargs.update(conf)
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table_area = list(kwargs['table_area'])
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kwargs['table_area'] = None if not table_area else table_area
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copy_text = list(kwargs['copy_text'])
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kwargs['copy_text'] = None if not copy_text else copy_text
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kwargs['shift_text'] = list(kwargs['shift_text'])
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tables = read_pdf(filepath, pages=pages, flavor='lattice', **kwargs)
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click.echo(tables)
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if plot_type is not None:
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for table in tables:
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table.plot(plot_type)
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else:
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if output is None:
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raise click.UsageError("Please specify output filepath using --output")
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if f is None:
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raise click.UsageError("Please specify output format using --format")
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tables.export(output, f=f, compress=compress)
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@cli.command('stream')
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@click.option("-T", "--table_area", default=[], multiple=True,
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help="Table areas (x1,y1,x2,y2) to process.\n"
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" x1, y1 -> left-top and x2, y2 -> right-bottom")
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@click.option("-C", "--columns", default=[], multiple=True,
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help="x-coordinates of column separators.")
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@click.option("-r", "--row_close_tol", default=2, help="Rows will be"
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" formed by combining text vertically within this tolerance.")
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@click.option("-c", "--col_close_tol", default=0, help="Columns will"
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" be formed by combining text horizontally within this tolerance.")
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@click.option("-plot", "--plot_type",
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type=click.Choice(["text", "table"]),
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help="Plot geometry found on PDF page for debugging.")
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@click.argument("filepath", type=click.Path(exists=True))
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@pass_config
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def stream(c, *args, **kwargs):
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"""Use spaces between text to generate table."""
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conf = c.config
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pages = conf.pop("pages")
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output = conf.pop("output")
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f = conf.pop("format")
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compress = conf.pop("zip")
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plot_type = kwargs.pop('plot_type')
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filepath = kwargs.pop("filepath")
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kwargs.update(conf)
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table_area = list(kwargs['table_area'])
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kwargs['table_area'] = None if not table_area else table_area
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columns = list(kwargs['columns'])
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kwargs['columns'] = None if not columns else columns
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tables = read_pdf(filepath, pages=pages, flavor='stream', **kwargs)
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click.echo(tables)
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if plot_type is not None:
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for table in tables:
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table.plot(plot_type)
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else:
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if output is None:
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raise click.UsageError("Please specify output filepath using --output")
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if f is None:
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raise click.UsageError("Please specify output format using --format")
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tables.export(output, f=f, compress=compress) |