
"""simple docstring"""







import unittest

from transformers.testing_utils import require_bsa
from transformers.utils import is_bsa_available

from ...test_feature_extraction_common import FeatureExtractionSavingTestMixin


if is_bsa_available():
							from transformers import MarkupLMFeatureExtractor




class  A__       (	unittest.TestCase):

		def __init__(      self       ,		_SCREAMING_SNAKE_CASE ):
			__lowerCAmelCase			:						Optional[int]									=      parent







		def 							__lowerCamelCase							(      self ):
			return {}



def     __lowerCAmelCase				():
	__lowerCAmelCase			:						Tuple									=      '<HTML>\n\n    <HEAD>\n    <TITLE>sample document</TITLE>\n    </HEAD>\n\n    <BODY BGCOLOR=\"FFFFFF\">\n    <HR>\n    <a href=\"http://google.com\">Goog</a>\n    <H1>This is one header</H1>\n    <H2>This is a another Header</H2>\n    <P>Travel from\n        <P>\n        <B>SFO to JFK</B>\n        <BR>\n        <B><I>on May 2, 2015 at 2:00 pm. For details go to confirm.com </I></B>\n        <HR>\n        <div style=\"color:#0000FF\">\n            <h3>Traveler <b> name </b> is\n            <p> John Doe </p>\n        </div>'

	__lowerCAmelCase			:						str									=      '\n    <!DOCTYPE html>\n    <html>\n    <body>\n\n    <h1>My First Heading</h1>\n    <p>My first paragraph.</p>\n\n    </body>\n    </html>\n    '

	return [html_string_a, html_string_a]




@require_bsa
class  A__       (	_lowerCamelCase       ,     unittest.TestCase):
		A_						:       Optional[Any]				   =	MarkupLMFeatureExtractor if is_bsa_available() else None

		def 							__lowerCamelCase							(      self ):
			__lowerCAmelCase			:						Dict									=      MarkupLMFeatureExtractionTester(self )

		@property
		def 							__lowerCamelCase							(      self ):
			return self.feature_extract_tester.prepare_feat_extract_dict()







		def 							__lowerCamelCase							(      self ):
			__lowerCAmelCase			:						Optional[Any]									=      self.feature_extraction_class()

			# Test not batched input
			__lowerCAmelCase			:						Dict									=      get_html_strings()[0]
			__lowerCAmelCase			:						Tuple									=      feature_extractor(__lowerCAmelCase )

			# fmt: off
			__lowerCAmelCase			:						Any									=      [['sample document', 'Goog', 'This is one header', 'This is a another Header', 'Travel from', 'SFO to JFK', 'on May 2, 2015 at 2:00 pm. For details go to confirm.com', 'Traveler', 'name', 'is', 'John Doe']]
			__lowerCAmelCase			:						List[Any]									=      [['/html/head/title', '/html/body/a', '/html/body/h1', '/html/body/h2', '/html/body/p', '/html/body/p/p/b[1]', '/html/body/p/p/b[2]/i', '/html/body/p/p/div/h3', '/html/body/p/p/div/h3/b', '/html/body/p/p/div/h3', '/html/body/p/p/div/h3/p']]
			# fmt: on

			self.assertEqual(encoding.nodes       ,		__lowerCAmelCase )
			self.assertEqual(encoding.xpaths       ,		__lowerCAmelCase )

			# Test batched
			__lowerCAmelCase			:						int									=      get_html_strings()
			__lowerCAmelCase			:						List[str]									=      feature_extractor(__lowerCAmelCase )

			# fmt: off
			__lowerCAmelCase			:						Dict									=      expected_nodes + [['My First Heading', 'My first paragraph.']]
			__lowerCAmelCase			:						Tuple									=      expected_xpaths + [['/html/body/h1', '/html/body/p']]

			self.assertEqual(len(encoding.nodes )       ,		2 )
			self.assertEqual(len(encoding.xpaths )       ,		2 )

			self.assertEqual(encoding.nodes       ,		__lowerCAmelCase )
			self.assertEqual(encoding.xpaths       ,		__lowerCAmelCase )
"""simple docstring"""






from __future__ import annotations

from scipy.special import comb  # type: ignore





class  _A						:

      def __init__(						self		,       __lowerCAmelCase						):







            """simple docstring"""



            lowercase														=	list_of_points
            # Degree determines the flexibility of the curve.
            # Degree = 1 will produce a straight line.
            lowercase														=	len(__lowerCAmelCase						) - 1

      def 				A__       (						self		,       __lowerCAmelCase						):







            """simple docstring"""



            assert 0 <= t <= 1, "Time t must be between 0 and 1."
            lowercase														=	[]
            for i in range(len(self.list_of_points						)						):
                  # basis function for each i
                  output_values.append(
                      comb(self.degree		,       __lowerCAmelCase						) * ((1 - t) ** (self.degree - i)) * (t**i)						)
            # the basis must sum up to 1 for it to produce a valid Bezier curve.
            assert round(sum(__lowerCAmelCase						)		,       5						) == 1
            return output_values

      def 				A__       (						self		,       __lowerCAmelCase						):







            """simple docstring"""



            assert 0 <= t <= 1, "Time t must be between 0 and 1."

            lowercase														=	self.basis_function(__lowerCAmelCase						)
            lowercase														=	0.0
            lowercase														=	0.0
            for i in range(len(self.list_of_points						)						):
                  # For all points, sum up the product of i-th basis function and i-th point.
                  x += basis_function[i] * self.list_of_points[i][0]
                  y += basis_function[i] * self.list_of_points[i][1]
            return (x, y)







      def 				A__       (						self		,       __lowerCAmelCase = 0.0_1						):







            """simple docstring"""



            from matplotlib import pyplot as plt  # type: ignore

            lowercase														=	[]  # x coordinates of points to plot
            lowercase														=	[]  # y coordinates of points to plot

            lowercase														=	0.0
            while t <= 1:
                  lowercase														=	self.bezier_curve_function(__lowerCAmelCase						)
                  to_plot_x.append(value[0]						)
                  to_plot_y.append(value[1]						)
                  t += step_size

            lowercase														=	[i[0] for i in self.list_of_points]
            lowercase														=	[i[1] for i in self.list_of_points]

            plt.plot(
                __lowerCAmelCase		,       __lowerCAmelCase		,       color="""blue"""		,       label="""Curve of Degree """ + str(self.degree						)		,       )
            plt.scatter(__lowerCAmelCase		,       __lowerCAmelCase		,       color="""red"""		,       label="""Control Points"""						)
            plt.legend()
            plt.show()


if __name__ == "__main__":
       import doctest

       doctest.testmod()

       BezierCurve([(1, 2), (3, 5)]).plot_curve()  # degree 1
       BezierCurve([(0, 0), (5, 5), (5, 0)]).plot_curve()  # degree 2
       BezierCurve([(0, 0), (5, 5), (5, 0), (2.5, -2.5)]).plot_curve()  # degree 3



