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Commit b87a615

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kyclarkkyclark
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piggy discussion
1 parent 36b8872 commit b87a615
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‎bin/chapters.txt‎

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+1-1Lines changed: 1 addition & 1 deletion
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@@ -25,7 +25,7 @@ kentucky_friar
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mad_libs
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license_plates
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gibberish
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piggie
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piggy
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soundex_rhymer
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substring
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tictactoe
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‎book.md‎

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+359-89Lines changed: 359 additions & 89 deletions
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‎family_tree/Digraph.gv.pdf‎

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‎family_tree/solution.py‎

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#!/usr/bin/env python3
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"""Display a family tree"""
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import argparse
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import os
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import re
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from dire import die
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from graphviz import Digraph
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# --------------------------------------------------
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def get_args():
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"""Get command-line arguments"""
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parser = argparse.ArgumentParser(
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description='Display a family tree',
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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parser.add_argument('file',
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metavar='FILE',
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type=argparse.FileType('r'),
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help='File input')
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parser.add_argument('-o',
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'--outfile',
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help='Output filename',
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metavar='str',
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type=str,
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default='')
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parser.add_argument('-v', '--view', help='View image', action='store_true')
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return parser.parse_args()
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# --------------------------------------------------
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def main():
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"""Make a jazz noise here"""
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args = get_args()
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fh = args.file
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out_file = args.outfile or os.path.basename(fh.name) + '.gv'
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nodes, edges = parse_tree(fh)
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if not nodes and not edges:
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die('No nodes or edges in "{}".'.format(fh.name))
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dot = Digraph(comment='Tree')
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# keys are initials which we don't need
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for _, name in nodes.items():
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dot.node(name)
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for n1, n2 in edges:
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# see if node has alias in nodes, else use node itself
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n1 = nodes.get(n1, n1)
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n2 = nodes.get(n2, n2)
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dot.edge(n1, n2)
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dot.render(out_file, view=args.view)
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print('Done, see output in "{}".'.format(out_file))
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# --------------------------------------------------
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def parse_tree(fh):
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"""parse input file"""
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name_patt = r'(.+)\s*=\s*(.+)'
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married_patt = r'(.+)\s+married\s+(.+)'
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begat_patt = r'(.+)\s+and\s+(.+)\s+begat\s+(.+)'
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edges = set()
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nodes = {}
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for line in fh:
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name_match = re.match(name_patt, line)
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begat_match = re.match(begat_patt, line)
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married_match = re.match(married_patt, line)
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if name_match:
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initials, name = name_match.groups()
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nodes[initials.strip()] = name.strip()
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elif married_match:
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p1, p2 = married_match.groups()
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edges.add((p1.strip(), p2.strip()))
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elif begat_match:
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p1, p2, begat = begat_match.groups()
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children = re.split(r'\s*,\s*', begat)
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for parent in p1, p2:
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for child in children:
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edges.add((parent.strip(), child.strip()))
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return nodes, edges
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# --------------------------------------------------
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if __name__ == '__main__':
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main()
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‎inputs/nobody.txt‎

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I'm Nobody! Who are you?
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Are you -- Nobody -- too?
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Then there’s a pair of us!
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Don’t tell! they’d advertise -- you know!
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Don't tell! they'd advertise -- you know!
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How dreary -- to be -- Somebody!
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How public -- like a Frog --
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‎inputs/spiders.txt‎

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Don’t worry, spiders,
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I keep house
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casually.
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‎piggie/Makefile‎

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‎piggie/README.md‎

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‎piggie/mk-outs.sh‎

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‎piggie/out-yay/61ndn‎

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