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PatentClaimVisualizer.py
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#!/usr/bin/env python3
#
# PatentClaimVisualizer.py ... Draw the claim hierarchy of a patent
#
# Copyright (c) 2011 KennyTM~ <[email protected]>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# * Neither the name of the KennyTM~ nor the names of its contributors may be
# used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
from tkinter import *
from tkinter.ttk import *
from tkinter.messagebox import showerror
from tkinter.scrolledtext import ScrolledText
from lxml import html
from collections import namedtuple
import re
import sys
COMMAND_KEY = 'Command' if sys.platform == 'darwin' else 'Control'
# ref: http://stackoverflow.com/questions/4266566/how-to-show-the-stardand-popup-menu-in-python-tkinter-text-widget-when-mouse-righ
def rClicker(e):
'right click context menu for all Tk Entry and Text widgets'
try:
def rClick_Copy(e, apnd=0):
e.widget.event_generate('<' + COMMAND_KEY + '-c>')
def rClick_Cut(e):
e.widget.event_generate('<' + COMMAND_KEY + '-x>')
def rClick_Paste(e):
e.widget.event_generate('<' + COMMAND_KEY + '-v>')
e.widget.focus()
nclst=[(' Cut', lambda e=e: rClick_Cut(e)), (' Copy', lambda e=e: rClick_Copy(e)), (' Paste', lambda e=e: rClick_Paste(e))]
rmenu = Menu(None, tearoff=0, takefocus=0)
for (txt, cmd) in nclst:
rmenu.add_command(label=txt, command=cmd)
rmenu.tk_popup(e.x_root+40, e.y_root+10,entry="0")
except TclError:
print(' - rClick menu, something wrong')
pass
return "break"
start_of_claim_matcher = re.compile(r'^(\d+)\.').match
claim_type_matcher = re.compile(r'^(\d+)\.\s*(?:An?|The)?\s+(.+?)\s+(?:in the form|operating|according|comprising|adapted|using|that|for|of|as)').match
parent_searcher = re.compile(r'claim\s+(\d+)').search
class ClaimRetrievalError(Exception):
def __init__(self, msg):
self.msg = msg
def __str__(self):
return self.msg
def get_claims_from_url(url):
try:
root = html.parse(url)
except IOError as e:
raise ClaimRetrievalError(str(e))
patent_div = root.find('//div[@id="patent_claims_v"]')
if patent_div is None:
raise ClaimRetrievalError("No claims found")
previous_claim = []
append_to_claim = previous_claim.append
for tag in patent_div.iterdescendants():
claim_text = tag.text
if claim_text:
if tag.tag == 'dd':
claim_text = " " + claim_text
elif start_of_claim_matcher(claim_text):
if previous_claim:
yield '\n\n'.join(previous_claim)
previous_claim = []
append_to_claim = previous_claim.append
append_to_claim(claim_text)
if previous_claim:
yield '\n'.join(previous_claim)
Claim = namedtuple('Claim', 'index,type,parent,text')
def parse_claims(claims):
for claim in claims:
claim_type_match = claim_type_matcher(claim)
if claim_type_match:
index = claim_type_match.group(1)
type_ = claim_type_match.group(2)
else:
start_of_claim_match = start_of_claim_matcher(claim)
index = start_of_claim_match.group(1) if start_of_claim_match else '-'
type_ = '(N/A)'
parent_match = parent_searcher(claim)
parent = parent_match.group(1) if parent_match else ''
yield Claim(index, type_, parent, claim)
class PCVApp(Frame):
def __init__(self, master=None):
super().__init__(master)
self.pack(fill='both', expand=True)
self.create_widgets()
def create_widgets(self):
url_frame = Frame(self)
url_frame.pack(anchor='w', fill='x')
url_label = Label(url_frame, text='Google Patent URL: ')
url_label.pack(side='left')
url_entry = Entry(url_frame, width=75)
url_entry.pack(side='left', expand=True, fill='x')
url_entry.bind('<Return>', self.analyze_patent)
url_entry.bind('<2>', rClicker)
claim_pane = PanedWindow(self, orient=HORIZONTAL)
claim_pane.pack(anchor='n', fill='both', expand=True)
claim_treeview = Treeview(claim_pane, columns=('Type',), displaycolumns='#all', selectmode='browse')
claim_treeview.column('Type', stretch=True)
claim_treeview.heading('Type', text='Type')
claim_treeview.heading('#0', text='#')
claim_treeview.bind('<<TreeviewSelect>>', self.display_claim)
claim_pane.add(claim_treeview)
claim_text = ScrolledText(claim_pane, font=('Helvetica', 17), wrap='word')
claim_text.bind('<2>', rClicker)
claim_pane.add(claim_text)
self.claim_treeview = claim_treeview
self.claim_text = claim_text
def analyze_patent(self, event):
claim_treeview = self.claim_treeview
url = event.widget.get()
if not url.startswith('http'):
url = 'http://www.google.com/patents/about?id=' + url
try:
claim_treeview.delete(*claim_treeview.get_children())
for index, type_, parent, text in parse_claims(get_claims_from_url(url)):
claim_treeview.insert(parent=parent, index='end', iid=index, text=index, values=(type_,), open=True, tags=(text,))
except ClaimRetrievalError as e:
showerror('Claim retrieval failed', str(e), parent=self)
def display_claim(self, event):
claim_treeview = event.widget
item = claim_treeview.focus()
tags = claim_treeview.item(item, 'tags')
claim_text = self.claim_text
claim_text.delete("1.0", END)
claim_text.insert("1.0", tags[0])
root = Tk()
if __name__ == '__main__':
app = PCVApp(master=root)
root.title('Patent claim visualizer')
app.mainloop()