PatentClaimVisualizer.py (not for legal use) (hope this doesn't viola…

…te any patents :p)

PatentClaimVisualizer.py

@@ -0,0 +1,184 @@
+#!/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()
+