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From 72d3b0c995403293f65ee9a47043ebd2fdafc1cd Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Tue, 29 Mar 2022 12:17:51 +0200
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Subject: [PATCH] hwdb: fix parser to work with newer pyparsing
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The handling of whitespace in pyparsing is a bother. There's some
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global state, and per-element state, and it's hard to get a handle on
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things. With python3-pyparsing-2.4.7-10.fc36.noarch the grammar would
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not match. After handling of tabs was fixed to not accept duplicate tabs,
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the grammar passes.
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It seems that the entry for usb:v8087p8087*
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was generated incorrectly because we treated the interface line
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(with two TABs) as a device line (with one TAB).
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(cherry picked from commit f73d6895872cb9caffc523e1eddc53c9b98cfdec)
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Related: #2087778
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---
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hwdb.d/20-usb-vendor-model.hwdb | 3 ---
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hwdb.d/ids_parser.py | 10 ++++++++--
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2 files changed, 8 insertions(+), 5 deletions(-)
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diff --git a/hwdb.d/20-usb-vendor-model.hwdb b/hwdb.d/20-usb-vendor-model.hwdb
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index f40a3947c7..9f457d9f65 100644
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--- a/hwdb.d/20-usb-vendor-model.hwdb
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+++ b/hwdb.d/20-usb-vendor-model.hwdb
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@@ -69815,9 +69815,6 @@ usb:v8087p8008*
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usb:v8087p800A*
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ID_MODEL_FROM_DATABASE=Hub
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-usb:v8087p8087*
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- ID_MODEL_FROM_DATABASE=07da Centrino Advanced-N 6235
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-
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usb:v80EE*
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ID_VENDOR_FROM_DATABASE=VirtualBox
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diff --git a/hwdb.d/ids_parser.py b/hwdb.d/ids_parser.py
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index 0ce79cd97e..811c12559b 100755
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--- a/hwdb.d/ids_parser.py
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+++ b/hwdb.d/ids_parser.py
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@@ -6,7 +6,7 @@ import sys
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from pyparsing import (Word, White, Literal, Regex,
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LineEnd, SkipTo,
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ZeroOrMore, OneOrMore, Combine, Optional, Suppress,
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- Group,
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+ Group, ParserElement,
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stringEnd, pythonStyleComment)
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EOL = LineEnd().suppress()
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@@ -20,6 +20,8 @@ COMMENTLINE = pythonStyleComment + EOL
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EMPTYLINE = LineEnd()
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text_eol = lambda name: Regex(r'[^\n]+')(name) + EOL
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+ParserElement.set_default_whitespace_chars(' \n')
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+
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def klass_grammar():
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klass_line = Literal('C ').suppress() + NUM2('klass') + text_eol('text')
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subclass_line = TAB + NUM2('subclass') + text_eol('text')
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@@ -35,8 +37,12 @@ def klass_grammar():
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def usb_ids_grammar():
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vendor_line = NUM4('vendor') + text_eol('text')
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device_line = TAB + NUM4('device') + text_eol('text')
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+ interface_line = TAB + TAB + NUM4('interface') + NUM4('interface2') + text_eol('text')
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+ device = (device_line +
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+ ZeroOrMore(Group(interface_line)
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+ ^ COMMENTLINE.suppress()))
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vendor = (vendor_line('VENDOR') +
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- ZeroOrMore(Group(device_line)('VENDOR_DEV*') ^ COMMENTLINE.suppress()))
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+ ZeroOrMore(Group(device)('VENDOR_DEV*') ^ COMMENTLINE.suppress()))
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klass = klass_grammar()
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