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Richard Jones
281
mess.py
Normal file
281
mess.py
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import glob
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import os
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import pickle
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import re
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import subprocess
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from xml.sax.saxutils import unescape
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import zipfile
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from lxml import etree
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class MessROM(object):
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''' One Mame Software List ROM '''
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def __init__(self):
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self.name = ''
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self.cloneof = None
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self.description = ''
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self.year = ''
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self.manufacturer = ''
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self.category = ''
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def __str__(self):
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return self.description
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# return '["%s", "%s", "%s", "%s", "%s" "%s", "%s"]' % (
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# self.name, self.cloneof, self.description, self.year,
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# self.manufacturer, self.status, self.category)
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def __repr__(self):
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return '%s("%s", "%s", "%s", "%s", "%s", "%s")' % (
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self.__class__.__name__, self.name, self.cloneof, self.description,
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self.year, self.manufacturer, self.category)
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class MessROMs(object):
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''' A Collection of MAME Software List Roms '''
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def __init__(self, data_dir, cfg):
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self.all_roms = []
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self.roms = []
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self.categories = []
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self.all_categories = []
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self.catdict = {}
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self.len = 0
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self.data_dir = data_dir
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self.cfg = cfg
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self.emulator_dir = os.path.split(cfg['EXE'])[0]
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self.parse()
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self.filter()
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self.snapdir = os.path.join(self.emulator_dir, 'snap')
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if os.path.isfile(os.path.join(self.snapdir, 'snap.zip')):
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self.snapfile = zipfile.ZipFile(
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os.path.join(self.snapdir, "snap.zip"))
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else:
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self.snapfile = None
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self.snapdir = os.path.join(self.snapdir, 'snap')
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infofn = os.path.join(self.emulator_dir, 'messinfo.dat')
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if not os.path.isfile(infofn):
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self.info = None
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else:
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with open(infofn, 'rt', encoding='latin1') as f:
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self.info = f.read()
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historyfn = os.path.join(self.emulator_dir, 'history.dat')
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if not os.path.isfile(historyfn):
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self.history = None
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else:
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with open(historyfn, 'rt', encoding='utf-8') as f:
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self.history = f.read()
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def __len__(self):
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return self.len
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def __getitem__(self, item):
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return self.roms[item]
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def filter(self):
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self.roms = []
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for rom in self.all_roms:
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if self.cfg["Category"] == "All Games" or self.cfg["Category"] == rom.category:
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if self.cfg["ShowClones"] or rom.cloneof is None:
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self.roms.append(rom)
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if self.cfg["Sort"] == "Name Asc":
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self.roms.sort(key=lambda x: x.description.lower(), reverse=False)
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elif self.cfg["Sort"] == "Name Dec":
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self.roms.sort(key=lambda x: x.description.lower(), reverse=True)
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elif self.cfg["Sort"] == "Year Asc":
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self.roms.sort(key=lambda x: x.year.lower(), reverse=False)
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elif self.cfg["Sort"] == "Year Dec":
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self.roms.sort(key=lambda x: x.year.lower(), reverse=True)
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self.len = len(self.roms)
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self.categories = self.all_categories
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def parse(self):
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""" Parse xml """
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mess_version = self.get_mess_version()
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datfile = os.path.join(self.data_dir, 'mess.dat')
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if self.cfg['Version'] != mess_version:
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self.cfg['Version'] = mess_version
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if os.path.isfile(datfile):
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os.unlink(datfile)
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if os.path.isfile(datfile):
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with open(datfile, 'rb') as i:
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temp_mess_version = pickle.load(i)
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if temp_mess_version == mess_version:
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self.all_categories = pickle.load(i)
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self.all_roms = pickle.load(i)
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return True
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else:
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os.unlink(datfile)
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self.all_categories = []
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self.catdict = {}
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files = glob.glob(os.path.join(self.emulator_dir, "hash", '*.xml'))
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for file in files:
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with open(file, 'rt', encoding='utf-8') as f:
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line = None
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while True:
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line = f.readline().strip()
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if line.startswith('<softwarelist name'):
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break
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self.all_categories.append(
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unescape(line[line.find('ion=') + 5:-2]))
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self.catdict[self.all_categories[-1]] = file
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self.catdict[file] = self.all_categories[-1]
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# TODO: Fix me for emulator names
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# <softwarelist name="n64" description="Nintendo 64 cartridges">
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self.all_categories.sort()
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# pylint: disable=no-member
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for xmlfile in files:
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tree = etree.parse(xmlfile)
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rom = None
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for child in tree.getiterator():
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if child.tag == 'software':
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if rom:
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rom.category = self.catdict[xmlfile]
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self.all_roms.append(rom)
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rom = None
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if 'supported' not in child.attrib or child.attrib['supported'] != 'no':
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rom = MessROM()
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rom.name = child.attrib['name']
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else:
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rom = None
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if rom and 'cloneof' in child.attrib:
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rom.cloneof = child.attrib['cloneof']
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elif rom and child.tag == 'description':
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rom.description = child.text
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elif rom and child.tag == 'year':
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rom.year = child.text
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elif rom and child.tag == 'publisher':
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rom.manufacturer = child.text
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if rom:
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rom.category = self.catdict[xmlfile]
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self.all_roms.append(rom)
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self.all_categories.insert(0, 'All Games')
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self.all_categories.append('Unknown')
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with open(datfile, 'wb') as output:
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pickle.dump(mess_version, output)
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pickle.dump(self.all_categories, output)
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pickle.dump(self.all_roms, output)
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return True
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def get_mess_version(self):
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mamerun = subprocess.run(
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[self.cfg['EXE'], '-?'], stdout=subprocess.PIPE)
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output = mamerun.stdout.decode('utf-8')
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output = output[output.find('v'):]
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output = output[:output.find(' ')]
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return output
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def get_snap(self, rom, type_of_image): # pylint : disable=R0912
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data = None
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image_file = None
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image_dir = None
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if type_of_image == 'snap':
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image_dir = self.snapdir
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image_file = self.snapfile
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if image_file:
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try:
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data = image_file.read(rom.name + ".png")
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except:
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try:
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data = image_file.read(rom.cloneof + '.png')
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except:
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data = None
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elif image_dir:
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fn = os.path.join(image_dir, rom.name + '.png')
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if os.path.isfile(fn):
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with open(fn, 'rb') as f:
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data = f.read()
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elif rom.cloneof:
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fn = os.path.join(image_dir, rom.cloneof + '.png')
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if os.path.isfile(fn):
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with open(fn, 'rb') as f:
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data = f.read()
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else:
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data = None
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else:
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data = None
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else:
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data = None
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return data
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def get_info(self, rom):
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if not self.info:
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return
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search = re.search("\\$info=%s" % rom.name, self.info)
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if not search:
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search = re.search("\\$info=%s" % rom.cloneof, self.info)
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if not search:
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return None
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start = search.start()
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info = self.info[start:self.info.find('$end', start)].splitlines()
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for i in range(len(info) - 1, -1, -1):
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if info[i].startswith('$'):
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del info[i]
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while info[0].strip() == '':
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del info[0]
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while info[len(info) - 1].strip() == '':
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del info[len(info) - 1]
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return '\n'.join(info)
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def get_history(self, rom):
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print(rom.name)
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if not self.history:
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return
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search = re.search("\\$info=%s" % rom.name, self.history)
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if not search:
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search = re.search("\\$info=%s" % rom.cloneof, self.history)
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if not search:
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return None
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start = search.start()
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info = self.history[start:self.history.find('$end',
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start)].splitlines()
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for i in range(len(info) - 1, -1, -1):
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if info[i].startswith('$'):
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del info[i]
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while info[0].strip() == '':
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del info[0]
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while info[len(info) - 1].strip() == '':
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del info[len(info) - 1]
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return '\n'.join(info)
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