Grub parsing rewrite

grub_read.py

def read_grub():
    global menu_entries
    grub_path = os.path.join(install_path, 'boot', 'grub', 'grub.cfg')
    o = False
    with open(grub_path, 'r') as f:
        for l in f:
            if l.strip()[:9] == 'menuentry' and l[-2] == '{':
                o = True
                e = {}
                i1 = l.find("'") + 1
                i2 = l.find("'", i1)
                e["title"] = l[i1:i2]
                i = e["title"].find(' ')
                if i > 0:
                    e["name"] = e["title"][:i]
                else:
                    e["name"] = e["title"]
            elif l.lstrip()[:5] == 'linux':
                l = l.lstrip()[5:].lstrip()
                i = l.find(' ')
                e["linux"] = l[:i]
                e["options"] = l[i+1:].rstrip('\n')
            elif l.lstrip()[:6] == 'initrd':
                e["initrd"] = l.lstrip()[6:].strip().rstrip('\n')
            elif '}' in l and o:
                o = False
                menu_entries.append(e)
                break
    f.close()