Парсер для двух текстовых файлов

item_begin weapon 52 [vesper_cutter*sirr_blade] item_type=weapon slot_bit_type={lrhand} armor_type=none etcitem_type=none delay_share_group=-1 item_multi_skill_list={} recipe_id=0 blessed=0 weight=1520 default_action=action_equip consume_type=consume_type_normal initial_count=1 maximum_count=1 soulshot_count=1 spiritshot_count=1 reduced_soulshot={} reduced_spiritshot={} reduced_mp_consume={} immediate_effect=1 ex_immediate_effect=0 drop_period=10 duration={-1;0} use_skill_distime=0 period=0 equip_reuse_delay=0 price=0 default_price=146873000 item_skill=[none] critical_attack_skill=[none] attack_skill=[none] magic_skill=[none] item_skill_enchanted_four=[s_focus_hp_dual4_80] capsuled_items={} material_type=steel crystal_type=s84 crystal_count=7050 is_trade=1 is_drop=1 is_destruct=1 is_private_store=1 keep_type=15 physical_damage=482 random_damage=10 weapon_type=dual can_penetrate=0 critical=8 hit_modify=0 avoid_modify=0 dual_fhit_rate=50 shield_defense=0 shield_defense_rate=0 attack_range=40 damage_range={0;0;40;120} attack_speed=325 reuse_delay=0 mp_consume=0 magical_damage=176 durability=-1 damaged=0 physical_defense=0 magical_defense=0 mp_bonus=0 category={} enchanted=0 base_attribute_attack={none;0} base_attribute_defend={0;0;0;0;0;0} html=[item_default.htm] magic_weapon=0 enchant_enable=1 elemental_enable=1 unequip_skill={} for_npc=0 item_equip_option={} use_condition={} equip_condition={} is_olympiad_can_use=1 can_move=0 is_premium=0 /**/ item_end

Код

item_begin
weapon
52
[vesper_cutter*sirr_blade]
item_type=weapon
slot_bit_type={lrhand}
armor_type=none
etcitem_type=none
delay_share_group=-1
item_multi_skill_list={}
recipe_id=0
blessed=0
weight=1520
default_action=action_equip
consume_type=consume_type_normal
initial_count=1
maximum_count=1
soulshot_count=1
spiritshot_count=1
reduced_soulshot={}
reduced_spiritshot={}
reduced_mp_consume={}
immediate_effect=1
ex_immediate_effect=0
drop_period=10
duration={-1;0}
use_skill_distime=0
period=0
equip_reuse_delay=0
price=0
default_price=146873000
item_skill=[none]
critical_attack_skill=[none]
attack_skill=[none]
magic_skill=[none]
item_skill_enchanted_four=[s_focus_hp_dual4_80]
capsuled_items={}
material_type=steel
crystal_type=s84
crystal_count=7050
is_trade=1
is_drop=1
is_destruct=1
is_private_store=1
keep_type=15
physical_damage=482
random_damage=10
weapon_type=dual
can_penetrate=0
critical=8
hit_modify=0
avoid_modify=0
dual_fhit_rate=50
shield_defense=0
shield_defense_rate=0
attack_range=40
damage_range={0;0;40;120}
attack_speed=325
reuse_delay=0
mp_consume=0
magical_damage=176
durability=-1
damaged=0
physical_defense=0
magical_defense=0
mp_bonus=0
category={}
enchanted=0
base_attribute_attack={none;0}
base_attribute_defend={0;0;0;0;0;0}
html=[item_default.htm]
magic_weapon=0
enchant_enable=1
elemental_enable=1
unequip_skill={}
for_npc=0
item_equip_option={}
use_condition={}
equip_condition={}
is_olympiad_can_use=1
can_move=0
is_premium=0
/**/
item_end

string = open('file').readlines()

for i in string:
if not i.isspace():
print(i.replace('\n', ''))
---------------
with open('file.txt', 'r') as inf:
for line in inf:
if line.strip():
print(line)
with open('file.txt', 'r') as inf, open('outfile.txt', 'w') as out:
for line in inf:
if line.strip():
out.write(line)