Files
DemonEditor/app/eparser/enigma/bouquets.py
2021-02-03 10:26:05 +03:00

207 lines
9.0 KiB
Python

""" Module for working with Enigma2 bouquets. """
import re
from collections import Counter
from pathlib import Path
from app.commons import log
from app.eparser.ecommons import BqServiceType, BouquetService, Bouquets, Bouquet, BqType
_TV_FILE = "bouquets.tv"
_RADIO_FILE = "bouquets.radio"
_DEFAULT_BOUQUET_NAME = "favourites"
class BouquetsWriter:
""" Class for creating and writing bouquet files..
If "force_bq_names" then naming the files using the name of the bouquet.
Some images may have problems displaying the favorites list!
"""
_SERVICE = '#SERVICE 1:7:{}:0:0:0:0:0:0:0:FROM BOUQUET "userbouquet.{}.{}" ORDER BY bouquet\n'
_MARKER = "#SERVICE 1:64:{:X}:0:0:0:0:0:0:0::{}\n"
_SPACE = "#SERVICE 1:832:D:{}:0:0:0:0:0:0:\n"
_ALT = '#SERVICE 1:134:1:0:0:0:0:0:0:0:FROM BOUQUET "{}" ORDER BY bouquet\n'
_ALT_PAT = r"[<>:\"/\\|?*\-\s]"
def __init__(self, path, bouquets, force_bq_names=False):
self._path = path
self._bouquets = bouquets
self._force_bq_names = force_bq_names
self._marker_index = 1
self._space_index = 0
self._alt_names = set()
def write(self):
line = []
pattern = re.compile("[^\\w_()]+")
for bqs in self._bouquets:
line.clear()
line.append("#NAME {}\n".format(bqs.name))
bq_file_names = {b.file for b in bqs.bouquets}
count = 1
for bq in bqs.bouquets:
bq_name = bq.file
if not bq_name:
if self._force_bq_names:
bq_name = re.sub(pattern, "_", bq.name)
else:
bq_name = "de{0:02d}".format(count)
while bq_name in bq_file_names:
count += 1
bq_name = "de{0:02d}".format(count)
bq_file_names.add(bq_name)
line.append(self._SERVICE.format(2 if bq.type == BqType.RADIO.value else 1, bq_name, bq.type))
self.write_bouquet(self._path + "userbouquet.{}.{}".format(bq_name, bq.type), bq.name, bq.services)
with open(self._path + "bouquets.{}".format(bqs.type), "w", encoding="utf-8") as file:
file.writelines(line)
def write_bouquet(self, path, name, services):
""" Writes single bouquet file. """
bouquet = ["#NAME {}\n".format(name)]
for srv in services:
s_type = srv.service_type
if s_type == BqServiceType.IPTV.name:
bouquet.append("#SERVICE {}\n".format(srv.fav_id.strip()))
elif s_type == BqServiceType.MARKER.name:
m_data = srv.fav_id.strip().split(":")
m_data[2] = self._marker_index
self._marker_index += 1
bouquet.append(self._MARKER.format(m_data[2], m_data[-1]))
elif s_type == BqServiceType.SPACE.name:
bouquet.append(self._SPACE.format(self._space_index))
self._space_index += 1
elif s_type == BqServiceType.ALT.name:
services = srv.transponder
if services:
p = Path(path)
alt_name = srv.data_id
f_name = "alternatives.{}{}".format(alt_name, p.suffix)
if self._force_bq_names:
alt_name = re.sub(self._ALT_PAT, "_", srv.service).lower()
f_name = "alternatives.{}{}".format(alt_name, p.suffix)
alt_path = "{}/{}".format(p.parent, f_name)
bouquet.append(self._ALT.format(f_name))
self.write_bouquet(alt_path, srv.service, services)
else:
data = to_bouquet_id(srv)
if srv.service:
bouquet.append("#SERVICE {}:{}\n#DESCRIPTION {}\n".format(data, srv.service, srv.service))
else:
bouquet.append("#SERVICE {}\n".format(data))
with open(path, "w", encoding="utf-8") as file:
file.writelines(bouquet)
class BouquetsReader:
""" Class for reading and parsing bouquets. """
_ALT_PAT = re.compile(".*alternatives\\.+(.*)\\.([tv|radio]+).*")
_BQ_PAT = re.compile(".*userbouquet\\.+(.*)\\.+[tv|radio].*")
_STREAM_TYPES = {"4097", "5001", "5002", "8193", "8739"}
__slots__ = ["_path"]
def __init__(self, path):
self._path = path
def get(self):
""" Returns a tuple of TV and Radio bouquets. """
return self.parse_bouquets(_TV_FILE, BqType.TV.value), self.parse_bouquets(_RADIO_FILE, BqType.RADIO.value)
def parse_bouquets(self, bq_name, bq_type):
with open(self._path + bq_name, encoding="utf-8", errors="replace") as file:
lines = file.readlines()
bouquets = None
nm_sep = "#NAME"
b_names = set()
real_b_names = Counter()
for line in lines:
if nm_sep in line:
_, _, name = line.partition(nm_sep)
bouquets = Bouquets(name.strip(), bq_type, [])
if bouquets and "#SERVICE" in line:
name = re.match(self._BQ_PAT, line)
if name:
b_name = name.group(1)
if b_name in b_names:
log("The list of bouquets contains duplicate [{}] names!".format(b_name))
else:
b_names.add(b_name)
rb_name, services = self.get_bouquet(self._path, b_name, bq_type)
if rb_name in real_b_names:
log("Bouquet file 'userbouquet.{}.{}' has duplicate name: {}".format(b_name, bq_type,
rb_name))
real_b_names[rb_name] += 1
rb_name = "{} {}".format(rb_name, real_b_names[rb_name])
else:
real_b_names[rb_name] = 0
bouquets[2].append(Bouquet(rb_name, bq_type, services, None, None, b_name))
else:
raise ValueError("No bouquet name found for: {}".format(line))
return bouquets
@staticmethod
def get_bouquet(path, bq_name, bq_type, prefix="userbouquet"):
""" Parsing services ids from bouquet file. """
with open(path + "{}.{}.{}".format(prefix, bq_name, bq_type), encoding="utf-8", errors="replace") as file:
chs_list = file.read()
services = []
srvs = list(filter(None, chs_list.split("\n#SERVICE"))) # filtering ['']
# May come across empty[wrong] files!
if not srvs:
log("Bouquet file 'userbouquet.{}.{}' is empty or wrong!".format(bq_name, bq_type))
return "{} [empty]".format(bq_name), services
bq_name = srvs.pop(0)
for num, srv in enumerate(srvs, start=1):
srv_data = srv.strip().split(":")
s_type = srv_data[1]
if s_type == "64":
m_data, sep, desc = srv.partition("#DESCRIPTION")
services.append(BouquetService(desc.strip() if desc else "", BqServiceType.MARKER, srv, num))
elif s_type == "832":
m_data, sep, desc = srv.partition("#DESCRIPTION")
services.append(BouquetService(desc.strip() if desc else "", BqServiceType.SPACE, srv, num))
elif s_type == "134":
alt = re.match(BouquetsReader._ALT_PAT, srv)
if alt:
alt_name, alt_type = alt.group(1), alt.group(2)
alt_bq_name, alt_srvs = BouquetsReader.get_bouquet(path, alt_name, alt_type, "alternatives")
services.append(BouquetService(alt_bq_name, BqServiceType.ALT, alt_name, tuple(alt_srvs)))
elif srv_data[0].strip() in BouquetsReader._STREAM_TYPES or srv_data[10].startswith(("http", "rtsp")):
stream_data, sep, desc = srv.partition("#DESCRIPTION")
desc = desc.lstrip(":").strip() if desc else srv_data[-1].strip()
services.append(BouquetService(desc, BqServiceType.IPTV, srv, num))
else:
fav_id = "{}:{}:{}:{}".format(srv_data[3], srv_data[4], srv_data[5], srv_data[6])
name = None
if len(srv_data) == 12:
name, sep, desc = str(srv_data[-1]).partition("\n#DESCRIPTION")
services.append(BouquetService(name, BqServiceType.DEFAULT, fav_id.upper(), num))
return bq_name.lstrip("#NAME").strip(), services
def to_bouquet_id(srv):
""" Creates bouquet channel id. """
data_type = srv.data_id
if data_type and len(data_type) > 4:
data_type = int(srv.data_id.split(":")[4])
return "{}:0:{:X}:{}:0:0:0:".format(1, data_type, srv.fav_id)
if __name__ == "__main__":
pass