Nemcio/DemonEditor
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added basic support of lamedb ver. 3

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DYefremov
2018-11-28 22:47:57 +03:00
parent 40df14ace8
commit a1011c7516
2 changed files with 58 additions and 9 deletions
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5
README.md
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@@ -32,6 +32,9 @@ To create a simple debian package, you can use the *build-deb.sh.*
Tests only with openATV image and Formuler F1 receiver in my preferred Linux distros
(latest Linux Mint 18.* and 19 MATE 64-bit)!
**Terrestrial(DVB-T/T2) and cable channels are supported(Enigma2 only) with limitation!**
**Terrestrial(DVB-T/T2) and cable channels are supported(Enigma2 only) with limitation!**
Main supported **lamedb** format is version **4**. Versions **3** and **5** has only experimental support!
For version **3** is only read mode available. When saving, version **4** format is used!

62
app/eparser/enigma/lamedb.py
View File

@@ -1,7 +1,6 @@
""" This module used for parsing and write lamedb file
""" This module used for parsing and write lamedb file """
import re
Currently implemented only for satellite channels!!!
"""
from app.commons import log
from app.ui.uicommons import CODED_ICON, LOCKED_ICON, HIDE_ICON
from .blacklist import get_blacklist
@@ -82,6 +81,32 @@ def parse(path, version=4):
raise SyntaxError("Unsupported version of the format.")
def parse_v3(services, transponders, path):
""" Parsing version 3 """
for t in transponders:
tr = transponders[t].lower()
tr_type = tr[0:1]
if tr_type == "c":
tr += ":0:0:0"
elif tr_type == "t":
tr += ":0:0"
else:
tr_data = tr.split(_SEP)
len_data = len(tr_data)
if len_data == 6:
tr_data.append("0")
elif len_data == 9:
tr_data.insert(6, "0")
tr_data.append("0")
tr_data.append("2")
tr = _SEP.join(tr_data)
transponders[t] = tr
return parse_services(services, transponders, path)
def parse_v4(path):
""" Parsing version 4 """
with open(path + _FILE_NAME, "r", encoding="utf-8", errors="replace") as file:
@@ -91,14 +116,20 @@ def parse_v4(path):
log("lamedb parse error: " + str(e))
else:
transponders, sep, services = data.partition("transponders") # 1 step
if not transponders.endswith("/4/\n"):
msg = "lamedb parsing error: unsupported format.\n Only version 4 is supported!"
pattern = re.compile("/[34]/$")
match = re.search(pattern, transponders)
if not match:
msg = "lamedb parsing error: unsupported format."
log(msg)
raise SyntaxError(msg)
transponders, sep, services = services.partition("services") # 2 step
services, sep, _ = services.partition("\nend") # 3 step
return parse_services(services.split("\n"), parse_transponders(transponders.split("/")), path)
if match.group() == "/3/":
return parse_v3(services.split("\n"), parse_transponders(transponders.split("/")), path)
return parse_services(services.split("\n"), parse_transponders(transponders.split("/")), path)
def parse_v5(path):
@@ -147,10 +178,25 @@ def parse_services(services, transponders, path):
srv.remove(srv[0])
for ch in srv:
data = str(ch[0]).split(_SEP)
data_id = str(ch[0]).lower() # lower is for lamedb ver.3
data = data_id.split(_SEP)
sp = "0"
tid = data[2]
nid = data[3]
# For lamedb ver.3
is_v3 = False
if len(tid) < 4:
is_v3 = True
tid = "{:0>4}".format(tid)
data[2] = tid
if len(nid) < 4:
is_v3 = True
nid = "{:0>4}".format(nid)
data[3] = nid
if is_v3:
data[0] = "{:0>4}".format(data[0])
data_id = _SEP.join(data)
srv_type = int(data[4])
transponder_id = "{}:{}:{}".format(data[1], tid, nid)
transponder = transponders.get(transponder_id, None)
@@ -206,7 +252,7 @@ def parse_services(services, transponders, path):
fec=FEC[tr[3]],
system=system,
pos=pos,
data_id=ch[0],
data_id=data_id,
fav_id=fav_id,
transponder=transponder))
return channels