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utils.py
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utils.py
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# -*- coding: utf-8 -*-
"""
Created on Fri Jul 7 15:52:37 2023
@author: Abdullah
"""
from datetime import datetime, timedelta
from sqlalchemy import and_, func
# from tzlocal import get_localzone
from app import app
from extensions import db, scheduler, cache
from models import PassData, Satellite, Reports
from intervaltree import Interval, IntervalTree
from sdrangel_requests import *
# from app import db, scheduler
# %% Populating the Satellite Data table
def pop_sats():
"""
Returns
-------
None.
"""
with app.app_context():
db.create_all()
Satellite_names = {'NOAA 15': [25338, 137.620],
'NOAA 18': [28654, 137.9125],
'NOAA 19': [33591, 137.100]}
for name in Satellite_names:
satellite = Satellite(Name=name,
Norad_id=Satellite_names[name][0],
OperatingFreq=Satellite_names[name][1])
db.session.add(satellite)
try:
db.session.commit()
print(f"{name} added!")
except Exception as e:
db.session.rollback()
print(f"Commit Failed. Error: {e}")
# %%
"""_sats
# Fetching passes from SDRangel and adding to database with proper timeformat
with app.app_context():
Sat = Satellite.query.filter_by(Name="NOAA 19").first()
passes = get_satellite_passes(str(Sat))
for pass1 in passes:
db.session.add(PassData(AOS = datetime.strptime(pass1['aos'], '%Y-%m-%dT%H:%M:%S.%f%z').astimezone(),
LOS = datetime.strptime(pass1['los'], '%Y-%m-%dT%H:%M:%S.%f%z').astimezone(),
maxElevation = int(pass1['maxElevation']),
SatetlliteName = str(Sat)))
try:
db.session.commit()
print(f"Pass added!")
except Exception as e:
db.session.rollback()
print(f"Commit Failed. Error: {e}")
#%%
# Deleting passes with pk
for i in range(55,91):
with app.app_context():
d = db.get_or_404(PassData, i)
db.session.delete(d)
db.session.commit()
#%%
# Filtering passdata that needs to be showed
with app.app_context():
data = PassData.query.filter(and_(PassData.AOS >= datetime.now(),
PassData.ScheduledToReceive)).all()
print(data.AOS)
"""
# %%
def parse_table(data):
return [{k: (datetime.strptime(v, '%Y-%m-%dT%H:%M:%S.%f%z').astimezone(get_localzone()).strftime('%d-%m-%y %H:%M:%S')
if isinstance(v, str) else int(v)) for k, v in i.items()} for i in data]
# with app.app_context():
# d = PassData.query.filter(and_(PassData.AOS <= datetime.now(),
# PassData.SatetlliteName == "NOAA 19")).all()
# db.session.delete(d)
# db.session.commit()
# %% Set Scheduled to Receive to True
def schedule():
for i in [160, 172, 181, 163, 164, 175, 184, 176]:
with app.app_context():
d = db.get_or_404(PassData, i)
d.ScheduledToReceive = True
db.session.commit()
# %% delete passData with pk
def delete():
with app.app_context():
for i in range(746,758):
try:
print(i)
d = PassData.query.get_or_404(i)
db.session.delete(d)
db.session.commit()
except Exception as e:
db.session.rollback()
print(f"Commit Failed. Error: {e}")
# %%
def convertodict(d):
d = d.__dict__
d.pop('_sa_instance_state', None)
d['AOS'] = d['AOS'].astimezone()
d['LOS'] = d['LOS'].astimezone()
return d
# %%
def getmfile(search_dir, pk):
"""
function that finds file that was modified most recently
Parameters
----------
search_dir : string
Path of the directory that needs to be searched.
pk : int
primary key of the pass for which data is being searched
Returns
-------
files : list
returns a list of files sorted by time closest to Pass LOS
"""
import os
with app.app_context():
p = db.get_or_404(PassData, pk)
time = p.LOS## - timedelta(hours=3) ## The timedelta is added for timzone correction!
files = list(os.scandir(search_dir))
print(time)
# return files
files = sorted(files, key=lambda x: (datetime.fromtimestamp(x.stat().st_mtime) - time).seconds)
return files[0]
Impath = 'C:/Users/Abdullah/Desktop/NOAA-Images/'
dpath = 'C:/Users/Abdullah/Desktop/NOAA-wav/'
Impath = "C:/Users/DELL/Documents/NOAA-Images/"
# I = getmfile(Impath, 441)
# d = getmfile(dpath, 441)
# "C:/Users/DELL/Documents/NOAA-Images/apt_NOAA_19_20231003_0135.png"
def create_report(dpath, Impath, pk):
with app.app_context():
p = db.get_or_404(PassData, pk)
Imfile = getmfile(Impath, pk)
dfile = getmfile(dpath,491)
twomins = timedelta(seconds=120)
dmtime = datetime.fromtimestamp(dfile.stat().st_mtime)
Imtime = datetime.fromtimestamp(Imfile.stat().st_mtime)
time = p.LOS## - timedelta(hours=3)
## The timedelta is added for timzone correction
## must be removed!
if (time - dmtime) < twomins:
dfsize = round(dfile.stat().st_size/int(1<<20))
dfile = dfile.path
else:
dfile = None
dfsize = None
if (time - Imtime) < twomins:
Imfilepath = Imfile.path
else:
Imfilepath = None
if (Imtime - dmtime) < twomins and dfile != None and Imfilepath != None:
pstatus = True
else:
pstatus = False
a = Satellite.query.filter_by(Name=p.SatetlliteName).first()
r = Reports(id = p.id,
size = dfsize,
status = pstatus,
dataPath = dfile,
imagePath = Imfilepath,
TLELine1 = a.TLERow1,
TLELine2 = a.TLERow2)
db.session.add(r)
try:
db.session.commit()
print("Report added!")
except Exception as e:
db.session.rollback()
print(f"Commit Failed. Error: {e}")
#%%
# create_report(dpath,Impath,491)
# with app.app_context():
# r = db.get_or_404(Reports,491)
# r.imagePath = "C:/Users/DELL/Documents/NOAA-Images/apt_NOAA_19_20231003_0135.png"
# r.status = True
# db.session.commit()
# with app.app_context():
# r = db.get_or_404(Reports,491)
# print(r)
#%%
def storePassData(interval, Receive = True):
aos = interval.begin
los = interval.end
el = interval.data[0]
sat_name = interval.data[1]
twomins = timedelta(minutes=2)
data = PassData.query.filter(and_(PassData.AOS <= aos+twomins,
PassData.AOS >= aos-twomins,
PassData.SatetlliteName == sat_name)).all()
print(data)
if data and data[0].AOS.time() != aos.time():
data[0].AOS = aos
elif data and data[0].LOS.time() != los.time():
data[0].LOS = los
elif not data:
p = PassData(AOS=aos,
LOS=los,
maxElevation=int(el),
ScheduledToReceive=Receive,
SatetlliteName=sat_name)
db.session.add(p)
db.session.flush()
try:
db.session.commit()
print(f"Pass added!")
return p
except Exception as e:
db.session.rollback()
print(f"Commit Failed. Error: {e}")
Onemin = timedelta(seconds=60)
xAOS = scheduler.add_job(str(p.id)+'_AOS', AOS_macro, trigger='date', run_date=p.AOS-Onemin, args=[p.id])
xLOS = scheduler.add_job(str(p.id)+'_LOS', LOS_macro, trigger='date', run_date=p.LOS+Onemin, args=[p.id])
def toDateTime(time):
return datetime.strptime(time,'%Y-%m-%dT%H:%M:%S.%f%z').astimezone()
def updateDB():
with scheduler.app.app_context():
Satellites = Satellite.query.all()
data = {}
for sat in Satellites:
sat_name = sat.Name
print(sat_name)
location = cache.get("location")
print(f'location is {location}')
passes = get_satellite_passes(sat_name, location)
for p in passes:
p['aos'] = toDateTime(p['aos'])
p['los'] = toDateTime(p['los'])
data[sat_name] = passes
intervals = [Interval(i['aos'],i['los'],(i['maxElevation'],sat_name))\
for sat_name in data.keys() for i in data[sat_name]]
tree = IntervalTree(intervals)
for interval in intervals:
tree.discard(interval)
if tree.overlaps(interval):
a = tree.overlap(interval)
a = a.pop()
tree.remove(a)
if a.data[0] > interval.data[0]:
storePassData(a, True)
storePassData(interval, False)
else:
storePassData(a, False)
storePassData(interval, True)
else:
storePassData(interval, True)
# updateDB()
#%%
def run_httpServer():
import subprocess
# server_path = "C:\Users\DELL\Documents\sdrangelspectrum\sdrangelspectrum\dist\sdrangelspectrum"
p = subprocess.Popen([http-server], cwd=server_path)
p.wait()
#%%
# from datetime import datetime
# from sqlalchemy import and_
# from app import app
# from models import PassData, Reports
# from utils import create_report
# fromdate = datetime(2023, 10, 2)
# todate = datetime(2023, 10, 3)
# with app.app_context():
# passes = PassData.query.filter(and_(PassData.LOS >= fromdate), PassData.LOS <= todate).all()
# p = [i.id for i in passes]
# dpath = "D:/NOAA-wav/"
# Impath = "C:/Users/DELL/Documents/NOAA-Images/"
# for i in p:
# create_report(dpath, Impath, i)
# create_report(507)
# %% get two line element
import requests
def get_tle(NORAD_ID):
# url = f"https://celestrak.org/NORAD/elements/gp.php?CATNR={str(NORAD_ID).strip()}"
url = cache.get("TLESource").format(str(NORAD_ID).strip())
payload = {}
headers = {}
try:
response = requests.request("GET", url, headers=headers, data=payload)
response.raise_for_status()
a = response.text
a = [i.strip() for i in a.split("\r\n",2)]
with open(a[0]+'.txt', 'w') as f:
f.writelines(response.text)
return a
except Exception as e:
raise e
# a = get_tle(25338)
#%%
# subprocess.Popen(sdrangel_path)
# time.sleep(30)
def launch_apps_to_virtual_desktops(desktops=2):
import ctypes, time, shlex, subprocess
sdrangel_path = "C:\Program Files\SDRangel\sdrangel.exe"
virtual_desktop_accessor = ctypes.WinDLL("C:/Users/Abdullah/Desktop/NOAA/VirtualDesktopAccessor.dll")
virtual_desktop_accessor.GoToDesktopNumber(1)
time.sleep(0.25) # Wait for the desktop to switch
subprocess.Popen(sdrangel_path)
time.sleep(15) # Wait for the desktop to switch
virtual_desktop_accessor.GoToDesktopNumber(0) # Go back to the 1st desktop
# time.sleep(0.25) # Wait for the desktop to switch
time.sleep(30) # Wait for apps to open their windows
#%%
def launch_sdr():
if get_instance()['status'] == 'OK':
pass
else:
# subprocess.Popen(sdrangel_path)
# time.sleep(30)
STR_CMD = """
$action = New-ScheduledTaskAction -Execute "C:\Program Files\SDRangel\sdrangel.exe"
$description = "Using PowerShell's Scheduled Tasks in Python"
$settings = New-ScheduledTaskSettingsSet -DeleteExpiredTaskAfter (New-TimeSpan -Seconds 2)
$taskName = "sdr"
$trigger = New-ScheduledTaskTrigger -Once -At (Get-Date).AddSeconds(10)
$trigger.EndBoundary = (Get-Date).AddSeconds(30).ToString("s")
Register-ScheduledTask -TaskName $taskName -Description $description -Action $action -Settings $settings -Trigger $trigger -AsJob | Out-Null
"""
# Use a list to make it easier to pass argument to subprocess
listProcess = [
"powershell.exe",
"-NoExit",
"-NoProfile",
"-Command",
STR_CMD
]
path = os.getcwd()
a = subprocess.Popen(listProcess, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
time.sleep(25)
b = subprocess.Popen(['powershell.exe', os.path.join(path,"hide.ps1")],cwd=os.getcwd(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
outs, errs = b.communicate()
#%%
import subprocess
import os
from app import app, db
from models import PassData, Satellite
pk = 1327
with app.app_context():
p = db.get_or_404(PassData,pk)
SatelliteName = p.SatetlliteName
aos = p.AOS
los = p.LOS
a = Satellite.query.filter_by(Name=SatelliteName).first()
tle1 = a.TLERow1
tle2 = a.TLERow2
#python fire_on_aos.py -p 1440 -s 'NOAA 18' -a '2024-01-13 6:33:45.125351' -l '2024-01-13 6:43:45.125351' -t1 '1 25338U 98030A 24009.94849596 .00000237 00000+0 11646-3 0 9992' -t2 '2 25338 98.5865 40.2731 0011332 72.3051 287.9365 14.26468234334481'
# a = subprocess.Popen(['python', 'fire_on_aos.py', '-p', str(pk), '-s', SatelliteName, '-a', aos.isoformat() , '-l', los.isoformat(), '-t1', tle1, '-t2', tle2], cwd=os.getcwd(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
outs, errs = a.communicate()
print(outs)
print("error=",errs)
# %%