Installation script for the rtlsdr on windows

install_rtlsdr.py

import pkgutil
from pathlib import Path
import sys
import requests
import zipfile
from io import BytesIO
from ctypes import CDLL
from ctypes.util import find_library
import subprocess
import os


subprocess.check_call([sys.executable, "-m", "pip", "install", 'https://github.com/roger-/pyrtlsdr/archive/master.zip'])

loader = pkgutil.get_loader('rtlsdr')
rtlsdr_path = Path(loader.path)
dllpath = rtlsdr_path.parents[2] / 'DLLs'
binpath = rtlsdr_path.parents[3] / 'Library' / 'bin'
print(f"dllpath={dllpath},  binpath={binpath}")


response = requests.get('https://github.com/rtlsdrblog/rtl-sdr/releases/download/v1.1/bt_driver.zip')
response.raise_for_status()
zf = zipfile.ZipFile(BytesIO(response.content))
zf.extractall(binpath, members=[x for x in zf.namelist() if 'bias' in x or 'dll' in x or 'rtl' in x])
tee = binpath / "rtl_biast.exe"
assert os.path.isfile(tee)


nbits = 64 if (sys.maxsize > 2**32) else 32
url = f'https://github.com/librtlsdr/librtlsdr/releases/download/v0.7.0/librtlsdr-0.7.0-13-gc79d-x{nbits}.zip'
response = requests.get(url)
response.raise_for_status()

zf = zipfile.ZipFile(BytesIO(response.content))
zf.extractall(binpath, members=[x for x in zf.namelist() if 'dll' in x])
zf.extractall(dllpath, members=[x for x in zf.namelist() if 'dll' in x])
dlls = [x for x in zf.namelist() if 'dll' in x]
print(f"Extracted {dlls} to {binpath} and {dllpath}")



assert find_library('librtlsdr'),"Installation failed."
assert find_library('librtlsdr.dll'),"Installation failed."

device_id = 0
device_check = subprocess.run([str(binpath / "rtl_tcp.exe")], check=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
print(device_check)
for row in device_check.stderr.split(b"\n"):
    if b'Realtek' in row:
        device_id = int(row.strip().split(b":")[0])

assert subprocess.call(f"{tee} -d {device_id} -b 1".split()) == 0
print(tee)

assert CDLL(find_library('librtlsdr')), "Installation failed - likely wrong bitnumber library."

"""
If the installation fails, check that both librtlsdr.dll and libusb-1.0.dll are on the Windows system executable path (not the python path).
Also, check that the dll is the appropriate 32 / 64 bit version
"""