mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-24 15:28:10 +00:00
64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
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import os
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import subprocess
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import tempfile
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import time
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from trezorlib.debuglink import TrezorClientDebugLink
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from trezorlib.transport import TransportException, get_transport
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BINDIR = os.path.dirname(os.path.abspath(__file__)) + "/emulators"
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ENV = {"SDL_VIDEODRIVER": "dummy"}
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class EmulatorWrapper:
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def __init__(self, gen, tag, storage=None):
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self.gen = gen
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self.tag = tag
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self.workdir = tempfile.TemporaryDirectory()
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if storage:
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open(self._storage_file(), "wb").write(storage)
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def __enter__(self):
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if self.tag.startswith("/"): # full path+filename provided
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args = [self.tag]
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else: # only gen+tag provided
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args = ["%s/trezor-emu-%s-%s" % (BINDIR, self.gen, self.tag)]
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env = ENV
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if self.gen == "core":
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args += ["-m", "main"]
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env["TREZOR_PROFILE_DIR"] = self.workdir.name
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self.process = subprocess.Popen(
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args, cwd=self.workdir.name, env=ENV, stdout=open(os.devnull, "w")
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)
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# wait until emulator is started
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while True:
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try:
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self.transport = get_transport("udp:127.0.0.1:21324")
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except TransportException:
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time.sleep(0.1)
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continue
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break
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self.client = TrezorClientDebugLink(self.transport)
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self.client.open()
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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self.client.close()
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self.process.terminate()
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try:
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self.process.wait(1)
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except subprocess.TimeoutExpired:
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self.process.kill()
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self.workdir.cleanup()
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def _storage_file(self):
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if self.gen == "legacy":
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return self.workdir.name + "/emulator.img"
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elif self.gen == "core":
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return self.workdir.name + "/trezor.flash"
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else:
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raise ValueError("Unknown gen")
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def storage(self):
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return open(self._storage_file(), "rb").read()
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