Mercurial Repositories > eric / file comparison
comparison: eric6/MicroPython/MicroPythonFileSystem.py
eric6/MicroPython/MicroPythonFileSystem.py
- branch
- micropython
- changeset 7077
- 3b7475b7a1ef
- parent 7070
- 3368ce0e7879
- child 7080
- 9a3adf033f90
equal
deleted
inserted
replaced
| 7070:3368ce0e7879 | 7077:3b7475b7a1ef |
|---|---|
| 11 | 11 |
| 12 import ast | 12 import ast |
| 13 import time | 13 import time |
| 14 import stat | 14 import stat |
| 15 | 15 |
| 16 from PyQt5.QtCore import QObject, QThread | 16 from PyQt5.QtCore import pyqtSlot, pyqtSignal, QObject, QThread |
| 17 | |
| 18 from .MicroPythonSerialPort import MicroPythonSerialPort | |
| 17 | 19 |
| 18 | 20 |
| 19 class MicroPythonFileSystem(QObject): | 21 class MicroPythonFileSystem(QObject): |
| 20 """ | 22 """ |
| 21 Class implementing some file system commands for MicroPython. | 23 Class implementing some file system commands for MicroPython. |
| 326 @return flag indicating success | 328 @return flag indicating success |
| 327 @rtype bool | 329 @rtype bool |
| 328 @exception IOError raised to indicate an issue with the device | 330 @exception IOError raised to indicate an issue with the device |
| 329 """ | 331 """ |
| 330 # TODO: not implemented yet | 332 # TODO: not implemented yet |
| 331 | 333 |
| 332 ################################################################## | 334 |
| 333 ## Utility methods below | 335 class MicroPythonFileManager(QObject): |
| 334 ################################################################## | 336 """ |
| 335 | 337 Class implementing an interface to the device file system commands with |
| 336 def mtime2string(self, mtime): | 338 some additional sugar. |
| 337 """ | 339 |
| 338 Public method to convert a time value to a string representation. | 340 @signal longListFiles(result) emitted with a tuple of tuples containing the |
| 339 | 341 name, mode, size and time for each directory entry |
| 340 @param mtime time value | 342 @signal currentDir(dirname) emitted to report the current directory of the |
| 341 @type int | 343 device |
| 342 @return string representation of the given time | 344 |
| 343 @rtype str | 345 @signal longListFilesFailed(exc) emitted with a failure message to indicate |
| 344 """ | 346 a failed long listing operation |
| 345 return time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(mtime)) | 347 @signal currentDirFailed(exc) emitted with a failure message to indicate |
| 346 | 348 that the current directory is not available |
| 347 def mode2string(self, mode): | 349 """ |
| 348 """ | 350 longListFiles = pyqtSignal(tuple) |
| 349 Public method to convert a mode value to a string representation. | 351 currentDir = pyqtSignal(str) |
| 350 | 352 |
| 351 @param mode mode value | 353 longListFilesFailed = pyqtSignal(str) |
| 352 @type int | 354 currentDirFailed = pyqtSignal(str) |
| 353 @return string representation of the given mode value | 355 |
| 354 @rtype str | 356 def __init__(self, port, parent=None): |
| 355 """ | 357 """ |
| 356 return stat.filemode(mode) | 358 Constructor |
| 357 # TODO: remove this | 359 |
| 358 ## | 360 @param port port name of the device |
| 359 ##if __name__ == "__main__": | 361 @type str |
| 360 ## from PyQt5.QtCore import QCoreApplication, QTimer | 362 @param parent reference to the parent object |
| 361 ## from MicroPythonSerialPort import MicroPythonSerialPort | 363 @type QObject |
| 362 ## | 364 """ |
| 363 ## app = QCoreApplication([]) | 365 super(MicroPythonFileManager, self).__init__(parent) |
| 364 ## | 366 |
| 365 ## serial = MicroPythonSerialPort() | 367 self.__serialPort = port |
| 366 ## serial.openSerialLink("/dev/ttyUSB0") | 368 self.__serial = MicroPythonSerialPort(parent=self) |
| 367 ## fs = MicroPythonFileSystem() | 369 self.__fs = MicroPythonFileSystem(parent=self) |
| 368 ## fs.setSerial(serial) | 370 |
| 369 ## | 371 @pyqtSlot() |
| 370 ## def tf(): | 372 def connect(self): |
| 371 ## fs.cd("/flash") | 373 """ |
| 372 ## print(fs.pwd()) | 374 Public slot to start the manager. |
| 373 ## fs.cd("odroid_go") | 375 """ |
| 374 ## print(fs.pwd()) | 376 self.__serial.openSerialLink(self.__serialPort) |
| 375 ## ll = fs.lls() | 377 self.__fs.setSerial(self.__serial) |
| 376 ## print(ll) | 378 |
| 377 ## for f, (m, s, t) in ll: | 379 @pyqtSlot() |
| 378 ## print(fs.mode2string(m), s, fs.mtime2string(t), f) | 380 def disconnect(self): |
| 379 ## fs.cd("..") | 381 """ |
| 380 ## print(fs.pwd()) | 382 Public slot to stop the thread. |
| 381 ## ll = fs.lls("odroid_go") | 383 """ |
| 382 ## print(ll) | 384 self.__serial.closeSerialLink() |
| 383 ## for f, (m, s, t) in ll: | 385 |
| 384 ## print(fs.mode2string(m), s, fs.mtime2string(t), f) | 386 @pyqtSlot(str) |
| 385 ## | 387 def lls(self, dirname): |
| 386 ## QTimer.singleShot(0, tf) | 388 """ |
| 387 ## app.exec_() | 389 Public method to get a long listing of the given directory. |
| 390 | |
| 391 @param dirname name of the directory to list | |
| 392 @type str | |
| 393 """ | |
| 394 try: | |
| 395 filesList = self.__fs.lls(dirname) | |
| 396 result = [(decoratedName(name, mode), | |
| 397 mode2string(mode), | |
| 398 str(size), | |
| 399 mtime2string(time)) for | |
| 400 name, (mode, size, time) in filesList] | |
| 401 self.longListFiles.emit(tuple(result)) | |
| 402 except Exception as exc: | |
| 403 self.longListFilesFailed.emit(str(exc)) | |
| 404 | |
| 405 @pyqtSlot() | |
| 406 def pwd(self): | |
| 407 """ | |
| 408 Public method to get the current directory of the device. | |
| 409 """ | |
| 410 try: | |
| 411 pwd = self.__fs.pwd() | |
| 412 self.currentDir.emit(pwd) | |
| 413 except Exception as exc: | |
| 414 self.currentDirFailed.emit(str(exc)) | |
| 415 | |
| 416 ################################################################## | |
| 417 ## Utility methods below | |
| 418 ################################################################## | |
| 419 | |
| 420 | |
| 421 def mtime2string(mtime): | |
| 422 """ | |
| 423 Function to convert a time value to a string representation. | |
| 424 | |
| 425 @param mtime time value | |
| 426 @type int | |
| 427 @return string representation of the given time | |
| 428 @rtype str | |
| 429 """ | |
| 430 return time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(mtime)) | |
| 431 | |
| 432 | |
| 433 def mode2string(mode): | |
| 434 """ | |
| 435 Function to convert a mode value to a string representation. | |
| 436 | |
| 437 @param mode mode value | |
| 438 @type int | |
| 439 @return string representation of the given mode value | |
| 440 @rtype str | |
| 441 """ | |
| 442 return stat.filemode(mode) | |
| 443 | |
| 444 | |
| 445 def decoratedName(name, mode): | |
| 446 """ | |
| 447 Function to decorate the given name according to the given mode. | |
| 448 | |
| 449 @param name file or directory name | |
| 450 @type str | |
| 451 @param mode mode value | |
| 452 @type int | |
| 453 @return decorated file or directory name | |
| 454 @rtype str | |
| 455 """ | |
| 456 if stat.S_ISDIR(mode): | |
| 457 # append a '/' for directories | |
| 458 return name + "/" | |
| 459 else: | |
| 460 # no change | |
| 461 return name |
