all: Replace all uses of umodule in Python code.

Applies to drivers/examples/extmod/port-modules/tools.

This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

examples/hwapi/README.md

@@ -40,13 +40,13 @@ application of this idea would look like:
 `app.py`:
 
     from hwconfig import *
-    import utime
+    import time
 
     while True:
         LED.value(1)
-        utime.sleep_ms(500)
+        time.sleep_ms(500)
         LED.value(0)
-        utime.sleep_ms(500)
+        time.sleep_ms(500)
 
 
 To deploy this application to a particular board, a user will need:

examples/hwapi/button_led.py

@@ -1,4 +1,4 @@
-import utime
+import time
 from hwconfig import LED, BUTTON
 
 # Light LED when (and while) a BUTTON is pressed
@@ -6,4 +6,4 @@ from hwconfig import LED, BUTTON
 while 1:
     LED.value(BUTTON.value())
     # Don't burn CPU
-    utime.sleep_ms(10)
+    time.sleep_ms(10)

examples/hwapi/button_reaction.py

@@ -1,4 +1,4 @@
-import utime
+import time
 import machine
 from hwconfig import LED, BUTTON
 
@@ -18,4 +18,4 @@ while 1:
         print("Well, you're *really* slow")
     else:
         print("You are as slow as %d microseconds!" % delay)
-    utime.sleep_ms(10)
+    time.sleep_ms(10)

examples/hwapi/soft_pwm.py

@@ -1,4 +1,4 @@
-import utime
+import time
 from hwconfig import LED
 
 
@@ -15,10 +15,10 @@ def pwm_cycle(led, duty, cycles):
     for i in range(cycles):
         if duty:
             led.on()
-            utime.sleep_ms(duty)
+            time.sleep_ms(duty)
         if duty_off:
             led.off()
-            utime.sleep_ms(duty_off)
+            time.sleep_ms(duty_off)
 
 
 # At the duty setting of 1, an LED is still pretty bright, then

examples/network/http_client.py

@@ -1,7 +1,4 @@
-try:
-    import usocket as socket
-except:
-    import socket
+import socket
 
 
 def main(use_stream=False):

examples/network/http_client_ssl.py

@@ -1,17 +1,11 @@
-try:
-    import usocket as _socket
-except:
-    import _socket
-try:
-    import ussl as ssl
-except:
-    import ssl
+import socket
+import ssl
 
 
 def main(use_stream=True):
-    s = _socket.socket()
+    s = socket.socket()
 
-    ai = _socket.getaddrinfo("google.com", 443)
+    ai = socket.getaddrinfo("google.com", 443)
     print("Address infos:", ai)
     addr = ai[0][-1]
 

examples/network/http_server.py

@@ -1,7 +1,4 @@
-try:
-    import usocket as socket
-except:
-    import socket
+import socket
 
 
 CONTENT = b"""\

examples/network/http_server_simplistic.py

@@ -1,9 +1,6 @@
 # Do not use this code in real projects! Read
 # http_server_simplistic_commented.py for details.
-try:
-    import usocket as socket
-except:
-    import socket
+import socket
 
 
 CONTENT = b"""\

examples/network/http_server_simplistic_commented.py

@@ -8,10 +8,7 @@
 # details, and use this code only for quick hacks, preferring
 # http_server.py for "real thing".
 #
-try:
-    import usocket as socket
-except:
-    import socket
+import socket
 
 
 CONTENT = b"""\

examples/network/http_server_ssl.py

@@ -1,10 +1,6 @@
-import ubinascii as binascii
-
-try:
-    import usocket as socket
-except:
-    import socket
-import ussl as ssl
+import binascii
+import socket
+import ssl
 
 
 # This self-signed key/cert pair is randomly generated and to be used for

examples/unix/machine_bios.py

@@ -4,6 +4,6 @@
 # It is expected to print 0xaa55, which is a signature at the start of
 # Video BIOS.
 
-import umachine as machine
+import machine
 
 print(hex(machine.mem16[0xC0000]))

extmod/uasyncio/event.py

@@ -40,9 +40,9 @@ class Event:
 # that asyncio will poll until a flag is set.
 # Note: Unlike Event, this is self-clearing after a wait().
 try:
-    import uio
+    import io
 
-    class ThreadSafeFlag(uio.IOBase):
+    class ThreadSafeFlag(io.IOBase):
         def __init__(self):
             self.state = 0
 

extmod/uasyncio/stream.py

@@ -101,8 +101,8 @@ StreamWriter = Stream
 #
 # async
 def open_connection(host, port):
-    from uerrno import EINPROGRESS
-    import usocket as socket
+    from errno import EINPROGRESS
+    import socket
 
     ai = socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM)[0]  # TODO this is blocking!
     s = socket.socket(ai[0], ai[1], ai[2])
@@ -154,7 +154,7 @@ class Server:
 # Helper function to start a TCP stream server, running as a new task
 # TODO could use an accept-callback on socket read activity instead of creating a task
 async def start_server(cb, host, port, backlog=5):
-    import usocket as socket
+    import socket
 
     # Create and bind server socket.
     host = socket.getaddrinfo(host, port)[0]  # TODO this is blocking!

ports/esp32/modules/_boot.py

@@ -1,10 +1,10 @@
 import gc
-import uos
+import os
 from flashbdev import bdev
 
 try:
     if bdev:
-        uos.mount(bdev, "/")
+        os.mount(bdev, "/")
 except OSError:
     import inisetup
 

ports/esp32/modules/inisetup.py

@@ -1,4 +1,4 @@
-import uos
+import os
 from flashbdev import bdev
 
 
@@ -33,9 +33,9 @@ by firmware programming).
 def setup():
     check_bootsec()
     print("Performing initial setup")
-    uos.VfsLfs2.mkfs(bdev)
-    vfs = uos.VfsLfs2(bdev)
-    uos.mount(vfs, "/")
+    os.VfsLfs2.mkfs(bdev)
+    vfs = os.VfsLfs2(bdev)
+    os.mount(vfs, "/")
     with open("boot.py", "w") as f:
         f.write(
             """\

ports/esp8266/boards/GENERIC/board.md

@@ -6,7 +6,7 @@ Note: v1.12-334 and newer (including v1.13) require an ESP8266 module with
 2MiB of flash or more, and use littlefs as the filesystem by default.  When
 upgrading from older firmware please backup your files first, and either
 erase all flash before upgrading, or after upgrading execute
-`uos.VfsLfs2.mkfs(bdev)`.
+`os.VfsLfs2.mkfs(bdev)`.
 
 ### OTA builds
 Over-The-Air (OTA) builds of the ESP8266 firmware are also provided.

ports/esp8266/boards/GENERIC_1M/board.md

@@ -2,4 +2,4 @@ The following are daily builds of the ESP8266 firmware tailored for modules with
 only 1MiB of flash.  This firmware uses littlefs as the filesystem.
 When upgrading from older firmware that uses a FAT filesystem please backup your files
 first, and either erase all flash before upgrading, or after upgrading execute
-`uos.VfsLfs2.mkfs(bdev)`.
+`os.VfsLfs2.mkfs(bdev)`.

ports/esp8266/modules/_boot.py

@@ -1,12 +1,12 @@
 import gc
 
 gc.threshold((gc.mem_free() + gc.mem_alloc()) // 4)
-import uos
+import os
 from flashbdev import bdev
 
 if bdev:
     try:
-        uos.mount(bdev, "/")
+        os.mount(bdev, "/")
     except:
         import inisetup
 

ports/esp8266/modules/espnow.py

@@ -2,7 +2,7 @@
 # MIT license; Copyright (c) 2022 Glenn Moloney @glenn20
 
 from _espnow import *
-from uselect import poll, POLLIN
+from select import poll, POLLIN
 
 
 class ESPNow(ESPNowBase):

ports/esp8266/modules/inisetup.py

@@ -1,13 +1,13 @@
-import uos
+import os
 import network
 from flashbdev import bdev
 
 
 def wifi():
-    import ubinascii
+    import binascii
 
     ap_if = network.WLAN(network.AP_IF)
-    ssid = b"MicroPython-%s" % ubinascii.hexlify(ap_if.config("mac")[-3:])
+    ssid = b"MicroPython-%s" % binascii.hexlify(ap_if.config("mac")[-3:])
     ap_if.config(ssid=ssid, security=network.AUTH_WPA_WPA2_PSK, key=b"micropythoN")
 
 
@@ -32,7 +32,7 @@ def fs_corrupted():
             """\
 The filesystem starting at sector %d with size %d sectors looks corrupt.
 You may want to make a flash snapshot and try to recover it. Otherwise,
-format it with uos.VfsLfs2.mkfs(bdev), or completely erase the flash and
+format it with os.VfsLfs2.mkfs(bdev), or completely erase the flash and
 reprogram MicroPython.
 """
             % (bdev.start_sec, bdev.blocks)
@@ -44,17 +44,17 @@ def setup():
     check_bootsec()
     print("Performing initial setup")
     wifi()
-    uos.VfsLfs2.mkfs(bdev)
-    vfs = uos.VfsLfs2(bdev)
-    uos.mount(vfs, "/")
+    os.VfsLfs2.mkfs(bdev)
+    vfs = os.VfsLfs2(bdev)
+    os.mount(vfs, "/")
     with open("boot.py", "w") as f:
         f.write(
             """\
 # This file is executed on every boot (including wake-boot from deepsleep)
 #import esp
 #esp.osdebug(None)
-import uos, machine
-#uos.dupterm(None, 1) # disable REPL on UART(0)
+import os, machine
+#os.dupterm(None, 1) # disable REPL on UART(0)
 import gc
 #import webrepl
 #webrepl.start()

ports/nrf/modules/scripts/_mkfs.py

@@ -1,19 +1,19 @@
-import uos, nrf
+import os, nrf
 
 try:
-    from uos import VfsLfs1
+    from os import VfsLfs1
 
-    uos.VfsLfs1.mkfs(nrf.Flash())
+    os.VfsLfs1.mkfs(nrf.Flash())
 except ImportError:
     try:
-        from uos import VfsLfs2
+        from os import VfsLfs2
 
-        uos.VfsLfs2.mkfs(nrf.Flash())
+        os.VfsLfs2.mkfs(nrf.Flash())
     except ImportError:
         try:
-            from uos import VfsFat
+            from os import VfsFat
 
-            uos.VfsFat.mkfs(nrf.Flash())
+            os.VfsFat.mkfs(nrf.Flash())
         except ImportError:
             pass
         except OSError as e:

ports/rp2/modules/rp2.py

@@ -34,9 +34,9 @@ class PIOASMEmit:
         pull_thresh=32,
         fifo_join=0
     ):
-        # uarray is a built-in module so importing it here won't require
+        # array is a built-in module so importing it here won't require
         # scanning the filesystem.
-        from uarray import array
+        from array import array
 
         self.labels = {}
         execctrl = 0

ports/samd/modules/_boot.py

@@ -1,19 +1,19 @@
 import gc
-import uos
+import os
 import samd
 
 bdev = samd.Flash()
 
 # Try to mount the filesystem, and format the flash if it doesn't exist.
-fs_type = uos.VfsLfs2 if hasattr(uos, "VfsLfs2") else uos.VfsLfs1
+fs_type = os.VfsLfs2 if hasattr(os, "VfsLfs2") else os.VfsLfs1
 
 try:
     vfs = fs_type(bdev, progsize=256)
 except:
     fs_type.mkfs(bdev, progsize=256)
     vfs = fs_type(bdev, progsize=256)
-uos.mount(vfs, "/")
+os.mount(vfs, "/")
 
-del vfs, fs_type, bdev, uos, samd
+del vfs, fs_type, bdev, os, samd
 gc.collect()
 del gc

ports/stm32/boards/NUCLEO_WB55/rfcore_firmware.py

@@ -73,7 +73,7 @@ import struct, os
 
 try:
     import machine, stm
-    from ubinascii import crc32
+    from binascii import crc32
     from micropython import const
 except ImportError:
     # cpython

ports/stm32/mboot/fwupdate.py

@@ -3,7 +3,7 @@
 
 from micropython import const
 import struct, time
-import uzlib, machine, stm
+import zlib, machine, stm
 
 # Constants to be used with update_mpy
 VFS_FAT = 1
@@ -36,7 +36,7 @@ def dfu_read(filename):
     if hdr == b"Dfu":
         pass
     elif hdr == b"\x1f\x8b\x08":
-        f = uzlib.DecompIO(f, 16 + 15)
+        f = zlib.DecompIO(f, 16 + 15)
     else:
         print("Invalid firmware", filename)
         return None
@@ -231,7 +231,7 @@ def update_app_elements(
     # Check firmware is of .dfu or .dfu.gz type
     try:
         with open(filename, "rb") as f:
-            hdr = uzlib.DecompIO(f, 16 + 15).read(6)
+            hdr = zlib.DecompIO(f, 16 + 15).read(6)
     except Exception:
         with open(filename, "rb") as f:
             hdr = f.read(6)

tools/mpremote/mpremote/commands.py

@@ -137,14 +137,14 @@ def do_filesystem(state, args):
                 raise CommandError("'cp -r' source files must be local")
             _list_recursive(src_files, path)
         known_dirs = {""}
-        state.transport.exec_("import uos")
+        state.transport.exec_("import os")
         for dir, file in src_files:
             dir_parts = dir.split("/")
             for i in range(len(dir_parts)):
                 d = "/".join(dir_parts[: i + 1])
                 if d not in known_dirs:
                     state.transport.exec_(
-                        "try:\n uos.mkdir('%s')\nexcept OSError as e:\n print(e)" % d
+                        "try:\n os.mkdir('%s')\nexcept OSError as e:\n print(e)" % d
                     )
                     known_dirs.add(d)
             state.transport.filesystem_command(

tools/mpremote/mpremote/main.py

@@ -317,7 +317,7 @@ _BUILTIN_COMMAND_EXPANSIONS = {
     # Disk used/free.
     "df": [
         "exec",
-        "import uos\nprint('mount \\tsize \\tused \\tavail \\tuse%')\nfor _m in [''] + uos.listdir('/'):\n _s = uos.stat('/' + _m)\n if not _s[0] & 1 << 14: continue\n _s = uos.statvfs(_m)\n if _s[0]:\n  _size = _s[0] * _s[2]; _free = _s[0] * _s[3]; print(_m, _size, _size - _free, _free, int(100 * (_size - _free) / _size), sep='\\t')",
+        "import os\nprint('mount \\tsize \\tused \\tavail \\tuse%')\nfor _m in [''] + os.listdir('/'):\n _s = os.stat('/' + _m)\n if not _s[0] & 1 << 14: continue\n _s = os.statvfs(_m)\n if _s[0]:\n  _size = _s[0] * _s[2]; _free = _s[0] * _s[3]; print(_m, _size, _size - _free, _free, int(100 * (_size - _free) / _size), sep='\\t')",
     ],
     # Other shortcuts.
     "reset": {

tools/mpremote/mpremote/transport_serial.py

@@ -292,14 +292,14 @@ class SerialTransport(Transport):
 
     def fs_exists(self, src):
         try:
-            self.exec("import uos\nuos.stat(%s)" % (("'%s'" % src) if src else ""))
+            self.exec("import os\nos.stat(%s)" % (("'%s'" % src) if src else ""))
             return True
         except TransportError:
             return False
 
     def fs_ls(self, src):
         cmd = (
-            "import uos\nfor f in uos.ilistdir(%s):\n"
+            "import os\nfor f in os.ilistdir(%s):\n"
             " print('{:12} {}{}'.format(f[3]if len(f)>3 else 0,f[0],'/'if f[1]&0x4000 else ''))"
             % (("'%s'" % src) if src else "")
         )
@@ -311,7 +311,7 @@ class SerialTransport(Transport):
         def repr_consumer(b):
             buf.extend(b.replace(b"\x04", b""))
 
-        cmd = "import uos\nfor f in uos.ilistdir(%s):\n" " print(repr(f), end=',')" % (
+        cmd = "import os\nfor f in os.ilistdir(%s):\n" " print(repr(f), end=',')" % (
             ("'%s'" % src) if src else ""
         )
         try:
@@ -328,8 +328,8 @@ class SerialTransport(Transport):
 
     def fs_stat(self, src):
         try:
-            self.exec("import uos")
-            return os.stat_result(self.eval("uos.stat(%s)" % (("'%s'" % src)), parse=True))
+            self.exec("import os")
+            return os.stat_result(self.eval("os.stat(%s)" % (("'%s'" % src)), parse=True))
         except TransportError as e:
             reraise_filesystem_error(e, src)
 
@@ -422,13 +422,13 @@ class SerialTransport(Transport):
         self.exec("f.close()")
 
     def fs_mkdir(self, dir):
-        self.exec("import uos\nuos.mkdir('%s')" % dir)
+        self.exec("import os\nos.mkdir('%s')" % dir)
 
     def fs_rmdir(self, dir):
-        self.exec("import uos\nuos.rmdir('%s')" % dir)
+        self.exec("import os\nos.rmdir('%s')" % dir)
 
     def fs_rm(self, src):
-        self.exec("import uos\nuos.remove('%s')" % src)
+        self.exec("import os\nos.remove('%s')" % src)
 
     def fs_touch(self, src):
         self.exec("f=open('%s','a')\nf.close()" % src)
@@ -595,7 +595,7 @@ class SerialTransport(Transport):
 
     def umount_local(self):
         if self.mounted:
-            self.exec('uos.umount("/remote")')
+            self.exec('os.umount("/remote")')
             self.mounted = False
             self.serial = self.serial.orig_serial
 
@@ -616,18 +616,18 @@ fs_hook_cmds = {
 }
 
 fs_hook_code = """\
-import uos, uio, ustruct, micropython
+import os, io, struct, micropython
 
 SEEK_SET = 0
 
 class RemoteCommand:
     def __init__(self):
-        import uselect, usys
+        import select, sys
         self.buf4 = bytearray(4)
-        self.fout = usys.stdout.buffer
-        self.fin = usys.stdin.buffer
-        self.poller = uselect.poll()
-        self.poller.register(self.fin, uselect.POLLIN)
+        self.fout = sys.stdout.buffer
+        self.fin = sys.stdin.buffer
+        self.poller = select.poll()
+        self.poller.register(self.fin, select.POLLIN)
 
     def poll_in(self):
         for _ in self.poller.ipoll(1000):
@@ -710,7 +710,7 @@ class RemoteCommand:
         self.fout.write(self.buf4, 1)
 
     def wr_s32(self, i):
-        ustruct.pack_into('<i', self.buf4, 0, i)
+        struct.pack_into('<i', self.buf4, 0, i)
         self.fout.write(self.buf4)
 
     def wr_bytes(self, b):
@@ -721,7 +721,7 @@ class RemoteCommand:
     wr_str = wr_bytes
 
 
-class RemoteFile(uio.IOBase):
+class RemoteFile(io.IOBase):
     def __init__(self, cmd, fd, is_text):
         self.cmd = cmd
         self.fd = fd
@@ -934,8 +934,8 @@ class RemoteFS:
 
 
 def __mount():
-    uos.mount(RemoteFS(RemoteCommand()), '/remote')
-    uos.chdir('/remote')
+    os.mount(RemoteFS(RemoteCommand()), '/remote')
+    os.chdir('/remote')
 """
 
 # Apply basic compression on hook code.

tools/pyboard.py

@@ -509,14 +509,14 @@ class Pyboard:
 
     def fs_exists(self, src):
         try:
-            self.exec_("import uos\nuos.stat(%s)" % (("'%s'" % src) if src else ""))
+            self.exec_("import os\nos.stat(%s)" % (("'%s'" % src) if src else ""))
             return True
         except PyboardError:
             return False
 
     def fs_ls(self, src):
         cmd = (
-            "import uos\nfor f in uos.ilistdir(%s):\n"
+            "import os\nfor f in os.ilistdir(%s):\n"
             " print('{:12} {}{}'.format(f[3]if len(f)>3 else 0,f[0],'/'if f[1]&0x4000 else ''))"
             % (("'%s'" % src) if src else "")
         )
@@ -528,7 +528,7 @@ class Pyboard:
         def repr_consumer(b):
             buf.extend(b.replace(b"\x04", b""))
 
-        cmd = "import uos\nfor f in uos.ilistdir(%s):\n" " print(repr(f), end=',')" % (
+        cmd = "import os\nfor f in os.ilistdir(%s):\n" " print(repr(f), end=',')" % (
             ("'%s'" % src) if src else ""
         )
         try:
@@ -545,8 +545,8 @@ class Pyboard:
 
     def fs_stat(self, src):
         try:
-            self.exec_("import uos")
-            return os.stat_result(self.eval("uos.stat(%s)" % (("'%s'" % src)), parse=True))
+            self.exec_("import os")
+            return os.stat_result(self.eval("os.stat(%s)" % (("'%s'" % src)), parse=True))
         except PyboardError as e:
             raise e.convert(src)
 
@@ -639,13 +639,13 @@ class Pyboard:
         self.exec_("f.close()")
 
     def fs_mkdir(self, dir):
-        self.exec_("import uos\nuos.mkdir('%s')" % dir)
+        self.exec_("import os\nos.mkdir('%s')" % dir)
 
     def fs_rmdir(self, dir):
-        self.exec_("import uos\nuos.rmdir('%s')" % dir)
+        self.exec_("import os\nos.rmdir('%s')" % dir)
 
     def fs_rm(self, src):
-        self.exec_("import uos\nuos.remove('%s')" % src)
+        self.exec_("import os\nos.remove('%s')" % src)
 
     def fs_touch(self, src):
         self.exec_("f=open('%s','a')\nf.close()" % src)
@@ -737,9 +737,9 @@ def filesystem_command(pyb, args, progress_callback=None, verbose=False):
 
 
 _injected_import_hook_code = """\
-import uos, uio
+import os, io
 class _FS:
-  class File(uio.IOBase):
+  class File(io.IOBase):
     def __init__(self):
       self.off = 0
     def ioctl(self, request, arg):
@@ -756,10 +756,10 @@ class _FS:
       raise OSError(-2) # ENOENT
   def open(self, path, mode):
     return self.File()
-uos.mount(_FS(), '/_')
-uos.chdir('/_')
+os.mount(_FS(), '/_')
+os.chdir('/_')
 from _injected import *
-uos.umount('/_')
+os.umount('/_')
 del _injected_buf, _FS
 """