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upysh.py
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upysh.py
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import sys
import os
class LS:
def __repr__(self):
self.__call__()
return ""
def __call__(self, path="."):
l = list(os.ilistdir(path))
l.sort()
for f in l:
if f[1] == 0x4000: # stat.S_IFDIR
print(" <dir> %s" % f[0])
for f in l:
if f[1] != 0x4000:
if len(f) > 3:
print("% 9d %s" % (f[3], f[0]))
else:
print(" %s" % f[0])
try:
st = os.statvfs(path)
print("\n{:,d}k free".format(st[1] * st[3] // 1024))
except:
pass
class PWD:
def __repr__(self):
return os.getcwd()
def __call__(self):
return self.__repr__()
class CLEAR:
def __repr__(self):
return "\x1b[2J\x1b[H"
def __call__(self):
return self.__repr__()
def head(f, n=10):
with open(f) as f:
for i in range(n):
l = f.readline()
if not l:
break
sys.stdout.write(l)
def cat(f):
head(f, 1 << 30)
def cp(s, t):
try:
if os.stat(t)[0] & 0x4000: # is directory
t = t.rstrip("/") + "/" + s
except OSError:
pass
buf = bytearray(512)
buf_mv = memoryview(buf)
with open(s, "rb") as s, open(t, "wb") as t:
while True:
n = s.readinto(buf)
if n <= 0:
break
t.write(buf_mv[:n])
def newfile(path):
print("Type file contents line by line, finish with EOF (Ctrl+D).")
with open(path, "w") as f:
while 1:
try:
l = input()
except EOFError:
break
f.write(l)
f.write("\n")
def rm(d, recursive=False): # Remove file or tree
try:
if (os.stat(d)[0] & 0x4000) and recursive: # Dir
for f in os.ilistdir(d):
if f[0] != "." and f[0] != "..":
rm("/".join((d, f[0]))) # File or Dir
os.rmdir(d)
else: # File
os.remove(d)
except:
print("rm of '%s' failed" % d)
class TREE:
def __repr__(self):
self.__call__()
return ""
def __call__(self, path=".", level=0, is_last=False, is_root=True,
carrier=" "):
l = os.listdir(path)
nf = len([file for file in os.listdir(path) if not os.stat(file)[0] & 0x4000])
nd = len(l) - nf
ns_f, ns_d = 0, 0
l.sort()
if len(l) > 0:
last_file = l[-1]
else:
last_file = ''
for f in l:
st = os.stat("%s/%s" % (path, f))
if st[0] & 0x4000: # stat.S_IFDIR
print(self._treeindent(level, f, last_file, is_last=is_last, carrier=carrier) + " %s <dir>" % f)
os.chdir(f)
level += 1
lf = last_file == f
if level > 1:
if lf:
carrier += " "
else:
carrier += " │"
ns_f, ns_d = self.__call__(level=level, is_last=lf,
is_root=False, carrier=carrier)
if level > 1:
carrier = carrier[:-5]
os.chdir('..')
level += (-1)
nf += ns_f
nd += ns_d
else:
print(self._treeindent(level, f, last_file, is_last=is_last, carrier=carrier) + " %s" % (f))
if is_root:
print('{} directories, {} files'.format(nd, nf))
else:
return (nf, nd)
def _treeindent(self, lev, f, lastfile, is_last=False, carrier=None):
if lev == 0:
return ""
else:
if f != lastfile:
return carrier + " ├────"
else:
return carrier + " └────"
class DISK_USAGE:
def __repr__(self):
self.__call__()
return ""
def __call__(self, path=".", dlev=0, max_dlev=0, hidden=False):
if path != ".":
if not os.stat(path)[0] & 0x4000:
print('{:9} {}'.format(self.print_filesys_info(os.stat(path)[6]), path))
else:
if hidden:
resp = {path+'/'+dir: os.stat(path+'/'+dir)[6] for dir in os.listdir(path)}
else:
resp = {path+'/'+dir: os.stat(path+'/'+dir)[6] for dir in os.listdir(path) if not dir.startswith('.')}
for dir in resp.keys():
if not os.stat(dir)[0] & 0x4000:
print('{:9} {}'.format(self.print_filesys_info(resp[dir]), dir))
else:
if dlev < max_dlev:
dlev += 1
self.__call__(path=dir, dlev=dlev, max_dlev=max_dlev, hidden=hidden)
dlev += (-1)
else:
print('{:9} {} {}'.format(self.print_filesys_info(self.get_dir_size_recursive(dir)), dir, '<dir>'))
else:
if hidden:
resp = {path+'/'+dir: os.stat(path+'/'+dir)[6] for dir in os.listdir(path)}
else:
resp = {path+'/'+dir: os.stat(path+'/'+dir)[6] for dir in os.listdir(path) if not dir.startswith('.')}
for dir in resp.keys():
if not os.stat(dir)[0] & 0x4000:
print('{:9} {}'.format(self.print_filesys_info(resp[dir]), dir))
else:
if dlev < max_dlev:
dlev += 1
self.__call__(path=dir, dlev=dlev, max_dlev=max_dlev, hidden=hidden)
dlev += (-1)
else:
print('{:9} {} {}'.format(self.print_filesys_info(self.get_dir_size_recursive(dir)), dir, '<dir>'))
def print_filesys_info(self, filesize):
_kB = 1024
if filesize < _kB:
sizestr = str(filesize) + " by"
elif filesize < _kB**2:
sizestr = "%0.1f KB" % (filesize / _kB)
elif filesize < _kB**3:
sizestr = "%0.1f MB" % (filesize / _kB**2)
else:
sizestr = "%0.1f GB" % (filesize / _kB**3)
return sizestr
def get_dir_size_recursive(self, dir):
return sum([os.stat(dir+'/'+f)[6] if not os.stat(dir+'/'+f)[0] & 0x4000 else self.get_dir_size_recursive(dir+'/'+f) for f in os.listdir(dir)])
class Man:
def __repr__(self):
return """
upysh is intended to be imported using:
from upysh import *
To see this help text again, type "man".
upysh commands:
clear, ls, ls(...), head(...), cat(...), newfile(...)
cp('src', 'dest'), mv('old', 'new'), rm(...)
pwd, cd(...), mkdir(...), rmdir(...), tree(...), du(...)
"""
man = Man()
pwd = PWD()
ls = LS()
clear = CLEAR()
cd = os.chdir
mkdir = os.mkdir
mv = os.rename
rmdir = os.rmdir
# https://forum.micropython.org/viewtopic.php?t=7550
du = DISK_USAGE()
tree = TREE()
print(man)