calibre/scripts/prs500.py

291 lines
11 KiB
Python
Executable File

#!/usr/bin/env python
"""
Provides a command-line interface to the SONY Reader PRS-500.
For usage information run the script.
"""
import StringIO, sys, time, os
from optparse import OptionParser
from libprs500 import VERSION
from libprs500.communicate import PRS500Device
from libprs500.terminfo import TerminalController
from libprs500.errors import ArgumentError
MINIMUM_COL_WIDTH = 12 #: Minimum width of columns in ls output
def human_readable(size):
""" Convert a size in bytes into a human readle form """
if size < 1024: divisor, suffix = 1, ""
elif size < 1024*1024: divisor, suffix = 1024., "K"
elif size < 1024*1024*1024: divisor, suffix = 1024*1024, "M"
elif size < 1024*1024*1024*1024: divisor, suffix = 1024*1024, "G"
size = str(size/divisor)
if size.find(".") > -1: size = size[:size.find(".")+2]
return size + suffix
class FileFormatter(object):
def __init__(self, file, term):
self.term = term
self.is_dir = file.is_dir
self.is_readonly = file.is_readonly
self.size = file.size
self.ctime = file.ctime
self.wtime = file.wtime
self.name = file.name
self.path = file.path
@apply
def mode_string():
doc=""" The mode string for this file. There are only two modes read-only and read-write """
def fget(self):
mode, x = "-", "-"
if self.is_dir: mode, x = "d", "x"
if self.is_readonly: mode += "r-"+x+"r-"+x+"r-"+x
else: mode += "rw"+x+"rw"+x+"rw"+x
return mode
return property(**locals())
@apply
def name_in_color():
doc=""" The name in ANSI text. Directories are blue, ebooks are green """
def fget(self):
cname = self.name
blue, green, normal = "", "", ""
if self.term: blue, green, normal = self.term.BLUE, self.term.GREEN, self.term.NORMAL
if self.is_dir: cname = blue + self.name + normal
else:
ext = self.name[self.name.rfind("."):]
if ext in (".pdf", ".rtf", ".lrf", ".lrx", ".txt"): cname = green + self.name + normal
return cname
return property(**locals())
@apply
def human_readable_size():
doc=""" File size in human readable form """
def fget(self):
human_readable(self.size)
return property(**locals())
@apply
def modification_time():
doc=""" Last modified time in the Linux ls -l format """
def fget(self):
return time.strftime("%Y-%m-%d %H:%M", time.localtime(self.wtime))
return property(**locals())
@apply
def creation_time():
doc=""" Last modified time in the Linux ls -l format """
def fget(self):
return time.strftime("%Y-%m-%d %H:%M", time.localtime(self.ctime))
return property(**locals())
def info(dev):
info = dev.get_device_information()
print "Device name: ", info[0]
print "Device version: ", info[1]
print "Software version:", info[2]
print "Mime type: ", info[3]
def ls(dev, path, term, recurse=False, color=False, human_readable_size=False, ll=False, cols=0):
def col_split(l, cols): # split list l into columns
rows = len(l) / cols
if len(l) % cols:
rows += 1
m = []
for i in range(rows):
m.append(l[i::rows])
return m
def row_widths(table): # Calculate widths for each column in the row-wise table
tcols = len(table[0])
rowwidths = [ 0 for i in range(tcols) ]
for row in table:
c = 0
for item in row:
rowwidths[c] = len(item) if len(item) > rowwidths[c] else rowwidths[c]
c += 1
return rowwidths
output = StringIO.StringIO()
if path.endswith("/"): path = path[:-1]
dirs = dev.list(path, recurse)
for dir in dirs:
if recurse: print >>output, dir[0] + ":"
lsoutput, lscoloutput = [], []
files = dir[1]
maxlen = 0
if ll: # Calculate column width for size column
for file in files:
size = len(str(file.size))
if human_readable_size:
file = FileFormatter(file, term)
size = len(file.human_readable_size)
if size > maxlen: maxlen = size
for file in files:
file = FileFormatter(file, term)
name = file.name
lsoutput.append(name)
if color: name = file.name_in_color
lscoloutput.append(name)
if ll:
size = str(file.size)
if human_readable_size: size = file.human_readable_size
print >>output, file.mode_string, ("%"+str(maxlen)+"s")%size, file.modification_time, name
if not ll and len(lsoutput) > 0:
trytable = []
for colwidth in range(MINIMUM_COL_WIDTH, cols):
trycols = int(cols/colwidth)
trytable = col_split(lsoutput, trycols)
works = True
for row in trytable:
row_break = False
for item in row:
if len(item) > colwidth - 1:
works, row_break = False, True
break
if row_break: break
if works: break
rowwidths = row_widths(trytable)
trytablecol = col_split(lscoloutput, len(trytable[0]))
for r in range(len(trytable)):
for c in range(len(trytable[r])):
padding = rowwidths[c] - len(trytable[r][c])
print >>output, trytablecol[r][c], "".ljust(padding),
print >>output
print >>output
listing = output.getvalue().rstrip()+ "\n"
output.close()
return listing
def main():
term = TerminalController()
cols = term.COLS
parser = OptionParser(usage="usage: %prog [options] command args\n\ncommand is one of: info, df, ls, cp, mkdir, touch, cat or rm\n\n"+
"For help on a particular command: %prog command", version="libprs500 version: " + VERSION)
parser.add_option("--log-packets", help="print out packet stream to stdout. "+\
"The numbers in the left column are byte offsets that allow the packet size to be read off easily.",
dest="log_packets", action="store_true", default=False)
parser.remove_option("-h")
parser.disable_interspersed_args() # Allow unrecognized options
options, args = parser.parse_args()
if len(args) < 1:
parser.print_help()
sys.exit(1)
command = args[0]
args = args[1:]
dev = PRS500Device(log_packets=options.log_packets)
dev.open()
try:
if command == "df":
data = dev.available_space()
print "Filesystem\tSize \tUsed \tAvail \tUse%"
for datum in data:
total, free, used, percent = human_readable(datum[2]), human_readable(datum[1]), human_readable(datum[2]-datum[1]), \
str(0 if datum[2]==0 else int(100*(datum[2]-datum[1])/(datum[2]*1.)))+"%"
print "%-10s\t%s\t%s\t%s\t%s"%(datum[0], total, used, free, percent)
elif command == "mkdir":
parser = OptionParser(usage="usage: %prog mkdir [options] path\n\npath must begin with /,a:/ or b:/")
if len(args) != 1:
parser.print_help()
sys.exit(1)
dev.mkdir(args[0])
elif command == "ls":
parser = OptionParser(usage="usage: %prog ls [options] path\n\npath must begin with /,a:/ or b:/")
parser.add_option("--color", help="show ls output in color", dest="color", action="store_true", default=False)
parser.add_option("-l", help="In addition to the name of each file, print the file type, permissions, and timestamp (the modification time unless other times are selected). Times are local.", dest="ll", action="store_true", default=False)
parser.add_option("-R", help="Recursively list subdirectories encountered. /dev and /proc are omitted", dest="recurse", action="store_true", default=False)
parser.remove_option("-h")
parser.add_option("-h", "--human-readable", help="show sizes in human readable format", dest="hrs", action="store_true", default=False)
options, args = parser.parse_args(args)
if len(args) != 1:
parser.print_help()
sys.exit(1)
dev.open()
print ls(dev, args[0], term, color=options.color, recurse=options.recurse, ll=options.ll, human_readable_size=options.hrs, cols=cols),
elif command == "info":
info(dev)
elif command == "cp":
usage="usage: %prog cp [options] source destination\n\n"+\
"One of source or destination must be a path on the device. \n\nDevice paths have the form\n"+\
"prs500:mountpoint/my/path\n"+\
"where mountpoint is one of /, a: or b:\n\n"+\
"source must point to a file for which you have read permissions\n"+\
"destination must point to a file or directory for which you have write permissions"
parser = OptionParser(usage=usage)
options, args = parser.parse_args(args)
if len(args) != 2:
parser.print_help()
sys.exit(1)
if args[0].startswith("prs500:"):
outfile = args[1]
path = args[0][7:]
if path.endswith("/"): path = path[:-1]
if os.path.isdir(outfile):
outfile = os.path.join(outfile, path[path.rfind("/")+1:])
try:
outfile = open(outfile, "w")
except IOError, e:
print >> sys.stderr, e
parser.print_help()
sys.exit(1)
dev.get_file(path, outfile)
outfile.close()
elif args[1].startswith("prs500:"):
try:
infile = open(args[0], "r")
except IOError, e:
print >> sys.stderr, e
parser.print_help()
sys.exit(1)
dev.put_file(infile, args[1][7:])
infile.close()
else:
parser.print_help()
sys.exit(1)
elif command == "cat":
outfile = sys.stdout
parser = OptionParser(usage="usage: %prog cat path\n\npath should point to a file on the device and must begin with /,a:/ or b:/")
options, args = parser.parse_args(args)
if len(args) != 1:
parser.print_help()
sys.exit(1)
if args[0].endswith("/"): path = args[0][:-1]
else: path = args[0]
outfile = sys.stdout
dev.get_file(path, outfile)
elif command == "rm":
parser = OptionParser(usage="usage: %prog rm path\n\npath should point to a file or empty directory on the device "+\
"and must begin with /,a:/ or b:/\n\n"+\
"rm will DELETE the file. Be very CAREFUL")
options, args = parser.parse_args(args)
if len(args) != 1:
parser.print_help()
sys.exit(1)
dev.rm(args[0])
elif command == "touch":
parser = OptionParser(usage="usage: %prog touch path\n\npath should point to a file on the device and must begin with /,a:/ or b:/\n\n"+
"Unfortunately, I cant figure out how to update file times on the device, so if path already exists, touch does nothing" )
options, args = parser.parse_args(args)
if len(args) != 1:
parser.print_help()
sys.exit(1)
dev.touch(args[0])
else:
parser.print_help()
if dev.handle: dev.close()
sys.exit(1)
except ArgumentError, e:
print >>sys.stderr, e
sys.exit(1)
finally:
if dev.handle: dev.close()
if __name__ == "__main__":
main()