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https://github.com/kovidgoyal/calibre.git
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pep8
This commit is contained in:
Kovid Goyal
parent
5346868df7
commit
a33b6098f7
@ -16,9 +16,10 @@ from calibre.customize.ui import device_plugins
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from calibre.devices.scanner import DeviceScanner
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from calibre.utils.config import device_prefs
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MINIMUM_COL_WIDTH = 12 #: Minimum width of columns in ls output
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MINIMUM_COL_WIDTH = 12 # : Minimum width of columns in ls output
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class FileFormatter(object):
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def __init__(self, file):
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self.is_dir = file.is_dir
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self.is_readonly = file.is_readonly
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@ -33,9 +34,12 @@ class FileFormatter(object):
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doc=""" The mode string for this file. There are only two modes read-only and read-write """
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def fget(self):
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mode, x = "-", "-"
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if self.is_dir: mode, x = "d", "x"
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if self.is_readonly: mode += "r-"+x+"r-"+x+"r-"+x
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else: mode += "rw"+x+"rw"+x+"rw"+x
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if self.is_dir:
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mode, x = "d", "x"
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if self.is_readonly:
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mode += "r-"+x+"r-"+x+"r-"+x
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else:
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mode += "rw"+x+"rw"+x+"rw"+x
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return mode
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return property(doc=doc, fget=fget)
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@ -49,18 +53,20 @@ class FileFormatter(object):
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return name
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return property(doc=doc, fget=fget)
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@dynamic_property
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def name_in_color(self):
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doc=""" The name in ANSI text. Directories are blue, ebooks are green """
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def fget(self):
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cname = self.name
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blue, green, normal = "", "", ""
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if self.term: blue, green, normal = self.term.BLUE, self.term.GREEN, self.term.NORMAL
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if self.is_dir: cname = blue + self.name + normal
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if self.term:
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blue, green, normal = self.term.BLUE, self.term.GREEN, self.term.NORMAL
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if self.is_dir:
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cname = blue + self.name + normal
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else:
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ext = self.name[self.name.rfind("."):]
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if ext in (".pdf", ".rtf", ".lrf", ".lrx", ".txt"): cname = green + self.name + normal
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if ext in (".pdf", ".rtf", ".lrf", ".lrx", ".txt"):
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cname = green + self.name + normal
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return cname
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return property(doc=doc, fget=fget)
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@ -93,7 +99,7 @@ def info(dev):
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print "Mime type: ", info[3]
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def ls(dev, path, recurse=False, human_readable_size=False, ll=False, cols=0):
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def col_split(l, cols): # split list l into columns
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def col_split(l, cols): # split list l into columns
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rows = len(l) / cols
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if len(l) % cols:
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rows += 1
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@ -102,9 +108,9 @@ def ls(dev, path, recurse=False, human_readable_size=False, ll=False, cols=0):
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m.append(l[i::rows])
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return m
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def row_widths(table): # Calculate widths for each column in the row-wise table
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def row_widths(table): # Calculate widths for each column in the row-wise table
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tcols = len(table[0])
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rowwidths = [ 0 for i in range(tcols) ]
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rowwidths = [0 for i in range(tcols)]
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for row in table:
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c = 0
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for item in row:
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@ -113,20 +119,23 @@ def ls(dev, path, recurse=False, human_readable_size=False, ll=False, cols=0):
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return rowwidths
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output = StringIO.StringIO()
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if path.endswith("/") and len(path) > 1: path = path[:-1]
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if path.endswith("/") and len(path) > 1:
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path = path[:-1]
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dirs = dev.list(path, recurse)
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for dir in dirs:
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if recurse: print >>output, dir[0] + ":"
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if recurse:
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print >>output, dir[0] + ":"
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lsoutput, lscoloutput = [], []
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files = dir[1]
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maxlen = 0
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if ll: # Calculate column width for size column
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if ll: # Calculate column width for size column
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for file in files:
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size = len(str(file.size))
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if human_readable_size:
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file = FileFormatter(file)
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size = len(file.human_readable_size)
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if size > maxlen: maxlen = size
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if size > maxlen:
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maxlen = size
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for file in files:
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file = FileFormatter(file)
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name = file.name if ll else file.isdir_name
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@ -134,7 +143,8 @@ def ls(dev, path, recurse=False, human_readable_size=False, ll=False, cols=0):
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lscoloutput.append(name)
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if ll:
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size = str(file.size)
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if human_readable_size: size = file.human_readable_size
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if human_readable_size:
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size = file.human_readable_size
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print >>output, file.mode_string, ("%"+str(maxlen)+"s")%size, file.modification_time, name
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if not ll and len(lsoutput) > 0:
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trytable = []
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@ -148,8 +158,10 @@ def ls(dev, path, recurse=False, human_readable_size=False, ll=False, cols=0):
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if len(item) > colwidth - 1:
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works, row_break = False, True
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break
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if row_break: break
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if works: break
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if row_break:
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break
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if works:
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break
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rowwidths = row_widths(trytable)
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trytablecol = col_split(lscoloutput, len(trytable[0]))
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for r in range(len(trytable)):
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@ -176,11 +188,11 @@ def main():
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parser = OptionParser(usage="usage: %prog [options] command args\n\ncommand "+
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"is one of: info, books, df, ls, cp, mkdir, touch, cat, rm, eject, test_file\n\n"+
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"For help on a particular command: %prog command", version=__appname__+" version: " + __version__)
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parser.add_option("--log-packets", help="print out packet stream to stdout. "+\
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parser.add_option("--log-packets", help="print out packet stream to stdout. "+
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"The numbers in the left column are byte offsets that allow the packet size to be read off easily.",
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dest="log_packets", action="store_true", default=False)
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parser.remove_option("-h")
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parser.disable_interspersed_args() # Allow unrecognized options
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parser.disable_interspersed_args() # Allow unrecognized options
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options, args = parser.parse_args()
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if len(args) < 1:
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@ -227,7 +239,6 @@ def main():
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d.specialize_global_preferences(device_prefs)
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break
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try:
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if command == "df":
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total = dev.total_space(end_session=False)
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@ -235,7 +246,7 @@ def main():
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where = ("Memory", "Card A", "Card B")
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print "Filesystem\tSize \tUsed \tAvail \tUse%"
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for i in range(3):
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print "%-10s\t%s\t%s\t%s\t%s"%(where[i], human_readable(total[i]), human_readable(total[i]-free[i]), human_readable(free[i]),\
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print "%-10s\t%s\t%s\t%s\t%s"%(where[i], human_readable(total[i]), human_readable(total[i]-free[i]), human_readable(free[i]),
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str(0 if total[i]==0 else int(100*(total[i]-free[i])/(total[i]*1.)))+"%")
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elif command == 'eject':
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dev.eject()
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@ -244,9 +255,11 @@ def main():
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for book in dev.books():
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print book
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print "\nBooks on storage carda:"
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for book in dev.books(oncard='carda'): print book
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for book in dev.books(oncard='carda'):
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print book
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print "\nBooks on storage cardb:"
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for book in dev.books(oncard='cardb'): print book
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for book in dev.books(oncard='cardb'):
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print book
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elif command == "mkdir":
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parser = OptionParser(usage="usage: %prog mkdir [options] path\nCreate a directory on the device\n\npath must begin with / or card:/")
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if len(args) != 1:
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@ -255,8 +268,11 @@ def main():
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dev.mkdir(args[0])
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elif command == "ls":
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parser = OptionParser(usage="usage: %prog ls [options] path\nList files on the device\n\npath must begin with / or card:/")
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parser.add_option("-l", help="In addition to the name of each file, print the file type, permissions, and timestamp (the modification time, in the local timezone). Times are local.", dest="ll", action="store_true", default=False)
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parser.add_option("-R", help="Recursively list subdirectories encountered. /dev and /proc are omitted", dest="recurse", action="store_true", default=False)
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parser.add_option(
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"-l", help="In addition to the name of each file, print the file type, permissions, and timestamp (the modification time, in the local timezone). Times are local.", # noqa
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dest="ll", action="store_true", default=False)
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parser.add_option("-R", help="Recursively list subdirectories encountered. /dev and /proc are omitted",
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dest="recurse", action="store_true", default=False)
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parser.remove_option("-h")
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parser.add_option("-h", "--human-readable", help="show sizes in human readable format", dest="hrs", action="store_true", default=False)
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options, args = parser.parse_args(args)
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@ -283,7 +299,8 @@ def main():
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if args[0].startswith("dev:"):
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outfile = args[1]
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path = args[0][7:]
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if path.endswith("/"): path = path[:-1]
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if path.endswith("/"):
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path = path[:-1]
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if os.path.isdir(outfile):
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outfile = os.path.join(outfile, path[path.rfind("/")+1:])
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try:
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@ -316,18 +333,21 @@ def main():
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return 1
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elif command == "cat":
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outfile = sys.stdout
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parser = OptionParser(usage="usage: %prog cat path\nShow file on the device\n\npath should point to a file on the device and must begin with /,a:/ or b:/")
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parser = OptionParser(
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usage="usage: %prog cat path\nShow file on the device\n\npath should point to a file on the device and must begin with /,a:/ or b:/")
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options, args = parser.parse_args(args)
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if len(args) != 1:
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parser.print_help()
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return 1
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if args[0].endswith("/"): path = args[0][:-1]
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else: path = args[0]
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if args[0].endswith("/"):
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path = args[0][:-1]
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else:
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path = args[0]
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outfile = sys.stdout
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dev.get_file(path, outfile)
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elif command == "rm":
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parser = OptionParser(usage="usage: %prog rm path\nDelete files from the device\n\npath should point to a file or empty directory on the device "+\
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"and must begin with / or card:/\n\n"+\
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parser = OptionParser(usage="usage: %prog rm path\nDelete files from the device\n\npath should point to a file or empty directory on the device "+
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"and must begin with / or card:/\n\n"+
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"rm will DELETE the file. Be very CAREFUL")
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options, args = parser.parse_args(args)
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if len(args) != 1:
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@ -335,8 +355,8 @@ def main():
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return 1
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dev.rm(args[0])
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elif command == "touch":
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parser = OptionParser(usage="usage: %prog touch path\nCreate an empty file on the device\n\npath should point to a file on the device and must begin with /,a:/ or b:/\n\n"+
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"Unfortunately, I cant figure out how to update file times on the device, so if path already exists, touch does nothing" )
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parser = OptionParser(usage="usage: %prog touch path\nCreate an empty file on the device\n\npath should point to a file on the device and must begin with /,a:/ or b:/\n\n"+ # noqa
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"Unfortunately, I cant figure out how to update file times on the device, so if path already exists, touch does nothing")
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options, args = parser.parse_args(args)
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if len(args) != 1:
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parser.print_help()
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@ -358,7 +378,8 @@ def main():
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dev.eject()
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else:
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parser.print_help()
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if getattr(dev, 'handle', False): dev.close()
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if getattr(dev, 'handle', False):
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dev.close()
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return 1
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except DeviceLocked:
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print >> sys.stderr, "The device is locked. Use the --unlock option"
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