author | terom |
Thu, 31 Jan 2008 17:28:02 +0000 | |
changeset 26 | 81d6679d50d0 |
parent 12 | c2d8e9a754a1 |
permissions | -rw-r--r-- |
12
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
1 |
############################################################### |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
2 |
# Functions taken from pathutils.py Version 0.2.5 (2005/12/06), http://www.voidspace.org.uk/python/recipebook.shtml#utils |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
3 |
# Copyright Michael Foord 2004 |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
4 |
# Released subject to the BSD License |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
5 |
# Please see http://www.voidspace.org.uk/python/license.shtml |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
6 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
7 |
############################################################### |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
8 |
# formatbytes takes a filesize (as returned by os.getsize() ) |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
9 |
# and formats it for display in one of two ways !! |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
10 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
11 |
# For information about bugfixes, updates and support, please join the Pythonutils mailing list. |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
12 |
# http://groups.google.com/group/pythonutils/ |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
13 |
# Comments, suggestions and bug reports welcome. |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
14 |
# Scripts maintained at http://www.voidspace.org.uk/python/index.shtml |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
15 |
# E-mail fuzzyman@voidspace.org.uk |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
16 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
17 |
def formatbytes(sizeint, configdict=None, **configs): |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
18 |
""" |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
19 |
Given a file size as an integer, return a nicely formatted string that |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
20 |
represents the size. Has various options to control it's output. |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
21 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
22 |
You can pass in a dictionary of arguments or keyword arguments. Keyword |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
23 |
arguments override the dictionary and there are sensible defaults for options |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
24 |
you don't set. |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
25 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
26 |
Options and defaults are as follows : |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
27 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
28 |
* ``forcekb = False`` - If set this forces the output to be in terms |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
29 |
of kilobytes and bytes only. |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
30 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
31 |
* ``largestonly = True`` - If set, instead of outputting |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
32 |
``1 Mbytes, 307 Kbytes, 478 bytes`` it outputs using only the largest |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
33 |
denominator - e.g. ``1.3 Mbytes`` or ``17.2 Kbytes`` |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
34 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
35 |
* ``kiloname = 'Kbytes'`` - The string to use for kilobytes |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
36 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
37 |
* ``meganame = 'Mbytes'`` - The string to use for Megabytes |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
38 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
39 |
* ``bytename = 'bytes'`` - The string to use for bytes |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
40 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
41 |
* ``nospace = True`` - If set it outputs ``1Mbytes, 307Kbytes``, |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
42 |
notice there is no space. |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
43 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
44 |
Example outputs : :: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
45 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
46 |
19Mbytes, 75Kbytes, 255bytes |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
47 |
2Kbytes, 0bytes |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
48 |
23.8Mbytes |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
49 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
50 |
.. note:: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
51 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
52 |
It currently uses the plural form even for singular. |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
53 |
""" |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
54 |
defaultconfigs = { 'forcekb' : False, |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
55 |
'largestonly' : True, |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
56 |
'kiloname' : 'Kbytes', |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
57 |
'meganame' : 'Mbytes', |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
58 |
'bytename' : 'bytes', |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
59 |
'nospace' : True} |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
60 |
if configdict is None: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
61 |
configdict = {} |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
62 |
for entry in configs: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
63 |
# keyword parameters override the dictionary passed in |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
64 |
configdict[entry] = configs[entry] |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
65 |
# |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
66 |
for keyword in defaultconfigs: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
67 |
if not configdict.has_key(keyword): |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
68 |
configdict[keyword] = defaultconfigs[keyword] |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
69 |
# |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
70 |
if configdict['nospace']: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
71 |
space = '' |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
72 |
else: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
73 |
space = ' ' |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
74 |
# |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
75 |
mb, kb, rb = bytedivider(sizeint) |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
76 |
if configdict['largestonly']: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
77 |
if mb and not configdict['forcekb']: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
78 |
return stringround(mb, kb)+ space + configdict['meganame'] |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
79 |
elif kb or configdict['forcekb']: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
80 |
if mb and configdict['forcekb']: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
81 |
kb += 1024*mb |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
82 |
return stringround(kb, rb) + space+ configdict['kiloname'] |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
83 |
else: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
84 |
return str(rb) + space + configdict['bytename'] |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
85 |
else: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
86 |
outstr = '' |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
87 |
if mb and not configdict['forcekb']: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
88 |
outstr = str(mb) + space + configdict['meganame'] +', ' |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
89 |
if kb or configdict['forcekb'] or mb: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
90 |
if configdict['forcekb']: |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
91 |
kb += 1024*mb |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
92 |
outstr += str(kb) + space + configdict['kiloname'] +', ' |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
93 |
return outstr + str(rb) + space + configdict['bytename'] |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
94 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
95 |
def stringround(main, rest): |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
96 |
""" |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
97 |
Given a file size in either (mb, kb) or (kb, bytes) - round it |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
98 |
appropriately. |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
99 |
""" |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
100 |
# divide an int by a float... get a float |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
101 |
value = main + rest/1024.0 |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
102 |
return str(round(value, 1)) |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
103 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
104 |
def bytedivider(nbytes): |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
105 |
""" |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
106 |
Given an integer (probably a long integer returned by os.getsize() ) |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
107 |
it returns a tuple of (megabytes, kilobytes, bytes). |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
108 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
109 |
This can be more easily converted into a formatted string to display the |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
110 |
size of the file. |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
111 |
""" |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
112 |
mb, remainder = divmod(nbytes, 1048576) |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
113 |
kb, rb = divmod(remainder, 1024) |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
114 |
return (mb, kb, rb) |
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
115 |
|
c2d8e9a754a1
Major code restructuring. Version is now 0.5, templates use Mako, and the code is split off into several files under lib/
terom
parents:
diff
changeset
|
116 |