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#!/usr/bin/python
#
# Copyright 2004 Karl Trygve Kalleberg <karltk@gentoo.org>
# Copyright(c) 2010, Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
#
# $Header$
import errno
import sys
import time
import gentoolkit
from gentoolkit.textwrap_ import TextWrapper
import gentoolkit.pprinter as pp
def format_options(options):
"""Format module options.
@type options: list
@param options: [('option 1', 'description 1'), ('option 2', 'des... )]
@rtype: str
@return: formatted options string
"""
result = []
twrap = TextWrapper(width=gentoolkit.CONFIG['termWidth'])
opts = (x[0] for x in options)
descs = (x[1] for x in options)
for opt, desc in zip(opts, descs):
twrap.initial_indent = pp.emph(opt.ljust(25))
twrap.subsequent_indent = " " * 25
result.append(twrap.fill(desc))
return '\n'.join(result)
def format_filetype(path, fdesc, show_type=False, show_md5=False,
show_timestamp=False):
"""Format a path for printing.
@type path: str
@param path: the path
@type fdesc: list
@param fdesc: [file_type, timestamp, MD5 sum/symlink target]
file_type is one of dev, dir, obj, sym.
If file_type is dir, there is no timestamp or MD5 sum.
If file_type is sym, fdesc[2] is the target of the symlink.
@type show_type: bool
@param show_type: if True, prepend the file's type to the formatted string
@type show_md5: bool
@param show_md5: if True, append MD5 sum to the formatted string
@type show_timestamp: bool
@param show_timestamp: if True, append time-of-creation after pathname
@rtype: str
@return: formatted pathname with optional added information
"""
ftype = fpath = stamp = md5sum = ""
if fdesc[0] == "obj":
ftype = "file"
fpath = path
stamp = format_timestamp(fdesc[1])
md5sum = fdesc[2]
elif fdesc[0] == "dir":
ftype = "dir"
fpath = pp.path(path)
elif fdesc[0] == "sym":
ftype = "sym"
stamp = format_timestamp(fdesc[1])
tgt = fdesc[2].split()[0]
if CONFIG["piping"]:
fpath = path
else:
fpath = pp.path_symlink(path + " -> " + tgt)
elif fdesc[0] == "dev":
ftype = "dev"
fpath = path
else:
sys.stderr.write(
pp.error("%s has unknown type: %s" % (path, fdesc[0]))
)
result = ""
if show_type:
result += "%4s " % ftype
result += fpath
if show_timestamp:
result += " " + stamp
if show_md5:
result += " " + md5sum
return result
def format_timestamp(timestamp):
"""Format a timestamp into, e.g., '2009-01-31 21:19:44' format"""
return time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(int(timestamp)))
class CpvValueWrapper(object):
"""Format a cpv and linewrap pre-formatted values"""
def __init__(self, cpv_width=None, width=None):
self.cpv_width = cpv_width
if width is None:
width = gentoolkit.CONFIG['termWidth']
self.twrap = TextWrapper(width=width)
#self.init_indent = len(self.spacer)
def _format_values(self, key, values):
"""Format entry values ie. USE flags, keywords,...
@type key: str
@param key: a pre-formatted cpv
@type values: list of pre-formatted strings
@param values: ['flag1', 'flag2',...]
@rtype: str
@return: formatted options string
"""
result = []
if self.cpv_width > 1:
_cpv = pp.cpv(key+'.'*(self.cpv_width-len(key)))
if not len(values):
return _cpv
self.twrap.initial_indent = _cpv
self.twrap.subsequent_indent = " " * (self.cpv_width+1)
else:
_cpv = pp.cpv(key+' ')
if not len(values):
return _cpv
self.twrap.initial_indent = _cpv
self.twrap.subsequent_indent = " " * (len(key)+1)
result.append(self.twrap.fill(values))
return '\n'.join(result)
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