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https://salsa.debian.org/freeipa-team/freeipa.git
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c7789199f9
The output problem was a missing label for failed managedby. This also fixes a call to print_entry that was missing the flags argument. Add a flag to specify whether a group can be a member of itself, defaulting to False. ticket 708
1069 lines
35 KiB
Python
1069 lines
35 KiB
Python
# Authors:
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# Jason Gerard DeRose <jderose@redhat.com>
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#
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# Copyright (C) 2008 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Functionality for Command Line Interface.
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"""
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import re
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import textwrap
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import sys
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import getpass
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import code
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import optparse
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import socket
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import fcntl
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import termios
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import struct
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import base64
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import default_encoding_utf8
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import frontend
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import backend
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import plugable
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import util
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from errors import PublicError, CommandError, HelpError, InternalError, NoSuchNamespaceError, ValidationError, NotFound, NotConfiguredError
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from constants import CLI_TAB
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from parameters import Password, Bytes, File
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from text import _
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def to_cli(name):
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"""
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Takes a Python identifier and transforms it into form suitable for the
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Command Line Interface.
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"""
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assert isinstance(name, str)
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return name.replace('_', '-')
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def from_cli(cli_name):
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"""
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Takes a string from the Command Line Interface and transforms it into a
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Python identifier.
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"""
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return str(cli_name).replace('-', '_')
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class textui(backend.Backend):
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"""
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Backend plugin to nicely format output to stdout.
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"""
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def get_tty_width(self):
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"""
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Return the width (in characters) of output tty.
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If stdout is not a tty, this method will return ``None``.
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"""
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# /usr/include/asm/termios.h says that struct winsize has four
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# unsigned shorts, hence the HHHH
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if sys.stdout.isatty():
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try:
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winsize = fcntl.ioctl(sys.stdout, termios.TIOCGWINSZ,
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struct.pack('HHHH', 0, 0, 0, 0))
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return struct.unpack('HHHH', winsize)[1]
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except IOError:
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return None
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def max_col_width(self, rows, col=None):
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"""
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Return the max width (in characters) of a specified column.
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For example:
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>>> ui = textui()
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>>> rows = [
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... ('a', 'package'),
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... ('an', 'egg'),
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... ]
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>>> ui.max_col_width(rows, col=0) # len('an')
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2
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>>> ui.max_col_width(rows, col=1) # len('package')
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7
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>>> ui.max_col_width(['a', 'cherry', 'py']) # len('cherry')
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6
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"""
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if type(rows) not in (list, tuple):
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raise TypeError(
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'rows: need %r or %r; got %r' % (list, tuple, rows)
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)
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if len(rows) == 0:
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return 0
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if col is None:
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return max(len(row) for row in rows)
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return max(len(row[col]) for row in rows)
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def __get_encoding(self, stream):
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assert stream in (sys.stdin, sys.stdout)
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if stream.encoding is None:
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return 'UTF-8'
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return stream.encoding
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def decode(self, value):
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"""
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Decode text from stdin.
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"""
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if type(value) is str:
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encoding = self.__get_encoding(sys.stdin)
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return value.decode(encoding)
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elif type(value) in (list, tuple):
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return tuple(self.decode(v) for v in value)
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return value
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def encode(self, unicode_text):
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"""
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Encode text for output to stdout.
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"""
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assert type(unicode_text) is unicode
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encoding = self.__get_encoding(sys.stdout)
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return unicode_text.encode(encoding)
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def choose_number(self, n, singular, plural=None):
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if n == 1 or plural is None:
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return singular % n
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return plural % n
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def encode_binary(self, value):
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"""
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Convert a binary value to base64. We know a value is binary
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if it is a python str type, otherwise it is a plain string.
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"""
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if type(value) is str:
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return base64.b64encode(value)
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else:
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return value
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def print_plain(self, string):
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"""
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Print exactly like ``print`` statement would.
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"""
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print unicode(string)
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def print_line(self, text, width=None):
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"""
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Force printing on a single line, using ellipsis if needed.
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For example:
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>>> ui = textui()
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>>> ui.print_line('This line can fit!', width=18)
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This line can fit!
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>>> ui.print_line('This line wont quite fit!', width=18)
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This line wont ...
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The above example aside, you normally should not specify the
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``width``. When you don't, it is automatically determined by calling
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`textui.get_tty_width()`.
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"""
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if width is None:
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width = self.get_tty_width()
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if width is not None and width < len(text):
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text = text[:width - 3] + '...'
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print unicode(text)
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def print_paragraph(self, text, width=None):
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"""
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Print a paragraph, automatically word-wrapping to tty width.
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For example:
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>>> text = '''
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... Python is a dynamic object-oriented programming language that can
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... be used for many kinds of software development.
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... '''
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>>> ui = textui()
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>>> ui.print_paragraph(text, width=45)
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Python is a dynamic object-oriented
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programming language that can be used for
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many kinds of software development.
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The above example aside, you normally should not specify the
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``width``. When you don't, it is automatically determined by calling
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`textui.get_tty_width()`.
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The word-wrapping is done using the Python ``textwrap`` module. See:
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http://docs.python.org/library/textwrap.html
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"""
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if width is None:
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width = self.get_tty_width()
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for line in textwrap.wrap(text.strip(), width):
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print line
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def print_indented(self, text, indent=1):
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"""
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Print at specified indentation level.
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For example:
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>>> ui = textui()
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>>> ui.print_indented('One indentation level.')
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One indentation level.
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>>> ui.print_indented('Two indentation levels.', indent=2)
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Two indentation levels.
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>>> ui.print_indented('No indentation.', indent=0)
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No indentation.
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"""
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print (CLI_TAB * indent + text)
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def print_keyval(self, rows, indent=1):
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"""
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Print (key = value) pairs, one pair per line.
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For example:
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>>> items = [
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... ('in_server', True),
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... ('mode', u'production'),
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... ]
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>>> ui = textui()
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>>> ui.print_keyval(items)
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in_server = True
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mode = u'production'
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>>> ui.print_keyval(items, indent=0)
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in_server = True
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mode = u'production'
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Also see `textui.print_indented`.
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"""
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for (key, value) in rows:
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self.print_indented('%s = %r' % (key, self.encode_binary(value)), indent)
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def print_attribute(self, attr, value, format='%s: %s', indent=1, one_value_per_line=True):
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"""
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Print an ldap attribute.
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For example:
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>>> attr = 'dn'
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>>> ui = textui()
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>>> ui.print_attribute(attr, u'dc=example,dc=com')
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dn: dc=example,dc=com
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>>> attr = 'objectClass'
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>>> ui.print_attribute(attr, [u'top', u'someClass'], one_value_per_line=False)
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objectClass: top, someClass
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>>> ui.print_attribute(attr, [u'top', u'someClass'])
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objectClass: top
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objectClass: someClass
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"""
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assert isinstance(attr, basestring)
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if not isinstance(value, (list, tuple)):
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# single-value attribute
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self.print_indented(format % (attr, self.encode_binary(value)), indent)
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else:
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# multi-value attribute
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if one_value_per_line:
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for v in value:
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self.print_indented(format % (attr, self.encode_binary(v)), indent)
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else:
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value = map(lambda v: self.encode_binary(v), value)
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if len(value) > 0 and type(value[0]) in (list, tuple):
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# This is where we print failed add/remove members
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for l in value:
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text = ': '.join(l)
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self.print_indented(format % (attr, self.encode_binary(text)), indent)
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return
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else:
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if len(value) > 0:
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text = ', '.join(value)
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else:
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return
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line_len = self.get_tty_width()
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if line_len and text:
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s_indent = '%s%s' % (
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CLI_TAB * indent, ' ' * (len(attr) + 2)
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)
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line_len -= len(s_indent)
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text = textwrap.wrap(
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text, line_len, break_long_words=False
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)
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else:
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text = [text]
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self.print_indented(format % (attr, text[0]), indent)
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for line in text[1:]:
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self.print_plain('%s%s' % (s_indent, line))
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def print_entry1(self, entry, indent=1, attr_map={}, attr_order=['dn'],
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one_value_per_line=True):
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"""
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Print an ldap entry dict.
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"""
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assert isinstance(entry, dict)
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assert isinstance(attr_map, dict)
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assert isinstance(attr_order, (list, tuple))
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def print_attr(a):
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if attr in attr_map:
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self.print_attribute(
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attr_map[attr], entry[attr], indent=indent, one_value_per_line=one_value_per_line
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)
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else:
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self.print_attribute(
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attr, entry[attr], indent=indent, one_value_per_line=one_value_per_line
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)
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for attr in attr_order:
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if attr in entry:
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print_attr(attr)
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del entry[attr]
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for attr in sorted(entry):
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print_attr(attr)
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def print_entries(self, entries, order=None, labels=None, flags=None, print_all=True, format='%s: %s', indent=1):
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assert isinstance(entries, (list, tuple))
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first = True
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for entry in entries:
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if not first:
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print ''
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first = False
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self.print_entry(entry, order, labels, flags, print_all, format, indent)
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def print_entry(self, entry, order=None, labels=None, flags=None, print_all=True, format='%s: %s', indent=1):
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"""
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"""
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if isinstance(entry, (list, tuple)):
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entry = dict(entry)
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assert isinstance(entry, dict)
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if labels is None:
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labels = dict()
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one_value_per_line = True
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else:
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one_value_per_line = False
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if order is not None:
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for key in order:
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if key not in entry:
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continue
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label = labels.get(key, key)
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flag = flags.get(key, [])
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value = entry[key]
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if 'suppress_empty' in flag and value in [u'', '', [], None]:
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continue
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if isinstance(value, dict):
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if frontend.entry_count(value) == 0:
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continue
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self.print_indented(format % (label, ''), indent)
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self.print_entry(
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value, order, labels, flags, print_all, format,
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indent=indent+1
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)
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else:
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self.print_attribute(
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label, value, format, indent, one_value_per_line
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)
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del entry[key]
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if print_all:
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for key in sorted(entry):
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label = labels.get(key, key)
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self.print_attribute(
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key, entry[key], format, indent, one_value_per_line
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)
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def print_dashed(self, string, above=True, below=True, indent=0, dash='-'):
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"""
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Print a string with a dashed line above and/or below.
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For example:
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>>> ui = textui()
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>>> ui.print_dashed('Dashed above and below.')
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-----------------------
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Dashed above and below.
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-----------------------
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>>> ui.print_dashed('Only dashed below.', above=False)
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Only dashed below.
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------------------
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>>> ui.print_dashed('Only dashed above.', below=False)
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------------------
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Only dashed above.
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"""
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assert isinstance(dash, basestring)
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assert len(dash) == 1
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dashes = dash * len(string)
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if above:
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self.print_indented(dashes, indent)
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self.print_indented(string, indent)
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if below:
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self.print_indented(dashes, indent)
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def print_h1(self, text):
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"""
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Print a primary header at indentation level 0.
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For example:
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>>> ui = textui()
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>>> ui.print_h1('A primary header')
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================
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A primary header
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================
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"""
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self.print_dashed(text, indent=0, dash='=')
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def print_h2(self, text):
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"""
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Print a secondary header at indentation level 1.
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For example:
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>>> ui = textui()
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>>> ui.print_h2('A secondary header')
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------------------
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A secondary header
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------------------
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"""
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self.print_dashed(text, indent=1, dash='-')
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def print_name(self, name):
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"""
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Print a command name.
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The typical use for this is to mark the start of output from a
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command. For example, a hypothetical ``show_status`` command would
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output something like this:
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>>> ui = textui()
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>>> ui.print_name('show_status')
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------------
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show-status:
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------------
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"""
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self.print_dashed('%s:' % to_cli(name))
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def print_header(self, msg, output):
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self.print_dashed(msg % output)
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def print_summary(self, msg):
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"""
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Print a summary at the end of a comand's output.
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For example:
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>>> ui = textui()
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>>> ui.print_summary('Added user "jdoe"')
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-----------------
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Added user "jdoe"
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-----------------
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"""
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self.print_dashed(msg)
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def print_count(self, count, singular, plural=None):
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"""
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Print a summary count.
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The typical use for this is to print the number of items returned
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by a command, especially when this return count can vary. This
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preferably should be used as a summary and should be the final text
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a command outputs.
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For example:
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>>> ui = textui()
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>>> ui.print_count(1, '%d goose', '%d geese')
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-------
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1 goose
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-------
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>>> ui.print_count(['Don', 'Sue'], 'Found %d user', 'Found %d users')
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-------------
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Found 2 users
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-------------
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|
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If ``count`` is not an integer, it must be a list or tuple, and then
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``len(count)`` is used as the count.
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"""
|
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if type(count) is not int:
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assert type(count) in (list, tuple, dict)
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count = len(count)
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self.print_dashed(
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self.choose_number(count, singular, plural)
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)
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def print_error(self, text):
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print ' ** %s **' % unicode(text)
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|
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def prompt(self, label, default=None, get_values=None):
|
|
"""
|
|
Prompt user for input.
|
|
"""
|
|
# TODO: Add tab completion using readline
|
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if default is None:
|
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prompt = u'%s: ' % label
|
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else:
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prompt = u'%s [%s]: ' % (label, default)
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try:
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data = raw_input(self.encode(prompt))
|
|
except EOFError:
|
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return None
|
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return self.decode(data)
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|
|
def prompt_password(self, label):
|
|
"""
|
|
Prompt user for a password or read it in via stdin depending
|
|
on whether there is a tty or not.
|
|
"""
|
|
try:
|
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if sys.stdin.isatty():
|
|
while True:
|
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pw1 = getpass.getpass(u'%s: ' % unicode(label))
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pw2 = getpass.getpass(
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unicode(_('Enter %(label)s again to verify: ') % dict(label=label))
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)
|
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if pw1 == pw2:
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return self.decode(pw1)
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self.print_error( _('Passwords do not match!'))
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else:
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return self.decode(sys.stdin.readline().strip())
|
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except KeyboardInterrupt:
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print ''
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self.print_error(_('Cancelled.'))
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|
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def select_entry(self, entries, format, attrs, display_count=True):
|
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"""
|
|
Display a list of lines in with formatting defined in ``format``.
|
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``attrs`` is a list of attributes in the format.
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|
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Prompt user for a selection and return the value (index of
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``entries`` -1).
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|
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If only one entry is provided then always return 0.
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Return: 0..n for the index of the selected entry
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-1 if all entries should be displayed
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-2 to quit, no entries to be displayed
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"""
|
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if not self.env.interactive or not sys.stdout.isatty():
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return -1
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|
|
counter = len(entries)
|
|
if counter == 0:
|
|
raise NotFound(reason="No matching entries found")
|
|
|
|
i = 1
|
|
for e in entries:
|
|
# There is no guarantee that all attrs are in any given
|
|
# entry
|
|
d = {}
|
|
for a in attrs:
|
|
d[a] = e.get(a, '')
|
|
self.print_line("%d: %s" % (i, format % d))
|
|
i = i + 1
|
|
|
|
if display_count:
|
|
self.print_count(entries, 'Found %d match', 'Found %d matches')
|
|
|
|
while True:
|
|
try:
|
|
resp = self.prompt("Choose one: (1 - %s), a for all, q to quit" % counter)
|
|
except EOFError:
|
|
return -2
|
|
|
|
if resp.lower() == "q":
|
|
return -2
|
|
if resp.lower() == "a":
|
|
return -1
|
|
try:
|
|
selection = int(resp) - 1
|
|
if (selection >= 0 and selection < counter):
|
|
break
|
|
except:
|
|
# fall through to the error msg
|
|
pass
|
|
|
|
self.print_line("Please enter a number between 1 and %s" % counter)
|
|
|
|
self.print_line('')
|
|
return selection
|
|
|
|
class help(frontend.Local):
|
|
"""
|
|
Display help for a command or topic.
|
|
"""
|
|
|
|
takes_args = (Bytes('command?'),)
|
|
|
|
has_output = tuple()
|
|
|
|
_PLUGIN_BASE_MODULE = 'ipalib.plugins'
|
|
|
|
def _get_command_module(self, module):
|
|
"""
|
|
Return last part of ``module`` name, or ``None`` if module is this file.
|
|
|
|
For example:
|
|
"""
|
|
if module == __name__:
|
|
return
|
|
return module.split('.')[-1]
|
|
# get representation in the form of 'base_module.bare_module.command()'
|
|
r = repr(cmd_plugin_proxy)
|
|
# skip base module part and the following dot
|
|
start = r.find(self._PLUGIN_BASE_MODULE)
|
|
if start == -1:
|
|
# command module isn't a plugin module, it's a builtin
|
|
return None
|
|
start += len(self._PLUGIN_BASE_MODULE) + 1
|
|
# parse bare module name
|
|
end = r.find('.', start)
|
|
return r[start:end]
|
|
|
|
def _get_module_topic(self, module_name):
|
|
if not sys.modules[module_name]:
|
|
__import__(module_name)
|
|
module = sys.modules[module_name]
|
|
|
|
dir_list = dir(module)
|
|
if 'topic' in dir_list:
|
|
topic = module.topic
|
|
else:
|
|
topic = (self._get_command_module(module_name), None)
|
|
|
|
return topic
|
|
|
|
def _count_topic_mcl(self, topic_name, mod_name):
|
|
mcl = max((self._topics[topic_name][1], len(mod_name)))
|
|
self._topics[topic_name][1] = mcl
|
|
|
|
def finalize(self):
|
|
# {topic: ["description", mcl, {"subtopic": ["description", mcl, [commands]]}]}
|
|
# {topic: ["description", mcl, [commands]]}
|
|
self._topics = {}
|
|
# [builtin_commands]
|
|
self._builtins = []
|
|
|
|
# build help topics
|
|
for c in self.Command():
|
|
if c.INTERNAL:
|
|
continue
|
|
|
|
topic = self._get_module_topic(c.module)
|
|
topic_name = topic[0]
|
|
|
|
if topic_name:
|
|
if topic[1] is None: # a module without grouping
|
|
if topic_name in self._topics:
|
|
self._topics[topic_name][2].append(c)
|
|
else:
|
|
m = '%s.%s' % (self._PLUGIN_BASE_MODULE, topic_name)
|
|
doc = (sys.modules[m].__doc__ or '').strip().split('\n', 1)[0]
|
|
self._topics[topic_name] = [doc, 0, [c]]
|
|
mcl = max((self._topics[topic_name][1], len(c.name)))
|
|
self._topics[topic_name][1] = mcl
|
|
else: # a module grouped in a topic
|
|
doc = (sys.modules[c.module].__doc__ or '').strip().split('\n', 1)[0]
|
|
mod_name = c.module.rsplit('.',1)[1]
|
|
if topic_name in self._topics:
|
|
if mod_name in self._topics[topic_name][2]:
|
|
self._topics[topic_name][2][mod_name][2].append(c)
|
|
else:
|
|
self._topics[topic_name][2][mod_name] = [doc, 0, [c]]
|
|
self._count_topic_mcl(topic_name, mod_name)
|
|
# count mcl for for the subtopic
|
|
mcl = max((self._topics[topic_name][2][mod_name][1], len(c.name)))
|
|
self._topics[topic_name][2][mod_name][1] = mcl
|
|
else:
|
|
self._topics[topic_name] = [topic[1], 0, {mod_name: [doc, 0, [c]]}]
|
|
self._count_topic_mcl(topic_name, mod_name)
|
|
else:
|
|
self._builtins.append(c)
|
|
|
|
# compute maximum topic length
|
|
self._mtl = max(
|
|
len(s) for s in (self._topics.keys() + [c.name for c in self._builtins])
|
|
)
|
|
|
|
super(help, self).finalize()
|
|
|
|
def run(self, key):
|
|
name = from_cli(key)
|
|
mod_name = '%s.%s' % (self._PLUGIN_BASE_MODULE, name)
|
|
if key is None or name == "topics":
|
|
self.print_topics()
|
|
return
|
|
if name in self._topics:
|
|
self.print_commands(name)
|
|
elif name in self.Command:
|
|
cmd = self.Command[name]
|
|
print 'Purpose: %s' % cmd.doc
|
|
self.Backend.cli.build_parser(cmd).print_help()
|
|
elif mod_name in sys.modules:
|
|
self.print_commands(name)
|
|
elif name == "commands":
|
|
mcl = max(len(s) for s in (self.Command))
|
|
for cname in self.Command:
|
|
cmd = self.Command[cname]
|
|
if cmd.INTERNAL:
|
|
continue
|
|
print '%s %s' % (to_cli(cmd.name).ljust(mcl), cmd.summary)
|
|
else:
|
|
raise HelpError(topic=name)
|
|
|
|
def print_topics(self):
|
|
topics = sorted(self._topics.keys())
|
|
|
|
print 'Usage: ipa [global-options] COMMAND ...'
|
|
print ''
|
|
print 'Built-in commands:'
|
|
for c in self._builtins:
|
|
print 'Help subtopics:'
|
|
print ' %s %s' % (to_cli(c.name).ljust(self._mtl), c.summary)
|
|
print ''
|
|
print 'Help topics:'
|
|
for t in topics:
|
|
topic = self._topics[t]
|
|
print ' %s %s' % (to_cli(t).ljust(self._mtl), topic[0])
|
|
|
|
if False:
|
|
topic_commands = self._topics[t][2]
|
|
mod_list = [self._get_command_module(c.module) for c in topic_commands]
|
|
mod_list = list(set(mod_list))
|
|
|
|
for mod in mod_list:
|
|
m = '%s.%s' % (self._PLUGIN_BASE_MODULE, mod)
|
|
if 'topic' in dir(sys.modules[m]):
|
|
doc = sys.modules[m].topic[1]
|
|
else:
|
|
doc = (sys.modules[m].__doc__ or '').strip().split('\n', 1)[0]
|
|
print ' %s %s' % (to_cli(t).ljust(self._mtl), doc)
|
|
print ''
|
|
print 'Try `ipa --help` for a list of global options.'
|
|
|
|
def print_commands(self, topic):
|
|
if topic in self._topics and type(self._topics[topic][2]) is dict:
|
|
# we want to display topic which has subtopics
|
|
for subtopic in self._topics[topic][2]:
|
|
doc = self._topics[topic][2][subtopic][0]
|
|
mcl = self._topics[topic][1]
|
|
print ' %s %s' % (to_cli(subtopic).ljust(mcl), doc)
|
|
else:
|
|
# we want to display subtopic or a topic which has no subtopics
|
|
if topic in self._topics:
|
|
mcl = self._topics[topic][1]
|
|
commands = self._topics[topic][2]
|
|
else:
|
|
for t in self._topics:
|
|
if type(self._topics[t][2]) is not dict:
|
|
continue
|
|
if topic not in self._topics[t][2]:
|
|
continue
|
|
mcl = self._topics[t][2][topic][1]
|
|
commands = self._topics[t][2][topic][2]
|
|
break
|
|
|
|
m = '%s.%s' % (self._PLUGIN_BASE_MODULE, topic)
|
|
doc = (sys.modules[m].__doc__ or '').strip()
|
|
|
|
print doc
|
|
print ''
|
|
if len(commands) > 1:
|
|
print 'Topic commands:'
|
|
for c in commands:
|
|
print ' %s %s' % (to_cli(c.name).ljust(mcl), c.summary)
|
|
print "\n"
|
|
|
|
|
|
class console(frontend.Command):
|
|
"""Start the IPA interactive Python console."""
|
|
|
|
has_output = tuple()
|
|
|
|
def run(self):
|
|
code.interact(
|
|
'(Custom IPA interactive Python console)',
|
|
local=dict(api=self.api)
|
|
)
|
|
|
|
|
|
class show_api(frontend.Command):
|
|
'Show attributes on dynamic API object'
|
|
|
|
takes_args = ('namespaces*',)
|
|
|
|
def run(self, namespaces):
|
|
if namespaces is None:
|
|
names = tuple(self.api)
|
|
else:
|
|
for name in namespaces:
|
|
if name not in self.api:
|
|
raise NoSuchNamespaceError(name=name)
|
|
names = namespaces
|
|
lines = self.__traverse(names)
|
|
ml = max(len(l[1]) for l in lines)
|
|
self.Backend.textui.print_name('run')
|
|
first = True
|
|
for line in lines:
|
|
if line[0] == 0 and not first:
|
|
print ''
|
|
if first:
|
|
first = False
|
|
print '%s%s %r' % (
|
|
' ' * line[0],
|
|
line[1].ljust(ml),
|
|
line[2],
|
|
)
|
|
if len(lines) == 1:
|
|
s = '1 attribute shown.'
|
|
else:
|
|
s = '%d attributes show.' % len(lines)
|
|
self.Backend.textui.print_dashed(s)
|
|
|
|
def __traverse(self, names):
|
|
lines = []
|
|
for name in names:
|
|
namespace = self.api[name]
|
|
self.__traverse_namespace('%s' % name, namespace, lines)
|
|
return lines
|
|
|
|
def __traverse_namespace(self, name, namespace, lines, tab=0):
|
|
lines.append((tab, name, namespace))
|
|
for member_name in namespace:
|
|
member = namespace[member_name]
|
|
lines.append((tab + 1, member_name, member))
|
|
if not hasattr(member, '__iter__'):
|
|
continue
|
|
for n in member:
|
|
attr = member[n]
|
|
if isinstance(attr, plugable.NameSpace) and len(attr) > 0:
|
|
self.__traverse_namespace(n, attr, lines, tab + 2)
|
|
|
|
|
|
cli_application_commands = (
|
|
help,
|
|
console,
|
|
show_api,
|
|
)
|
|
|
|
|
|
class Collector(object):
|
|
def __init__(self):
|
|
object.__setattr__(self, '_Collector__options', {})
|
|
|
|
def __setattr__(self, name, value):
|
|
if name in self.__options:
|
|
v = self.__options[name]
|
|
if type(v) is tuple:
|
|
value = v + (value,)
|
|
else:
|
|
value = (v, value)
|
|
self.__options[name] = value
|
|
object.__setattr__(self, name, value)
|
|
|
|
def __todict__(self):
|
|
return dict(self.__options)
|
|
|
|
|
|
class cli(backend.Executioner):
|
|
"""
|
|
Backend plugin for executing from command line interface.
|
|
"""
|
|
|
|
def run(self, argv):
|
|
if len(argv) == 0:
|
|
self.Command.help()
|
|
return
|
|
(key, argv) = (argv[0], argv[1:])
|
|
name = from_cli(key)
|
|
if name not in self.Command or self.Command[name].INTERNAL:
|
|
raise CommandError(name=key)
|
|
cmd = self.Command[name]
|
|
if not isinstance(cmd, frontend.Local):
|
|
self.create_context()
|
|
kw = self.parse(cmd, argv)
|
|
if self.env.interactive:
|
|
self.prompt_interactively(cmd, kw)
|
|
self.load_files(cmd, kw)
|
|
try:
|
|
result = self.execute(name, **kw)
|
|
if callable(cmd.output_for_cli):
|
|
for param in cmd.params():
|
|
if param.password and param.name in kw:
|
|
del kw[param.name]
|
|
(args, options) = cmd.params_2_args_options(**kw)
|
|
rv = cmd.output_for_cli(self.api.Backend.textui, result, *args, **options)
|
|
if rv:
|
|
return rv
|
|
else:
|
|
return 0
|
|
finally:
|
|
self.destroy_context()
|
|
|
|
def parse(self, cmd, argv):
|
|
parser = self.build_parser(cmd)
|
|
(collector, args) = parser.parse_args(argv, Collector())
|
|
options = collector.__todict__()
|
|
kw = cmd.args_options_2_params(*args, **options)
|
|
return dict(self.parse_iter(cmd, kw))
|
|
|
|
# FIXME: Probably move decoding to Command, use same method regardless of
|
|
# request source:
|
|
def parse_iter(self, cmd, kw):
|
|
"""
|
|
Decode param values if appropriate.
|
|
"""
|
|
for (key, value) in kw.iteritems():
|
|
param = cmd.params[key]
|
|
if isinstance(param, Bytes):
|
|
yield (key, value)
|
|
else:
|
|
yield (key, self.Backend.textui.decode(value))
|
|
|
|
def build_parser(self, cmd):
|
|
parser = optparse.OptionParser(
|
|
usage=' '.join(self.usage_iter(cmd))
|
|
)
|
|
for option in cmd.options():
|
|
kw = dict(
|
|
dest=option.name,
|
|
help=unicode(option.doc),
|
|
)
|
|
if option.password and self.env.interactive:
|
|
kw['action'] = 'store_true'
|
|
elif option.type is bool and option.autofill:
|
|
if option.default is True:
|
|
kw['action'] = 'store_false'
|
|
else:
|
|
kw['action'] = 'store_true'
|
|
else:
|
|
kw['metavar'] = metavar=option.__class__.__name__.upper()
|
|
if option.cli_short_name:
|
|
o = optparse.make_option('-%s' % option.cli_short_name, '--%s' % to_cli(option.cli_name), **kw)
|
|
else:
|
|
o = optparse.make_option('--%s' % to_cli(option.cli_name), **kw)
|
|
parser.add_option(o)
|
|
return parser
|
|
|
|
def usage_iter(self, cmd):
|
|
yield 'Usage: %%prog [global-options] %s' % to_cli(cmd.name)
|
|
for arg in cmd.args():
|
|
if arg.password:
|
|
continue
|
|
name = to_cli(arg.cli_name).upper()
|
|
if arg.multivalue:
|
|
name = '%s...' % name
|
|
if arg.required:
|
|
yield name
|
|
else:
|
|
yield '[%s]' % name
|
|
|
|
def prompt_interactively(self, cmd, kw):
|
|
"""
|
|
Interactively prompt for missing or invalid values.
|
|
|
|
By default this method will only prompt for *required* Param that
|
|
have a missing or invalid value. However, if
|
|
``self.env.prompt_all`` is ``True``, this method will prompt for any
|
|
params that have a missing values, even if the param is optional.
|
|
"""
|
|
honor_alwaysask = True
|
|
for param in cmd.params():
|
|
if param.alwaysask and param.name in kw:
|
|
honor_alwaysask = False
|
|
break
|
|
for param in cmd.params():
|
|
if (param.required and param.name not in kw) or \
|
|
(param.alwaysask and honor_alwaysask) or self.env.prompt_all:
|
|
if param.password:
|
|
kw[param.name] = self.Backend.textui.prompt_password(
|
|
param.label
|
|
)
|
|
elif param.autofill:
|
|
kw[param.name] = param.get_default(**kw)
|
|
else:
|
|
default = param.get_default(**kw)
|
|
error = None
|
|
while True:
|
|
if error is not None:
|
|
print '>>> %s: %s' % (unicode(param.label), unicode(error))
|
|
raw = self.Backend.textui.prompt(param.label, default)
|
|
try:
|
|
value = param(raw, **kw)
|
|
if value is not None:
|
|
kw[param.name] = value
|
|
break
|
|
except ValidationError, e:
|
|
error = e.error
|
|
elif param.password and kw.get(param.name, False) is True:
|
|
kw[param.name] = self.Backend.textui.prompt_password(
|
|
param.label
|
|
)
|
|
|
|
def load_files(self, cmd, kw):
|
|
"""
|
|
Load files from File parameters.
|
|
|
|
This has to be done after all required parameters have been read
|
|
(i.e. after prompt_interactively has or would have been called)
|
|
AND before they are passed to the command. This is because:
|
|
1) we need to be sure no more files are going to be added
|
|
2) we load files from the machine where the command was executed
|
|
3) the webUI will use a different way of loading files
|
|
"""
|
|
for p in cmd.params():
|
|
if isinstance(p, File):
|
|
if p.name in kw:
|
|
try:
|
|
f = open(kw[p.name], 'r')
|
|
raw = f.read()
|
|
f.close()
|
|
except IOError, e:
|
|
raise ValidationError(
|
|
name=to_cli(p.cli_name),
|
|
error='%s: %s:' % (kw[p.name], e[1])
|
|
)
|
|
elif p.stdin_if_missing:
|
|
try:
|
|
raw = sys.stdin.read()
|
|
except IOError, e:
|
|
raise ValidationError(
|
|
name=to_cli(p.cli_name), error=e[1]
|
|
)
|
|
kw[p.name] = self.Backend.textui.decode(raw)
|
|
|
|
|
|
cli_plugins = (
|
|
cli,
|
|
textui,
|
|
console,
|
|
help,
|
|
)
|
|
|
|
|
|
def run(api):
|
|
error = None
|
|
try:
|
|
(options, argv) = api.bootstrap_with_global_options(context='cli')
|
|
for klass in cli_plugins:
|
|
api.register(klass)
|
|
api.load_plugins()
|
|
api.finalize()
|
|
if not 'config_loaded' in api.env:
|
|
raise NotConfiguredError()
|
|
sys.exit(api.Backend.cli.run(argv))
|
|
except KeyboardInterrupt:
|
|
print ''
|
|
api.log.info('operation aborted')
|
|
except PublicError, e:
|
|
error = e
|
|
except StandardError, e:
|
|
api.log.exception('%s: %s', e.__class__.__name__, str(e))
|
|
error = InternalError()
|
|
if error is not None:
|
|
assert isinstance(error, PublicError)
|
|
api.log.error(error.strerror)
|
|
sys.exit(error.rval)
|