718 lines
26 KiB
Python
718 lines
26 KiB
Python
#!/usr/bin/env python
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import argparse
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import os
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import subprocess
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import sys
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import os_doc_tools
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from os_doc_tools.common import check_output # noqa
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def use_help_flag(os_command):
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"""Use --help flag (instead of help keyword)
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Returns true if the command requires a --help flag instead
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of a help keyword.
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"""
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return os_command == "swift" or "-manage" in os_command
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def quote_xml(line):
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"""Convert special characters for XML output."""
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line = line.replace('&', '&').replace('<', '<').replace('>', '>')
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if 'DEPRECATED!' in line:
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line = line.replace('DEPRECATED!', '<emphasis>DEPRECATED!</emphasis>')
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elif 'DEPRECATED' in line:
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line = line.replace('DEPRECATED', '<emphasis>DEPRECATED</emphasis>')
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if 'env[' in line:
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line = line.replace('env[', '<code>env[').replace(']', ']</code>')
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return line
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def generate_heading(os_command, api_name, title, os_file):
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"""Write DocBook file header.
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:param os_command: client command to document
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:param api_name: string description of the API of os_command
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:param os_file: open filehandle for output of DocBook file
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"""
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try:
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version = check_output([os_command, "--version"],
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stderr=subprocess.STDOUT)
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except OSError as e:
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if e.errno == os.errno.ENOENT:
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print("Command %s not found, aborting." % os_command)
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sys.exit(1)
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# Extract version from "swift 0.3"
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version = version.strip().rpartition(' ')[2]
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print("Documenting '%s help (version %s)'" % (os_command, version))
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if use_help_flag(os_command):
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help_str = "<replaceable>COMMAND</replaceable> <option>--help</option>"
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else:
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help_str = "<option>help</option> <replaceable>COMMAND</replaceable>"
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header1 = """<?xml version=\"1.0\" encoding=\"UTF-8\"?>
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<chapter xmlns=\"http://docbook.org/ns/docbook\"
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xmlns:xi=\"http://www.w3.org/2001/XInclude\"
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xmlns:xlink=\"http://www.w3.org/1999/xlink\"
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version=\"5.0\"
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xml:id=\"%(os_command)sclient_commands\">
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<!-- This file is automatically generated, do not edit -->
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<?dbhtml stop-chunking?>
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<title>%(title)s</title>\n"""
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if os_command == "openstack":
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header2 = """
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<para>The <command>%(os_command)s</command> client is a common
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OpenStack command-line interface (CLI).\n"""
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else:
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header2 = """
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<para>The <command>%(os_command)s</command> client is the command-line
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interface (CLI) for the %(api_name)s and its extensions.\n"""
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header3 = """
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This chapter documents <command>%(os_command)s</command> version
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<literal>%(version)s</literal>.
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</para>
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<para>For help on a specific <command>%(os_command)s</command>
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command, enter:
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</para>
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<screen><prompt>$</prompt> <userinput><command>%(os_command)s</command> \
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%(help_str)s</userinput></screen>
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<section xml:id=\"%(os_command)sclient_command_usage\">
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<title>%(os_command)s usage</title>\n"""
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format_dict = {
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"os_command": os_command,
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"api_name": api_name,
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"title": title,
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"version": version,
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"help_str": help_str
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}
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os_file.write(header1 % format_dict)
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os_file.write(header2 % format_dict)
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os_file.write(header3 % format_dict)
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def is_option(string):
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"""Returns True if string specifies an argument."""
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for x in string:
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if not (x.isupper() or x == '_' or x == ','):
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return False
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if string.startswith('DEPRECATED'):
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return False
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return True
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def extract_options(line):
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"""Extract command or option from line."""
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# We have a command or parameter to handle
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# Differentiate:
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# 1. --version
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# 2. --timeout <seconds>
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# 3. --service <service>, --service-id <service>
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# 4. -v, --verbose
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# 5. -p PORT, --port PORT
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# 6. <backup> ID of the backup to restore.
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# 7. --alarm-action <Webhook URL>
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# 8. <NAME or ID> Name or ID of stack to resume.
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split_line = line.split(None, 2)
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if split_line[0].startswith("-"):
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last_was_option = True
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else:
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last_was_option = False
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if (len(split_line) > 1 and
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('<' in split_line[0] or
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'<' in split_line[1] or
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'--' in split_line[1] or
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split_line[1].startswith(("-", '<', '{', '[')) or
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is_option(split_line[1]))):
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words = line.split(None)
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i = 0
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while i < len(words) - 1:
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if (('<' in words[i] and
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'>' not in words[i]) or
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('[' in words[i] and
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']' not in words[i])):
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words[i] += ' ' + words[i + 1]
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del words[i + 1]
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else:
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i += 1
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while len(words) > 1:
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if words[1].startswith('DEPRECATED'):
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break
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if last_was_option:
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if (words[1].startswith(("-", '<', '{', '[')) or
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is_option(words[1])):
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words[0] = words[0] + ' ' + words[1]
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del words[1]
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else:
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break
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else:
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if words[1].startswith("-"):
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words[0] = words[0] + ' ' + words[1]
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del words[1]
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else:
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break
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w0 = words[0]
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del words[0]
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w1 = ''
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if len(words) > 0:
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w1 = words[0]
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del words[0]
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for w in words:
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w1 += " " + w
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if len(w1) == 0:
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split_line = [w0]
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else:
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split_line = [w0, w1]
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else:
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split_line = line.split(None, 1)
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return split_line
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def format_table(title, lines, os_file):
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"""Nicely print section of lines."""
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close_entry = False
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os_file.write(" <variablelist wordsize=\"10\">\n")
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if len(title) > 0:
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os_file.write(" <title>%s</title>\n" % title)
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for line in lines:
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if len(line) == 0 or line[0] != ' ':
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break
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# We have to handle these cases:
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# 1. command Explanation
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# 2. command
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# Explanation on next line
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# 3. command Explanation continued
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# on next line
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# If there are more than 8 spaces, let's treat it as
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# explanation.
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if line.startswith(' '):
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# Explanation
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os_file.write(" %s\n" % quote_xml(line.lstrip(' ')))
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continue
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# Now we have a command or parameter to handle
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split_line = extract_options(line)
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if not close_entry:
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close_entry = True
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else:
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os_file.write(" </para>\n")
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os_file.write(" </listitem>\n")
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os_file.write(" </varlistentry>\n")
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os_file.write(" <varlistentry>\n")
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os_file.write(" <term><command>%s</command></term>\n"
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% quote_xml(split_line[0]))
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os_file.write(" <listitem>\n")
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os_file.write(" <para>\n")
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if len(split_line) > 1:
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os_file.write(" %s\n" % quote_xml(split_line[1]))
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os_file.write(" </para>\n")
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os_file.write(" </listitem>\n")
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os_file.write(" </varlistentry>\n")
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os_file.write(" </variablelist>\n")
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return
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def generate_command(os_command, os_file):
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"""Convert os_command --help to DocBook.
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:param os_command: client command to document
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:param os_file: open filehandle for output of DocBook file
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"""
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help_lines = check_output([os_command, "--help"]).split('\n')
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ignore_next_lines = False
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next_line_screen = True
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next_line_screen = True
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line_index = -1
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in_screen = False
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for line in help_lines:
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line_index += 1
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xline = quote_xml(line)
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if len(line) > 0 and line[0] != ' ':
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# XXX: Might have whitespace before!!
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if '<subcommands>' in line:
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ignore_next_lines = False
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continue
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if 'Positional arguments' in line:
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ignore_next_lines = True
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next_line_screen = True
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os_file.write("</computeroutput></screen>\n")
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in_screen = False
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format_table('Subcommands', help_lines[line_index + 2:],
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os_file)
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continue
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if line.startswith(('Optional arguments:', 'Optional:',
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'Options:', 'optional arguments')):
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if in_screen:
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os_file.write("</computeroutput></screen>\n")
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in_screen = False
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os_file.write(" </section>\n")
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os_file.write(" <section ")
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os_file.write("xml:id=\"%sclient_command_optional\">\n"
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% os_command)
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os_file.write(" <title>%s optional arguments</title>\n"
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% os_command)
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format_table('', help_lines[line_index + 1:],
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os_file)
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next_line_screen = True
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ignore_next_lines = True
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continue
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# sahara
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if line.startswith('Common auth options'):
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if in_screen:
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os_file.write("</computeroutput></screen>\n")
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in_screen = False
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os_file.write(" </section>\n")
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os_file.write(" <section ")
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os_file.write("xml:id=\"%sclient_command_common_auth\">\n"
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% os_command)
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os_file.write(" <title>%s common authentication "
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"arguments</title>\n"
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% os_command)
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format_table('', help_lines[line_index + 1:],
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os_file)
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next_line_screen = True
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ignore_next_lines = True
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continue
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# neutron
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if line.startswith('Commands for API v2.0:'):
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if in_screen:
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os_file.write("</computeroutput></screen>\n")
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in_screen = False
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os_file.write(" </section>\n")
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os_file.write(" <section ")
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os_file.write("xml:id=\"%sclient_command_api_2_0\">\n"
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% os_command)
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os_file.write(" <title>%s API v2.0 commands</title>\n"
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% os_command)
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format_table('', help_lines[line_index + 1:],
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os_file)
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next_line_screen = True
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ignore_next_lines = True
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continue
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# swift
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if line.startswith('Examples:'):
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os_file.write(" </section>\n")
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os_file.write(" <section ")
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os_file.write("xml:id=\"%sclient_command_examples\">\n"
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% os_command)
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os_file.write(" <title>%s examples</title>\n"
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% os_command)
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next_line_screen = True
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ignore_next_lines = False
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continue
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if not line.startswith('usage'):
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continue
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if not ignore_next_lines:
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if next_line_screen:
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os_file.write(" <screen><computeroutput>%s" % xline)
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next_line_screen = False
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in_screen = True
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elif len(line) > 0:
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os_file.write("\n%s" % xline.rstrip())
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if in_screen:
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os_file.write("</computeroutput></screen>\n")
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os_file.write(" </section>\n")
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def generate_subcommand(os_command, os_subcommand, os_file, extra_params,
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suffix, title_suffix):
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"""Convert os_command help os_subcommand to DocBook.
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:param os_command: client command to document
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:param os_subcommand: client subcommand to document
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:param os_file: open filehandle for output of DocBook file
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:param extra_params: Extra parameter to pass to os_command
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:param suffix: Extra suffix to add to xml:id
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:param title_suffix: Extra suffix for title
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"""
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args = [os_command]
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if extra_params:
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args.extend(extra_params)
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if use_help_flag(os_command):
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args.append(os_subcommand)
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args.append("--help")
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else:
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args.append("help")
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args.append(os_subcommand)
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help_lines = check_output(args).split('\n')
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os_subcommandid = os_subcommand.replace(' ', '_')
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os_file.write(" <section xml:id=\"%sclient_subcommand_%s%s\">\n"
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% (os_command, os_subcommandid, suffix))
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os_file.write(" <title>%s %s%s</title>\n"
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% (os_command, os_subcommand, title_suffix))
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if os_command == "swift":
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next_line_screen = False
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os_file.write("\n <screen><computeroutput>Usage: swift %s"
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"</computeroutput></screen>"
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% (os_subcommand))
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os_file.write("\n <para>")
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in_para = True
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else:
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next_line_screen = True
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in_para = False
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if extra_params:
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extra_paramstr = ' '.join(extra_params)
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help_lines[0] = help_lines[0].replace(os_command, "%s %s" %
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(os_command, extra_paramstr))
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line_index = -1
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# Content is:
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# usage...
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#
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# Description
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#
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# Arguments
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skip_lines = False
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for line in help_lines:
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line_index += 1
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if line.startswith('Usage:') and os_command == "swift":
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line = line[len("Usage: "):]
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if line.startswith(('Arguments:', 'Positional arguments:',
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'positional arguments', 'Optional arguments',
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'optional arguments')):
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if in_para:
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in_para = False
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os_file.write("\n </para>")
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if line.startswith(('Positional arguments',
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'positional arguments')):
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format_table('Positional arguments',
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help_lines[line_index + 1:], os_file)
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skip_lines = True
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continue
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elif line.startswith(('Optional arguments:',
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'optional arguments')):
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format_table('Optional arguments',
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help_lines[line_index + 1:], os_file)
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break
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else:
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format_table('Arguments', help_lines[line_index + 1:], os_file)
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break
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if skip_lines:
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continue
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if len(line) == 0:
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if not in_para:
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os_file.write("</computeroutput></screen>")
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os_file.write("\n <para>")
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in_para = True
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continue
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xline = quote_xml(line)
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if next_line_screen:
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os_file.write(" <screen><computeroutput>%s" % xline)
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next_line_screen = False
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else:
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os_file.write("\n%s" % (xline))
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if in_para:
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os_file.write("\n </para>\n")
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os_file.write(" </section>\n")
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def generate_subcommands(os_command, os_file, blacklist, only_subcommands,
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extra_params, suffix, title_suffix):
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"""Convert os_command help subcommands for all subcommands to DocBook.
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:param os_command: client command to document
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:param os_file: open filehandle for output of DocBook file
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:param blacklist: list of elements that will not be documented
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:param only_subcommands: if not empty, list of subcommands to document
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:param extra_params: Extra parameter to pass to os_command.
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:param suffix: Extra suffix to add to xml:id
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:param title_suffix: Extra suffix for title
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"""
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print("Documenting '%s' subcommands..." % os_command)
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blacklist.append("bash-completion")
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blacklist.append("complete")
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blacklist.append("help")
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if not only_subcommands:
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args = [os_command]
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if extra_params:
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args.extend(extra_params)
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args.append("bash-completion")
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all_options = check_output(args).strip().split()
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else:
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all_options = only_subcommands
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subcommands = [o for o in all_options if not
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(o.startswith('-') or o in blacklist)]
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for subcommand in sorted(subcommands):
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generate_subcommand(os_command, subcommand, os_file, extra_params,
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suffix, title_suffix)
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print ("%d subcommands documented." % len(subcommands))
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def generate_end(os_file):
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"""Finish writing file.
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:param os_file: open filehandle for output of DocBook file
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"""
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print("Finished.\n")
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os_file.write("</chapter>\n")
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def get_openstack_subcommands(commands):
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"""Get all subcommands of 'openstack' without using bashcompletion."""
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subcommands = []
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for command in commands:
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output = check_output(["openstack", "help", command])
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for line in output.split("\n"):
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if line.strip().startswith(command):
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subcommands.append(line.strip())
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return subcommands
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def document_single_project(os_command, output_dir):
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"""Create documenation for os_command."""
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print ("Documenting '%s'" % os_command)
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|
|
blacklist = []
|
|
subcommands = []
|
|
if os_command == 'ceilometer':
|
|
api_name = "Telemetry API"
|
|
title = "Telemetry command-line client"
|
|
blacklist = ["alarm-create"]
|
|
elif os_command == 'cinder':
|
|
api_name = "OpenStack Block Storage API"
|
|
title = "Block Storage command-line client"
|
|
elif os_command == 'glance':
|
|
api_name = 'OpenStack Image Service API'
|
|
title = "Image Service command-line client"
|
|
# Does not know about bash-completion yet, need to specify
|
|
# subcommands manually
|
|
subcommands = ["image-create", "image-delete", "image-list",
|
|
"image-show", "image-update", "member-create",
|
|
"member-delete", "member-list"]
|
|
elif os_command == 'heat':
|
|
api_name = "Orchestration API"
|
|
title = "Orchestration command-line client"
|
|
blacklist = ["create", "delete", "describe", "event",
|
|
"gettemplate", "list", "resource",
|
|
"update", "validate"]
|
|
elif os_command == 'ironic':
|
|
api_name = "Bare metal"
|
|
title = "Bare metal command-line client"
|
|
elif os_command == 'keystone':
|
|
api_name = "OpenStack Identity API"
|
|
title = "Identity service command-line client"
|
|
elif os_command == 'neutron':
|
|
api_name = "OpenStack Networking API"
|
|
title = "Networking command-line client"
|
|
elif os_command == 'nova':
|
|
api_name = "OpenStack Compute API"
|
|
title = "Compute command-line client"
|
|
blacklist = ["add-floating-ip", "remove-floating-ip"]
|
|
elif os_command == 'sahara':
|
|
api_name = "Data processing API"
|
|
title = "Data processing command-line client"
|
|
elif os_command == 'swift':
|
|
api_name = "OpenStack Object Storage API"
|
|
title = "Object Storage command-line client"
|
|
# Does not know about bash-completion yet, need to specify
|
|
# subcommands manually
|
|
subcommands = ["delete", "download", "list", "post",
|
|
"stat", "upload"]
|
|
elif os_command == 'trove':
|
|
api_name = "Database API"
|
|
title = "Database Service command-line client"
|
|
blacklist = ["resize-flavor"]
|
|
elif os_command == 'trove-manage':
|
|
api_name = "Database Management Utility"
|
|
title = "Database Service Management command-line client"
|
|
# Does not know about bash-completion yet, need to specify
|
|
# subcommands manually
|
|
subcommands = ["db_sync", "db_upgrade",
|
|
"db_downgrade", "datastore_update",
|
|
"datastore_version_update", "db_recreate"]
|
|
elif os_command == 'openstack':
|
|
api_name = ''
|
|
title = "OpenStack client"
|
|
# Does not know about bash-completion yet, need to specify
|
|
# commands manually and to fetch subcommands automatically
|
|
commands = ["aggregate", "backup", "compute", "console", "container",
|
|
"ec2", "endpoint", "extension", "flavor", "host",
|
|
"hypervisor", "image", "ip", "keypair", "limits", "module",
|
|
"network", "object", "project", "quota", "role",
|
|
"security", "server", "service", "snapshot", "token",
|
|
"user", "volume"]
|
|
subcommands = get_openstack_subcommands(commands)
|
|
else:
|
|
print("'%s' command not yet handled" % os_command)
|
|
sys.exit(-1)
|
|
|
|
out_filename = "ch_cli_" + os_command + "_commands.xml"
|
|
out_file = open(os.path.join(output_dir, out_filename), 'w')
|
|
generate_heading(os_command, api_name, title, out_file)
|
|
generate_command(os_command, out_file)
|
|
|
|
if os_command == 'cinder':
|
|
out_file.write("""
|
|
<section xml:id=\"cinder_cli_v1\">
|
|
<title>Block Storage API v1 commands</title>\n""")
|
|
if os_command == 'glance':
|
|
out_file.write("""
|
|
<section xml:id=\"glance_cli_v1\">
|
|
<title>Image Service API v1 commands</title>\n""")
|
|
|
|
generate_subcommands(os_command, out_file, blacklist,
|
|
subcommands, None, "", "")
|
|
|
|
if os_command == 'cinder':
|
|
out_file.write(" </section>\n")
|
|
out_file.write("""
|
|
<section xml:id=\"cinder_cli_v2\">
|
|
<title>Block Storage API v2 commands</title>
|
|
<para>
|
|
You can select an API version to use by adding the
|
|
<parameter>--os-volume-api-version</parameter> option or by setting
|
|
the corresponding environment variable:\n""")
|
|
out_file.write("<screen><prompt>$</prompt> <userinput>"
|
|
"export OS_VOLUME_API_VERSION=2</userinput></screen>\n"
|
|
"</para>\n")
|
|
|
|
generate_subcommands(os_command, out_file, blacklist,
|
|
subcommands, ["--os-volume-api-version", "2"],
|
|
"_v2", " (v2)")
|
|
out_file.write(" </section>\n")
|
|
if os_command == 'glance':
|
|
out_file.write(" </section>\n")
|
|
subcommands = ['explain', 'image-create', 'image-delete',
|
|
'image-download', 'image-list', 'image-show',
|
|
'image-tag-delete', 'image-tag-update', 'image-update',
|
|
'image-upload', 'location-add', 'location-delete',
|
|
'location-update', 'md-namespace-create',
|
|
'md-namespace-delete', 'md-namespace-import',
|
|
'md-namespace-list', 'md-namespace-objects-delete',
|
|
'md-namespace-properties-delete',
|
|
'md-namespace-resource-type-list', 'md-namespace-show',
|
|
'md-namespace-update', 'md-object-create',
|
|
'md-object-delete', 'md-object-list',
|
|
'md-object-property-show', 'md-object-show',
|
|
'md-object-update', 'md-property-create',
|
|
'md-property-delete', 'md-property-list',
|
|
'md-property-show', 'md-property-update',
|
|
'md-resource-type-associate',
|
|
'md-resource-type-deassociate',
|
|
'md-resource-type-list', 'member-create',
|
|
'member-delete', 'member-list', 'member-update']
|
|
|
|
out_file.write("""
|
|
<section xml:id=\"glance_cli_v2\">
|
|
<title>Image Service API v2 commands</title>
|
|
<para>
|
|
You can select an API version to use by adding the
|
|
<parameter>--os-image-api-version</parameter> option or by setting
|
|
the corresponding environment variable:\n""")
|
|
out_file.write("<screen><prompt>$</prompt> <userinput>"
|
|
"export OS_IMAGE_API_VERSION=2</userinput></screen>\n"
|
|
"</para>\n")
|
|
|
|
generate_subcommands(os_command, out_file, blacklist,
|
|
subcommands, ["--os-image-api-version", "2"],
|
|
"_v2", " (v2)")
|
|
out_file.write(" </section>\n")
|
|
|
|
generate_end(out_file)
|
|
out_file.close()
|
|
|
|
|
|
def main():
|
|
print("OpenStack Auto Documenting of Commands (using "
|
|
"openstack-doc-tools version %s)\n"
|
|
% os_doc_tools.__version__)
|
|
|
|
api_clients = ["ceilometer", "cinder", "glance", "heat", "ironic",
|
|
"keystone", "nova", "neutron", "openstack", "sahara",
|
|
"swift", "trove"]
|
|
manage_clients = ["trove-manage"]
|
|
all_clients = api_clients + manage_clients
|
|
|
|
parser = argparse.ArgumentParser(description="Generate DocBook XML files "
|
|
"to document python-PROJECTclients.")
|
|
parser.add_argument('client', nargs='?',
|
|
help="OpenStack command to document. One of: " +
|
|
", ".join(all_clients) + ".")
|
|
parser.add_argument("--all", help="Document all clients. "
|
|
"Namely " + ", ".join(all_clients) + ".",
|
|
action="store_true")
|
|
parser.add_argument("--all-api", help="Document all API clients. "
|
|
"Namely " + ", ".join(api_clients) + ".",
|
|
action="store_true")
|
|
parser.add_argument("--all-manage", help="Document all manage clients. "
|
|
"Namely " + ", ".join(manage_clients) + ".",
|
|
action="store_true")
|
|
parser.add_argument("--output-dir", default=".",
|
|
help="Directory to write generated files to")
|
|
prog_args = parser.parse_args()
|
|
|
|
if prog_args.all or prog_args.all_api or prog_args.all_manage:
|
|
if prog_args.all or prog_args.all_api:
|
|
for client in api_clients:
|
|
document_single_project(client, prog_args.output_dir)
|
|
if prog_args.all or prog_args.all_manage:
|
|
for client in manage_clients:
|
|
document_single_project(client, prog_args.output_dir)
|
|
elif prog_args.client is None:
|
|
parser.print_help()
|
|
sys.exit(1)
|
|
else:
|
|
document_single_project(prog_args.client, prog_args.output_dir)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|