298 lines
9 KiB
Python
298 lines
9 KiB
Python
#!/usr/bin/python
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# manpage_generator
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# Converts top level docs.json format command info to
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# nroff manpage format. Done in python for easy json parsing.
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#
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# Usage: argv[1] = path to docs.json; argv[2] = output path
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import sys
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import os
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import json
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import datetime
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SECTION_SEPARATOR = "\n.P \n"
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MANPAGE_EXTENSION = ".1"
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# For now this is a magic number
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# See https://www.debian.org/doc/manuals/maint-guide/dother.en.html#manpage
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SECTION_NUMBER = 1
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def generate_man_pages(doc_path, output_dir):
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with open(doc_path) as doc_file:
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doc_json = None
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try:
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doc_json = json.load(doc_file)
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except:
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raise Exception("Failed to load json file. Check formatting.")
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tools = doc_json.get("tools", None)
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if tools is None:
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raise Exception("No tool sections in doc.json")
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for tool_name in tools:
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tool_data = tools[tool_name]
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man_page_content = generate_man_page(tool_name, tool_data)
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man_page_path = get_output_path(tool_name, output_dir)
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write_man_page(man_page_path, man_page_content)
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def get_output_path(toolname, output_dir):
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out_filename = toolname + MANPAGE_EXTENSION
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return os.path.join(output_dir, out_filename)
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def write_man_page(path, content):
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with open(path, 'w') as man_file:
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man_file.write(content)
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#Build Fails without a final newline
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man_file.write('\n')
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def generate_man_page(tool_name, tool_data):
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sections = [
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generate_header_section(tool_name, tool_data),
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generate_name_section(tool_name, tool_data),
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generate_synopsis_section(tool_name, tool_data),
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generate_description_section(tool_name, tool_data),
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generate_options_section(tool_name, tool_data),
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generate_author_section(tool_name, tool_data),
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generate_copyright_section(tool_name, tool_data)
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]
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return SECTION_SEPARATOR.join(sections)
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def generate_header_section(tool_name, tool_data):#
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roff_text_builder = []
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header_format = ".TH {program_name} {section_number} {center_footer} {left_footer} {center_header}"
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today = datetime.date.today()
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today_string = today.strftime("%B %d, %Y")
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format_args = {
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"program_name" : tool_name,
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"section_number" : SECTION_NUMBER,
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"center_footer" : "", # Omitted
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"left_footer" : "", # Omitted
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"center_header" : "" # Omitted
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}
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roff_text_builder.append(header_format.format(**format_args))
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return SECTION_SEPARATOR.join(roff_text_builder)
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def generate_name_section(tool_name, tool_data):#
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roff_text_builder = []
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roff_text_builder.append(".SH NAME")
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tool_short_description = tool_data.get("short_description", "")
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name_format = ".B {program_name} - {short_description}"
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name_format_args = {
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"program_name": tool_name,
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"short_description" : tool_short_description
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}
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roff_text_builder.append(name_format.format(**name_format_args))
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return SECTION_SEPARATOR.join(roff_text_builder)
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def generate_synopsis_section(tool_name, tool_data):#
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roff_text_builder = []
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roff_text_builder.append(".SH SYNOPSIS")
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synopsis_format = '.B {program_name} {command_name} \n.RI {options} " "\n.I "{argument_list_name}"'
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tool_commands = tool_data.get("commands", [])
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for command_name in tool_commands:
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command_data = tool_commands[command_name]
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# Default options to empty list so the loop doesn't blow up
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options = command_data.get("options", [])
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argument_list = command_data.get("argumentlist", None)
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# Construct Option Strings
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option_string_list = []
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argument_list_name = ""
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for option_name in options:
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option_data = options[option_name]
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specifier_short = option_data.get("short", None)
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specifier_long = option_data.get("long", None)
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parameter = option_data.get("parameter", None)
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option_string = _option_string_helper(specifier_short, specifier_long, parameter)
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option_string_list.append(option_string)
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# Populate Argument List Name
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if argument_list:
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argument_list_name = argument_list.get("name", "")
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cmd_format_args = {
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'program_name' : tool_name,
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'command_name' : command_name,
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'options' : '" "'.join(option_string_list),
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'argument_list_name' : argument_list_name
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}
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cmd_string = synopsis_format.format(**cmd_format_args)
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roff_text_builder.append(cmd_string)
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return SECTION_SEPARATOR.join(roff_text_builder)
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def generate_description_section(tool_name, tool_data):#
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roff_text_builder = []
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roff_text_builder.append(".SH DESCRIPTION")
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# Tool Description
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long_description = tool_data.get("long_description", "")
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roff_text_builder.append(".PP {0}".format(long_description))
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# Command Descriptions
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cmd_description_format = ".B {program_name} {command_name}\n{command_description}"
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tool_commands = tool_data.get("commands", [])
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for command_name in tool_commands:
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command_data = tool_commands[command_name]
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command_description = command_data.get("description", "")
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format_args = {
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"program_name" : tool_name,
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"command_name" : command_name,
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"command_description" : command_description
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}
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cmd_string = cmd_description_format.format(**format_args)
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roff_text_builder.append(cmd_string)
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return SECTION_SEPARATOR.join(roff_text_builder)
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def generate_options_section(tool_name, tool_data):#
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roff_text_builder = []
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roff_text_builder.append(".SH OPTIONS")
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options_format = '.TP\n.B {option_specifiers}\n{option_description}'
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tool_commands = tool_data.get("commands", [])
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for command_name in tool_commands:
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command_data = tool_commands[command_name]
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# Default to empty list so the loop doesn't blow up
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options = command_data.get("options", [])
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for option_name in options:
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option_data = options[option_name]
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specifier_short = option_data.get("short", None)
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specifier_long = option_data.get("long", None)
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parameter = option_data.get("parameter", None)
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description = option_data.get("description", "")
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option_specifiers_string = _option_string_helper(specifier_short,
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specifier_long,
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parameter,
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include_brackets = False,
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delimiter=' ", " ')
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format_args = {
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"option_specifiers": option_specifiers_string,
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"option_description" : description
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}
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roff_text_builder.append(options_format.format(**format_args))
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return SECTION_SEPARATOR.join(roff_text_builder)
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def generate_author_section(tool_name, tool_data):#
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roff_text_builder = []
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roff_text_builder.append(".SH AUTHOR")
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author_format = '.B "{author_name}" " " \n.RI ( "{author_email}" )'
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author_name = tool_data.get("author", "")
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author_email = tool_data.get("author_email", "")
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format_args = {
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"author_name" : author_name,
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"author_email" : author_email
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}
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roff_text_builder.append(author_format.format(**format_args))
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return SECTION_SEPARATOR.join(roff_text_builder)
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def generate_copyright_section(tool_name, tool_data):#
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roff_text_builder = []
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roff_text_builder.append(".SH COPYRIGHT")
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copyright_data = tool_data.get("copyright")
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roff_text_builder.append('.B "{0}"'.format(copyright_data))
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return SECTION_SEPARATOR.join(roff_text_builder)
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def _option_string_helper(specifier_short, specifier_long, parameter, include_brackets = True, delimiter = " | "):
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option_string = ""
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if include_brackets:
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option_string = " [ "
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if specifier_short:
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option_string += ' "{0}" '.format(specifier_short)
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if specifier_short and specifier_long:
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option_string += delimiter
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if specifier_long:
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option_string += ' "{0}" '.format(specifier_long)
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if parameter:
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option_string += ' " " '
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option_string += ' "{0}" '.format(parameter)
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if include_brackets:
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option_string += " ] "
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return option_string
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def print_usage():
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print "Usage: argv[1] = path to docs.json; argv[2] = output path"
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print "Example: manpage_generator.py ../docs.json ./dotnet-1.0/debian"
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def parse_args():
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doc_path = sys.argv[1]
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output_dir = sys.argv[2]
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return (doc_path, output_dir)
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def validate_args(doc_path, output_dir):
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if not os.path.isfile(doc_path):
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raise Exception("Docs.json path is not valid.")
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if not os.path.isdir(output_dir):
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raise Exception("Output Directory Path is not valid.")
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def execute_command_line():
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try:
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doc_path, output_dir = parse_args()
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validate_args(doc_path, output_dir)
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generate_man_pages(doc_path, output_dir)
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except Exception as exc:
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print "Error: ", exc
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print_usage()
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if __name__ == "__main__":
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execute_command_line()
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