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godot/doc/tools/makedocs.py
Rémi Verschelde c7bc44d5ad Welcome in 2017, dear changelog reader! 
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
2017-01-01 22:03:33 +01:00

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# makedocs.py: Generate documentation for Open Project Wiki
# Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.
# Contributor: Jorge Araya Navarro <elcorreo@deshackra.com>
#
# IMPORTANT NOTICE:
# If you are going to modify anything from this file, please be sure to follow
# the Style Guide for Python Code or often called "PEP8". To do this
# automagically just install autopep8:
#
# $ sudo pip3 install autopep8
#
# and run:
#
# $ autopep8 makedocs.py
#
# Before committing your changes. Also be sure to delete any trailing
# whitespace you may left.
#
# TODO:
# * Refactor code.
# * Adapt this script for generating content in other markup formats like
# reStructuredText, Markdown, DokuWiki, etc.
#
# Also check other TODO entries in this script for more information on what is
# left to do.
import argparse
import gettext
import logging
import re
from itertools import zip_longest
from os import path, listdir
from xml.etree import ElementTree
# add an option to change the verbosity
logging.basicConfig(level=logging.INFO)
def getxmlfloc():
""" Returns the supposed location of the XML file
"""
filepath = path.dirname(path.abspath(__file__))
return path.join(filepath, "class_list.xml")
def langavailable():
""" Return a list of languages available for translation
"""
filepath = path.join(
path.dirname(path.abspath(__file__)), "locales")
files = listdir(filepath)
choices = [x for x in files]
choices.insert(0, "none")
return choices
desc = "Generates documentation from a XML file to different markup languages"
parser = argparse.ArgumentParser(description=desc)
parser.add_argument("--input", dest="xmlfp", default=getxmlfloc(),
help="Input XML file, default: {}".format(getxmlfloc()))
parser.add_argument("--output-dir", dest="outputdir", required=True,
help="Output directory for generated files")
parser.add_argument("--language", choices=langavailable(), default="none",
help=("Choose the language of translation"
" for the output files. Default is English (none). "
"Note: This is NOT for the documentation itself!"))
# TODO: add an option for outputting different markup formats
args = parser.parse_args()
# Let's check if the file and output directory exists
if not path.isfile(args.xmlfp):
logging.critical("File not found: {}".format(args.xmlfp))
exit(1)
elif not path.isdir(args.outputdir):
logging.critical("Path does not exist: {}".format(args.outputdir))
exit(1)
_ = gettext.gettext
if args.language != "none":
lang = gettext.translation(domain="makedocs",
localedir="locales",
languages=[args.language])
lang.install()
_ = lang.gettext
# Strings
C_LINK = _("\"<code>{gclass}</code>(Go to page of class"
" {gclass})\":/class_{lkclass}")
MC_LINK = _("\"<code>{gclass}.{method}</code>(Go "
"to page {gclass}, section {method})\""
":/class_{lkclass}#{lkmethod}")
TM_JUMP = _("\"<code>{method}</code>(Jump to method"
" {method})\":#{lkmethod}")
GTC_LINK = _(" \"{rtype}(Go to page of class {rtype})\":/class_{link} ")
DFN_JUMP = _("\"*{funcname}*(Jump to description for"
" node {funcname})\":#{link} <b>(</b> ")
M_ARG_DEFAULT = C_LINK + " {name}={default}"
M_ARG = C_LINK + " {name}"
OPENPROJ_INH = _("h4. Inherits: ") + C_LINK + "\n\n"
def tb(string):
""" Return a byte representation of a string
"""
return bytes(string, "UTF-8")
def sortkey(c):
""" Symbols are first, letters second
"""
if "_" == c.attrib["name"][0]:
return "A"
else:
return c.attrib["name"]
def toOP(text):
""" Convert commands in text to Open Project commands
"""
# TODO: Make this capture content between [command] ... [/command]
groups = re.finditer((r'\[html (?P<command>/?\w+/?)(\]| |=)?(\]| |=)?(?P<a'
'rg>\w+)?(\]| |=)?(?P<value>"[^"]+")?/?\]'), text)
alignstr = ""
for group in groups:
gd = group.groupdict()
if gd["command"] == "br/":
text = text.replace(group.group(0), "\n\n", 1)
elif gd["command"] == "div":
if gd["value"] == '"center"':
alignstr = ("{display:block; margin-left:auto;"
" margin-right:auto;}")
elif gd["value"] == '"left"':
alignstr = "<"
elif gd["value"] == '"right"':
alignstr = ">"
text = text.replace(group.group(0), "\n\n", 1)
elif gd["command"] == "/div":
alignstr = ""
text = text.replace(group.group(0), "\n\n", 1)
elif gd["command"] == "img":
text = text.replace(group.group(0), "!{align}{src}!".format(
align=alignstr, src=gd["value"].strip('"')), 1)
elif gd["command"] == "b" or gd["command"] == "/b":
text = text.replace(group.group(0), "*", 1)
elif gd["command"] == "i" or gd["command"] == "/i":
text = text.replace(group.group(0), "_", 1)
elif gd["command"] == "u" or gd["command"] == "/u":
text = text.replace(group.group(0), "+", 1)
# Process other non-html commands
groups = re.finditer((r'\[method ((?P<class>[aA0-zZ9_]+)(?:\.))'
r'?(?P<method>[aA0-zZ9_]+)\]'), text)
for group in groups:
gd = group.groupdict()
if gd["class"]:
replacewith = (MC_LINK.format(gclass=gd["class"],
method=gd["method"],
lkclass=gd["class"].lower(),
lkmethod=gd["method"].lower()))
else:
# The method is located in the same wiki page
replacewith = (TM_JUMP.format(method=gd["method"],
lkmethod=gd["method"].lower()))
text = text.replace(group.group(0), replacewith, 1)
# Finally, [Classes] are around brackets, make them direct links
groups = re.finditer(r'\[(?P<class>[az0-AZ0_]+)\]', text)
for group in groups:
gd = group.groupdict()
replacewith = (C_LINK.
format(gclass=gd["class"],
lkclass=gd["class"].lower()))
text = text.replace(group.group(0), replacewith, 1)
return text + "\n\n"
def mkfn(node, is_signal=False):
""" Return a string containing a unsorted item for a function
"""
finalstr = ""
name = node.attrib["name"]
rtype = node.find("return")
if rtype:
rtype = rtype.attrib["type"]
else:
rtype = "void"
# write the return type and the function name first
finalstr += "* "
# return type
if not is_signal:
if rtype != "void":
finalstr += GTC_LINK.format(
rtype=rtype,
link=rtype.lower())
else:
finalstr += " void "
# function name
if not is_signal:
finalstr += DFN_JUMP.format(
funcname=name,
link=name.lower())
else:
# Signals have no description
finalstr += "*{funcname}* <b>(</b>".format(funcname=name)
# loop for the arguments of the function, if any
args = []
for arg in sorted(
node.iter(tag="argument"),
key=lambda a: int(a.attrib["index"])):
ntype = arg.attrib["type"]
nname = arg.attrib["name"]
if "default" in arg.attrib:
args.insert(-1, M_ARG_DEFAULT.format(
gclass=ntype,
lkclass=ntype.lower(),
name=nname,
default=arg.attrib["default"]))
else:
# No default value present
args.insert(-1, M_ARG.format(gclass=ntype,
lkclass=ntype.lower(), name=nname))
# join the arguments together
finalstr += ", ".join(args)
# and, close the function with a )
finalstr += " <b>)</b>"
# write the qualifier, if any
if "qualifiers" in node.attrib:
qualifier = node.attrib["qualifiers"]
finalstr += " " + qualifier
finalstr += "\n"
return finalstr
# Let's begin
tree = ElementTree.parse(args.xmlfp)
root = tree.getroot()
# Check version attribute exists in <doc>
if "version" not in root.attrib:
logging.critical(_("<doc>'s version attribute missing"))
exit(1)
version = root.attrib["version"]
classes = sorted(root, key=sortkey)
# first column is always longer, second column of classes should be shorter
zclasses = zip_longest(classes[:int(len(classes) / 2 + 1)],
classes[int(len(classes) / 2 + 1):],
fillvalue="")
# We write the class_list file and also each class file at once
with open(path.join(args.outputdir, "class_list.txt"), "wb") as fcl:
# Write header of table
fcl.write(tb("|^.\n"))
fcl.write(tb(_("|_. Index symbol |_. Class name "
"|_. Index symbol |_. Class name |\n")))
fcl.write(tb("|-.\n"))
indexletterl = ""
indexletterr = ""
for gdclassl, gdclassr in zclasses:
# write a row #
# write the index symbol column, left
if indexletterl != gdclassl.attrib["name"][0]:
indexletterl = gdclassl.attrib["name"][0]
fcl.write(tb("| *{}* |".format(indexletterl.upper())))
else:
# empty cell
fcl.write(tb("| |"))
# write the class name column, left
fcl.write(tb(C_LINK.format(
gclass=gdclassl.attrib["name"],
lkclass=gdclassl.attrib["name"].lower())))
# write the index symbol column, right
if isinstance(gdclassr, ElementTree.Element):
if indexletterr != gdclassr.attrib["name"][0]:
indexletterr = gdclassr.attrib["name"][0]
fcl.write(tb("| *{}* |".format(indexletterr.upper())))
else:
# empty cell
fcl.write(tb("| |"))
# We are dealing with an empty string
else:
# two empty cell
fcl.write(tb("| | |\n"))
# We won't get the name of the class since there is no ElementTree
# object for the right side of the tuple, so we iterate the next
# tuple instead
continue
# write the class name column (if any), right
fcl.write(tb(C_LINK.format(
gclass=gdclassl.attrib["name"],
lkclass=gdclassl.attrib["name"].lower()) + "|\n"))
# row written #
# now, let's write each class page for each class
for gdclass in [gdclassl, gdclassr]:
if not isinstance(gdclass, ElementTree.Element):
continue
classname = gdclass.attrib["name"]
with open(path.join(args.outputdir, "{}.txt".format(
classname.lower())), "wb") as clsf:
# First level header with the name of the class
clsf.write(tb("h1. {}\n\n".format(classname)))
# lay the attributes
if "inherits" in gdclass.attrib:
inh = gdclass.attrib["inherits"].strip()
clsf.write(tb(OPENPROJ_INH.format(gclass=inh,
lkclass=inh.lower())))
if "category" in gdclass.attrib:
clsf.write(tb(_("h4. Category: {}\n\n").
format(gdclass.attrib["category"].strip())))
# lay child nodes
briefd = gdclass.find("brief_description")
if briefd.text.strip():
clsf.write(tb(_("h2. Brief Description\n\n")))
clsf.write(tb(toOP(briefd.text.strip()) +
_("\"read more\":#more\n\n")))
# Write the list of member functions of this class
methods = gdclass.find("methods")
if methods and len(methods) > 0:
clsf.write(tb(_("\nh3. Member Functions\n\n")))
for method in methods.iter(tag='method'):
clsf.write(tb(mkfn(method)))
signals = gdclass.find("signals")
if signals and len(signals) > 0:
clsf.write(tb(_("\nh3. Signals\n\n")))
for signal in signals.iter(tag='signal'):
clsf.write(tb(mkfn(signal, True)))
# TODO: <members> tag is necessary to process? it does not
# exists in class_list.xml file.
consts = gdclass.find("constants")
if consts and len(consts) > 0:
clsf.write(tb(_("\nh3. Numeric Constants\n\n")))
for const in sorted(consts, key=lambda k:
k.attrib["name"]):
if const.text.strip():
clsf.write(tb("* *{name}* = *{value}* - {desc}\n".
format(
name=const.attrib["name"],
value=const.attrib["value"],
desc=const.text.strip())))
else:
# Constant have no description
clsf.write(tb("* *{name}* = *{value}*\n".
format(
name=const.attrib["name"],
value=const.attrib["value"])))
descrip = gdclass.find("description")
clsf.write(tb(_("\nh3(#more). Description\n\n")))
if descrip.text:
clsf.write(tb(descrip.text.strip() + "\n"))
else:
clsf.write(tb(_("_Nothing here, yet..._\n")))
# and finally, the description for each method
if methods and len(methods) > 0:
clsf.write(tb(_("\nh3. Member Function Description\n\n")))
for method in methods.iter(tag='method'):
clsf.write(tb("h4(#{n}). {name}\n\n".format(
n=method.attrib["name"].lower(),
name=method.attrib["name"])))
clsf.write(tb(mkfn(method) + "\n"))
clsf.write(tb(toOP(method.find(
"description").text.strip())))
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