#
# Copyright 2010-2012 Free Software Foundation, Inc.
#
# This file was generated by gr_modtool, a tool from the GNU Radio framework
# This file is a part of gnuradio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
"""
Updates the *pydoc_h files for a module
Execute using: python update_pydoc.py xml_path outputfilename
The file instructs Pybind11 to transfer the doxygen comments into the
python docstrings.
"""
from __future__ import unicode_literals
import os, sys, time, glob, re, json
from argparse import ArgumentParser
from doxyxml import DoxyIndex, DoxyClass, DoxyFriend, DoxyFunction, DoxyFile
from doxyxml import DoxyOther, base
def py_name(name):
bits = name.split('_')
return '_'.join(bits[1:])
def make_name(name):
bits = name.split('_')
return bits[0] + '_make_' + '_'.join(bits[1:])
class Block(object):
"""
Checks if doxyxml produced objects correspond to a gnuradio block.
"""
@classmethod
def includes(cls, item):
if not isinstance(item, DoxyClass):
return False
# Check for a parsing error.
if item.error():
return False
friendname = make_name(item.name())
is_a_block = item.has_member(friendname, DoxyFriend)
# But now sometimes the make function isn't a friend so check again.
if not is_a_block:
is_a_block = di.has_member(friendname, DoxyFunction)
return is_a_block
class Block2(object):
"""
Checks if doxyxml produced objects correspond to a new style
gnuradio block.
"""
@classmethod
def includes(cls, item):
if not isinstance(item, DoxyClass):
return False
# Check for a parsing error.
if item.error():
return False
is_a_block2 = item.has_member('make', DoxyFunction) and item.has_member('sptr', DoxyOther)
return is_a_block2
def utoascii(text):
"""
Convert unicode text into ascii and escape quotes and backslashes.
"""
if text is None:
return ''
out = text.encode('ascii', 'replace')
# swig will require us to replace blackslash with 4 backslashes
# TODO: evaluate what this should be for pybind11
out = out.replace(b'\\', b'\\\\\\\\')
out = out.replace(b'"', b'\\"').decode('ascii')
return str(out)
def combine_descriptions(obj):
"""
Combines the brief and detailed descriptions of an object together.
"""
description = []
bd = obj.brief_description.strip()
dd = obj.detailed_description.strip()
if bd:
description.append(bd)
if dd:
description.append(dd)
return utoascii('\n\n'.join(description)).strip()
def format_params(parameteritems):
output = ['Args:']
template = ' {0} : {1}'
for pi in parameteritems:
output.append(template.format(pi.name, pi.description))
return '\n'.join(output)
entry_templ = '%feature("docstring") {name} "{docstring}"'
def make_entry(obj, name=None, templ="{description}", description=None, params=[]):
"""
Create a docstring key/value pair, where the key is the object name.
obj - a doxyxml object from which documentation will be extracted.
name - the name of the C object (defaults to obj.name())
templ - an optional template for the docstring containing only one
variable named 'description'.
description - if this optional variable is set then it's value is
used as the description instead of extracting it from obj.
"""
if name is None:
name=obj.name()
if hasattr(obj,'_parse_data') and hasattr(obj._parse_data,'definition'):
name=obj._parse_data.definition.split(' ')[-1]
if "operator " in name:
return ''
if description is None:
description = combine_descriptions(obj)
if params:
description += '\n\n'
description += utoascii(format_params(params))
docstring = templ.format(description=description)
return {name: docstring}
def make_class_entry(klass, description=None, ignored_methods=[], params=None):
"""
Create a class docstring key/value pair.
"""
if params is None:
params = klass.params
output = {}
output.update(make_entry(klass, description=description, params=params))
for func in klass.in_category(DoxyFunction):
if func.name() not in ignored_methods:
name = klass.name() + '::' + func.name()
output.update(make_entry(func, name=name))
return output
def make_block_entry(di, block):
"""
Create class and function docstrings of a gnuradio block
"""
descriptions = []
# Get the documentation associated with the class.
class_desc = combine_descriptions(block)
if class_desc:
descriptions.append(class_desc)
# Get the documentation associated with the make function
make_func = di.get_member(make_name(block.name()), DoxyFunction)
make_func_desc = combine_descriptions(make_func)
if make_func_desc:
descriptions.append(make_func_desc)
# Get the documentation associated with the file
try:
block_file = di.get_member(block.name() + ".h", DoxyFile)
file_desc = combine_descriptions(block_file)
if file_desc:
descriptions.append(file_desc)
except base.Base.NoSuchMember:
# Don't worry if we can't find a matching file.
pass
# And join them all together to make a super duper description.
super_description = "\n\n".join(descriptions)
# Associate the combined description with the class and
# the make function.
output = {}
output.update(make_class_entry(block, description=super_description))
output.update(make_entry(make_func, description=super_description,
params=block.params))
return output
def make_block2_entry(di, block):
"""
Create class and function docstrings of a new style gnuradio block
"""
# For new style blocks all the relevant documentation should be
# associated with the 'make' method.
class_description = combine_descriptions(block)
make_func = block.get_member('make', DoxyFunction)
make_description = combine_descriptions(make_func)
description = class_description + "\n\nConstructor Specific Documentation:\n\n" + make_description
# Associate the combined description with the class and
# the make function.
output = {}
output.update(make_class_entry(
block, description=description,
ignored_methods=['make'], params=make_func.params))
makename = block.name() + '::make'
output.update(make_entry(
make_func, name=makename, description=description,
params=make_func.params))
return output
def get_docstrings_dict(di, custom_output=None):
output = {}
if custom_output:
output.update(custom_output)
# Create docstrings for the blocks.
blocks = di.in_category(Block)
blocks2 = di.in_category(Block2)
make_funcs = set([])
for block in blocks:
try:
make_func = di.get_member(make_name(block.name()), DoxyFunction)
# Don't want to risk writing to output twice.
if make_func.name() not in make_funcs:
make_funcs.add(make_func.name())
output.update(make_block_entry(di, block))
except block.ParsingError:
sys.stderr.write('Parsing error for block {0}\n'.format(block.name()))
raise
for block in blocks2:
try:
make_func = block.get_member('make', DoxyFunction)
make_func_name = block.name() +'::make'
# Don't want to risk writing to output twice.
if make_func_name not in make_funcs:
make_funcs.add(make_func_name)
output.update(make_block2_entry(di, block))
except block.ParsingError:
sys.stderr.write('Parsing error for block {0}\n'.format(block.name()))
raise
# Create docstrings for functions
# Don't include the make functions since they have already been dealt with.
funcs = [f for f in di.in_category(DoxyFunction)
if f.name() not in make_funcs and not f.name().startswith('std::')]
for f in funcs:
try:
output.update(make_entry(f))
except f.ParsingError:
sys.stderr.write('Parsing error for function {0}\n'.format(f.name()))
# Create docstrings for classes
block_names = [block.name() for block in blocks]
block_names += [block.name() for block in blocks2]
klasses = [k for k in di.in_category(DoxyClass)
if k.name() not in block_names and not k.name().startswith('std::')]
for k in klasses:
try:
output.update(make_class_entry(k))
except k.ParsingError:
sys.stderr.write('Parsing error for class {0}\n'.format(k.name()))
# Docstrings are not created for anything that is not a function or a class.
# If this excludes anything important please add it here.
return output
def sub_docstring_in_pydoc_h(pydoc_files, docstrings_dict, output_dir, filter_str=None):
if filter_str:
docstrings_dict = {k: v for k, v in docstrings_dict.items() if k.startswith(filter_str)}
with open(os.path.join(output_dir,'docstring_status'),'w') as status_file:
for pydoc_file in pydoc_files:
if filter_str:
filter_str2 = "::".join((filter_str,os.path.split(pydoc_file)[-1].split('_pydoc_template.h')[0]))
docstrings_dict2 = {k: v for k, v in docstrings_dict.items() if k.startswith(filter_str2)}
else:
docstrings_dict2 = docstrings_dict
file_in = open(pydoc_file,'r').read()
for key, value in docstrings_dict2.items():
file_in_tmp = file_in
try:
doc_key = key.split("::")
# if 'gr' in doc_key:
# doc_key.remove('gr')
doc_key = '_'.join(doc_key)
regexp = r'(__doc_{} =\sR\"doc\()[^)]*(\)doc\")'.format(doc_key)
regexp = re.compile(regexp, re.MULTILINE)
(file_in, nsubs) = regexp.subn(r'\1'+value+r'\2', file_in, count=1)
if nsubs == 1:
status_file.write("PASS: " + pydoc_file + "\n")
except KeyboardInterrupt:
raise KeyboardInterrupt
except: # be permissive, TODO log, but just leave the docstring blank
status_file.write("FAIL: " + pydoc_file + "\n")
file_in = file_in_tmp
output_pathname = os.path.join(output_dir, os.path.basename(pydoc_file).replace('_template.h','.h'))
# FIXME: Remove this debug print
print('output docstrings to {}'.format(output_pathname))
with open(output_pathname,'w') as file_out:
file_out.write(file_in)
def copy_docstring_templates(pydoc_files, output_dir):
with open(os.path.join(output_dir,'docstring_status'),'w') as status_file:
for pydoc_file in pydoc_files:
file_in = open(pydoc_file,'r').read()
output_pathname = os.path.join(output_dir, os.path.basename(pydoc_file).replace('_template.h','.h'))
# FIXME: Remove this debug print
print('copy docstrings to {}'.format(output_pathname))
with open(output_pathname,'w') as file_out:
file_out.write(file_in)
status_file.write("DONE")
def argParse():
"""Parses commandline args."""
desc='Scrape the doxygen generated xml for docstrings to insert into python bindings'
parser = ArgumentParser(description=desc)
parser.add_argument("function", help="Operation to perform on docstrings", choices=["scrape","sub","copy"])
parser.add_argument("--xml_path")
parser.add_argument("--bindings_dir")
parser.add_argument("--output_dir")
parser.add_argument("--json_path")
parser.add_argument("--filter", default=None)
return parser.parse_args()
if __name__ == "__main__":
# Parse command line options and set up doxyxml.
args = argParse()
if args.function.lower() == 'scrape':
di = DoxyIndex(args.xml_path)
docstrings_dict = get_docstrings_dict(di)
with open(args.json_path, 'w') as fp:
json.dump(docstrings_dict, fp)
elif args.function.lower() == 'sub':
with open(args.json_path, 'r') as fp:
docstrings_dict = json.load(fp)
pydoc_files = glob.glob(os.path.join(args.bindings_dir,'*_pydoc_template.h'))
sub_docstring_in_pydoc_h(pydoc_files, docstrings_dict, args.output_dir, args.filter)
elif args.function.lower() == 'copy':
pydoc_files = glob.glob(os.path.join(args.bindings_dir,'*_pydoc_template.h'))
copy_docstring_templates(pydoc_files, args.output_dir)