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generate_json_docs.py
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655 lines (507 loc) · 20.8 KB
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# Copyright 2016 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import argparse
import cgi
import doctest
import inspect
import json
import os
import shutil
import types
import pdoc
from parinx.parser import parse_docstring
from parinx.errors import MethodParsingException
import six
from verify_included_modules import get_public_modules
_DOCSTRING_TEST_PARSER = doctest.DocTestParser()
class Module(object):
def __init__(self, module_id, name, description=None,
examples=None, methods=None, source=None):
self.module_id = module_id
self.name = name
self.description = description
self.examples = examples or []
self.methods = methods
self.source = source
@classmethod
def from_module_name(cls, name, base_path):
module = pdoc.Module(pdoc.import_module(name), allsubmodules=True)
methods = module.functions() + module.variables()
examples = []
if '__init__' in name:
snippets = get_snippet_examples(name.split('.')[1],
os.path.join(base_path, 'docs'))
examples.extend(snippets)
source_path = clean_source_path(module)
return cls(module_id=name,
name=name.split('.')[-1].title(),
description=module.docstring,
examples=examples or [],
methods=[Method.from_pdoc(m) for m in methods],
source=source_path)
def to_dict(self):
return {'id': self.module_id,
'name': self.name,
'description': format_sphinx_doc(self.description),
'examples': self.examples,
'methods': [m.to_dict() for m in self.methods],
'source': self.source}
class Klass(object):
def __init__(self, module_id, name, refname=None, description=None,
examples=None, methods=None, source=None):
self.module_id = module_id
self.name = name
self.refname = refname
self.description = description
self.examples = examples or []
self.methods = methods
self.source = source
@classmethod
def from_class_name(cls, module, kls):
methods = kls.methods()
examples = []
source_path = clean_source_path(module)
return cls(module_id=kls.name,
name=kls.name.split('.')[-1].title(),
refname=module.refname,
description=module.docstring,
examples=examples,
methods=[Method.from_pdoc(m) for m in methods],
source=source_path)
def to_dict(self):
return {'id': '%s.%s' % (self.refname, self.name.lower()),
'name': self.name,
'description': format_sphinx_doc(self.description),
'examples': self.examples,
'methods': [m.to_dict() for m in self.methods],
'source': self.source}
class Method(object):
def __init__(self, method_id, name, is_class, examples=None, params=None,
exceptions=None, returns=None, source=None):
self.method_id = method_id
self.name = name
self.examples = examples or []
self.params = params or []
self.exceptions = exceptions or []
self.returns = returns or []
self.source = source or ''
if is_class:
self.type = 'constructor'
else:
self.type = 'instance'
def add_param(self, param):
self.params.append(param)
def add_example(self, example):
self.examples.append({'code': example})
def add_source_line(self, source_line):
self.source = source_line
def set_returns(self, return_types):
self.returns = [{'types': [return_types]}]
def to_dict(self):
return {'id': self.method_id,
'name': self.name,
'examples': self.examples,
'source': self.source,
'params': [p.to_dict() for p in self.params],
'exceptions': self.exceptions,
'returns': self.returns,
'type': self.type}
@classmethod
def from_pdoc(cls, element):
is_class = isinstance(element, pdoc.Class)
method = cls(element.refname, element.name, is_class)
components = element.refname.split('.')
mod = __import__(components[0])
for comp in components[1:]:
mod = getattr(mod, comp)
# Get method line number.
method.add_source_line(get_source_line_number(mod))
# Get method Examples.
examples = get_examples_from_docstring(element.docstring)
if examples:
method.add_example(examples)
if element.docstring:
if not isinstance(element, pdoc.Class) and element.cls:
klass = element.cls.cls
elif element.cls:
klass = element.cls
else:
klass = None
# Hack for old-style classes
if not str(klass).startswith('<'):
klass = '<class \'%s\'>' % (klass,)
try:
method_info = parse_docstring(element.docstring, klass)
except (MethodParsingException, IndexError):
return method
for name, data in method_info['arguments'].items():
param = Param.from_docstring_section(name, data)
method.add_param(param)
if method_info.get('return'):
if len(method_info['return']['type_name']) > 0:
type_name = method_info.get('return').get('type_name')
type_type = 'instance'
if any(x.isupper() for x in type_name):
type_type = 'constructor'
type_markup = build_link_from_type(type_name, type_type)
method.set_returns(type_markup)
return method
class Param(object):
def __init__(self, name, description=None, param_types=None, optional=None,
nullable=None):
self.name = name
self.description = description
self.param_types = param_types or []
self.optional = optional
self.nullable = nullable
def to_dict(self):
return {'name': self.name,
'description': process_words(self.description),
'types': build_link_from_list_of_types(self.param_types),
'optional': self.optional,
'nullable': self.nullable}
@classmethod
def from_docstring_section(cls, name, data):
param_types = build_link_from_type(data['type_name'])
return cls(name=name, description=data['description'],
param_types=[param_types])
def clean_type_name(type_name):
if type_name.lower().startswith('list of'):
type_name = (type_name.replace('list of', '')
.replace('List of', ''))
type_name = (type_name.replace('`', '').replace('class', '')
.replace(':', ''))
return type_name
def build_link_from_list_of_types(type_names, object_type=None):
processed_types = []
for type_link in type_names:
type_link = clean_type_name(type_link)
processed_types.append(build_link_from_type(type_link, object_type))
return processed_types
def build_link_from_type(type_name, object_type=None):
type_name = clean_type_name(type_name)
if not type_name.startswith('gcloud'):
return type_name
doc_path = type_name
doc_path = '/'.join(doc_path.split('.')).lower()
type_markup = '<a data-custom-type="%s"' % doc_path
if object_type == 'instance':
type_markup += ' data-method="%s"' % type_name
type_markup += '>%s</a>' % (type_name,)
return type_markup
def build_source(module, method):
if isinstance(module, (types.ModuleType, types.ClassType,
types.MethodType, types.FunctionType,
types.TracebackType, types.FrameType,
types.CodeType, types.TypeType)):
_, line = inspect.getsourcelines(module)
source_path = clean_source_path(module)
if line:
source_path = source_path + '#L' + str(line)
method.add_source_line(source_path)
# Sketchy get examples from method docstring.
examples = []
for example in examples:
method.add_example(example)
def build_toc_entry(title, toc_type):
return {
'title': title,
'type': toc_type
}
def build_type(type_id, title, contents):
return {
'id': type_id,
'title': title,
'contents': contents
}
def clean_source_path(module):
if isinstance(module, six.string_types):
source_id = module
elif hasattr(module, 'refname'):
source_id = module.refname
else:
source_id = inspect.getmodule(module).__name__
return '%s.py' % (source_id.replace('.', '/'),)
def get_examples_from_docstring(doc_str):
"""Parse doctest style code examples from a docstring."""
examples = _DOCSTRING_TEST_PARSER.get_examples(doc_str)
example_str = ''
for example in examples:
example_str += '%s' % (example.source,)
example_str += '%s' % (example.want,)
return cgi.escape(example_str)
def get_source_line_number(module):
if isinstance(module, (types.ModuleType, types.ClassType,
types.MethodType, types.FunctionType,
types.TracebackType, types.FrameType,
types.CodeType, types.TypeType)):
_, line = inspect.getsourcelines(module)
source_path = clean_source_path(module)
if line:
source_path = source_path + '#L' + str(line)
return source_path
def process_code_blocks(doc):
blocks = []
index = 0
for line in doc.splitlines(True):
if len(blocks) - 1 < index:
blocks.append('')
if line.strip():
blocks[index] += line
else:
index += 1
formatted_blocks = []
for block in blocks:
is_code = False
if block.splitlines()[0].startswith(' '):
is_code = True
if is_code:
block = {'code': '<pre><code>%s</code></pre>' % (block,)}
formatted_blocks.append(block)
return formatted_blocks
def format_sphinx_doc(doc):
doc = process_code_blocks(doc)
example_lines = ""
for line in doc:
if isinstance(line, dict):
line = line['code']
else:
line = process_words(line)
example_lines = '%s\n%s' % (example_lines, line)
return example_lines
def process_words(line):
processed_line = ''
for word in line.split():
end_sentence = False
if word.endswith('.'):
end_sentence = True
word = word[:-1]
if word.startswith('``') and word.endswith('``'):
word = word.replace('``', '')
word = '<code>%s</code>' % (word,)
if word.startswith('**') and word.endswith('**'):
word = word.replace('**', '')
word = '<b>%s</b>' % (word,)
if word.startswith(':class:'):
word = word.replace(':class:', '').replace('`', '')
word = build_link_from_type(word)
if word.startswith(':mod:'):
word = word.replace(':mod:', '').replace('`', '')
word = build_link_from_type(word)
if word.startswith(':meth:'):
word = word.replace(':meth:', '').replace('`', '')
word = build_link_from_type(word)
if word.startswith(':func:'):
word = word.replace(':func:', '').replace('`', '')
word = build_link_from_type(word)
word = word.replace('`', '')
if word.startswith('https://') or word.startswith('http://'):
word = '<a href="%s">%s</a>' % (word, word)
if end_sentence:
word += '.'
processed_line += ' %s' % (word,)
processed_line = processed_line.replace('::', '')
return processed_line
def write_docs_file(path, contents):
if not os.path.exists(os.path.dirname(path)):
try:
os.makedirs(os.path.dirname(path))
except OSError:
raise
with open(path, 'w') as output_file:
output_file.write(contents)
def generate_doc_types_json(modules, types_file_path):
doc_types_list = [{
'id': 'gcloud',
'contents': 'index.json',
'title': 'gcloud'
}]
for module_name in modules:
if module_name == 'gcloud.__init__':
continue
module_title = module_name.replace('.__init__', '').split('.')
module_contents = (module_name.replace('.', '/')
.replace('__init__', 'index'))
if len(module_name.split('.')) > 2:
module_id = module_name.replace('.', '/')
else:
module_id = (module_name.replace('.', '/'))
module_contents += '.json'
doc_type_object = build_type(module_id.replace('/__init__', ''),
module_title, module_contents)
doc_types_list.append(doc_type_object)
pdoc_module = pdoc.Module(pdoc.import_module(module_name),
allsubmodules=True)
for c in pdoc_module.classes():
generate_doc_types_classes_json(c, doc_types_list)
write_docs_file(types_file_path,
json.dumps(doc_types_list))
def generate_doc_types_classes_json(klass, doc_types_list):
module_contents = (klass.refname.replace('.', '/')
.replace('__init__', 'index'))
module_contents += '.json'
doc_type_object = build_type(klass.refname.lower().replace('.', '/'),
klass.refname.split('.'),
module_contents.lower())
doc_types_list.append(doc_type_object)
def generate_module_docs(modules, docs_path, real_base_path, toc):
for module_name in modules:
module = Module.from_module_name(module_name, real_base_path)
pdoc_module = pdoc.Module(pdoc.import_module(module_name),
allsubmodules=True)
for c in pdoc_module.classes():
generate_class_docs(pdoc_module, c, docs_path, toc)
module_path = (module_name.replace('.', '/')
.replace('__init__', 'index'))
module_docs_path = os.path.join(docs_path, module_path) + '.json'
if pdoc_module.functions():
toc_key = module_name.replace('gcloud.', '').split('.')[0]
toc_entry = build_toc_entry(module.name, module_path)
toc['services'][toc_key].append(toc_entry)
write_docs_file(module_docs_path,
json.dumps(module.to_dict(),
indent=2, sort_keys=True))
def generate_class_docs(module, klass, base_path, toc):
kls = Klass.from_class_name(module, klass)
module_path = (module.refname.replace('.', '/')
.replace('__init__', 'index'))
module_docs_path = os.path.join(base_path, module_path,
klass.name.lower()) + '.json'
toc_key = module.name.replace('gcloud.', '').split('.')[0]
toc_entry = build_toc_entry(klass.name,
os.path.join(module_path,
klass.name.lower()))
toc['services'][toc_key].append(toc_entry)
write_docs_file(module_docs_path,
json.dumps(kls.to_dict(),
indent=2, sort_keys=True))
def get_snippet_examples(module, json_docs_dir):
snippets_file_path = os.path.join(json_docs_dir,
module + '_snippets.py')
usage_rst_path = os.path.join(json_docs_dir, module + '-usage.rst')
snippet_labels = {}
if os.path.isfile(usage_rst_path):
with open(usage_rst_path, 'r') as snippet_labels_file:
usage_rst = snippet_labels_file.read().splitlines()
line_index = 0
include_string = '.. literalinclude:: %s_snippets.py'
for line in usage_rst:
if line.startswith(include_string % module):
label_key = (usage_rst[line_index + 1]
.replace(' :start-after: [START ', '')
.replace(']', ''))
snippet_labels[label_key] = usage_rst[line_index - 2]
line_index += 1
snippets = []
if os.path.isfile(snippets_file_path):
with open(snippets_file_path, 'r') as snippets_file:
snippets_string = snippets_file.read()
label = None
snippet = ''
for line in snippets_string.splitlines(True):
if line.strip().startswith('# [END'):
example = {
'caption': snippet_labels.get(label),
'code': snippet
}
snippets.append(example)
# Reset for next snippet
snippet = ''
label = None
if label:
snippet += line
if line.strip().startswith('# [START'):
label = (line.replace('# [START', '').replace(']', '')
.strip())
snippet = '# %s\n' % label
return snippets
def package_files(generated_json_dir, docs_build_dir, static_json_dir,
tag='master'):
"""Copy app and JSON files into a convenient place to deploy from.
Structure needs to be...
root
- src/
- images/
- app.js
- app.css
- vendor.js
- vendor.css
- json/
- master/
- toc.json
- types.json
- index.json
- overview.html
- home.html
- index.html
- manifest.json
"""
package_path = os.path.join(docs_build_dir, 'json_build')
shutil.rmtree(package_path, ignore_errors=True)
shutil.copytree(static_json_dir, package_path)
shutil.copytree(os.path.join(generated_json_dir, 'gcloud'),
os.path.join(package_path, 'json', tag, 'gcloud'))
shutil.copyfile(os.path.join(generated_json_dir, 'types.json'),
os.path.join(package_path, 'json', tag, 'types.json'))
def main():
parser = argparse.ArgumentParser(description='Document Python modules.')
parser.add_argument('--tag', help='The version of the documentation.',
default='master')
parser.add_argument('--basepath', help='Path to the library.',
default=os.path.join(os.path.dirname(__file__), '..'))
parser.add_argument('--show-toc', help='Prints partial table of contents',
default=False)
args = parser.parse_args()
toc = {
'services': {
'__init__': [],
'gcloud': [],
'bigquery': [],
'bigtable': [],
'client': [],
'connection': [],
'credentials': [],
'datastore': [],
'dns': [],
'environment_vars': [],
'error_reporting': [],
'exceptions': [],
'iterator': [],
'language': [],
'logging': [],
'monitoring': [],
'operation': [],
'pubsub': [],
'resource_manager': [],
'storage': [],
'streaming': [],
'translate': [],
'vision': [],
}
}
BASE_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
BASE_JSON_DOCS_DIR = os.path.join(BASE_DIR, 'docs', 'json')
DOCS_BUILD_DIR = os.path.join(BASE_DIR, 'docs', '_build')
JSON_DOCS_DIR = os.path.join(DOCS_BUILD_DIR, 'json', args.tag)
LIB_DIR = os.path.abspath(args.basepath)
library_dir = os.path.join(LIB_DIR, 'gcloud')
public_mods = get_public_modules(library_dir, base_package='gcloud')
generate_module_docs(public_mods, JSON_DOCS_DIR, BASE_DIR, toc)
generate_doc_types_json(public_mods,
os.path.join(JSON_DOCS_DIR, 'types.json'))
package_files(JSON_DOCS_DIR, DOCS_BUILD_DIR, BASE_JSON_DOCS_DIR)
if args.show_toc:
print json.dumps(toc, indent=4)
if __name__ == '__main__':
main()