638 lines
24 KiB
Python
638 lines
24 KiB
Python
import py
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import os
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import inspect
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from py.__.apigen.layout import LayoutPage
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from py.__.apigen.source import browser as source_browser
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from py.__.apigen.source import html as source_html
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from py.__.apigen.source import color as source_color
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from py.__.apigen.tracer.description import is_private
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from py.__.apigen.rest.genrest import split_of_last_part
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from py.__.apigen.linker import relpath
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from py.__.apigen.html import H
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sorted = py.builtin.sorted
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html = py.xml.html
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raw = py.xml.raw
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def is_navigateable(name):
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return (not is_private(name) and name != '__doc__')
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def show_property(name):
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if not name.startswith('_'):
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return True
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if name.startswith('__') and name.endswith('__'):
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# XXX do we need to skip more manually here?
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if (name not in dir(object) and
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name not in ['__doc__', '__dict__', '__name__', '__module__',
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'__weakref__']):
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return True
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return False
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def deindent(str, linesep='\n'):
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""" de-indent string
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can be used to de-indent Python docstrings, it de-indents the first
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line to the side always, and determines the indentation of the rest
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of the text by taking that of the least indented (filled) line
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"""
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lines = str.strip().split(linesep)
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normalized = []
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deindent = None
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normalized.append(lines[0].strip())
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# replace tabs with spaces, empty lines that contain spaces only, and
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# find out what the smallest indentation is
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for line in lines[1:]:
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line = line.replace('\t', ' ' * 4)
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stripped = line.strip()
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if not stripped:
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normalized.append('')
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else:
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rstripped = line.rstrip()
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indent = len(rstripped) - len(stripped)
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if deindent is None or indent < deindent:
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deindent = indent
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normalized.append(line)
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ret = [normalized[0]]
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for line in normalized[1:]:
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if not line:
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ret.append(line)
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else:
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ret.append(line[deindent:])
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return '%s\n' % (linesep.join(ret),)
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def get_linesep(s, default='\n'):
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""" return the line seperator of a string
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returns 'default' if no seperator can be found
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"""
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for sep in ('\r\n', '\r', '\n'):
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if sep in s:
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return sep
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return default
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def get_param_htmldesc(linker, func):
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""" get the html for the parameters of a function """
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import inspect
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# XXX copy and modify formatargspec to produce html
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return inspect.formatargspec(*inspect.getargspec(func))
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# some helper functionality
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def source_dirs_files(fspath):
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""" returns a tuple (dirs, files) for fspath
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dirs are all the subdirs, files are the files which are interesting
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in building source documentation for a Python code tree (basically all
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normal files excluding .pyc and .pyo ones)
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all files and dirs that have a name starting with . are considered
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hidden
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"""
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dirs = []
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files = []
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for child in fspath.listdir():
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if child.basename.startswith('.'):
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continue
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if child.check(dir=True):
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dirs.append(child)
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elif child.check(file=True):
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if child.ext in ['.pyc', '.pyo']:
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continue
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files.append(child)
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return sorted(dirs), sorted(files)
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def create_namespace_tree(dotted_names):
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""" creates a tree (in dict form) from a set of dotted names
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"""
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ret = {}
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for dn in dotted_names:
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path = dn.split('.')
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for i in xrange(len(path)):
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ns = '.'.join(path[:i])
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itempath = '.'.join(path[:i + 1])
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if ns not in ret:
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ret[ns] = []
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if itempath not in ret[ns]:
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ret[ns].append(itempath)
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return ret
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def wrap_page(project, title, contentel, navel, relbase, basepath,
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pageclass):
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page = pageclass(project, title, nav=navel, encoding='UTF-8',
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relpath=relbase)
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page.set_content(contentel)
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page.setup_scripts_styles(basepath)
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return page
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def enumerate_and_color(codelines, firstlineno, enc):
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snippet = H.SourceCode()
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tokenizer = source_color.Tokenizer(source_color.PythonSchema)
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for i, line in enumerate(codelines):
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try:
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snippet.add_line(i + firstlineno + 1,
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source_html.prepare_line([line], tokenizer, enc))
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except py.error.ENOENT:
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# error reading source code, giving up
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snippet = org
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break
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return snippet
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def get_obj(pkg, dotted_name):
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full_dotted_name = '%s.%s' % (pkg.__name__, dotted_name)
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if dotted_name == '':
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return pkg
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path = dotted_name.split('.')
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ret = pkg
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for item in path:
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marker = []
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ret = getattr(ret, item, marker)
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if ret is marker:
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raise NameError('can not access %s in %s' % (item,
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full_dotted_name))
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return ret
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# the PageBuilder classes take care of producing the docs (using the stuff
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# above)
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class AbstractPageBuilder(object):
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pageclass = LayoutPage
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def write_page(self, title, reltargetpath, tag, nav):
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targetpath = self.base.join(reltargetpath)
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relbase= relpath('%s%s' % (targetpath.dirpath(), targetpath.sep),
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self.base.strpath + '/')
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page = wrap_page(self.project, title, tag, nav, relbase, self.base,
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self.pageclass)
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# we write the page with _temporary_ hrefs here, need to be replaced
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# from the TempLinker later
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content = page.unicode()
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targetpath.ensure()
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targetpath.write(content.encode("utf8"))
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class SourcePageBuilder(AbstractPageBuilder):
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""" builds the html for a source docs page """
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def __init__(self, base, linker, projroot, project, capture=None,
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pageclass=LayoutPage):
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self.base = base
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self.linker = linker
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self.projroot = projroot
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self.project = project
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self.capture = capture
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self.pageclass = pageclass
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def build_navigation(self, fspath):
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nav = H.Navigation(class_='sidebar')
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relpath = fspath.relto(self.projroot)
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path = relpath.split(os.path.sep)
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indent = 0
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# build links to parents
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if relpath != '':
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for i in xrange(len(path)):
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dirpath = os.path.sep.join(path[:i])
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abspath = self.projroot.join(dirpath).strpath
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if i == 0:
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text = self.projroot.basename
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else:
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text = path[i-1]
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nav.append(H.NavigationItem(self.linker, abspath, text,
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indent, False))
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indent += 1
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# build siblings or children and self
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if fspath.check(dir=True):
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# we're a dir, build ourselves and our children
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dirpath = fspath
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nav.append(H.NavigationItem(self.linker, dirpath.strpath,
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dirpath.basename, indent, True))
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indent += 1
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elif fspath.strpath == self.projroot.strpath:
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dirpath = fspath
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else:
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# we're a file, build our parent's children only
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dirpath = fspath.dirpath()
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diritems, fileitems = source_dirs_files(dirpath)
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for dir in diritems:
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nav.append(H.NavigationItem(self.linker, dir.strpath, dir.basename,
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indent, False))
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for file in fileitems:
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selected = (fspath.check(file=True) and
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file.basename == fspath.basename)
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nav.append(H.NavigationItem(self.linker, file.strpath,
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file.basename, indent, selected))
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return nav
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re = py.std.re
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_reg_body = re.compile(r'<body[^>]*>(.*)</body>', re.S)
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def build_python_page(self, fspath):
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# XXX two reads of the same file here... not very bad (disk caches
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# and such) but also not very nice...
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enc = source_html.get_module_encoding(fspath.strpath)
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source = fspath.read()
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sep = get_linesep(source)
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colored = enumerate_and_color(source.split(sep), 0, enc)
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tag = H.SourceDef(colored)
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nav = self.build_navigation(fspath)
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return tag, nav
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def build_dir_page(self, fspath):
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dirs, files = source_dirs_files(fspath)
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dirs = [(p.basename, self.linker.get_lazyhref(str(p))) for p in dirs]
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files = [(p.basename, self.linker.get_lazyhref(str(p))) for p in files]
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tag = H.DirList(dirs, files)
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nav = self.build_navigation(fspath)
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return tag, nav
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def build_nonpython_page(self, fspath):
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try:
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tag = H.NonPythonSource(unicode(fspath.read(), 'utf-8'))
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except UnicodeError:
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tag = H.NonPythonSource('no source available (binary file?)')
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nav = self.build_navigation(fspath)
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return tag, nav
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def build_pages(self, base):
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for fspath in [base] + list(base.visit()):
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if fspath.ext in ['.pyc', '.pyo']:
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continue
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if self.capture:
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self.capture.err.writeorg('.')
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relfspath = fspath.relto(base)
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if relfspath.find('%s.' % (os.path.sep,)) > -1:
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# skip hidden dirs and files
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continue
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elif fspath.check(dir=True):
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if relfspath != '':
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relfspath += os.path.sep
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reloutputpath = 'source%s%sindex.html' % (os.path.sep,
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relfspath)
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else:
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reloutputpath = "source%s%s.html" % (os.path.sep, relfspath)
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reloutputpath = reloutputpath.replace(os.path.sep, '/')
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outputpath = self.base.join(reloutputpath)
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self.linker.set_link(str(fspath), reloutputpath)
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self.build_page(fspath, outputpath, base)
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def build_page(self, fspath, outputpath, base):
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""" build syntax-colored source views """
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if fspath.check(ext='.py'):
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try:
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tag, nav = self.build_python_page(fspath)
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except (KeyboardInterrupt, SystemError):
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raise
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except: # XXX strange stuff going wrong at times... need to fix
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raise
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exc, e, tb = py.std.sys.exc_info()
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print '%s - %s' % (exc, e)
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print
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print ''.join(py.std.traceback.format_tb(tb))
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print '-' * 79
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del tb
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tag, nav = self.build_nonpython_page(fspath)
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elif fspath.check(dir=True):
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tag, nav = self.build_dir_page(fspath)
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else:
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tag, nav = self.build_nonpython_page(fspath)
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title = 'sources for %s' % (fspath.basename,)
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reltargetpath = outputpath.relto(self.base).replace(os.path.sep,
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'/')
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self.write_page(title, reltargetpath, tag, nav)
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class ApiPageBuilder(AbstractPageBuilder):
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""" builds the html for an api docs page """
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def __init__(self, base, linker, dsa, projroot, namespace_tree, project,
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capture=None, pageclass=LayoutPage):
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self.base = base
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self.linker = linker
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self.dsa = dsa
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self.projroot = projroot
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self.projpath = py.path.local(projroot)
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self.namespace_tree = namespace_tree
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self.project = project
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self.capture = capture
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self.pageclass = pageclass
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pkgname = self.dsa.get_module_name().split('/')[-1]
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self.pkg = __import__(pkgname)
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def build_callable_view(self, dotted_name):
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""" build the html for a class method """
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# XXX we may want to have seperate
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func = get_obj(self.pkg, dotted_name)
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docstring = func.__doc__
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if docstring:
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docstring = deindent(docstring)
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localname = func.__name__
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argdesc = get_param_htmldesc(self.linker, func)
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valuedesc = self.build_callable_signature_description(dotted_name)
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sourcefile = inspect.getsourcefile(func)
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callable_source = self.dsa.get_function_source(dotted_name)
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# i assume they're both either available or unavailable(XXX ?)
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is_in_pkg = self.is_in_pkg(sourcefile)
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href = None
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text = 'could not get to source file'
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colored = []
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if sourcefile and callable_source:
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enc = source_html.get_module_encoding(sourcefile)
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tokenizer = source_color.Tokenizer(source_color.PythonSchema)
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firstlineno = func.func_code.co_firstlineno
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sep = get_linesep(callable_source)
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org = callable_source.split(sep)
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colored = [enumerate_and_color(org, firstlineno, enc)]
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text = 'source: %s' % (sourcefile,)
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if is_in_pkg:
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href = self.linker.get_lazyhref(sourcefile)
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csource = H.SourceSnippet(text, href, colored)
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callstack = self.dsa.get_function_callpoints(dotted_name)
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csitems = []
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for cs, _ in callstack:
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csitems.append(self.build_callsite(dotted_name, cs))
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snippet = H.FunctionDescription(localname, argdesc, docstring,
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valuedesc, csource, csitems)
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return snippet
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def build_class_view(self, dotted_name):
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""" build the html for a class """
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cls = get_obj(self.pkg, dotted_name)
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# XXX is this a safe check?
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try:
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sourcefile = inspect.getsourcefile(cls)
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except TypeError:
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sourcefile = None
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docstring = cls.__doc__
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if docstring:
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docstring = deindent(docstring)
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if not hasattr(cls, '__name__'):
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clsname = 'instance of %s' % (cls.__class__.__name__,)
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else:
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clsname = cls.__name__
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bases = self.build_bases(dotted_name)
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properties = self.build_properties(cls)
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methods = self.build_methods(dotted_name)
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if sourcefile is None:
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sourcelink = H.div('no source available')
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else:
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if sourcefile[-1] in ['o', 'c']:
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sourcefile = sourcefile[:-1]
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sourcelink = H.div(H.a('view source',
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href=self.linker.get_lazyhref(sourcefile)))
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snippet = H.ClassDescription(
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# XXX bases HTML
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H.ClassDef(clsname, bases, docstring, sourcelink,
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properties, methods),
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)
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return snippet
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def build_bases(self, dotted_name):
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ret = []
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bases = self.dsa.get_possible_base_classes(dotted_name)
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for base in bases:
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try:
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obj = self.dsa.get_obj(base.name)
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except KeyError:
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ret.append((base.name, None))
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else:
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href = self.linker.get_lazyhref(base.name)
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ret.append((base.name, href))
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return ret
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def build_properties(self, cls):
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properties = []
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for attr in dir(cls):
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val = getattr(cls, attr)
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if show_property(attr) and not callable(val):
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if isinstance(val, property):
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val = '<property object (dynamically calculated value)>'
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properties.append((attr, val))
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properties.sort(key=lambda a: a[0]) # sort on name
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return properties
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def build_methods(self, dotted_name):
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ret = []
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methods = self.dsa.get_class_methods(dotted_name)
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if '__init__' in methods:
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methods.remove('__init__')
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methods.insert(0, '__init__')
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for method in methods:
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ret += self.build_callable_view('%s.%s' % (dotted_name,
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method))
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return ret
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def build_namespace_view(self, namespace_dotted_name, item_dotted_names):
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""" build the html for a namespace (module) """
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obj = get_obj(self.pkg, namespace_dotted_name)
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docstring = obj.__doc__
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snippet = H.NamespaceDescription(
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H.NamespaceDef(namespace_dotted_name),
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H.Docstring(docstring or '*no docstring available*')
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)
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for dotted_name in sorted(item_dotted_names):
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itemname = dotted_name.split('.')[-1]
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if not is_navigateable(itemname):
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continue
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snippet.append(
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H.NamespaceItem(
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H.a(itemname,
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href=self.linker.get_lazyhref(dotted_name)
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)
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)
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)
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return snippet
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def build_class_pages(self, classes_dotted_names):
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passed = []
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for dotted_name in sorted(classes_dotted_names):
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if self.capture:
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self.capture.err.writeorg('.')
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parent_dotted_name, _ = split_of_last_part(dotted_name)
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try:
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sibling_dotted_names = self.namespace_tree[parent_dotted_name]
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except KeyError:
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# no siblings (built-in module or sth)
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sibling_dotted_names = []
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tag = H.Content(self.build_class_view(dotted_name))
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nav = self.build_navigation(dotted_name, False)
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reltargetpath = "api/%s.html" % (dotted_name,)
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self.linker.set_link(dotted_name, reltargetpath)
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title = 'api documentation for %s' % (dotted_name,)
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self.write_page(title, reltargetpath, tag, nav)
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return passed
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def build_function_pages(self, method_dotted_names):
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passed = []
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for dotted_name in sorted(method_dotted_names):
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if self.capture:
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self.capture.err.writeorg('.')
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# XXX should we create a build_function_view instead?
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parent_dotted_name, _ = split_of_last_part(dotted_name)
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sibling_dotted_names = self.namespace_tree[parent_dotted_name]
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tag = H.Content(self.build_callable_view(dotted_name))
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nav = self.build_navigation(dotted_name, False)
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reltargetpath = "api/%s.html" % (dotted_name,)
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self.linker.set_link(dotted_name, reltargetpath)
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title = 'api documentation for %s' % (dotted_name,)
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self.write_page(title, reltargetpath, tag, nav)
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return passed
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def build_namespace_pages(self):
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passed = []
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module_name = self.dsa.get_module_name().split('/')[-1]
|
|
|
|
names = self.namespace_tree.keys()
|
|
names.sort()
|
|
function_names = self.dsa.get_function_names()
|
|
class_names = self.dsa.get_class_names()
|
|
for dotted_name in sorted(names):
|
|
if self.capture:
|
|
self.capture.err.writeorg('.')
|
|
if dotted_name in function_names or dotted_name in class_names:
|
|
continue
|
|
subitem_dotted_names = self.namespace_tree[dotted_name]
|
|
tag = H.Content(self.build_namespace_view(dotted_name,
|
|
subitem_dotted_names))
|
|
nav = self.build_navigation(dotted_name, True)
|
|
if dotted_name == '':
|
|
reltargetpath = 'api/index.html'
|
|
else:
|
|
reltargetpath = 'api/%s.html' % (dotted_name,)
|
|
self.linker.set_link(dotted_name, reltargetpath)
|
|
if dotted_name == '':
|
|
dotted_name = self.dsa.get_module_name().split('/')[-1]
|
|
title = 'index of %s namespace' % (dotted_name,)
|
|
self.write_page(title, reltargetpath, tag, nav)
|
|
return passed
|
|
|
|
def build_navigation(self, dotted_name, build_children=True):
|
|
navitems = []
|
|
|
|
# top namespace, index.html
|
|
module_name = self.dsa.get_module_name().split('/')[-1]
|
|
navitems.append(H.NavigationItem(self.linker, '', module_name, 0,
|
|
True))
|
|
def build_nav_level(dotted_name, depth=1):
|
|
navitems = []
|
|
path = dotted_name.split('.')[:depth]
|
|
siblings = self.namespace_tree.get('.'.join(path[:-1]))
|
|
for dn in sorted(siblings):
|
|
selected = dn == '.'.join(path)
|
|
sibpath = dn.split('.')
|
|
sibname = sibpath[-1]
|
|
if not is_navigateable(sibname):
|
|
continue
|
|
navitems.append(H.NavigationItem(self.linker, dn, sibname,
|
|
depth, selected))
|
|
if selected:
|
|
lastlevel = dn.count('.') == dotted_name.count('.')
|
|
if not lastlevel:
|
|
navitems += build_nav_level(dotted_name, depth+1)
|
|
elif lastlevel and build_children:
|
|
# XXX hack
|
|
navitems += build_nav_level('%s.' % (dotted_name,),
|
|
depth+1)
|
|
|
|
return navitems
|
|
|
|
navitems += build_nav_level(dotted_name)
|
|
return H.Navigation(class_='sidebar', *navitems)
|
|
|
|
def build_callable_signature_description(self, dotted_name):
|
|
args, retval = self.dsa.get_function_signature(dotted_name)
|
|
valuedesc = H.ValueDescList()
|
|
for name, _type in args:
|
|
valuedesc.append(self.build_sig_value_description(name, _type))
|
|
if retval:
|
|
retval = self.process_type_link(retval)
|
|
ret = H.div(H.div('arguments:'), valuedesc, H.div('return value:'),
|
|
retval or 'None')
|
|
return ret
|
|
|
|
def build_sig_value_description(self, name, _type):
|
|
l = self.process_type_link(_type)
|
|
items = []
|
|
next = "%s: " % name
|
|
for item in l:
|
|
if isinstance(item, str):
|
|
next += item
|
|
else:
|
|
if next:
|
|
items.append(next)
|
|
next = ""
|
|
items.append(item)
|
|
if next:
|
|
items.append(next)
|
|
return H.ValueDescItem(*items)
|
|
|
|
def process_type_link(self, _type):
|
|
# now we do simple type dispatching and provide a link in this case
|
|
lst = []
|
|
data = self.dsa.get_type_desc(_type)
|
|
if not data:
|
|
for i in _type.striter():
|
|
if isinstance(i, str):
|
|
lst.append(i)
|
|
else:
|
|
lst += self.process_type_link(i)
|
|
return lst
|
|
name, _desc_type, is_degenerated = data
|
|
if not is_degenerated:
|
|
linktarget = self.linker.get_lazyhref(name)
|
|
lst.append(H.a(str(_type), href=linktarget))
|
|
else:
|
|
raise IOError('do not think we ever get here?')
|
|
# we should provide here some way of linking to sourcegen directly
|
|
lst.append(name)
|
|
return lst
|
|
|
|
def is_in_pkg(self, sourcefile):
|
|
return py.path.local(sourcefile).relto(self.projpath)
|
|
|
|
def build_callsite(self, functionname, call_site):
|
|
tbtag = self.gen_traceback(functionname, reversed(call_site))
|
|
return H.CallStackItem(call_site[0].filename, call_site[0].lineno + 1,
|
|
tbtag)
|
|
|
|
_reg_source = py.std.re.compile(r'([^>]*)<(.*)>')
|
|
def gen_traceback(self, funcname, call_site):
|
|
tbdiv = H.div()
|
|
for frame in call_site:
|
|
lineno = frame.lineno - frame.firstlineno
|
|
source = frame.source
|
|
sourcefile = frame.filename
|
|
|
|
tokenizer = source_color.Tokenizer(source_color.PythonSchema)
|
|
mangled = []
|
|
|
|
source = str(source)
|
|
sep = get_linesep(source)
|
|
for i, sline in enumerate(source.split(sep)):
|
|
if i == lineno:
|
|
l = '-> %s' % (sline,)
|
|
else:
|
|
l = ' %s' % (sline,)
|
|
mangled.append(l)
|
|
if sourcefile:
|
|
linktext = '%s - line %s' % (sourcefile, frame.lineno + 1)
|
|
# skip py.code.Source objects and source files outside of the
|
|
# package
|
|
is_code_source = self._reg_source.match(sourcefile)
|
|
if (not is_code_source and self.is_in_pkg(sourcefile) and
|
|
py.path.local(sourcefile).check()):
|
|
enc = source_html.get_module_encoding(sourcefile)
|
|
href = self.linker.get_lazyhref(sourcefile)
|
|
sourcelink = H.a(linktext, href=href)
|
|
else:
|
|
enc = 'latin-1'
|
|
sourcelink = H.div(linktext)
|
|
colored = [enumerate_and_color(mangled,
|
|
frame.firstlineno, enc)]
|
|
else:
|
|
sourcelink = H.div('source unknown (%s)' % (sourcefile,))
|
|
colored = mangled[:]
|
|
tbdiv.append(sourcelink)
|
|
tbdiv.append(H.div(*colored))
|
|
return tbdiv
|
|
|