525 lines
20 KiB
Python
525 lines
20 KiB
Python
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""" Generating ReST output (raw, not python)
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out of data that we know about function calls
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"""
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import py
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import sys
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import re
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from py.__.apigen.tracer.docstorage import DocStorageAccessor
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from py.__.rest.rst import * # XXX Maybe we should list it here
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from py.__.apigen.tracer import model
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from py.__.rest.transform import RestTransformer
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def split_of_last_part(name):
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name = name.split(".")
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return ".".join(name[:-1]), name[-1]
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class AbstractLinkWriter(object):
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""" Class implementing writing links to source code.
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There should exist various classes for that, different for Trac,
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different for CVSView, etc.
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"""
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def getlinkobj(self, obj, name):
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return None
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def getlink(self, filename, lineno, funcname):
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raise NotImplementedError("Abstract link writer")
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def getpkgpath(self, filename):
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# XXX: very simple thing
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path = py.path.local(filename).dirpath()
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while 1:
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try:
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path.join('__init__.py').stat()
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path = path.dirpath()
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except py.error.ENOENT:
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return path
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class ViewVC(AbstractLinkWriter):
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""" Link writer for ViewVC version control viewer
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"""
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def __init__(self, basepath):
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# XXX: should try to guess from a working copy of svn
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self.basepath = basepath
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def getlink(self, filename, lineno, funcname):
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path = str(self.getpkgpath(filename))
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assert filename.startswith(path), (
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"%s does not belong to package %s" % (filename, path))
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relname = filename[len(path):]
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if relname.endswith('.pyc'):
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relname = relname[:-1]
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sep = py.std.os.sep
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if sep != '/':
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relname = relname.replace(sep, '/')
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return ('%s:%s' % (filename, lineno),
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self.basepath + relname[1:] + '?view=markup')
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class SourceView(AbstractLinkWriter):
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def __init__(self, baseurl):
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self.baseurl = baseurl
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if self.baseurl.endswith("/"):
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self.baseurl = baseurl[:-1]
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def getlink(self, filename, lineno, funcname):
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if filename.endswith('.pyc'):
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filename = filename[:-1]
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if filename is None:
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return "<UNKNOWN>:%s" % funcname,""
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pkgpath = self.getpkgpath(filename)
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if not filename.startswith(str(pkgpath)):
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# let's leave it
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return "<UNKNOWN>:%s" % funcname,""
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relname = filename[len(str(pkgpath)):]
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if relname.endswith('.pyc'):
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relname = relname[:-1]
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sep = py.std.os.sep
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if sep != '/':
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relname = relname.replace(sep, '/')
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return "%s:%s" % (relname, funcname),\
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"%s%s#%s" % (self.baseurl, relname, funcname)
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def getlinkobj(self, name, obj):
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try:
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filename = sys.modules[obj.__module__].__file__
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return self.getlink(filename, 0, name)
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except AttributeError:
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return None
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class DirectPaste(AbstractLinkWriter):
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""" No-link writer (inliner)
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"""
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def getlink(self, filename, lineno, funcname):
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return ('%s:%s' % (filename, lineno), "")
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class DirectFS(AbstractLinkWriter):
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""" Creates links to the files on the file system (for local docs)
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"""
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def getlink(self, filename, lineno, funcname):
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return ('%s:%s' % (filename, lineno), 'file://%s' % (filename,))
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class PipeWriter(object):
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def __init__(self, output=sys.stdout):
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self.output = output
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def write_section(self, name, rest):
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text = "Contents of file %s.txt:" % (name,)
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self.output.write(text + "\n")
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self.output.write("=" * len(text) + "\n")
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self.output.write("\n")
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self.output.write(rest.text() + "\n")
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def getlink(self, type, targetname, targetfilename):
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return '%s.txt' % (targetfilename,)
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class DirWriter(object):
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def __init__(self, directory=None):
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if directory is None:
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self.directory = py.test.ensuretemp("rstoutput")
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else:
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self.directory = py.path.local(directory)
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def write_section(self, name, rest):
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filename = '%s.txt' % (name,)
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self.directory.ensure(filename).write(rest.text())
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def getlink(self, type, targetname, targetfilename):
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# we assume the result will get converted to HTML...
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return '%s.html' % (targetfilename,)
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class FileWriter(object):
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def __init__(self, fpath):
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self.fpath = fpath
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self.fp = fpath.open('w+')
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self._defined_targets = []
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def write_section(self, name, rest):
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self.fp.write(rest.text())
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self.fp.flush()
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def getlink(self, type, targetname, targetbasename):
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# XXX problem: because of docutils' named anchor generation scheme,
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# a method Foo.__init__ would clash with Foo.init (underscores are
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# removed)
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if targetname in self._defined_targets:
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return None
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self._defined_targets.append(targetname)
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targetname = targetname.lower().replace('.', '-').replace('_', '-')
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while '--' in targetname:
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targetname = targetname.replace('--', '-')
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if targetname.startswith('-'):
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targetname = targetname[1:]
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if targetname.endswith('-'):
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targetname = targetname[:-1]
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return '#%s-%s' % (type, targetname)
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class HTMLDirWriter(object):
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def __init__(self, indexhandler, filehandler, directory=None):
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self.indexhandler = indexhandler
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self.filehandler = filehandler
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if directory is None:
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self.directory = py.test.ensuretemp('dirwriter')
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else:
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self.directory = py.path.local(directory)
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def write_section(self, name, rest):
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if name == 'index':
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handler = self.indexhandler
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else:
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handler = self.filehandler
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h = handler(name)
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t = RestTransformer(rest)
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t.parse(h)
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self.directory.ensure('%s.html' % (name,)).write(h.html)
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def getlink(self, type, targetname, targetfilename):
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return '%s.html' % (targetfilename,)
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class RestGen(object):
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def __init__(self, dsa, linkgen, writer=PipeWriter()):
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#assert isinstance(linkgen, DirectPaste), (
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# "Cannot use different linkgen by now")
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self.dsa = dsa
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self.linkgen = linkgen
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self.writer = writer
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self.tracebacks = {}
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def write(self):
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"""write the data to the writer"""
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modlist = self.get_module_list()
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classlist = self.get_class_list(module='')
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funclist = self.get_function_list()
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modlist.insert(0, ['', classlist, funclist])
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indexrest = self.build_index([t[0] for t in modlist])
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self.writer.write_section('index', Rest(*indexrest))
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self.build_modrest(modlist)
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def build_modrest(self, modlist):
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modrest = self.build_modules(modlist)
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for name, rest, classlist, funclist in modrest:
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mname = name
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if mname == '':
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mname = self.dsa.get_module_name()
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self.writer.write_section('module_%s' % (mname,),
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Rest(*rest))
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for cname, crest, cfunclist in classlist:
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self.writer.write_section('class_%s' % (cname,),
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Rest(*crest))
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for fname, frest, tbdata in cfunclist:
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self.writer.write_section('method_%s' % (fname,),
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Rest(*frest))
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for tbname, tbrest in tbdata:
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self.writer.write_section('traceback_%s' % (tbname,),
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Rest(*tbrest))
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for fname, frest, tbdata in funclist:
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self.writer.write_section('function_%s' % (fname,),
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Rest(*frest))
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for tbname, tbrest in tbdata:
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self.writer.write_section('traceback_%s' % (tbname,),
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Rest(*tbrest))
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def build_classrest(self, classlist):
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classrest = self.build_classes(classlist)
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for cname, rest, cfunclist in classrest:
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self.writer.write_section('class_%s' % (cname,),
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Rest(*rest))
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for fname, rest in cfunclist:
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self.writer.write_section('method_%s' % (fname,),
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Rest(*rest))
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def build_funcrest(self, funclist):
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funcrest = self.build_functions(funclist)
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for fname, rest, tbdata in funcrest:
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self.writer.write_section('function_%s' % (fname,),
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Rest(*rest))
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for tbname, tbrest in tbdata:
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self.writer.write_section('traceback_%s' % (tbname,),
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Rest(*tbrest))
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def build_index(self, modules):
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rest = [Title('index', abovechar='=', belowchar='=')]
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rest.append(Title('exported modules:', belowchar='='))
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for module in modules:
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mtitle = module
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if module == '':
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module = self.dsa.get_module_name()
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mtitle = '%s (top-level)' % (module,)
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linktarget = self.writer.getlink('module', module,
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'module_%s' % (module,))
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rest.append(ListItem(Link(mtitle, linktarget)))
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return rest
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def build_modules(self, modules):
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ret = []
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for module, classes, functions in modules:
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mname = module
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if mname == '':
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mname = self.dsa.get_module_name()
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rest = [Title('module: %s' % (mname,), abovechar='=',
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belowchar='='),
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Title('index:', belowchar='=')]
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if classes:
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rest.append(Title('classes:', belowchar='^'))
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for cls, bases, cfunclist in classes:
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linktarget = self.writer.getlink('class', cls,
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'class_%s' % (cls,))
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rest.append(ListItem(Link(cls, linktarget)))
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classrest = self.build_classes(classes)
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if functions:
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rest.append(Title('functions:', belowchar='^'))
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for func in functions:
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if module:
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func = '%s.%s' % (module, func)
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linktarget = self.writer.getlink('function',
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func,
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'function_%s' % (func,))
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rest.append(ListItem(Link(func, linktarget)))
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funcrest = self.build_functions(functions, module, False)
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ret.append((module, rest, classrest, funcrest))
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return ret
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def build_classes(self, classes):
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ret = []
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for cls, bases, functions in classes:
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rest = [Title('class: %s' % (cls,), belowchar='='),
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LiteralBlock(self.dsa.get_doc(cls))]
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# link to source
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link_to_class = self.linkgen.getlinkobj(cls, self.dsa.get_obj(cls))
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if link_to_class:
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rest.append(Paragraph(Text("source: "), Link(*link_to_class)))
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if bases:
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rest.append(Title('base classes:', belowchar='^')),
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for base in bases:
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rest.append(ListItem(self.make_class_link(base)))
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if functions:
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rest.append(Title('functions:', belowchar='^'))
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for (func, origin) in functions:
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linktarget = self.writer.getlink('method',
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'%s.%s' % (cls, func),
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'method_%s.%s' % (cls,
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func))
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rest.append(ListItem(Link('%s.%s' % (cls, func),
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linktarget)))
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funcrest = self.build_functions(functions, cls, True)
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ret.append((cls, rest, funcrest))
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return ret
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def build_functions(self, functions, parent='', methods=False):
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ret = []
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for function in functions:
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origin = None
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if methods:
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function, origin = function
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if parent:
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function = '%s.%s' % (parent, function)
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rest, tbrest = self.write_function(function, origin=origin,
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ismethod=methods)
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ret.append((function, rest, tbrest))
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return ret
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def get_module_list(self):
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visited = []
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ret = []
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for name in self.dsa.get_class_names():
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if '.' in name:
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module, classname = split_of_last_part(name)
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if module in visited:
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continue
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visited.append(module)
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ret.append((module, self.get_class_list(module),
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self.get_function_list(module)))
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return ret
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def get_class_list(self, module):
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ret = []
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for name in self.dsa.get_class_names():
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classname = name
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if '.' in name:
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classmodule, classname = split_of_last_part(name)
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if classmodule != module:
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continue
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elif module != '':
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continue
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bases = self.dsa.get_possible_base_classes(name)
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ret.append((name, bases, self.get_method_list(name)))
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return ret
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def get_function_list(self, module=''):
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ret = []
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for name in self.dsa.get_function_names():
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funcname = name
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if '.' in name:
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funcpath, funcname = split_of_last_part(name)
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if funcpath != module:
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continue
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elif module != '':
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continue
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ret.append(funcname)
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return ret
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||
|
|
def get_method_list(self, classname):
|
||
|
|
methodnames = self.dsa.get_class_methods(classname)
|
||
|
|
return [(mn, self.dsa.get_method_origin('%s.%s' % (classname, mn)))
|
||
|
|
for mn in methodnames]
|
||
|
|
|
||
|
|
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.writer.getlink(_desc_type, name,
|
||
|
|
'%s_%s' % (_desc_type, name))
|
||
|
|
lst.append(Link(str(_type), linktarget))
|
||
|
|
else:
|
||
|
|
# we should provide here some way of linking to sourcegen directly
|
||
|
|
lst.append(name)
|
||
|
|
return lst
|
||
|
|
|
||
|
|
def write_function(self, functionname, origin=None, ismethod=False,
|
||
|
|
belowchar='-'):
|
||
|
|
# XXX I think the docstring should either be split on \n\n and cleaned
|
||
|
|
# from indentation, or treated as ReST too (although this is obviously
|
||
|
|
# dangerous for non-ReST docstrings)...
|
||
|
|
if ismethod:
|
||
|
|
title = Title('method: %s' % (functionname,), belowchar=belowchar)
|
||
|
|
else:
|
||
|
|
title = Title('function: %s' % (functionname,),
|
||
|
|
belowchar=belowchar)
|
||
|
|
|
||
|
|
lst = [title, LiteralBlock(self.dsa.get_doc(functionname)),
|
||
|
|
LiteralBlock(self.dsa.get_function_definition(functionname))]
|
||
|
|
link_to_function = self.linkgen.getlinkobj(functionname, self.dsa.get_obj(functionname))
|
||
|
|
if link_to_function:
|
||
|
|
lst.insert(1, Paragraph(Text("source: "), Link(*link_to_function)))
|
||
|
|
|
||
|
|
opar = Paragraph(Strong('origin'), ":")
|
||
|
|
if origin:
|
||
|
|
opar.add(self.make_class_link(origin))
|
||
|
|
else:
|
||
|
|
opar.add(Text('<UNKNOWN>'))
|
||
|
|
lst.append(opar)
|
||
|
|
|
||
|
|
lst.append(Paragraph(Strong("where"), ":"))
|
||
|
|
args, retval = self.dsa.get_function_signature(functionname)
|
||
|
|
for name, _type in args + [('return value', retval)]:
|
||
|
|
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(Text(next))
|
||
|
|
next = ""
|
||
|
|
items.append(item)
|
||
|
|
if next:
|
||
|
|
items.append(Text(next))
|
||
|
|
lst.append(ListItem(*items))
|
||
|
|
|
||
|
|
local_changes = self.dsa.get_function_local_changes(functionname)
|
||
|
|
if local_changes:
|
||
|
|
lst.append(Paragraph(Strong('changes in __dict__ after execution'), ":"))
|
||
|
|
for k, changeset in local_changes.iteritems():
|
||
|
|
lst.append(ListItem('%s: %s' % (k, ', '.join(changeset))))
|
||
|
|
|
||
|
|
exceptions = self.dsa.get_function_exceptions(functionname)
|
||
|
|
if exceptions:
|
||
|
|
lst.append(Paragraph(Strong('exceptions that might appear during '
|
||
|
|
'execution'), ":"))
|
||
|
|
for exc in exceptions:
|
||
|
|
lst.append(ListItem(exc))
|
||
|
|
# XXX: right now we leave it alone
|
||
|
|
|
||
|
|
# XXX missing implementation of dsa.get_function_location()
|
||
|
|
#filename, lineno = self.dsa.get_function_location(functionname)
|
||
|
|
#linkname, linktarget = self.linkgen.getlink(filename, lineno)
|
||
|
|
#if linktarget:
|
||
|
|
# lst.append(Paragraph("Function source: ",
|
||
|
|
# Link(linkname, linktarget)))
|
||
|
|
#else:
|
||
|
|
source = self.dsa.get_function_source(functionname)
|
||
|
|
if source:
|
||
|
|
lst.append(Paragraph(Strong('function source'), ":"))
|
||
|
|
lst.append(LiteralBlock(source))
|
||
|
|
|
||
|
|
# call sites..
|
||
|
|
call_sites = self.dsa.get_function_callpoints(functionname)
|
||
|
|
tbrest = []
|
||
|
|
if call_sites:
|
||
|
|
call_site_title = Title("call sites:", belowchar='+')
|
||
|
|
lst.append(call_site_title)
|
||
|
|
|
||
|
|
# we have to think differently here. I would go for:
|
||
|
|
# 1. A quick'n'dirty statement where call has appeared first
|
||
|
|
# (topmost)
|
||
|
|
# 2. Link to short traceback
|
||
|
|
# 3. Link to long traceback
|
||
|
|
for call_site, _ in call_sites:
|
||
|
|
fdata, tbdata = self.call_site_link(functionname, call_site)
|
||
|
|
lst += fdata
|
||
|
|
tbrest.append(tbdata)
|
||
|
|
|
||
|
|
return lst, tbrest
|
||
|
|
|
||
|
|
def call_site_link(self, functionname, call_site):
|
||
|
|
tbid, tbrest = self.gen_traceback(functionname, call_site)
|
||
|
|
tbname = '%s.%s' % (functionname, tbid)
|
||
|
|
linktarget = self.writer.getlink('traceback',
|
||
|
|
tbname,
|
||
|
|
'traceback_%s' % (tbname,))
|
||
|
|
frest = [Paragraph("called in %s" % call_site[0].filename),
|
||
|
|
Paragraph(Link("traceback %s" % (tbname,),
|
||
|
|
linktarget))]
|
||
|
|
return frest, (tbname, tbrest)
|
||
|
|
|
||
|
|
def gen_traceback(self, funcname, call_site):
|
||
|
|
tbid = len(self.tracebacks.setdefault(funcname, []))
|
||
|
|
self.tracebacks[funcname].append(call_site)
|
||
|
|
tbrest = [Title('traceback for %s' % (funcname,))]
|
||
|
|
for line in call_site:
|
||
|
|
lineno = line.lineno - line.firstlineno
|
||
|
|
linkname, linktarget = self.linkgen.getlink(line.filename,
|
||
|
|
line.lineno + 1,
|
||
|
|
funcname)
|
||
|
|
if linktarget:
|
||
|
|
tbrest.append(Paragraph(Link(linkname, linktarget)))
|
||
|
|
else:
|
||
|
|
tbrest.append(Paragraph(linkname))
|
||
|
|
try:
|
||
|
|
source = line.source
|
||
|
|
except IOError:
|
||
|
|
source = "*cannot get source*"
|
||
|
|
mangled = []
|
||
|
|
for i, sline in enumerate(str(source).split('\n')):
|
||
|
|
if i == lineno:
|
||
|
|
line = '-> %s' % (sline,)
|
||
|
|
else:
|
||
|
|
line = ' %s' % (sline,)
|
||
|
|
mangled.append(line)
|
||
|
|
tbrest.append(LiteralBlock('\n'.join(mangled)))
|
||
|
|
return tbid, tbrest
|
||
|
|
|
||
|
|
def make_class_link(self, desc):
|
||
|
|
if not desc or desc.is_degenerated:
|
||
|
|
# create dummy link here, or no link at all
|
||
|
|
return Strong(desc.name)
|
||
|
|
else:
|
||
|
|
linktarget = self.writer.getlink('class', desc.name,
|
||
|
|
'class_%s' % (desc.name,))
|
||
|
|
return Link(desc.name, linktarget)
|