diff options
author | Ryan Kavanagh <ryanakca@kubuntu.org> | 2011-08-14 17:16:55 -0400 |
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committer | Ryan Kavanagh <ryanakca@kubuntu.org> | 2011-08-25 07:42:57 -0400 |
commit | 1c019761dfaf6be82de9284fa5e2b9dbfbdec27d (patch) | |
tree | 7ed6bd2f437d3a334bd7a81f62e6dfa63689272b /.vim/ftplugin/pythoncomplete.vim |
Initial import
Diffstat (limited to '.vim/ftplugin/pythoncomplete.vim')
-rw-r--r-- | .vim/ftplugin/pythoncomplete.vim | 625 |
1 files changed, 625 insertions, 0 deletions
diff --git a/.vim/ftplugin/pythoncomplete.vim b/.vim/ftplugin/pythoncomplete.vim new file mode 100644 index 0000000..57add71 --- /dev/null +++ b/.vim/ftplugin/pythoncomplete.vim @@ -0,0 +1,625 @@ +"pythoncomplete.vim - Omni Completion for python +" Maintainer: Aaron Griffin <aaronmgriffin@gmail.com> +" Version: 0.9 +" Last Updated: 18 Jun 2009 +" +" Changes +" TODO: +" 'info' item output can use some formatting work +" Add an "unsafe eval" mode, to allow for return type evaluation +" Complete basic syntax along with import statements +" i.e. "import url<c-x,c-o>" +" Continue parsing on invalid line?? +" +" v 0.9 +" * Fixed docstring parsing for classes and functions +" * Fixed parsing of *args and **kwargs type arguments +" * Better function param parsing to handle things like tuples and +" lambda defaults args +" +" v 0.8 +" * Fixed an issue where the FIRST assignment was always used instead of +" using a subsequent assignment for a variable +" * Fixed a scoping issue when working inside a parameterless function +" +" +" v 0.7 +" * Fixed function list sorting (_ and __ at the bottom) +" * Removed newline removal from docs. It appears vim handles these better in +" recent patches +" +" v 0.6: +" * Fixed argument completion +" * Removed the 'kind' completions, as they are better indicated +" with real syntax +" * Added tuple assignment parsing (whoops, that was forgotten) +" * Fixed import handling when flattening scope +" +" v 0.5: +" Yeah, I skipped a version number - 0.4 was never public. +" It was a bugfix version on top of 0.3. This is a complete +" rewrite. +" + +if !has('python') + echo "Error: Required vim compiled with +python" + finish +endif + +function! pythoncomplete#Complete(findstart, base) + "findstart = 1 when we need to get the text length + if a:findstart == 1 + let line = getline('.') + let idx = col('.') + while idx > 0 + let idx -= 1 + let c = line[idx] + if c =~ '\w' + continue + elseif ! c =~ '\.' + let idx = -1 + break + else + break + endif + endwhile + + return idx + "findstart = 0 when we need to return the list of completions + else + "vim no longer moves the cursor upon completion... fix that + let line = getline('.') + let idx = col('.') + let cword = '' + while idx > 0 + let idx -= 1 + let c = line[idx] + if c =~ '\w' || c =~ '\.' + let cword = c . cword + continue + elseif strlen(cword) > 0 || idx == 0 + break + endif + endwhile + execute "python vimcomplete('" . cword . "', '" . a:base . "')" + return g:pythoncomplete_completions + endif +endfunction + +function! s:DefPython() +python << PYTHONEOF +import sys, tokenize, cStringIO, types +from token import NAME, DEDENT, NEWLINE, STRING + +debugstmts=[] +def dbg(s): debugstmts.append(s) +def showdbg(): + for d in debugstmts: print "DBG: %s " % d + +def vimcomplete(context,match): + global debugstmts + debugstmts = [] + try: + import vim + def complsort(x,y): + try: + xa = x['abbr'] + ya = y['abbr'] + if xa[0] == '_': + if xa[1] == '_' and ya[0:2] == '__': + return xa > ya + elif ya[0:2] == '__': + return -1 + elif y[0] == '_': + return xa > ya + else: + return 1 + elif ya[0] == '_': + return -1 + else: + return xa > ya + except: + return 0 + cmpl = Completer() + cmpl.evalsource('\n'.join(vim.current.buffer),vim.eval("line('.')")) + all = cmpl.get_completions(context,match) + all.sort(complsort) + dictstr = '[' + # have to do this for double quoting + for cmpl in all: + dictstr += '{' + for x in cmpl: dictstr += '"%s":"%s",' % (x,cmpl[x]) + dictstr += '"icase":0},' + if dictstr[-1] == ',': dictstr = dictstr[:-1] + dictstr += ']' + #dbg("dict: %s" % dictstr) + vim.command("silent let g:pythoncomplete_completions = %s" % dictstr) + #dbg("Completion dict:\n%s" % all) + except vim.error: + dbg("VIM Error: %s" % vim.error) + +class Completer(object): + def __init__(self): + self.compldict = {} + self.parser = PyParser() + + def evalsource(self,text,line=0): + sc = self.parser.parse(text,line) + src = sc.get_code() + dbg("source: %s" % src) + try: exec(src) in self.compldict + except: dbg("parser: %s, %s" % (sys.exc_info()[0],sys.exc_info()[1])) + for l in sc.locals: + try: exec(l) in self.compldict + except: dbg("locals: %s, %s [%s]" % (sys.exc_info()[0],sys.exc_info()[1],l)) + + def _cleanstr(self,doc): + return doc.replace('"',' ').replace("'",' ') + + def get_arguments(self,func_obj): + def _ctor(obj): + try: return class_ob.__init__.im_func + except AttributeError: + for base in class_ob.__bases__: + rc = _find_constructor(base) + if rc is not None: return rc + return None + + arg_offset = 1 + if type(func_obj) == types.ClassType: func_obj = _ctor(func_obj) + elif type(func_obj) == types.MethodType: func_obj = func_obj.im_func + else: arg_offset = 0 + + arg_text='' + if type(func_obj) in [types.FunctionType, types.LambdaType]: + try: + cd = func_obj.func_code + real_args = cd.co_varnames[arg_offset:cd.co_argcount] + defaults = func_obj.func_defaults or '' + defaults = map(lambda name: "=%s" % name, defaults) + defaults = [""] * (len(real_args)-len(defaults)) + defaults + items = map(lambda a,d: a+d, real_args, defaults) + if func_obj.func_code.co_flags & 0x4: + items.append("...") + if func_obj.func_code.co_flags & 0x8: + items.append("***") + arg_text = (','.join(items)) + ')' + + except: + dbg("arg completion: %s: %s" % (sys.exc_info()[0],sys.exc_info()[1])) + pass + if len(arg_text) == 0: + # The doc string sometimes contains the function signature + # this works for alot of C modules that are part of the + # standard library + doc = func_obj.__doc__ + if doc: + doc = doc.lstrip() + pos = doc.find('\n') + if pos > 0: + sigline = doc[:pos] + lidx = sigline.find('(') + ridx = sigline.find(')') + if lidx > 0 and ridx > 0: + arg_text = sigline[lidx+1:ridx] + ')' + if len(arg_text) == 0: arg_text = ')' + return arg_text + + def get_completions(self,context,match): + dbg("get_completions('%s','%s')" % (context,match)) + stmt = '' + if context: stmt += str(context) + if match: stmt += str(match) + try: + result = None + all = {} + ridx = stmt.rfind('.') + if len(stmt) > 0 and stmt[-1] == '(': + result = eval(_sanitize(stmt[:-1]), self.compldict) + doc = result.__doc__ + if doc is None: doc = '' + args = self.get_arguments(result) + return [{'word':self._cleanstr(args),'info':self._cleanstr(doc)}] + elif ridx == -1: + match = stmt + all = self.compldict + else: + match = stmt[ridx+1:] + stmt = _sanitize(stmt[:ridx]) + result = eval(stmt, self.compldict) + all = dir(result) + + dbg("completing: stmt:%s" % stmt) + completions = [] + + try: maindoc = result.__doc__ + except: maindoc = ' ' + if maindoc is None: maindoc = ' ' + for m in all: + if m == "_PyCmplNoType": continue #this is internal + try: + dbg('possible completion: %s' % m) + if m.find(match) == 0: + if result is None: inst = all[m] + else: inst = getattr(result,m) + try: doc = inst.__doc__ + except: doc = maindoc + typestr = str(inst) + if doc is None or doc == '': doc = maindoc + + wrd = m[len(match):] + c = {'word':wrd, 'abbr':m, 'info':self._cleanstr(doc)} + if "function" in typestr: + c['word'] += '(' + c['abbr'] += '(' + self._cleanstr(self.get_arguments(inst)) + elif "method" in typestr: + c['word'] += '(' + c['abbr'] += '(' + self._cleanstr(self.get_arguments(inst)) + elif "module" in typestr: + c['word'] += '.' + elif "class" in typestr: + c['word'] += '(' + c['abbr'] += '(' + completions.append(c) + except: + i = sys.exc_info() + dbg("inner completion: %s,%s [stmt='%s']" % (i[0],i[1],stmt)) + return completions + except: + i = sys.exc_info() + dbg("completion: %s,%s [stmt='%s']" % (i[0],i[1],stmt)) + return [] + +class Scope(object): + def __init__(self,name,indent,docstr=''): + self.subscopes = [] + self.docstr = docstr + self.locals = [] + self.parent = None + self.name = name + self.indent = indent + + def add(self,sub): + #print 'push scope: [%s@%s]' % (sub.name,sub.indent) + sub.parent = self + self.subscopes.append(sub) + return sub + + def doc(self,str): + """ Clean up a docstring """ + d = str.replace('\n',' ') + d = d.replace('\t',' ') + while d.find(' ') > -1: d = d.replace(' ',' ') + while d[0] in '"\'\t ': d = d[1:] + while d[-1] in '"\'\t ': d = d[:-1] + dbg("Scope(%s)::docstr = %s" % (self,d)) + self.docstr = d + + def local(self,loc): + self._checkexisting(loc) + self.locals.append(loc) + + def copy_decl(self,indent=0): + """ Copy a scope's declaration only, at the specified indent level - not local variables """ + return Scope(self.name,indent,self.docstr) + + def _checkexisting(self,test): + "Convienance function... keep out duplicates" + if test.find('=') > -1: + var = test.split('=')[0].strip() + for l in self.locals: + if l.find('=') > -1 and var == l.split('=')[0].strip(): + self.locals.remove(l) + + def get_code(self): + str = "" + if len(self.docstr) > 0: str += '"""'+self.docstr+'"""\n' + for l in self.locals: + if l.startswith('import'): str += l+'\n' + str += 'class _PyCmplNoType:\n def __getattr__(self,name):\n return None\n' + for sub in self.subscopes: + str += sub.get_code() + for l in self.locals: + if not l.startswith('import'): str += l+'\n' + + return str + + def pop(self,indent): + #print 'pop scope: [%s] to [%s]' % (self.indent,indent) + outer = self + while outer.parent != None and outer.indent >= indent: + outer = outer.parent + return outer + + def currentindent(self): + #print 'parse current indent: %s' % self.indent + return ' '*self.indent + + def childindent(self): + #print 'parse child indent: [%s]' % (self.indent+1) + return ' '*(self.indent+1) + +class Class(Scope): + def __init__(self, name, supers, indent, docstr=''): + Scope.__init__(self,name,indent, docstr) + self.supers = supers + def copy_decl(self,indent=0): + c = Class(self.name,self.supers,indent, self.docstr) + for s in self.subscopes: + c.add(s.copy_decl(indent+1)) + return c + def get_code(self): + str = '%sclass %s' % (self.currentindent(),self.name) + if len(self.supers) > 0: str += '(%s)' % ','.join(self.supers) + str += ':\n' + if len(self.docstr) > 0: str += self.childindent()+'"""'+self.docstr+'"""\n' + if len(self.subscopes) > 0: + for s in self.subscopes: str += s.get_code() + else: + str += '%spass\n' % self.childindent() + return str + + +class Function(Scope): + def __init__(self, name, params, indent, docstr=''): + Scope.__init__(self,name,indent, docstr) + self.params = params + def copy_decl(self,indent=0): + return Function(self.name,self.params,indent, self.docstr) + def get_code(self): + str = "%sdef %s(%s):\n" % \ + (self.currentindent(),self.name,','.join(self.params)) + if len(self.docstr) > 0: str += self.childindent()+'"""'+self.docstr+'"""\n' + str += "%spass\n" % self.childindent() + return str + +class PyParser: + def __init__(self): + self.top = Scope('global',0) + self.scope = self.top + + def _parsedotname(self,pre=None): + #returns (dottedname, nexttoken) + name = [] + if pre is None: + tokentype, token, indent = self.next() + if tokentype != NAME and token != '*': + return ('', token) + else: token = pre + name.append(token) + while True: + tokentype, token, indent = self.next() + if token != '.': break + tokentype, token, indent = self.next() + if tokentype != NAME: break + name.append(token) + return (".".join(name), token) + + def _parseimportlist(self): + imports = [] + while True: + name, token = self._parsedotname() + if not name: break + name2 = '' + if token == 'as': name2, token = self._parsedotname() + imports.append((name, name2)) + while token != "," and "\n" not in token: + tokentype, token, indent = self.next() + if token != ",": break + return imports + + def _parenparse(self): + name = '' + names = [] + level = 1 + while True: + tokentype, token, indent = self.next() + if token in (')', ',') and level == 1: + if '=' not in name: name = name.replace(' ', '') + names.append(name.strip()) + name = '' + if token == '(': + level += 1 + name += "(" + elif token == ')': + level -= 1 + if level == 0: break + else: name += ")" + elif token == ',' and level == 1: + pass + else: + name += "%s " % str(token) + return names + + def _parsefunction(self,indent): + self.scope=self.scope.pop(indent) + tokentype, fname, ind = self.next() + if tokentype != NAME: return None + + tokentype, open, ind = self.next() + if open != '(': return None + params=self._parenparse() + + tokentype, colon, ind = self.next() + if colon != ':': return None + + return Function(fname,params,indent) + + def _parseclass(self,indent): + self.scope=self.scope.pop(indent) + tokentype, cname, ind = self.next() + if tokentype != NAME: return None + + super = [] + tokentype, next, ind = self.next() + if next == '(': + super=self._parenparse() + elif next != ':': return None + + return Class(cname,super,indent) + + def _parseassignment(self): + assign='' + tokentype, token, indent = self.next() + if tokentype == tokenize.STRING or token == 'str': + return '""' + elif token == '(' or token == 'tuple': + return '()' + elif token == '[' or token == 'list': + return '[]' + elif token == '{' or token == 'dict': + return '{}' + elif tokentype == tokenize.NUMBER: + return '0' + elif token == 'open' or token == 'file': + return 'file' + elif token == 'None': + return '_PyCmplNoType()' + elif token == 'type': + return 'type(_PyCmplNoType)' #only for method resolution + else: + assign += token + level = 0 + while True: + tokentype, token, indent = self.next() + if token in ('(','{','['): + level += 1 + elif token in (']','}',')'): + level -= 1 + if level == 0: break + elif level == 0: + if token in (';','\n'): break + assign += token + return "%s" % assign + + def next(self): + type, token, (lineno, indent), end, self.parserline = self.gen.next() + if lineno == self.curline: + #print 'line found [%s] scope=%s' % (line.replace('\n',''),self.scope.name) + self.currentscope = self.scope + return (type, token, indent) + + def _adjustvisibility(self): + newscope = Scope('result',0) + scp = self.currentscope + while scp != None: + if type(scp) == Function: + slice = 0 + #Handle 'self' params + if scp.parent != None and type(scp.parent) == Class: + slice = 1 + newscope.local('%s = %s' % (scp.params[0],scp.parent.name)) + for p in scp.params[slice:]: + i = p.find('=') + if len(p) == 0: continue + pvar = '' + ptype = '' + if i == -1: + pvar = p + ptype = '_PyCmplNoType()' + else: + pvar = p[:i] + ptype = _sanitize(p[i+1:]) + if pvar.startswith('**'): + pvar = pvar[2:] + ptype = '{}' + elif pvar.startswith('*'): + pvar = pvar[1:] + ptype = '[]' + + newscope.local('%s = %s' % (pvar,ptype)) + + for s in scp.subscopes: + ns = s.copy_decl(0) + newscope.add(ns) + for l in scp.locals: newscope.local(l) + scp = scp.parent + + self.currentscope = newscope + return self.currentscope + + #p.parse(vim.current.buffer[:],vim.eval("line('.')")) + def parse(self,text,curline=0): + self.curline = int(curline) + buf = cStringIO.StringIO(''.join(text) + '\n') + self.gen = tokenize.generate_tokens(buf.readline) + self.currentscope = self.scope + + try: + freshscope=True + while True: + tokentype, token, indent = self.next() + #dbg( 'main: token=[%s] indent=[%s]' % (token,indent)) + + if tokentype == DEDENT or token == "pass": + self.scope = self.scope.pop(indent) + elif token == 'def': + func = self._parsefunction(indent) + if func is None: + print "function: syntax error..." + continue + dbg("new scope: function") + freshscope = True + self.scope = self.scope.add(func) + elif token == 'class': + cls = self._parseclass(indent) + if cls is None: + print "class: syntax error..." + continue + freshscope = True + dbg("new scope: class") + self.scope = self.scope.add(cls) + + elif token == 'import': + imports = self._parseimportlist() + for mod, alias in imports: + loc = "import %s" % mod + if len(alias) > 0: loc += " as %s" % alias + self.scope.local(loc) + freshscope = False + elif token == 'from': + mod, token = self._parsedotname() + if not mod or token != "import": + print "from: syntax error..." + continue + names = self._parseimportlist() + for name, alias in names: + loc = "from %s import %s" % (mod,name) + if len(alias) > 0: loc += " as %s" % alias + self.scope.local(loc) + freshscope = False + elif tokentype == STRING: + if freshscope: self.scope.doc(token) + elif tokentype == NAME: + name,token = self._parsedotname(token) + if token == '=': + stmt = self._parseassignment() + dbg("parseassignment: %s = %s" % (name, stmt)) + if stmt != None: + self.scope.local("%s = %s" % (name,stmt)) + freshscope = False + except StopIteration: #thrown on EOF + pass + except: + dbg("parse error: %s, %s @ %s" % + (sys.exc_info()[0], sys.exc_info()[1], self.parserline)) + return self._adjustvisibility() + +def _sanitize(str): + val = '' + level = 0 + for c in str: + if c in ('(','{','['): + level += 1 + elif c in (']','}',')'): + level -= 1 + elif level == 0: + val += c + return val + +sys.path.extend(['.','..']) +PYTHONEOF +endfunction + +call s:DefPython() +" vim: set et ts=4: |