pep correct python code

This commit is contained in:
David Halter
2012-02-21 00:21:00 +01:00
parent 49b7e778ce
commit 7597ed05a0
2 changed files with 157 additions and 106 deletions

View File

@@ -4,10 +4,10 @@ import pyclbr
import cStringIO
import sys
import types
from token import ENDMARKER , NT_OFFSET , NUMBER , STRING , NEWLINE , INDENT , DEDENT , LPAR , RPAR , LSQB , RSQB , COLON , COMMA , SEMI , PLUS , MINUS , STAR , SLASH , VBAR , AMPER , LESS , GREATER , EQUAL , DOT , PERCENT , BACKQUOTE , LBRACE , RBRACE , EQEQUAL , NOTEQUAL , LESSEQUAL , GREATEREQUAL , TILDE , CIRCUMFLEX , LEFTSHIFT , RIGHTSHIFT , DOUBLESTAR , PLUSEQUAL , MINEQUAL , STAREQUAL , SLASHEQUAL , PERCENTEQUAL , AMPEREQUAL , VBAREQUAL , CIRCUMFLEXEQUAL , LEFTSHIFTEQUAL , RIGHTSHIFTEQUAL , DOUBLESTAREQUAL , DOUBLESLASH , DOUBLESLASHEQUAL , AT , NAME , ERRORTOKEN , N_TOKENS , OP
from pyfuzzyparser import PyFuzzyParser, _sanitize
def complete(file_name, line, colon):
options = []
print file_name, line, colon
@@ -24,55 +24,62 @@ def complete(file_name, line, colon):
pass
return options
print 1
if __name__ == '__main__':
#print complete('test.py', 50, 3)
#print complete('test.py', 51, 10)
pass
class Completer(object):
def __init__(self):
self.compldict = {}
self.parser = PyFuzzyParser()
self.compldict = {}
self.parser = PyFuzzyParser()
def evalsource(self,text,line=0):
sc = self.parser.parse(text,line)
self.sc = sc # TODO rm
def evalsource(self, text, line=0):
sc = self.parser.parse(text, line)
self.sc = sc # TODO rm
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]))
#except: dbg("parser: %s, %s" % (sys.exc_info()[0], sys.exc_info()[1]))
#for l in sc.locals:
# dbg("local: %s" % l)
# try: exec(l) in self.compldict
# except: dbg("locals: %s, %s [%s]" % (sys.exc_info()[0],sys.exc_info()[1],l))
# except: dbg("locals: %s, %s [%s]" % (sys.exc_info()[0], sys.exc_info()[1], l))
def _cleanstr(self,doc):
return doc.replace('"',' ').replace("'",' ')
def _cleanstr(self, doc):
return doc.replace('"', ' ').replace("'", ' ')
def get_arguments(self,func_obj):
def get_arguments(self, func_obj):
def _ctor(obj):
try: return class_ob.__init__.im_func
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
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
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=''
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)
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:
@@ -80,7 +87,7 @@ class Completer(object):
arg_text = (','.join(items)) + ')'
except:
dbg("arg completion: %s: %s" % (sys.exc_info()[0],sys.exc_info()[1]))
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
@@ -95,15 +102,18 @@ class Completer(object):
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 = ')'
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))
def get_completions(self, context, match):
dbg("get_completions('%s','%s')" % (context, match))
stmt = ''
if context: stmt += str(context)
if match: stmt += str(match)
if context:
stmt += str(context)
if match:
stmt += str(match)
try:
result = None
all = {}
@@ -111,14 +121,15 @@ class Completer(object):
if len(stmt) > 0 and stmt[-1] == '(':
result = eval(_sanitize(stmt[:-1]), self.compldict)
doc = result.__doc__
if doc is None: doc = ''
if doc is None:
doc = ''
args = self.get_arguments(result)
return [{'word':self._cleanstr(args),'info':self._cleanstr(doc)}]
return [{'word': self._cleanstr(args), 'info': self._cleanstr(doc)}]
elif ridx == -1:
match = stmt
all = self.compldict
else:
match = stmt[ridx+1:]
match = stmt[ridx + 1:]
stmt = _sanitize(stmt[:ridx])
result = eval(stmt, self.compldict)
all = dir(result)
@@ -126,23 +137,32 @@ class Completer(object):
dbg("completing: stmt:%s" % stmt)
completions = []
try: maindoc = result.__doc__
except: maindoc = ' '
if maindoc is None: maindoc = ' '
try:
maindoc = result.__doc__
except:
maindoc = ' '
if maindoc is None:
maindoc = ' '
for m in all:
if m == "_PyCmplNoType": continue #this is internal
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
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
if doc is None or doc == '':
doc = maindoc
wrd = m[len(match):]
c = {'word':wrd, 'abbr':m, 'info':self._cleanstr(doc)}
c = {'word': wrd, 'abbr': m, 'info': self._cleanstr(doc)}
if "function" in typestr:
c['word'] += '('
c['abbr'] += '(' + self._cleanstr(self.get_arguments(inst))
@@ -157,23 +177,26 @@ class Completer(object):
completions.append(c)
except:
i = sys.exc_info()
dbg("inner completion: %s,%s [stmt='%s']" % (i[0],i[1],stmt))
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))
dbg("completion: %s, %s [stmt='%s']" % (i[0], i[1], stmt))
return []
debugstmts=[]
def dbg(s): debugstmts.append(s)
def showdbg():
for d in debugstmts: print "DBG: %s " % d
debugstmts = []
def dbg(s):
debugstmts.append(s)
def showdbg():
for d in debugstmts:
print "DBG: %s " % d
text = cStringIO.StringIO(open('test.py').read())
cmpl = Completer()
cmpl.evalsource(text,51)
cmpl.evalsource(text, 51)
print cmpl.sc.get_code()
all = cmpl.get_completions("cdef.", '')

View File

@@ -5,13 +5,15 @@ import sys
import tokenize
import cStringIO
def indent_block(text, indention=" "):
""" This function indents a text block with a default of four spaces """
lines = text.split('\n')
return '\n'.join(map(lambda s: indention+s, lines))
return '\n'.join(map(lambda s: indention + s, lines))
class Scope(object):
def __init__(self,name,indent,docstr=''):
def __init__(self, name, indent, docstr=''):
self.subscopes = []
self.locals = []
self.imports = []
@@ -20,29 +22,32 @@ class Scope(object):
self.name = name
self.indent = indent
def add_scope(self,sub):
#print 'push scope: [%s@%s]' % (sub.name,sub.indent)
def add_scope(self, sub):
#print 'push scope: [%s@%s]' % (sub.name, sub.indent)
sub.parent = self
self.subscopes.append(sub)
return sub
def doc(self,str):
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))
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 add_local(self,loc):
def add_local(self, loc):
self.locals.append(loc)
def add_import(self, imp):
self.imports.append(imp)
def _checkexisting(self,test):
def _checkexisting(self, test):
"Convienance function... keep out duplicates"
if test.find('=') > -1:
var = test.split('=')[0].strip()
@@ -52,25 +57,26 @@ class Scope(object):
def get_code(self, first_indent=False, indention=" "):
str = ""
#str += 'class _PyCmplNoType:\n def __getattr__(self,name):\n return None\n'
if len(self.docstr) > 0: str += '"""'+self.docstr+'"""\n'
if len(self.docstr) > 0:
str += '"""' + self.docstr + '"""\n'
for i in self.imports:
str += i.get_code() + '\n'
#str += 'class _PyCmplNoType:\n def __getattr__(self,name):\n return None\n'
for sub in self.subscopes:
str += sub.get_code(first_indent=True, indention=indention)
for l in self.locals:
str += l+'\n'
str += l + '\n'
if first_indent: str = indent_block(str, indention = indention)
if first_indent:
str = indent_block(str, indention=indention)
return "_%s_%s" % (self.indent, str)
def is_empty(self):
"""
"""
this function returns true if there are no subscopes, imports, locals.
"""
return not (self.locals, self.imports, self.subscopes)
class Class(Scope):
def __init__(self, name, supers, indent, docstr=''):
super(Class, self).__init__(name, indent, docstr)
@@ -78,7 +84,8 @@ class Class(Scope):
def get_code(self, first_indent=False, indention=" "):
str = 'class %s' % (self.name)
if len(self.supers) > 0: str += '(%s)' % ','.join(self.supers)
if len(self.supers) > 0:
str += '(%s)' % ','.join(self.supers)
str += ':\n'
str += super(Class, self).get_code(True, indention)
if self.is_empty():
@@ -88,18 +95,20 @@ class Class(Scope):
class Function(Scope):
def __init__(self, name, params, indent, docstr=''):
Scope.__init__(self,name,indent, docstr)
Scope.__init__(self, name, indent, docstr)
self.params = params
def get_code(self, first_indent=False, indention=" "):
str = "def %s(%s):\n" % (self.name,','.join(self.params))
#if len(self.docstr) > 0: str += self.childindent()+'"""'+self.docstr+'"""\n'
str = "def %s(%s):\n" % (self.name, ','.join(self.params))
#if len(self.docstr) > 0:
# str += self.childindent()+'"""'+self.docstr+'"""\n'
str += super(Function, self).get_code(True, indention)
if self.is_empty():
str += indent_block("pass\n", indention=indention)
print "func", self.locals
return str
class Import(object):
"""
stores the imports of class files
@@ -128,29 +137,33 @@ class Import(object):
else:
return "test import " + ns_str
class PyFuzzyParser(object):
"""
This class is used to parse a Python file, it then divides them into a
class structure of differnt scopes.
"""
def __init__(self):
self.top = Scope('global',0)
self.top = Scope('global', 0)
self.scope = self.top
def _parsedotname(self,pre=None):
def _parsedotname(self, pre=None):
#returns (dottedname, nexttoken)
name = []
if pre is None:
tokentype, tok, indent = self.next()
if tokentype != tokenize.NAME and tok != '*':
return ('', tok)
else: tok = pre
else:
tok = pre
name.append(tok)
while True:
tokentype, tok, indent = self.next()
if tok != '.': break
if tok != '.':
break
tokentype, tok, indent = self.next()
if tokentype != tokenize.NAME: break
if tokentype != tokenize.NAME:
break
name.append(tok)
return (".".join(name), tok)
@@ -158,13 +171,16 @@ class PyFuzzyParser(object):
imports = []
while True:
name, tok = self._parsedotname()
if not name: break
if not name:
break
name2 = ''
if tok == 'as': name2, tok = self._parsedotname()
if tok == 'as':
name2, tok = self._parsedotname()
imports.append((name, name2))
while tok != "," and "\n" not in tok:
tokentype, tok, indent = self.next()
if tok != ",": break
if tok != ",":
break
return imports
def _parseparen(self):
@@ -174,7 +190,8 @@ class PyFuzzyParser(object):
while True:
tokentype, tok, indent = self.next()
if tok in (')', ',') and level == 1:
if '=' not in name: name = name.replace(' ', '')
if '=' not in name:
name = name.replace(' ', '')
names.append(name.strip())
name = ''
if tok == '(':
@@ -182,8 +199,10 @@ class PyFuzzyParser(object):
name += "("
elif tok == ')':
level -= 1
if level == 0: break
else: name += ")"
if level == 0:
break
else:
name += ")"
elif tok == ',' and level == 1:
pass
else:
@@ -192,31 +211,36 @@ class PyFuzzyParser(object):
def _parsefunction(self, indent):
tokentype, fname, ind = self.next()
if tokentype != tokenize.NAME: return None
if tokentype != tokenize.NAME:
return None
tokentype, open, ind = self.next()
if open != '(': return None
params=self._parseparen()
if open != '(':
return None
params = self._parseparen()
tokentype, colon, ind = self.next()
if colon != ':': return None
if colon != ':':
return None
return Function(fname, params, indent)
def _parseclass(self, indent):
tokentype, cname, ind = self.next()
if tokentype != tokenize.NAME: return None
if tokentype != tokenize.NAME:
return None
super = []
tokentype, next, ind = self.next()
if next == '(':
super=self._parseparen()
elif next != ':': return None
super = self._parseparen()
elif next != ':':
return None
return Class(cname,super,indent)
return Class(cname, super, indent)
def _parseassignment(self):
assign=''
assign = ''
tokentype, tok, indent = self.next()
if tokentype == tokenize.STRING or tok == 'str':
return '""'
@@ -233,41 +257,42 @@ class PyFuzzyParser(object):
elif tok == 'None':
return '_PyCmplNoType()'
elif tok == 'type':
return 'type(_PyCmplNoType)' #only for method resolution
return 'type(_PyCmplNoType)' # only for method resolution
else:
assign += tok
level = 0
while True:
tokentype, tok, indent = self.next()
if tok in ('(','{','['):
if tok in ('(', '{', '['):
level += 1
elif tok in (']','}',')'):
elif tok in (']', '}', ')'):
level -= 1
if level == 0: break
if level == 0:
break
elif level == 0:
if tok in (';','\n'): break
if tok in (';', '\n'):
break
assign += tok
return "%s" % assign
def next(self):
type, tok, (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, tok, indent)
#p.parse(vim.current.buffer[:],vim.eval("line('.')"))
def parse(self,text,curline=0):
#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
freshscope = True
while True:
tokentype, tok, indent = self.next()
dbg( 'main: tok=[%s] indent=[%s]' % (tok,indent))
dbg('main: tok=[%s] indent=[%s]' % (tok, indent))
if tokentype == tokenize.DEDENT:
self.scope = self.scope.parent
@@ -302,33 +327,36 @@ class PyFuzzyParser(object):
self.scope.add_import(Import(name, alias, mod))
freshscope = False
elif tokentype == tokenize.STRING:
if freshscope: self.scope.doc(tok)
if freshscope:
self.scope.doc(tok)
elif tokentype == tokenize.NAME:
name,tok = self._parsedotname(tok)
name, tok = self._parsedotname(tok)
if tok == '=':
stmt = self._parseassignment()
dbg("parseassignment: %s = %s" % (name, stmt))
if stmt != None:
self.scope.add_local("%s = %s" % (name,stmt))
self.scope.add_local("%s = %s" % (name, stmt))
freshscope = False
except StopIteration: #thrown on EOF
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.top #self._adjustvisibility()
return self.top # self._adjustvisibility()
def _sanitize(str):
val = ''
level = 0
for c in str:
if c in ('(','{','['):
if c in ('(', '{', '['):
level += 1
elif c in (']','}',')'):
elif c in (']', '}', ')'):
level -= 1
elif level == 0:
val += c
return val
def dbg(*args):
print args