10 examples of 'pass in for loop python' in Python

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88def visit_For(self, node):
89 self.make_tab()
90 self.write('for ')
91 self.visit(node.target)
92 self.write(' in ')
93 self._in_args = True
94 self.visit(node.iter)
95 self._in_args = False
96 self.write(':\n')
97 self._indent += 1
98 for n in node.body:
99 self.visit(n)
100 self._indent -= 1
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365def FOR(self, node):
366 """
367 Process bindings for loop variables.
368 """
369 vars = []
370 def collectLoopVars(n):
371 if hasattr(n, 'name'):
372 vars.append(n.name)
373 else:
374 for c in n.getChildNodes():
375 collectLoopVars(c)
376
377 collectLoopVars(node.assign)
378 for varn in vars:
379 if (isinstance(self.scope.get(varn), Importation)
380 # unused ones will get an unused import warning
381 and self.scope[varn].used):
382 self.report(messages.ImportShadowedByLoopVar,
383 node.lineno, varn, self.scope[varn].source.lineno)
384
385 self.handleChildren(node)
994def setLoopVar(self, loop_var):
995 self.loop_var = loop_var
258def emit_sequential_loop(self, codegen_state, iname, iname_dtype,
259 lbound, ubound, inner):
260 ecm = codegen_state.expression_to_code_mapper
261
262 from pymbolic.mapper.stringifier import PREC_NONE, PREC_SUM
263 from genpy import For
264
265 return For(
266 (iname,),
267 "range(%s, %s + 1)"
268 % (
269 ecm(lbound, PREC_NONE, "i"),
270 ecm(ubound, PREC_SUM, "i"),
271 ),
272 inner)
677def visitGenExprFor(self, node):
678 start = self.newBlock()
679 anchor = self.newBlock()
680 end = self.newBlock()
681 self.setups.push((LOOP, start))
682 self.emit('SETUP_LOOP', end)
683 if node.is_outmost:
684 self.loadName('.0')
685 else:
686 self.visit(node.iter)
687 self.emit('GET_ITER')
688 self.nextBlock(start)
689 self.set_lineno(node, force=True)
690 self.emit('FOR_ITER', anchor)
691 self.nextBlock()
692 self.visit(node.assign)
693 return (start, anchor, end)
69def test_for():
70 src = dedent("""\
71 for a in [1,2]:
72 a
73
74 for a1 in 1,"":
75 a1
76 """)
77 check_p(src, 1)
323def visit_ParFor(self, expr):
324 self.visit_expr(expr.fn)
325 self.visit_expr(expr.bounds)
285def _For(self, t):
286 self.fill("for ")
287 self.dispatch(t.target)
288 self.write(" in ")
289 self.dispatch(t.iter)
290 self.body(t.body)
291 if t.orelse:
292 self.fill("else")
293 self.body(t.orelse)
691def handle_gen_for (self, node):
692 return self._handle_comp_for(node)
74def visit_For(self, node):
75 """
76 OUT = (node,) + last body statements
77 RAISES = body's that are not break or continue
78 """
79 currs = (node,)
80 break_currs = tuple()
81 raises = ()
82 # handle body
83 for n in node.body:
84 self.result.add_node(n)
85 for curr in currs:
86 self.result.add_edge(curr, n)
87 currs, nraises = self.visit(n)
88 for nraise in nraises:
89 if isinstance(nraise, ast.Break):
90 break_currs += (nraise,)
91 elif isinstance(nraise, ast.Continue):
92 self.result.add_edge(nraise, node)
93 else:
94 raises += (nraise,)
95 # add the backward loop
96 for curr in currs:
97 self.result.add_edge(curr, node)
98 # the else statement if needed
99 if node.orelse:
100 for n in node.orelse:
101 self.result.add_node(n)
102 for curr in currs:
103 self.result.add_edge(curr, n)
104 currs, nraises = self.visit(n)
105 # while only
106 if hasattr(node, 'test') and is_true_predicate(node.test):
107 return break_currs, raises
108
109 return break_currs + currs, raises

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