made sequence more flexible, can handle descending and negative sequences and is skipped if start==end
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@ -151,10 +151,17 @@ class LookupModule(object):
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)
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elif self.count is not None:
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# convert count to end
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if self.count != 0:
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self.end = self.start + self.count * self.stride - 1
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else:
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self.start = 0
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self.end = 0
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self.stride = 0
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del self.count
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if self.end < self.start:
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raise AnsibleError("can't count backwards")
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if self.stride > 0 and self.end < self.start:
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raise AnsibleError("to count backwards make stride negative")
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if self.stride < 0 and self.end > self.start:
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raise AnsibleError("to count forward don't make stride negative")
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if self.format.count('%') != 1:
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raise AnsibleError("bad formatting string: %s" % self.format)
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@ -197,12 +204,13 @@ class LookupModule(object):
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self.sanity_check()
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if self.start != self.end:
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results.extend(self.generate_sequence())
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except AnsibleError:
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raise
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except Exception:
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except Exception, e:
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raise AnsibleError(
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"unknown error generating sequence"
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"unknown error generating sequence: %s" % str(e)
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)
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return results
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