
from io import StringIO
from collections import deque


class StreamReader:
    def __init__(self, *args, stream_class=StringIO, **kwargs):
        self.streamClass = stream_class
        self.args = args
        self.kwargs = kwargs

    def read(self, parsing_pipeline):
        parsing_pipeline.reset()
        stream = self.streamClass(*self.args, **self.kwargs)
        min_position = parsing_pipeline.get_min_position()
        max_position = parsing_pipeline.get_max_position()
        length = max_position - min_position + 1
        current_position = -min_position
        ar_index = list()
        element = deque(stream.read(length))

        while True:
            result = parsing_pipeline.check(element, ref_position=-min_position)
            if result is not None and result[0]:
                ar_index.append((current_position, element[-min_position]))
            next_character = stream.read(1)
            current_position += 1
            if next_character and result is not None:
                element.popleft()
                element.append(next_character)
            else:
                break

        stream.close()
        return ar_index


from io import StringIO
from collections import deque


class StreamReader:
    def __init__(self, *args, stream_class=StringIO, **kwargs):
        self.streamClass = stream_class
        self.args = args
        self.kwargs = kwargs

    def read(self, parsing_pipeline):
        parsing_pipeline.reset()
        min_position = parsing_pipeline.get_min_position()
        max_position = parsing_pipeline.get_max_position()
        length = max_position - min_position + 1
        stream = self.streamClass(*self.args, **self.kwargs)
        current_position = -min_position
        ar_index = list()
        element = deque(stream.read(length))
        if len(element) == length:
            while True:
                result = parsing_pipeline.check(element, ref_position=-min_position)
                if result is not None and result[0]:
                    ar_index.append((current_position, element[-min_position]))
                next_character = stream.read(1)
                current_position += 1
                if next_character and result is not None:
                    element.popleft()
                    element.append(next_character)
                else:
                    break

            stream.close()
            return ar_index
        else:
            stream.close()
            raise ValueError("Not enough characters to parse : " + str(len(element)))

Add not enough characters condition
Add not enough characters condition


  
  from io import StringIO
  from collections import deque
  
  
  class StreamReader:
      def __init__(self, *args, stream_class=StringIO, **kwargs):
          self.streamClass = stream_class
          self.args = args
          self.kwargs = kwargs
  
      def read(self, parsing_pipeline):
          parsing_pipeline.reset()
-         stream = self.streamClass(*self.args, **self.kwargs)
          min_position = parsing_pipeline.get_min_position()
          max_position = parsing_pipeline.get_max_position()
          length = max_position - min_position + 1
+         stream = self.streamClass(*self.args, **self.kwargs)
          current_position = -min_position
          ar_index = list()
          element = deque(stream.read(length))
+         if len(element) == length:
+             while True:
+                 result = parsing_pipeline.check(element, ref_position=-min_position)
+                 if result is not None and result[0]:
+                     ar_index.append((current_position, element[-min_position]))
+                 next_character = stream.read(1)
+                 current_position += 1
+                 if next_character and result is not None:
+                     element.popleft()
+                     element.append(next_character)
+                 else:
+                     break
  
+             stream.close()
+             return ar_index
-         while True:
-             result = parsing_pipeline.check(element, ref_position=-min_position)
-             if result is not None and result[0]:
-                 ar_index.append((current_position, element[-min_position]))
-             next_character = stream.read(1)
-             current_position += 1
-             if next_character and result is not None:
-                 element.popleft()
-                 element.append(next_character)
-             else:
+         else:
-                 break
+             stream.close()
+             raise ValueError("Not enough characters to parse : " + str(len(element)))
  
-         stream.close()
-         return ar_index
- 
Add not enough characters condition
## Code Before:

from io import StringIO
from collections import deque


class StreamReader:
    def __init__(self, *args, stream_class=StringIO, **kwargs):
        self.streamClass = stream_class
        self.args = args
        self.kwargs = kwargs

    def read(self, parsing_pipeline):
        parsing_pipeline.reset()
        stream = self.streamClass(*self.args, **self.kwargs)
        min_position = parsing_pipeline.get_min_position()
        max_position = parsing_pipeline.get_max_position()
        length = max_position - min_position + 1
        current_position = -min_position
        ar_index = list()
        element = deque(stream.read(length))

        while True:
            result = parsing_pipeline.check(element, ref_position=-min_position)
            if result is not None and result[0]:
                ar_index.append((current_position, element[-min_position]))
            next_character = stream.read(1)
            current_position += 1
            if next_character and result is not None:
                element.popleft()
                element.append(next_character)
            else:
                break

        stream.close()
        return ar_index

## Instruction:
Add not enough characters condition
## Code After:

from io import StringIO
from collections import deque


class StreamReader:
    def __init__(self, *args, stream_class=StringIO, **kwargs):
        self.streamClass = stream_class
        self.args = args
        self.kwargs = kwargs

    def read(self, parsing_pipeline):
        parsing_pipeline.reset()
        min_position = parsing_pipeline.get_min_position()
        max_position = parsing_pipeline.get_max_position()
        length = max_position - min_position + 1
        stream = self.streamClass(*self.args, **self.kwargs)
        current_position = -min_position
        ar_index = list()
        element = deque(stream.read(length))
        if len(element) == length:
            while True:
                result = parsing_pipeline.check(element, ref_position=-min_position)
                if result is not None and result[0]:
                    ar_index.append((current_position, element[-min_position]))
                next_character = stream.read(1)
                current_position += 1
                if next_character and result is not None:
                    element.popleft()
                    element.append(next_character)
                else:
                    break

            stream.close()
            return ar_index
        else:
            stream.close()
            raise ValueError("Not enough characters to parse : " + str(len(element)))
