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Add default line length for jupyter #1400

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merged 4 commits into from
Dec 4, 2018
Merged

Add default line length for jupyter #1400

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1ed087a
Add default line length for jupyter
mtreinish Dec 3, 2018
9d5cd17
Merge branch 'master' into fix-jupyter-line-length
mtreinish Dec 3, 2018
278e3b5
Update docstring
mtreinish Dec 3, 2018
84ae7fb
Merge branch 'master' into fix-jupyter-line-length
mtreinish Dec 4, 2018
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5 changes: 3 additions & 2 deletions qiskit/tools/visualization/_circuit_visualization.py
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Original file line number Diff line number Diff line change
Expand Up @@ -82,8 +82,9 @@ def circuit_drawer(circuit,
line_length (int): Sets the length of the lines generated by `text`
output type. This useful when the drawing does not fit in the
console. If None (default), it will try to guess the console width
using shutil.get_terminal_size(). If you don't want pagination at
all, set `line_length=-1`.
using shutil.get_terminal_size(). However, if you're running in
jupyter the default line length is set to 80 characters. If you
don't want pagination at all, set `line_length=-1`.
reverse_bits (bool): When set to True reverse the bit order inside
registers for the output visualization.
plot_barriers (bool): Enable/disable drawing barriers in the output
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6 changes: 5 additions & 1 deletion qiskit/tools/visualization/_text.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
"""

from shutil import get_terminal_size
import sys

from ._error import VisualizationError

Expand Down Expand Up @@ -460,7 +461,10 @@ def lines(self, line_length=None):
if line_length is None:
line_length = self.line_length
if line_length is None:
line_length, _ = get_terminal_size()
if ('ipykernel' in sys.modules) and ('spyder' not in sys.modules):
line_length = 80
else:
line_length, _ = get_terminal_size()

noqubits = len(self.qregs)
layers = self.build_layers()
Expand Down