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# This file is part of PeachPy package and is licensed under the Simplified BSD license.
# See license.rst for the full text of the license.
active_writer = None
class CodeWriter:
def __init__(self):
self.lines = list()
self.indent = 0
self.previous_writer = None
def __enter__(self):
global active_writer
self.previous_writer = active_writer
active_writer = self
return self
def __exit__(self, exc_type, exc_value, traceback):
global active_writer
active_writer = self.previous_writer
self.previous_writer = None
def line(self, line="", indent=0):
if line != "":
self.lines.append(" "*(self.indent+int(indent)) + str(line))
else:
self.lines.append(line)
def indent_line(self, line=""):
self.line(line, indent=1)
def __str__(self):
return "\n".join(self.lines)
class CodeBlock:
def __init__(self, indent=True):
self.indent = bool(indent)
def __enter__(self):
global active_writer
active_writer.indent += int(self.indent)
return self
def __exit__(self, exc_type, exc_value, traceback):
global active_writer
active_writer.indent -= int(self.indent)
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