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Preserve history, simplify banner #15

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Preserve history, simplify banner #15

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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -242,6 +242,7 @@ $ hyaml
True
>>>
```
Your command history is stored in the `~/.hyaml_history` file.

## ANTLR

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12 changes: 11 additions & 1 deletion hyaml/__init__.py
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@@ -1,4 +1,6 @@
def main():
import os
import readline
from hyaml.translator import translate
from hyaml.compiler import compile_expression
from code import interact
Expand All @@ -7,4 +9,12 @@ def evaluate(expr, **lcls):
fn = compile_expression(expr, bindings=("variables",))
return fn(variables=lcls)

interact(local={"evaluate": evaluate, "translate": translate})
histfile = os.path.join(os.path.expanduser("~"), ".hyaml_history")
try:
readline.read_history_file(histfile)
except FileNotFoundError:
pass

interact(banner="HYAML Playgroud", local={"evaluate": evaluate, "translate": translate})

readline.write_history_file(histfile)