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[build] Don't unconditionally regenerate wpimath numbers (#2665)

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Co-authored-by: Tyler Veness <calcmogul@gmail.com>
This commit is contained in:
Peter Johnson
2020-08-29 15:06:49 -07:00
committed by GitHub
parent 526f26685d
commit 70db0db221
1 changed files with 45 additions and 28 deletions
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73
wpimath/generate_numbers.py
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@@ -1,42 +1,59 @@
import os
import shutil
import sys
MAX_NUM = 20
dirname, _ = os.path.split(os.path.abspath(__file__))
cmake_binary_dir = sys.argv[1]
def main():
MAX_NUM = 20
with open(f"{dirname}/src/generate/GenericNumber.java.in", "r") as templateFile:
template = templateFile.read()
rootPath = f"{cmake_binary_dir}/generated/main/java/edu/wpi/first/wpiutil/math/numbers"
dirname, _ = os.path.split(os.path.abspath(__file__))
cmake_binary_dir = sys.argv[1]
if os.path.exists(rootPath):
shutil.rmtree(rootPath)
os.makedirs(rootPath)
with open(f"{dirname}/src/generate/GenericNumber.java.in",
"r") as templateFile:
template = templateFile.read()
rootPath = f"{cmake_binary_dir}/generated/main/java/edu/wpi/first/wpiutil/math/numbers"
for i in range(MAX_NUM + 1):
with open(f"{rootPath}/N{i}.java", "w") as f:
f.write(template.replace("${num}", str(i)))
if not os.path.exists(rootPath):
os.makedirs(rootPath)
with open(f"{dirname}/src/generate/Nat.java.in", "r") as templateFile:
template = templateFile.read()
outputPath = f"{cmake_binary_dir}/generated/main/java/edu/wpi/first/wpiutil/math/Nat.java"
with open(f"{dirname}/src/generate/NatGetter.java.in", "r") as getterFile:
getter = getterFile.read()
for i in range(MAX_NUM + 1):
new_contents = template.replace("${num}", str(i))
if os.path.exists(outputPath):
os.remove(outputPath)
if os.path.exists(f"{rootPath}/N{i}.java"):
with open(f"{rootPath}/N{i}.java", "r") as f:
if f.read() == new_contents:
continue
importsString = ""
# File either doesn't exist or has different contents
with open(f"{rootPath}/N{i}.java", "w") as f:
f.write(new_contents)
for i in range(MAX_NUM + 1):
importsString += f"import edu.wpi.first.wpiutil.math.numbers.N{i};\n"
template += getter.replace("${num}", str(i))
with open(f"{dirname}/src/generate/Nat.java.in", "r") as templateFile:
template = templateFile.read()
outputPath = f"{cmake_binary_dir}/generated/main/java/edu/wpi/first/wpiutil/math/Nat.java"
with open(f"{dirname}/src/generate/NatGetter.java.in",
"r") as getterFile:
getter = getterFile.read()
template += "}\n"
importsString = ""
template = template.replace('{{REPLACEWITHIMPORTS}}', importsString)
for i in range(MAX_NUM + 1):
importsString += f"import edu.wpi.first.wpiutil.math.numbers.N{i};\n"
template += getter.replace("${num}", str(i))
with open(outputPath, "w") as f:
f.write(template)
template += "}\n"
template = template.replace('{{REPLACEWITHIMPORTS}}', importsString)
if os.path.exists(outputPath):
with open(outputPath, "r") as f:
if f.read() == template:
return 0
# File either doesn't exist or has different contents
with open(outputPath, "w") as f:
f.write(template)
if __name__ == "__main__":
main()