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nimpy.nimble
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nimpy.nimble
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version = "0.2.0"
author = "Yuriy Glukhov"
description = "Nim python integration lib"
license = "MIT"
# Dependencies
requires "nim >= 1.0"
import oswalkdir, os, strutils
proc calcPythonExecutables() : seq[string] =
## Calculates which Python executables to use for testing
## The default is to use "python2" and "python3"
##
## You can override this by setting the environment
## variable `NIMPY_PY_EXES` to a comma separated list
## of Python executables to invoke. For example, to test
## with Python 2 from the system PATH and multiple versions
## of Python 3, you might invoke something like
##
## `NIMPY_PY_EXES="python2:/usr/local/bin/python3.7:/usr/local/bin/python3.8" nimble test`
##
## These are launched via a shell so they can be scripts
## as well as actual Python executables
let pyExes = getEnv("NIMPY_PY_EXES", "python2:python3")
result = pyExes.split(":")
proc calcLibPythons() : seq[string] =
## Calculates which libpython modules to use for testing
## The default is to use whichever libpython is found
## by `pythonLibHandleFromExternalLib()` in py_lib.nim
##
## You can override this by setting the environment
## variable `NIMPY_LIBPYTHONS` to a comma separated list
## of libpython modules to load. For example, you might
## invoke something like
##
## `NIMPY_LIBPYTHONS="/usr/lib/x86_64-linux-gnu/libpython2.7.so:/usr/lib/x86_64-linux-gnu/libpython3.8.so" nimble test`
##
let libPythons = getEnv("NIMPY_LIBPYTHONS", "")
result = libPythons.split(":")
proc runTests(nimFlags = "") =
let pluginExtension = when defined(windows): "pyd" else: "so"
let staticFlag = when defined(windows):
## Compiling with --threads:on --tlsEmulation:off with mingw will introduce a dependency on libgcc_s_seh-1.dll which python will
## not be able to load. The workaround is to link with this lib statically, by adding -static flag to the linker
"--passL:-static"
else:
""
for f in oswalkdir.walkDir("tests"):
# Compile all nim modules, except those starting with "t"
let sf = f.path.splitFile()
if sf.ext == ".nim" and not sf.name.startsWith("t"):
exec "nim c --passC:-g --threads:on --tlsEmulation:off --app:lib " & staticFlag & " " & nimFlags & " --out:" & f.path.changeFileExt(pluginExtension) & " " & f.path
let
sourceFile = "tests/custommodulename".changeFileExt(pluginExtension)
targetFile = "tests/_mycustommodulename".changeFileExt(pluginExtension)
try:
rmFile(targetFile)
except:
discard
mvFile(sourceFile, targetFile)
let
pythonExes = calcPythonExecutables()
libPythons = calcLibPythons()
for f in oswalkdir.walkDir("tests"):
# Run all python modules starting with "t"
let sf = f.path.splitFile()
if sf.ext == ".py" and sf.name.startsWith("t"):
for pythonExe in pythonExes:
echo "running: ", pythonExe, " ", f.path
exec pythonExe & " " & f.path
for f in oswalkdir.walkDir("tests"):
# Run all nim modules starting with "t"
let sf = f.path.splitFile()
if sf.ext == ".nim" and sf.name.startsWith("t"):
for libPython in libPythons:
exec "nim c -d:nimpyTestLibPython=" & libPython & " -r " & nimFlags & " " & f.path
task test, "Run tests":
runTests()
runTests("--mm:orc")
task test_orc, "Run tests with --mm:orc":
runTests("--mm:orc")