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Detect python3 executable on Windows

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This commit is contained in:
József Sallai 2020-04-02 00:31:41 +03:00
parent 5049b76b40
commit f9564564f8
1 changed files with 19 additions and 12 deletions
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31
src/base/utils/foreignapps.cpp
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@ -190,9 +190,17 @@ namespace
path = getRegValue(hkInstallPath); path = getRegValue(hkInstallPath);
::RegCloseKey(hkInstallPath); ::RegCloseKey(hkInstallPath);
if (!path.isEmpty() && QDir(path).exists("python.exe")) { if (!path.isEmpty()) {
found = true; const QDir baseDir {path};
path = QDir(path).filePath("python.exe");
if (baseDir.exists("python3.exe")) {
found = true;
path = baseDir.filePath("python3.exe");
}
else if (baseDir.exists("python.exe")) {
found = true;
path = baseDir.filePath("python.exe");
}
} }
} }
} }
@ -223,9 +231,13 @@ namespace
// Fallback: Detect python from default locations // Fallback: Detect python from default locations
const QFileInfoList dirs = QDir("C:/").entryInfoList({"Python*"}, QDir::Dirs, (QDir::Name | QDir::Reversed)); const QFileInfoList dirs = QDir("C:/").entryInfoList({"Python*"}, QDir::Dirs, (QDir::Name | QDir::Reversed));
for (const QFileInfo &info : dirs) { for (const QFileInfo &info : dirs) {
const QString path {info.absolutePath() + "/python.exe"}; const QString py3Path {info.absolutePath() + "/python3.exe"};
if (QFile::exists(path)) if (QFile::exists(py3Path))
return path; return py3Path;
const QString pyPath {info.absolutePath() + "/python.exe"};
if (QFile::exists(pyPath))
return pyPath;
} }
return {}; return {};
@ -247,14 +259,9 @@ PythonInfo Utils::ForeignApps::pythonInfo()
{ {
static PythonInfo pyInfo; static PythonInfo pyInfo;
if (!pyInfo.isValid()) { if (!pyInfo.isValid()) {
#if defined(Q_OS_UNIX)
// On Unix-Like systems python3 should always exist
// https://www.python.org/dev/peps/pep-0394/
if (testPythonInstallation("python3", pyInfo)) if (testPythonInstallation("python3", pyInfo))
return pyInfo; return pyInfo;
#endif
// Look for "python" in Windows and in UNIX if "python3" is
// not detected.
if (testPythonInstallation("python", pyInfo)) if (testPythonInstallation("python", pyInfo))
return pyInfo; return pyInfo;