public static bool FromBasePathAndName_NoThrow(
string basePath,
string moduleName,
Func <string, bool> isPackage,
Func <string, string, string> getModule,
bool requireInitPy,
out ModulePath modulePath,
out bool isInvalid,
out bool isMissing,
out string errorParameter
)
{
modulePath = default;
isInvalid = false;
isMissing = false;
errorParameter = null;
var bits = moduleName.Split('.');
var lastBit = bits.Last();
if (isPackage == null)
{
isPackage = f => !string.IsNullOrEmpty(GetPackageInitPy(f));
}
if (getModule == null)
{
getModule = (dir, mod) => {
var modPath = Path.Combine(dir, mod);
var pack = GetPackageInitPy(modPath);
if (pack == null && !requireInitPy && Directory.Exists(modPath))
{
return(modPath);
}
else if (File.Exists(pack))
{
return(pack);
}
var mods = PathUtils.EnumerateFiles(dir, mod + "*", recurse: false).ToArray();
return(mods.FirstOrDefault(p => IsModuleNameMatch(PythonStubRegex, p, mod)) ??
mods.FirstOrDefault(p => IsModuleNameMatch(PythonBinaryRegex, p, mod)) ??
mods.FirstOrDefault(p => IsModuleNameMatch(PythonFileRegex, p, mod)));
};
}
var path = basePath;
var allowStub = true;
Match m;
foreach (var bit in bits.Take(bits.Length - 1))
{
m = PythonPackageRegex.Match(bit);
if (!m.Success || (!allowStub && m.Groups["stubs"].Success))
{
isInvalid = true;
errorParameter = bit;
return(false);
}
allowStub = false;
if (string.IsNullOrEmpty(path))
{
path = bit;
}
else
{
path = Path.Combine(path, bit);
}
if (!isPackage(path))
{
isMissing = true;
errorParameter = path;
return(false);
}
}
m = PythonPackageRegex.Match(lastBit);
if (!m.Success || (!allowStub && m.Groups["stubs"].Success))
{
isInvalid = true;
errorParameter = moduleName;
return(false);
}
path = getModule(path, lastBit);
if (string.IsNullOrEmpty(path))
{
isMissing = true;
errorParameter = moduleName;
return(false);
}
modulePath = new ModulePath(moduleName, path, basePath);
return(true);
}
public static bool FromBasePathAndFile_NoThrow(
string basePath,
string sourceFile,
bool isPackage,
out ModulePath modulePath,
out bool isInvalid,
out bool isMissing
)
{
modulePath = default;
isInvalid = false;
isMissing = false;
if (!PathEqualityComparer.Instance.StartsWith(sourceFile, basePath, allowFullMatch: false))
{
return(false);
}
var nameMatch = PythonFileRegex.Match(PathUtils.GetFileName(sourceFile));
if (!nameMatch.Success)
{
isInvalid = true;
return(false);
}
var bits = new List <string> {
nameMatch.Groups["name"].Value
};
var path = PathUtils.TrimEndSeparator(PathUtils.GetParent(sourceFile));
var lastWasStubs = false;
while (PathEqualityComparer.Instance.StartsWith(path, basePath, allowFullMatch: false))
{
if (!isPackage && string.IsNullOrEmpty(GetPackageInitPy(path)))
{
isMissing = true;
return(false);
}
if (lastWasStubs)
{
isInvalid = true;
return(false);
}
var bit = PathUtils.GetFileName(path);
var m = PythonPackageRegex.Match(bit);
if (!m.Success)
{
isInvalid = true;
return(false);
}
lastWasStubs = m.Groups["stubs"].Success;
bits.Add(PathUtils.GetFileName(path));
path = PathUtils.TrimEndSeparator(PathUtils.GetParent(path));
}
if (!PathEqualityComparer.Instance.Equals(basePath, path))
{
isMissing = true;
return(false);
}
var moduleName = string.Join(".", bits.AsEnumerable().Reverse());
modulePath = new ModulePath(moduleName, sourceFile, basePath);
return(true);
}
public static bool FromBasePathAndFile_NoThrow(
string basePath,
string sourceFile,
out ModulePath modulePath
) => FromBasePathAndFile_NoThrow(basePath, sourceFile, false, out modulePath, out _, out _);