public void FindPackage(string name, string requiredVersion, string minimumVersion, string maximumVersion, int id, Request request)
{
request.Debug("Calling '{0}::FindPackage'({1},{2},{3},{4})", ProviderName, name, requiredVersion, minimumVersion, maximumVersion);
foreach (var package in PythonWebsite.Search(name, requiredVersion, minimumVersion, maximumVersion, (request.GetOptionValue("AllVersions") == "True"), request))
{
package.YieldSelf(request);
}
foreach (var package in PyPI.Search(name, requiredVersion, minimumVersion, maximumVersion, request))
{
package.YieldSelf(request);
}
}
public static PythonPackage FromFastReference(string fastreference, Request request)
{
if (fastreference.StartsWith("distinfo:"))
{
string[] parts = fastreference.Substring(9).Split(new char[] { '|' }, 2);
PythonInstall install = PythonInstall.FromPath(parts[0], request);
return(FromDistInfo(parts[1], install, request));
}
else if (fastreference.StartsWith("egginfo:"))
{
string[] parts = fastreference.Substring(8).Split(new char[] { '|' }, 2);
PythonInstall install = PythonInstall.FromPath(parts[0], request);
return(FromEggInfo(parts[1], install, request));
}
else if (fastreference.StartsWith("pypi:"))
{
string[] parts = fastreference.Substring(5).Split(new char[] { '#' }, 3);
string source = parts[0];
string sourceurl = parts[1];
parts = parts[2].Split(new char[] { '/' });
string name = parts[0];
string version = parts[1];
return(PyPI.GetPackage(new Tuple <string, string>(source, sourceurl), name, version, request));
}
else if (fastreference.StartsWith("archive:"))
{
string[] parts = fastreference.Substring(8).Split(new char[] { '/' }, 3);
string name = parts[0];
string version = parts[1];
string archive_path = parts[2];
foreach (var package in PackagesFromFile(archive_path, request))
{
if (package.name == name && package.version.Compare(version) == 0)
{
return(package);
}
}
}
else if (fastreference.StartsWith("pythonweb:"))
{
return(PythonWebsite.PackageFromWebResource(fastreference.Substring(10), request));
}
else if (fastreference.StartsWith("installedpython:"))
{
return(PythonInstall.FromPath(fastreference.Substring(16), request));
}
return(null);
}
private JObject FindDownload(bool install_64bit, out bool is_msi, Request request)
{
if (web_resource == null)
{
throw new InvalidOperationException("Installing an existing install of Python doesn't make sense");
}
JObject download = null;
is_msi = false;
foreach (JObject candidate in PythonWebsite.DownloadsFromWebResource(web_resource, request))
{
string name = candidate["name"].ToString();
if (install_64bit)
{
if (name == "Windows x86-64 MSI installer")
{
download = candidate;
is_msi = true;
break;
}
else if (name == "Windows x86-64 executable installer")
{
download = candidate;
is_msi = false;
break;
}
}
else
{
if (name == "Windows x86 MSI installer")
{
download = candidate;
is_msi = true;
break;
}
else if (name == "Windows x86 executable installer")
{
download = candidate;
is_msi = false;
break;
}
}
}
return(download);
}
public void InstallPackage(string fastPackageReference, Request request)
{
request.Debug("Calling '{0}::InstallPackage' '{1}'", ProviderName, fastPackageReference);
var package = PythonPackage.FromFastReference(fastPackageReference, request);
if (package is PythonInstall)
{
((PythonInstall)package).Install(request);
return;
}
bool retried = false;
retry:
List <PythonInstall> usableinstalls = new List <PythonInstall>();
List <PythonInstall> unusableinstalls = new List <PythonInstall>();
foreach (var candidateinstall in PythonInstall.FindEnvironments(request))
{
if (package.CanInstall(candidateinstall, request))
{
usableinstalls.Add(candidateinstall);
}
else
{
unusableinstalls.Add(candidateinstall);
}
}
if (usableinstalls.Count == 1)
{
package.Install(usableinstalls[0], request);
}
else if (usableinstalls.Count == 0)
{
// Need to install a Python
if (retried)
{
request.Error(ErrorCategory.NotImplemented, package.name, "Failed to install a Python interpreter");
return;
}
List <PythonPackage> candidate_pythons = new List <PythonPackage>(
PythonWebsite.Search("Python", null, null, null, true, request));
candidate_pythons.Sort(new PackageVersionComparer());
bool installed = false;
for (int i = candidate_pythons.Count - 1; i >= 0; i--)
{
if (Environment.Is64BitOperatingSystem &&
((PythonInstall)candidate_pythons[i]).CanInstall(true, request) &&
package.CanInstall((PythonInstall)candidate_pythons[i], true, request))
{
((PythonInstall)candidate_pythons[i]).Install(true, request);
installed = true;
break;
}
else if (((PythonInstall)candidate_pythons[i]).CanInstall(false, request) &&
package.CanInstall((PythonInstall)candidate_pythons[i], true, request))
{
((PythonInstall)candidate_pythons[i]).Install(false, request);
installed = true;
break;
}
}
if (installed)
{
retried = true;
goto retry;
}
else
{
request.Error(ErrorCategory.NotImplemented, package.name, "Couldn't find a Python interpreter to install for this");
return;
}
}
else if (usableinstalls.Count > 1)
{
if (request.GetOptionValue("Force") == "True")
{
PythonInstall greatest = usableinstalls[0];
foreach (var candidate in usableinstalls)
{
if (candidate.version.Compare(greatest.version) > 0)
{
greatest = candidate;
}
}
package.Install(greatest, request);
}
else
{
request.Warning("Multiple installed Python interpreters could satisfy this request:");
foreach (var install in usableinstalls)
{
request.Warning(" Python version '{0}' at '{1}'", install.version, install.exe_path);
}
request.Warning("Please select a Python to install to, using e.g. -PythonVersion 3.2 or -PythonLocation c:\\python32\\python.exe");
request.Error(ErrorCategory.NotSpecified, package.name, "Not enough information to select a Python interpreter for the install");
}
}
}
