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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/test/python_utils.h"
#include "base/base_paths.h"
#include "base/environment.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/path_service.h"
#include "base/scoped_ptr.h"
#include "base/utf_string_conversions.h"
const char kPythonPathEnv[] = "PYTHONPATH";
void AppendToPythonPath(const FilePath& dir) {
scoped_ptr<base::Environment> env(base::Environment::Create());
std::string old_path;
std::string dir_path;
#if defined(OS_WIN)
dir_path = WideToUTF8(dir.value());
#elif defined(OS_POSIX)
dir_path = dir.value();
#endif
if (!env->GetVar(kPythonPathEnv, &old_path)) {
env->SetVar(kPythonPathEnv, dir_path.c_str());
} else if (old_path.find(dir_path) == std::string::npos) {
std::string new_path(old_path);
#if defined(OS_WIN)
new_path.append(";");
#elif defined(OS_POSIX)
new_path.append(":");
#endif
new_path.append(dir_path.c_str());
env->SetVar(kPythonPathEnv, new_path);
}
}
bool GetPyProtoPath(FilePath* dir) {
// Locate the Python code generated by the protocol buffers compiler.
FilePath generated_code_dir;
if (!PathService::Get(base::DIR_EXE, &generated_code_dir)) {
return false;
}
const FilePath kPyProto(FILE_PATH_LITERAL("pyproto"));
#if defined(OS_MACOSX) || defined(OS_CHROMEOS)
// On Mac and Chrome OS, DIR_EXE might be pointing deep into the Release/
// (or Debug/) directory and we can't depend on how far down it goes. So we
// walk upwards from DIR_EXE until we find a likely looking spot.
while (!file_util::DirectoryExists(generated_code_dir.Append(kPyProto))) {
FilePath parent = generated_code_dir.DirName();
if (parent == generated_code_dir) {
// We hit the root directory. Maybe we didn't build any targets which
// produced Python protocol buffers.
PathService::Get(base::DIR_EXE, &generated_code_dir);
return false;
}
generated_code_dir = parent;
}
#endif
*dir = generated_code_dir.Append(kPyProto);
return true;
}
bool GetPythonRunTime(FilePath* dir) {
#if defined(OS_WIN)
if (!PathService::Get(base::DIR_SOURCE_ROOT, dir))
return false;
*dir = dir->Append(FILE_PATH_LITERAL("third_party"))
.Append(FILE_PATH_LITERAL("python_26"))
.Append(FILE_PATH_LITERAL("python.exe"));
#elif defined(OS_POSIX)
*dir = FilePath("python");
#endif
return true;
}
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