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authorZeno Albisser <zeno.albisser@digia.com>2013-08-15 21:46:11 +0200
committerZeno Albisser <zeno.albisser@digia.com>2013-08-15 21:46:11 +0200
commit679147eead574d186ebf3069647b4c23e8ccace6 (patch)
treefc247a0ac8ff119f7c8550879ebb6d3dd8d1ff69 /chromium/net/test/python_utils.cc
downloadqtwebengine-chromium-679147eead574d186ebf3069647b4c23e8ccace6.tar.gz
Initial import.
Diffstat (limited to 'chromium/net/test/python_utils.cc')
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1 files changed, 127 insertions, 0 deletions
diff --git a/chromium/net/test/python_utils.cc b/chromium/net/test/python_utils.cc
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+// Copyright (c) 2011 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/command_line.h"
+#include "base/environment.h"
+#include "base/file_util.h"
+#include "base/files/file_path.h"
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/path_service.h"
+#include "base/strings/utf_string_conversions.h"
+
+const char kPythonPathEnv[] = "PYTHONPATH";
+
+void AppendToPythonPath(const base::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);
+ }
+}
+
+namespace {
+
+// Search for |to_try|, rolling up the directory tree from
+// |start_dir|. If found, return true and put the path to |to_try| in
+// |out_dir|. If not, return false and leave |out_dir| untouched.
+bool TryRelativeToDir(const base::FilePath& start_dir,
+ const base::FilePath& to_try,
+ base::FilePath* out_dir) {
+ base::FilePath dir(start_dir);
+ while (!base::DirectoryExists(dir.Append(to_try))) {
+ base::FilePath parent = dir.DirName();
+ if (parent == dir) {
+ // We hit the root directory.
+ return false;
+ }
+ dir = parent;
+ }
+ *out_dir = dir;
+ return true;
+}
+
+} // namespace
+
+bool GetPyProtoPath(base::FilePath* dir) {
+ // Locate the Python code generated by the protocol buffers compiler.
+ base::FilePath generated_code_dir;
+ if (!PathService::Get(base::DIR_EXE, &generated_code_dir)) {
+ LOG(ERROR) << "Can't find " << generated_code_dir.value();
+ return false;
+ }
+
+ const base::FilePath kPyProto(FILE_PATH_LITERAL("pyproto"));
+
+#if defined(OS_MACOSX) || defined(OS_CHROMEOS)
+ base::FilePath source_dir;
+ if (!PathService::Get(base::DIR_SOURCE_ROOT, &source_dir)) {
+ LOG(ERROR) << "Can't find " << source_dir.value();
+ return false;
+ }
+ // On Mac, and possibly 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.
+ if (!TryRelativeToDir(generated_code_dir, kPyProto, dir)) {
+ LOG(WARNING) << "Can't find " << kPyProto.value()
+ << " next to " << generated_code_dir.value();
+ // On Chrome OS, we may have installed the test binaries and support tools
+ // in a wholly separate location, relative to DIR_SOURCE_ROOT. We'll want
+ // to do a similar investigation from that point as well.
+ generated_code_dir = source_dir
+ .Append(FILE_PATH_LITERAL("out"))
+ .Append(FILE_PATH_LITERAL("Release"));
+ if (!TryRelativeToDir(generated_code_dir, kPyProto, dir)) {
+ LOG(WARNING) << "Can't find " << kPyProto.value()
+ << " next to " << generated_code_dir.value();
+ return false;
+ }
+ }
+ generated_code_dir = *dir;
+#endif
+ *dir = generated_code_dir.Append(kPyProto);
+ VLOG(2) << "Found " << kPyProto.value() << " in " << dir->value();
+ return true;
+}
+
+bool GetPythonCommand(CommandLine* python_cmd) {
+ DCHECK(python_cmd);
+ base::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 = base::FilePath("python");
+#endif
+
+ python_cmd->SetProgram(dir);
+
+ // Launch python in unbuffered mode, so that python output doesn't mix with
+ // gtest output in buildbot log files. See http://crbug.com/147368.
+ python_cmd->AppendArg("-u");
+
+ return true;
+}