[Telemetry] Reorganize everything.

tools/telemetry/telemetry/page_set.py

-# Copyright (c) 2012 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.
-import csv
-import json
-import os
-import urlparse
-
-from telemetry import page as page_module
-from telemetry import page_set_archive_info
-
-class PageSet(object):
-  def __init__(self, file_path='', attributes=None):
-    self.description = ''
-    self.archive_data_file = ''
-    self.file_path = file_path
-    self.credentials_path = None
-    self.user_agent_type = None
-
-    if attributes:
-      for k, v in attributes.iteritems():
-        setattr(self, k, v)
-
-    self.pages = []
-
-    if self.archive_data_file:
-      base_dir = os.path.dirname(file_path)
-      self.wpr_archive_info = page_set_archive_info.PageSetArchiveInfo.FromFile(
-          os.path.join(base_dir, self.archive_data_file), file_path)
-    else:
-      self.wpr_archive_info = None
-
-  @classmethod
-  def FromFile(cls, file_path):
-    with open(file_path, 'r') as f:
-      contents = f.read()
-      data = json.loads(contents)
-      return cls.FromDict(data, file_path)
-
-  @classmethod
-  def FromDict(cls, data, file_path=''):
-    page_set = cls(file_path, data)
-    for page_attributes in data['pages']:
-      url = page_attributes.pop('url')
-      page = page_module.Page(url, page_set, attributes=page_attributes,
-                              base_dir=os.path.dirname(file_path))
-      page_set.pages.append(page)
-    return page_set
-
-  def ContainsOnlyFileURLs(self):
-    for page in self.pages:
-      parsed_url = urlparse.urlparse(page.url)
-      if parsed_url.scheme != 'file':
-        return False
-    return True
-
-  def ReorderPageSet(self, results_file):
-    """Reorders this page set based on the results of a past run."""
-    page_set_dict = {}
-    for page in self.pages:
-      page_set_dict[page.url] = page
-
-    pages = []
-    with open(results_file, 'rb') as csv_file:
-      csv_reader = csv.reader(csv_file)
-      csv_header = csv_reader.next()
-
-      if 'url' not in csv_header:
-        raise Exception('Unusable results_file.')
-
-      url_index = csv_header.index('url')
-
-      for csv_row in csv_reader:
-        if csv_row[url_index] in page_set_dict:
-          pages.append(page_set_dict[csv_row[url_index]])
-        else:
-          raise Exception('Unusable results_file.')
-
-    return pages
-
-  def WprFilePathForPage(self, page):
-    if not self.wpr_archive_info:
-      return None
-    return self.wpr_archive_info.WprFilePathForPage(page)
-
-  def __iter__(self):
-    return self.pages.__iter__()
-
-  def __len__(self):
-    return len(self.pages)
-
-  def __getitem__(self, key):
-    return self.pages[key]
-
-  def __setitem__(self, key, value):
-    self.pages[key] = value