blob: 1c47cab40dab1478d28390903e21858b737bfe1a [file] [log] [blame]
#!/usr/bin/python2.4
# Copyright (c) 2006-2008 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.
"""Command for scraping images from a URL or list of URLs.
Prerequisites:
1. The command_line package from tools/site_compare
2. Either the IE BHO or Firefox extension (or both)
Installation:
1. Build the IE BHO, or call regsvr32 on a prebuilt binary
2. Add a file called "measurepageloadtimeextension@google.com" to
the default Firefox profile directory under extensions, containing
the path to the Firefox extension root
Invoke with the command line arguments as documented within
the command line.
"""
import command_line
from drivers import windowing
from utils import browser_iterate
def CreateCommand(cmdline):
"""Inserts the command and arguments into a command line for parsing."""
cmd = cmdline.AddCommand(
["scrape"],
"Scrapes an image from a URL or series of URLs.",
None,
ExecuteScrape)
browser_iterate.SetupIterationCommandLine(cmd)
cmd.AddArgument(
["-log", "--logfile"], "File to write text output", type="string")
cmd.AddArgument(
["-out", "--outdir"], "Directory to store scrapes", type="string", required=True)
def ExecuteScrape(command):
"""Executes the Scrape command."""
def ScrapeResult(url, proc, wnd, result):
"""Capture and save the scrape."""
if log_file: log_file.write(result)
# Scrape the page
image = windowing.ScrapeWindow(wnd)
filename = windowing.URLtoFilename(url, command["--outdir"], ".bmp")
image.save(filename)
if command["--logfile"]: log_file = open(command["--logfile"], "w")
else: log_file = None
browser_iterate.Iterate(command, ScrapeResult)
# Close the log file and return. We're done.
if log_file: log_file.close()