Side by Side Diff: utils.py
Issue 29350244:
Issue 4374 - Made Python code part of jshydra comply with our coding practices (Closed)
Patch Set: Merge abp_rewrite and utils module
Created Aug. 28, 2016, 10:43 p.m.
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| 1 # This Source Code is subject to the terms of the Mozilla Public License | |
| 2 # version 2.0 (the "License"). You can obtain a copy of the License at | |
| 3 # http://mozilla.org/MPL/2.0/. | |
| 4 | |
| 5 import os | |
| 6 import platform | |
| 7 import io | |
| 8 import zipfile | |
| 9 | |
| 10 try: | |
| 11 from urllib.request import urlopen | |
| 12 except ImportError: | |
| 13 import urllib | |
| 14 import contextlib | |
| 15 | |
| 16 def urlopen(*args, **kwargs): | |
| 17 return contextlib.closing(urllib.urlopen(*args, **kwargs)) | |
| 18 | |
| 19 JSSHELL_DIR = 'mozilla-esr31' | |
| 20 JSSHELL_URL = ('https://ftp.mozilla.org/pub/mozilla.org/firefox/nightly' | |
| 21 '/2015/02/2015-02-25-00-22-19-{}' | |
| 22 '/jsshell-{{}}.zip'.format(JSSHELL_DIR)) | |
| 23 | |
| 24 JSSHELL_SUPPORTED_PLATFORMS = { | |
| 25 'Windows': 'win32', | |
| 26 'Linux': { | |
| 27 'i686': 'linux-i686', | |
| 28 'x86_64': 'linux-x86_64' | |
| 29 }, | |
| 30 'Darwin': 'mac' | |
| 31 } | |
| 32 | |
| 33 | |
| 34 def ensureJSShell(): | |
| 35 path = os.environ.get('SPIDERMONKEY_BINARY') | |
| 36 if path and os.path.isfile(path): | |
| 37 return path | |
| 38 | |
| 39 baseDir = os.path.dirname(__file__) | |
| 40 system = platform.system() | |
| 41 | |
| 42 try: | |
| 43 build = JSSHELL_SUPPORTED_PLATFORMS[system] | |
| 44 if isinstance(build, dict): | |
| 45 build = build[platform.machine()] | |
| 46 except KeyError: | |
| 47 raise Exception('Platform {} ({}) not supported by JS shell'.format( | |
| 48 system, platform.machine() | |
| 49 )) | |
| 50 | |
| 51 shell_dir = os.path.join(baseDir, JSSHELL_DIR + "-" + build) | |
| 52 if not os.path.exists(shell_dir): | |
| 53 os.makedirs(shell_dir) | |
| 54 if system == 'Windows': | |
| 55 path = os.path.join(shell_dir, 'js.exe') | |
| 56 else: | |
| 57 path = os.path.join(shell_dir, 'js') | |
| 58 | |
| 59 if os.path.exists(path): | |
| 60 return path | |
| 61 | |
| 62 with urlopen(JSSHELL_URL.format(build)) as response: | |
| 63 data = response.read() | |
| 64 | |
| 65 with zipfile.ZipFile(io.BytesIO(data)) as archive: | |
| 66 archive.extractall(shell_dir) | |
| 67 | |
| 68 if not os.path.exists(path): | |
| 69 raise Exception('Downloaded package didn\'t contain JS shell executable' ) | |
| 70 | |
| 71 try: | |
| 72 os.chmod(path, 0o700) | |
| 73 except: | |
| 74 pass | |
| 75 | |
| 76 return path | |
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