Fix error unclosed IO on external binary version query
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parent
87f07003f4
commit
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@ -39,9 +39,7 @@ def _get_command_version(path, pattern, argument=None):
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if argument:
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command.append(argument)
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try:
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for line in process_wait(command):
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if re.search(pattern, line):
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return line
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return process_wait(command, pattern=pattern).string
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except Exception as ex:
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log.warning("%s: %s", path, ex)
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return _EXECUTION_ERROR
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@ -711,12 +711,11 @@ def check_unrar(unrarLocation):
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if sys.version_info < (3, 0):
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unrarLocation = unrarLocation.encode(sys.getfilesystemencoding())
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unrarLocation = [unrarLocation]
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for lines in process_wait(unrarLocation):
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value = re.search('UNRAR (.*) freeware', lines, re.IGNORECASE)
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if value:
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version = value.group(1)
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log.debug("unrar version %s", version)
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break
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value = process_wait(unrarLocation, pattern='UNRAR (.*) freeware')
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if value:
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version = value.group(1)
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log.debug("unrar version %s", version)
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except (OSError, UnicodeDecodeError) as err:
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log.debug_or_exception(err)
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return _('Error excecuting UnRar')
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@ -20,7 +20,7 @@ from __future__ import division, print_function, unicode_literals
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import sys
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import os
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import subprocess
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import re
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def process_open(command, quotes=(), env=None, sout=subprocess.PIPE, serr=subprocess.PIPE, newlines=True):
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# Linux py2.7 encode as list without quotes no empty element for parameters
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@ -44,12 +44,18 @@ def process_open(command, quotes=(), env=None, sout=subprocess.PIPE, serr=subpro
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return subprocess.Popen(exc_command, shell=False, stdout=sout, stderr=serr, universal_newlines=newlines, env=env) # nosec
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def process_wait(command, serr=subprocess.PIPE):
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def process_wait(command, serr=subprocess.PIPE, pattern=""):
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# Run command, wait for process to terminate, and return an iterator over lines of its output.
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newlines = os.name != 'nt'
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ret_val = ""
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p = process_open(command, serr=serr, newlines=newlines)
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p.wait()
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for line in p.stdout.readlines():
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if isinstance(line, bytes):
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line = line.decode('utf-8')
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yield line
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match = re.search(pattern, line, re.IGNORECASE)
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if match and ret_val == "":
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ret_val = match
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p.stdout.close()
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p.stderr.close()
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return ret_val
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