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When force=yes, get_url should always download the specified file
This is accomplished by not setting the If-Modified-Since header, and setting "cache-control: no-cache" instead. Note that if the file content has not changed, the module will still report that changed=false, as the md5's of the tmp file and existing file are compared before swapping Fixes #5104
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1 changed files with 7 additions and 6 deletions
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@ -130,7 +130,7 @@ def url_filename(url):
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return 'index.html'
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return fn
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def url_do_get(module, url, dest, use_proxy, last_mod_time):
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def url_do_get(module, url, dest, use_proxy, last_mod_time, force):
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"""
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Get url and return request and info
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Credits: http://stackoverflow.com/questions/7006574/how-to-download-file-from-ftp
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@ -176,9 +176,11 @@ def url_do_get(module, url, dest, use_proxy, last_mod_time):
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request = urllib2.Request(url)
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request.add_header('User-agent', USERAGENT)
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if last_mod_time:
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if last_mod_time and not force:
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tstamp = last_mod_time.strftime('%a, %d %b %Y %H:%M:%S +0000')
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request.add_header('If-Modified-Since', tstamp)
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else:
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request.add_header('cache-control', 'no-cache')
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try:
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r = urllib2.urlopen(request)
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@ -194,16 +196,15 @@ def url_do_get(module, url, dest, use_proxy, last_mod_time):
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return r, info
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def url_get(module, url, dest, use_proxy, last_mod_time):
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def url_get(module, url, dest, use_proxy, last_mod_time, force):
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"""
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Download data from the url and store in a temporary file.
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Return (tempfile, info about the request)
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"""
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req, info = url_do_get(module, url, dest, use_proxy, last_mod_time)
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req, info = url_do_get(module, url, dest, use_proxy, last_mod_time, force)
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# TODO: should really handle 304, but how? src file could exist (and be newer) but empty
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if info['status'] == 304:
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module.exit_json(url=url, dest=dest, changed=False, msg=info.get('msg', ''))
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@ -283,7 +284,7 @@ def main():
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last_mod_time = datetime.datetime.utcfromtimestamp(mtime)
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# download to tmpsrc
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tmpsrc, info = url_get(module, url, dest, use_proxy, last_mod_time)
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tmpsrc, info = url_get(module, url, dest, use_proxy, last_mod_time, force)
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# Now the request has completed, we can finally generate the final
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# destination file name from the info dict.
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