mirror of
https://github.com/WikiTeam/wikiteam
synced 2024-11-10 13:10:27 +00:00
Get namespaces and images info from API. Code badly copied around, we should probably use modules such as http://packages.python.org/simplemediawiki/ to use API. Tested, seems to work.
Fixed some typos. git-svn-id: https://wikiteam.googlecode.com/svn/trunk@668 31edc4fc-5e31-b4c4-d58b-c8bc928bcb95
This commit is contained in:
nemobis
parent
b8b2dbcf4a
commit
a8479f9936
107
dumpgenerator.py
107
dumpgenerator.py
@ -62,14 +62,12 @@ def cleanHTML(raw=''):
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raw = raw.split('<article id="WikiaMainContent" class="WikiaMainContent">')[1].split('</article>')[0]
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else:
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print raw[:250]
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print 'This wiki doesn\'t use marks to split contain'
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print 'This wiki doesn\'t use marks to split content'
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sys.exit()
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return raw
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def getNamespaces(config={}):
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""" """
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#fix get namespaces from a random Special:Export page, it is better
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#too from API http://wikiindex.org/api.php?action=query&meta=siteinfo&siprop=general|namespaces
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""" Hackishly gets the list of namespaces names and ids from the dropdown in the HTML of Special:AllPages. Function called if no API is available. """
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namespaces = config['namespaces']
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namespacenames = {0:''} # main is 0, no prefix
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if namespaces:
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@ -100,13 +98,44 @@ def getNamespaces(config={}):
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print '%d namespaces found' % (len(namespaces))
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return namespaces, namespacenames
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def getNamespacesAPI(config={}):
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""" Uses the API to get the list of namespaces names and ids """
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namespaces = config['namespaces']
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namespacenames = {0:''} # main is 0, no prefix
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if namespaces:
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req = urllib2.Request(url=config['api'], data=urllib.urlencode({'action': 'query', 'meta': 'siteinfo', 'siprop': 'namespaces', 'format': 'xml'}), headers={'User-Agent': getUserAgent()})
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f = urllib2.urlopen(req)
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raw = f.read()
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f.close()
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m = re.compile(r'<ns id="(?P<namespaceid>\d+)"[^>]*?/?>(?P<namespacename>[^<]+)?(</ns>)?').finditer(raw) # [^>]*? to include case="first-letter" canonical= etc.
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if 'all' in namespaces:
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namespaces = []
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for i in m:
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namespaces.append(int(i.group("namespaceid")))
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namespacenames[int(i.group("namespaceid"))] = i.group("namespacename")
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else:
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#check if those namespaces really exist in this wiki
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namespaces2 = []
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for i in m:
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if int(i.group("namespaceid")) in namespaces:
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namespaces2.append(int(i.group("namespaceid")))
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namespacenames[int(i.group("namespaceid"))] = i.group("namespacename")
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namespaces = namespaces2
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else:
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namespaces = [0]
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namespaces = [i for i in set(namespaces)] #uniques
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print '%d namespaces found' % (len(namespaces))
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return namespaces, namespacenames
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def getPageTitlesAPI(config={}):
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""" """
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""" Uses the API to get the list of page titles """
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titles = []
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namespaces, namespacenames = getNamespaces(config=config)
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namespaces, namespacenames = getNamespacesAPI(config=config)
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for namespace in namespaces:
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if namespace in config['exnamespaces']:
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print ' Skiping namespace =', namespace
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print ' Skipping namespace =', namespace
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continue
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c = 0
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@ -456,7 +485,7 @@ def getImageFilenamesURL(config={}):
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f = urllib2.urlopen(req)
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raw = f.read()
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f.close()
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if re.search(ur'(?i)(allowed memory size of \d+ bytes exhausted|Call to a member function getURL)', raw): # delicated wiki
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if re.search(ur'(?i)(allowed memory size of \d+ bytes exhausted|Call to a member function getURL)', raw): # delicate wiki
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if limit > 10:
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print 'Error: listing %d images in a chunk is not possible, trying tiny chunks' % (limit)
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limit = limit/10
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@ -520,6 +549,58 @@ def getImageFilenamesURL(config={}):
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images.sort()
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return images
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def getImageFilenamesURLAPI(config={}):
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""" Retrieve file list: filename, url, uploader """
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print 'Retrieving image filenames'
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headers = {'User-Agent': getUserAgent()}
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aifrom = '!'
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images = []
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while aifrom:
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sys.stderr.write('.') #progress
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params = {'action': 'query', 'list': 'allimages', 'aiprop': 'url|user', 'aifrom': aifrom, 'format': 'xml', 'ailimit': 500}
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data = urllib.urlencode(params)
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req = urllib2.Request(url=config['api'], data=data, headers=headers)
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try:
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f = urllib2.urlopen(req)
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except:
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try:
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print 'Server is slow... Waiting some seconds and retrying...'
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time.sleep(10)
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f = urllib2.urlopen(req)
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except:
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print 'An error has occurred while retrieving page titles with API'
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print 'Please, resume the dump, --resume'
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sys.exit()
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xml = f.read()
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f.close()
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m = re.findall(r'<allimages aifrom="([^>]+)" />', xml)
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if m:
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aifrom = undoHTMLEntities(text=m[0]) #" = ", etc
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else:
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aifrom = ''
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m = re.compile(r'(?im)<img name="(?P<filename>[^"]+)"[^>]*user="(?P<uploader>[^"]+)"[^>]* url="(?P<url>[^"]+)"[^>]*/>').finditer(xml) # Retrieves a filename, uploader, url triple from the name, user, url field of the xml line; space before url needed to avoid getting the descriptionurl field instead.
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for i in m:
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url = i.group('url')
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if url[0] == '/' or (not url.startswith('http://') and not url.startswith('https://')): #is it a relative URL?
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if url[0] == '/': #slash is added later
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url = url[1:]
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domainalone = config['index'].split('://')[1].split('/')[0] #remove from :// (http or https) until the first / after domain
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url = '%s://%s/%s' % (config['index'].split('://')[0], domainalone, url) # concat http(s) + domain + relative url
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url = undoHTMLEntities(text=url)
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#url = urllib.unquote(url) #do not use unquote with url, it break some urls with odd chars
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url = re.sub(' ', '_', url)
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filename = re.sub('_', ' ', i.group('filename'))
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filename = undoHTMLEntities(text=filename)
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filename = urllib.unquote(filename)
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uploader = re.sub('_', ' ', i.group('uploader'))
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uploader = undoHTMLEntities(text=uploader)
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uploader = urllib.unquote(uploader)
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images.append([filename, url, uploader])
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print ' Found %d images' % (len(images))
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images.sort()
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return images
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def undoHTMLEntities(text=''):
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""" """
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text = re.sub('<', '<', text) # i guess only < > & " need conversion http://www.w3schools.com/html/html_entities.asp
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@ -951,7 +1032,10 @@ def main(params=[]):
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else:
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print 'Image list is incomplete. Reloading...'
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#do not resume, reload, to avoid inconsistences, deleted images or so
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images = getImageFilenamesURL(config=config)
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if config['api']:
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images=getImageFilenamesURLAPI(config=config)
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else:
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images = getImageFilenamesURL(config=config)
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saveImageFilenamesURL(config=config, images=images)
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#checking images directory
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listdir = []
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@ -991,7 +1075,10 @@ def main(params=[]):
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saveTitles(config=config, titles=titles)
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generateXMLDump(config=config, titles=titles)
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if config['images']:
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images += getImageFilenamesURL(config=config)
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if config['api']:
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images += getImageFilenamesURLAPI(config=config)
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else:
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images += getImageFilenamesURL(config=config)
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saveImageFilenamesURL(config=config, images=images)
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generateImageDump(config=config, other=other, images=images)
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if config['logs']:
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