plotdevice-libs/web/delicious.py at master · plotdevice/plotdevice-libs · GitHub

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import urllib.request, urllib.error, urllib.parse, libxml2, xml.utils.iso8601, md5, re, RDF, datetime, urllib.request, urllib.parse, urllib.error

from sets import Set

def get_url_contents(url):

try:

import httpcache

return httpcache.HTTPCache(url).content()

except ImportError:

return urllib.request.urlopen(url).read()

def _set_auth(username,password):

authinfo = urllib.request.HTTPBasicAuthHandler()

authinfo.add_password('del.icio.us API', 'http://del.icio.us', username, password)

opener = urllib.request.build_opener(authinfo)

urllib.request.install_opener(opener)

def my_tags(username,password):

_set_auth(username,password)

result = Set([])

xml = libxml2.parseDoc(get_url_contents('http://del.icio.us/api/tags/get'))

tags = xml.xpathEval("/tags/tag")

for tag in tags:

result.add(Tag(tag.prop("tag")))

return result

def add_post(username,password,url=None,description="",extended="",tags="",dt=None):

_set_auth(username,password)

if dt is None:

dt = datetime.datetime.now()

if type(dt) is int:

dt = datetime.datetime.fromtimestamp(dt)

if isinstance(dt,datetime.date):

date = dt.strftime("%Y-%m-%dT%H:%m:%SZ")

else:

date = str(dt)

if type(tags) is list:

tags = " ".join([str(tag) for tag in tags])

data = {

'url' : url,

'description' : description,

'extended' : extended,

'tags' : tags,

'dt' : date,

}

posturl = "http://del.icio.us/api/posts/add?"+urllib.parse.urlencode(data)

urllib.request.urlopen(posturl).read()

def my_posts(username,password):

_set_auth(username,password)

result = []

xml = libxml2.parseDoc(get_url_contents('http://del.icio.us/api/posts/recent'))

posts = xml.xpathEval("/posts/post")

for post in posts:

result.append(Post(username,post))

return result

def posts():

url = "http://del.icio.us/rss/"

model = RDF.Model()

parser = RDF.Parser()

parser.parse_string_into_model(model,get_url_contents(url),RDF.Uri("http://foo"))

posts = [RSSTagPost(model,p.subject) for p in model.find_statements(RDF.Statement(None,RDF.Uri("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"),RDF.Uri("http://purl.org/rss/1.0/item")))]

return posts

class TagFactory(object):

def __init__(self):

pass

def __getattr__(self,name):

return Tag(name)

class UserFactory(object):

def __init__(self):

pass

def __getattr__(self,name):

return User(name)

tags = TagFactory()

users = UserFactory()

class Post(object):

def __init__(self,user,post_elt):

self.description = post_elt.prop('description')

self.time = xml.utils.iso8601.parse(post_elt.prop('time'))

self.href = Href(post_elt.prop('href'))

self.tags = Set([Tag(n) for n in post_elt.prop('tag').split(" ")])

self.extended = post_elt.prop('extended')

self.user = user

def __repr__(self):

return ", ".join([thing+": "+str(self.__dict__[thing]) for thing in self.__dict__])

class User(object):

def __init__(self,user):

self.user = user

def url(self):

return "http://del.icio.us/"+self.user

def __iter__(self):

return PostIterator(self.posts())

def __call__(self,*args):

return self.posts(*args)

def __eq__(self,other):

return type(self) == type(other) and str(self) == str(other)

def __hash__(self):

return self.user.__hash__()

def __repr__(self):

return self.user

def posts(self,*args):

alltags = Set()

for arg in args:

if isinstance(arg,Tag):

alltags.add(arg)

url = "http://del.icio.us/rss/"+self.user

if len(alltags)>0:

url += "/"+"+".join([str(tag) for tag in alltags])

model = RDF.Model()

parser = RDF.Parser()

try:

parser.parse_string_into_model(model,get_url_contents(url),RDF.Uri("http://foo"))

posts = [RSSTagPost(model,p.subject) for p in model.find_statements(RDF.Statement(None,RDF.Uri("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"),RDF.Uri("http://purl.org/rss/1.0/item")))]

for post in posts:

post.user = self

return posts

except:

return []

class Href(object):

def __init__(self,href):

self.href = href

self.hash = md5.md5(self.href).hexdigest()

def __iter__(self):

return PostIterator(self.posts())

def __eq__(self,other):

return type(self) == type(other) and str(self) == str(other)

def __hash__(self):

return self.hash.__hash__()

def __repr__(self):

return self.href

def url(self):

return "http://del.icio.us/url/"+self.hash

def posts(self):

url = "http://del.icio.us/url/"+self.hash

doc = libxml2.htmlParseDoc(get_url_contents(url),"ISO-8859-1")

posts = [HtmlPost(p) for p in doc.xpathEval("//div[@class='delPost']")]

return posts

class HtmlPost(Post):

def __init__(self,div_elt):

self.tags = Set([])

# Note the page being parsed is a non-authenticated version,

# meaning the delPost divs have no 'copy/edit this item' links

# href and description

[delLink] = div_elt.xpathEval("div/a[@class='delLink']")

self.href = delLink.prop('href')

self.description = delLink.content

# extended (if any)

for div in div_elt.xpathEval("div[count(a)=0]"):

self.extended = div.content

# delNav class anchors: first the tags (if any), then user, then date

delNav = div_elt.xpathEval("div/a[@class='delNav']")

self.user = delNav[-2].content

for a in delNav[0:-2]:

tag = a.lastChild().content

self.tags.add(Tag(tag))

class PostIterator(object):

def __init__(self,posts):

self.posts = posts

self.idx = 0

def __iter__(self):

return self

def __next__(self):

if self.idx<len(self.posts):

self.idx += 1

return self.posts[self.idx-1]

raise StopIteration

class Tag(object):

def __init__(self,name):

self.name = name.lower()

def url(self):

return "http://del.icio.us/tag/"+self.name

def __call__(self,*args):

return self.posts(*args)

def __eq__(self,other):

return type(self) == type(other) and str(self) == str(other)

def __hash__(self):

return self.name.__hash__()

def __repr__(self):

return self.name

def __iter__(self):

return PostIterator(self.posts())

def posts(self,*args):

alltags = Set()

extratags = ""

user = None

for arg in args:

if isinstance(arg,Tag):

alltags.add(arg)

if isinstance(arg,User):

user = arg

if len(alltags)>0:

extratags = "+"+"+".join([str(tag) for tag in alltags])

if user is not None:

url = "http://del.icio.us/rss/"+str(user)+"/"+self.name+extratags

else:

url = "http://del.icio.us/rss/tag/"+self.name

model = RDF.Model()

parser = RDF.Parser()

try:

parser.parse_string_into_model(model,get_url_contents(url),RDF.Uri("http://foo"))

posts = [RSSTagPost(model,p.subject,self) for p in model.find_statements(RDF.Statement(None,RDF.Uri("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"),RDF.Uri("http://purl.org/rss/1.0/item")))]

if user is not None:

for post in posts:

post.user = user

return posts

except:

return []

class RSSTagPost(Post):

def __init__(self,model,item,tag=None):

rss = RDF.NS("http://purl.org/rss/1.0/")

dc = RDF.NS("http://purl.org/dc/elements/1.1/")

self.description = str(model.get_target(item,rss.title))

self.extended = str(model.get_target(item,rss.description))

self.user = User(str(model.get_target(item,dc.creator)))

dcdate = model.get_target(item,dc.date)

if dcdate is not None:

self.time = xml.utils.iso8601.parse(str(dcdate))

self.href = Href(str(item.uri))

subject = str(model.get_target(item,dc.subject))

self.tags = Set([])

if subject is not None:

self.tags = Set([Tag(x) for x in subject.split(" ")])

if tag is not None:

self.tags.add(tag)

if __name__ == '__main__':

import sys

from sets import Set

username = sys.argv[1]

user = User(username)

tags = Set()

users = {}

print("Reading "+username+" posts...")

for post in user:

for tag in post.tags:

tags.add(tag)

other_tags = Set()

count = 0

for other_post in post.href:

u = other_post.user

if not u == user:

count += 1

if u not in users:

users[u] = []

users[u].append(other_post)

for tag in other_post.tags:

if tag not in post.tags:

other_tags.add(str(tag))

if count>0:

print(post.description+" ("+str(post.href)+")...")

print(" "+username+" tagged thus: "+",".join([str(t) for t in post.tags]))

if len(other_tags)>0:

print(" "+str(count)+" others tagged further: "+",".join(other_tags))

else:

print(" "+str(count)+" others had no further tags to add")

print()

print("users who posted the same stuff")

print("-------------------------------")

print()

for founduser in users:

if founduser == username: continue

if len(users[founduser])>2:

print(founduser.url(),"also posted:")

for post in users[founduser]:

print(" ",post.description)

print(" ("+str(post.href)+")", end=' ')

if len(post.tags)>0:

print("- "+",".join([str(tag) for tag in post.tags]))

else:

print()

plotdevice-libs/web/delicious.py at master · plotdevice/plotdevice-libs · GitHub

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