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Beatport.py
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Beatport.py
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#!/usr/bin/python3
# Beatport.py -- Handle Beatport API
# @Author: The Sighter (sighter@resource-dnb.de) & The Füttel (achterin@googlemail.com)
# @License: GPL
# @Created: 2011-11-30.
# @Revision: 0.1
from Release import Release, Track
from Helpers import ePrint
from copy import deepcopy
import http.client
import json
## Class to manage a ResultPage on
#
class ResultPage:
##============================= LIFECYCLE ====================================##
## The constructor
#
# The ResultPage is nearly completely constructed here
#
def __init__(self, searchTerm):
self.__ClassName = "Beatport.ResultPage"
self.__ReleaseList = []
# strip whitespaces on the edges
searchTerm = searchTerm.strip()
# replace white spaces
searchTerm = searchTerm.replace(" ", "+")
# remove ampersand from searchTerm
searchTerm = searchTerm.replace("&", "")
#
# get the web data
#
ePrint(2, self.__ClassName, "Searching for term: " + searchTerm)
# make a socket connection to the beatport api
conn = http.client.HTTPConnection("api.beatport.com")
conn.request("GET", "/catalog/3/search?query=" + searchTerm + "&facets[]=fieldType:release&perPage=500")
r1 = conn.getresponse()
#print(r1.status, r1.reason)
mydict = json.loads(r1.read().decode())
# print(json.dumps(mydict["results"], sort_keys=True, indent=4))
#for entry in mydict["results"]:
# print(entry["name"])
#print(len(mydict["results"]))
# Check for nothing found
if len(mydict["results"]) == 0:
return None
self.__CreateReleaseList__(mydict["results"])
##============================= OPERATIONS ===================================##
## Main parser Function
#
# Here, the release list is created
#
def __CreateReleaseList__(self, results):
for rel in results:
cur_release = Release()
if rel["name"]:
cur_release.Name = rel["name"]
if rel["catalogNumber"]:
cur_release.Catid = rel["catalogNumber"]
if rel["label"]["name"]:
cur_release.LabelName = rel["label"]["name"]
if rel["id"]:
cur_release.InfoPageLink = rel["id"]
self.__ReleaseList.append(cur_release)
##============================= ACESS ===================================##
def GetReleaseList(self):
if len(self.__ReleaseList) == 0:
return None
else:
return self.__ReleaseList
## Class to manage a release page
#
class ReleasePage(Release):
##============================= LIFECYCLE ====================================##
## The constructor
#
# initialize the page and copy contnts of the given
# release
#
def __init__(self, rel):
# copy inherited object
super().__init__()
self.Name = rel.Name
self.Catid = rel.Catid
self.LabelName = rel.LabelName
self.InfoPageLink = rel.InfoPageLink
self.TrackList = deepcopy(rel.TrackList)
# own members
self.__ClassName = "ReleasePage"
#
# ask beatport api
#
conn = http.client.HTTPConnection("api.beatport.com")
conn.request("GET", "/catalog/2/tracks?perPage=50&releaseId=" + str(self.InfoPageLink))
r1 = conn.getresponse()
mydict = json.loads(r1.read().decode())
# No results
if len(mydict["results"]) == 0:
return None
#print(json.dumps(mydict["results"], sort_keys=True, indent=4))
# get track info
t_number = 1
# we have to get the picture link from the first picture
if mydict["results"][0]["images"]["large"]["url"]:
self.PictureLink = mydict["results"][0]["images"]["large"]["url"]
#print(self.PictureLink)
for tr in mydict["results"]:
cur_track = Track()
#print(tr["artists"])
if tr["artists"]:
cur_track.Artist = ""
for a in tr["artists"]:
if a["type"] == "artist":
cur_track.Artist += a["name"] + ", "
cur_track.Artist = cur_track.Artist.rstrip(", ")
if tr["title"]:
cur_track.Title = tr["title"]
cur_track.Number = t_number
t_number += 1
t_key = ""
# get key
if tr["key"] and tr["key"]["standard"]:
t_key += tr["key"]["standard"]["letter"]
if tr["key"]["standard"]["sharp"] == True:
t_key += " Sharp"
if tr["key"]["standard"]["flat"] == True:
t_key += " Flat"
t_key += " " + tr["key"]["standard"]["chord"]
cur_track.Key = self.ConvertKey(t_key)
self.TrackList.append(cur_track)
#print(self.GetLongString())
##============================= OPERATIONS ===================================##
def ConvertKey(self, bpKey):
quint_map = {
'G Sharp minor' : 'gismoll',
'D Sharp minor' : 'dismoll',
'A Sharp minor' : 'bmoll',
'F minor' : 'fmoll',
'C minor' : 'cmoll',
'G minor' : 'gmoll',
'D minor' : 'dmoll',
'A minor' : 'amoll',
'E minor' : 'emoll',
'B minor' : 'hmoll',
'F Sharp minor' : 'fismoll',
'C Sharp minor' : 'cismoll',
'B major' : 'hdur',
'F Sharp major' : 'fisdur',
'C Sharp major' : 'desdur',
'G Sharp major' : 'asdur',
'D Sharp major' : 'esdur',
'A Sharp major' : 'bdur',
'F major' : 'fdur',
'C major' : 'cdur',
'G major' : 'gdur',
'D major' : 'ddur',
'A major' : 'adur',
'E major' : 'edur',
}
if bpKey in quint_map:
return quint_map[bpKey]
else:
return bpKey
## Function to test the module
def ModuleTest():
res_page = ResultPage("fourward blur")
rel_page = ReleasePage(res_page.GetReleaseList()[0])
res_page = ResultPage("hhhhhhhh")
if __name__ == "__main__":
ModuleTest()