Text_Analysis_Technobabble/htm-process.py at master · dorehaus/Text_Analysis_Technobabble · GitHub

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#Writes contents of webpage to text file
#saves to folder 'scripts_voyager_preprocessed'
import urllib.request
from bs4 import BeautifulSoup
import os

#initialize episode urls for download
a =["http://www.chakoteya.net/Voyager/" + str(i) + ".htm" for i in range(101,117)]
b =["http://www.chakoteya.net/Voyager/" + str(i) + ".htm" for i in range(201,226)]
c =["http://www.chakoteya.net/Voyager/" + str(i) + ".htm" for i in range(301,322)]
d =["http://www.chakoteya.net/Voyager/" + str(i) + ".htm" for i in range(401,427)]
e =["http://www.chakoteya.net/Voyager/" + str(i) + ".htm" for i in range(501,527)]
f =["http://www.chakoteya.net/Voyager/" + str(i) + ".htm" for i in range(601,627)]
g =["http://www.chakoteya.net/Voyager/" + str(i) + ".htm" for i in range(701,727)]
voyager_all = []
for x in [a,b,c,d,e,f,g]:
  voyager_all.extend(x)

tng_all = ["http://www.chakoteya.net/NextGen/" + str(i) + ".htm" for i in range(102,278)]

ent_1 = ["http://www.chakoteya.net/Enterprise/0" + str(i) + ".htm" for i in range(1,10)] #add the 0 before 1-9
ent_2 = ["http://www.chakoteya.net/Enterprise/" + str(i) + ".htm" for i in range(10,98)]
enterprise_all = ent_1 + ent_2

dsnine_all = ["http://www.chakoteya.net/DS9/" + str(i) + ".htm" for i in range(401,576)]

tos_all = ["http://www.chakoteya.net/StarTrek/" + str(i) + ".htm" for i in range(1,80)]


#set path to data/ for reset after each series downloads
my_path = os.path.abspath(os.path.dirname(__file__))

def is_dir(dirname):
  if os.path.isdir(dirname):
    pass
  else:
    os.mkdir(dirname)

def preprocess(series, prefix):

  os.chdir(os.path.join(my_path), "data")

  is_dir("data")

  fo_dir = "_".join(["scripts", prefix])
  is_dir(fo_dir)
  os.chdir(fo_dir)

  ep_count = 0

  for idx in series:
    htmlSource = ''

    try:
      with urllib.request.urlopen(idx) as response:
        htmlSource = response.read()
        soup = BeautifulSoup(htmlSource, "lxml")

      text = soup.get_text()
      lines = text.split("\n")
      lines = [l for l in lines if l!='']

      fname = idx.rsplit("/")[-1]
      fname = fname.strip(".htm")
      fname = fname + ".txt"

##      outfile = os.path.join("_".join([scripts, prefix, "preprocessed"]), fname)
##
##      print(outfile)
      outfile = fname

      with open(outfile, 'w', encoding='utf-8') as fo:
        for line in lines:
          fo.write(line)
          fo.write("\n")

      ep_count += 1

    except urllib.error.HTTPError: #for episode numbers that do not exist
      print("idx ", idx,  "raised urllib.error.HTTPError:")
      continue

def preprocess_all():
  '''Call this function to download scripts from chakotay.net
          for each respective series'''
  preprocess(tng_all, "NextGen")
  preprocess(voyager_all, "Voyager")
  preprocess(dsnine_all, "DSNine")
  preprocess(enterprise_all, "Enterprise")
  preprocess(tos_all, "TOS")


def download_scripts(series="NextGen", episode_list=tng_all):
  '''Alternate method of downloading scripts'''

  fo_dir = "_".join(["scripts", series, "preprocessed"])

  for idx in episode_list:
    htmlSource = ''

    try:
      with urllib.request.urlopen(idx) as response:
        htmlSource = response.read()
        soup = BeautifulSoup(htmlSource, "lxml")

      text = soup.get_text()
      lines = text.split("\n")
      lines = [l for l in lines if l!='']


      outfile = get_fo_name(idx, fo_dir)

      print(outfile)

      with open(outfile, 'w', encoding='utf-8') as fo:
        for line in lines:
          fo.write(line)
          fo.write("\n")

      ep_count += 1

    except urllib.error.HTTPError:
      print("idx ", "raised urllib.error.HTTPError:")
      continue


##download_scripts(series="NextGen", fo='scripts_tng_preprocessed')
##download_scripts(series="Voyager", fo='scripts_voyager_preprocessed')
##download_scripts(series="Enterprise", fo='scripts_enterprise_preprocessed')#01-98
##download_scripts(series="DS9", fo='scripts_deepspacenine_preprocessed')#401-576
##download_scripts(series="TOS", fo='scripts_startrek_preprocessed')#1-80