update default trackers and add index for multistream

.idea/.gitignore

@@ -1,8 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Datasource local storage ignored files
-/../../../../:\dev\wmfb\.idea/dataSources/
-/dataSources.local.xml
-# Editor-based HTTP Client requests
-/httpRequests/

.idea/misc.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.8 (wmfb)" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9 (wmfb)" project-jdk-type="Python SDK" />
 </project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.idea/wmfb.iml

@@ -4,7 +4,7 @@
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/venv" />
     </content>
-    <orderEntry type="jdk" jdkName="Python 3.8 (wmfb)" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Python 3.9 (wmfb)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>

main.py

@@ -1,3 +1,4 @@
+import os
 import sys
 import re
 import hashlib
@@ -13,8 +14,8 @@ mirrors = ['https://dumps.wikimedia.org',
            'https://ftp.acc.umu.se/mirror/wikimedia.org/dumps',
            'https://dumps.wikimedia.your.org']
 trackers = ['udp://tracker.opentrackr.org:1337/announce',
-            'udp://tracker.coppersurfer.tk:6969',
-            'udp://tracker.leechers-paradise.org:6969']
+            'udp://tracker.openbittorrent.com:6969',
+            'udp://explodie.org:6969']
 prev_progress = 0
 
 
@@ -47,19 +48,29 @@ def main():
     if recombine['status'] != 'done':
         print('"articles dump recombine" job is not done yet!')
         sys.exit(-1)
-    expected_file_name = f'{db}-{date}-pages-articles-multistream.xml.bz2'
-    file = recombine['files'][expected_file_name]
-    path = file['url']
-    download_file(expected_file_name, f'{mirror}{path}', file['size'])
-    verify_checksum(expected_file_name, file['sha1'], file['size'])
-    webseeds = [
-        f'{mirrors[0]}{path}',
-        f'{mirrors[1]}{path}',
-    ]
-    torrent = Torrent(path=expected_file_name, webseeds=webseeds, trackers=trackers)
+    dir_name = f'{db}-{date}-pages-articles-multistream'
+    try:
+        os.mkdir(dir_name)
+    except OSError as error:
+        print(error)
+    expected_file_name1 = f'{db}-{date}-pages-articles-multistream-index.txt.bz2'
+    file1 = recombine['files'][expected_file_name1]
+    path1 = file1['url']
+    download_file(f'{dir_name}/{expected_file_name1}', f'{mirror}{path1}', file1['size'])
+    verify_checksum(f'{dir_name}/{expected_file_name1}', file1['sha1'], file1['size'])
+    expected_file_name2 = f'{db}-{date}-pages-articles-multistream.xml.bz2'
+    file2 = recombine['files'][expected_file_name2]
+    path2 = file2['url']
+    download_file(f'{dir_name}/{expected_file_name2}', f'{mirror}{path2}', file2['size'])
+    verify_checksum(f'{dir_name}/{expected_file_name2}', file2['sha1'], file2['size'])
+    # webseeds = [
+    #     f'{mirrors[0]}{path}',
+    #     f'{mirrors[1]}{path}',
+    # ]
+    torrent = Torrent(path=dir_name, trackers=trackers)
     print('Creating torrent file...', end='')
     torrent.generate()
-    torrent.write(f'{expected_file_name}.torrent')
+    torrent.write(f'{dir_name}.torrent')
     print('Done')
 
 
@@ -76,7 +87,7 @@ def date_format(date):
 
 
 def verify_checksum(filename, expected, size):
-    print(f'Checking checksum of {filename} ', end='')
+    print(f'Checking checksum of {filename} ', end='', flush=True)
     show_progress(0)
     h = hashlib.sha1()
     one_percent = size / 100
@@ -91,9 +102,9 @@ def verify_checksum(filename, expected, size):
                 show_progress(int(done * 100 / size))
     rc = h.hexdigest()
     if rc != expected:
-        print(' Bad')
+        print(' Bad', flush=True)
         sys.exit(-1)
-    print(' Ok')
+    print(' Ok', flush=True)
 
 
 def get_job_state(base_uri, db, date, jobname):
@@ -113,7 +124,7 @@ def download_file(filename, uri, size):
             headers = {'Range': f'bytes={start_from}-'}
         else:
             headers = {}
-        print(f'Downloading {uri} ', end='')
+        print(f'Downloading {uri} ', end='', flush=True)
         one_percent = size / 100
         next_percent = start_from + one_percent
         show_progress(0)
@@ -129,17 +140,17 @@ def download_file(filename, uri, size):
                 if done >= next_percent:
                     next_percent += one_percent
                     show_progress(int(done * 100 / size))
-    print(" Done")
+    print(" Done", flush=True)
 
 
 def show_progress(percent: int):
     is_tty = sys.stdout.isatty()
     if percent == 0 and is_tty:
-        print('  0%', end='')
+        print('  0%', end='', flush=True)
     elif is_tty:
-        print(f"\033[4D{percent:3d}%", end='')
+        print(f"\033[4D{percent:3d}%", end='', flush=True)
     elif percent != 0:
-        print('.', end='')
+        print('.', end='', flush=True)
 
 
 def find_last_date(base_uri, db):