init

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+*.swp
+*.torrent

fake-tracker.py

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+#! /usr/bin/env python
+
+import torrentfile
+import torrententry
+
+for file in ('torrent.torrent', 'torrent2.torrent'):
+    torrent = torrentfile.TorrentFile()
+    torrent.readFile(file)
+    print torrent.getSize()
+    print torrent.getTracker()
+    print torrent.getHash()

torrententry.py

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+#! /usr/bin/env python
+
+class TorrentEntry:
+    name = ""
+    size = 0
+    def __init__(self, name, size):
+        self.name = str(name)
+        self.size = int(size)
+
+    def __str__(self):
+        return self.name + " " + str(self.size)
+
+    def __repr__(self):
+        return self.__str__()
+
+    def getName(self):
+        return self.name
+
+    def getSize(self):
+        return self.size

torrentfile.py

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+#! /usr/bin/env python
+
+import os
+import hashlib
+import bencode
+import torrententry
+
+class TorrentFile:
+    data = ()
+    info = ()
+    def readFile(self, path):
+        with open(path, 'rb') as f:
+            bencoded = f.read()
+        self.readBencoded(bencoded)
+
+    def readBencoded(self, data):
+        self.data = bencode.bdecode(data)
+        self.info = self.data['info']
+
+    def getName(self):
+        return self.data['name']
+
+    def getFiles(self):
+        if 'files' in self.info:
+            files = []
+            for file in self.info['files']:
+                files.append(torrententry.TorrentEntry(os.sep.join(file['path']), file['length']))
+            return files
+        else:
+            return [torrententry.TorrentEntry(self.info['name'], self.info['length'])]
+
+    def getSize(self):
+        size = 0
+        for file in self.getFiles():
+            size += file.getSize()
+        return size
+
+    def getTracker(self):
+        return self.data['announce']
+
+    def getHash(self):
+        bencoded = bencode.bencode(self.info)
+        return hashlib.sha1(bencoded).hexdigest()