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Store/search CIDR prefixes in a trie structure.

Project description

Store CIDR IP addresses (both v4 and v6) in a trie for easy lookup.

Read the documentation here.

Installation

  • Using pip:
$ pip install cidr-trie
  • From source (Git):
$ git clone https://github.com/Figglewatts/cidr-trie.git
$ cd cidr-trie
$ python setup.py install
  • From source (PyPI):
$ wget https://files.pythonhosted.org/packages/6b/53/118c09dc2c294f41b12007634d53ed33219d15366ea8a1903fb98eb47c25/cidr_trie-1.0.tar.gz
$ tar xvf cidr_trie-1.0.tar.gz
$ cd cidr_trie-1.0
$ python setup.py install

Usage

cidr-trie can be used to build a trie of IP networks, storing data on each node. The stored data can be of any type. Shown here is an example of building both IPv4 and IPv6 tries with data, and then retrieving data from both tries.

from cidr_trie import PatriciaTrie

# --- supports IPv4 ---
trie = PatriciaTrie()
trie.insert("0.0.0.0/0", "Internet")
trie.insert("32.0.0.0/9", "RIR-A")
trie.insert("32.128.0.0/9", "RIR-B")
trie.insert("32.32.0.0/16", "another")
trie.insert("32.32.32.0/24", "third")
trie.insert("32.32.32.32/32", "you")
trie.insert("192.168.0.1/32", "totally different")
trie.insert("33.0.0.0/8", "RIR3")
trie.insert("64.0.0.0/8", "RIR2")

# nodes: ['Internet', 'RIR-A', 'another', 'third', 'you']
nodes_for_prefix = trie.find_all("32.32.32.32")

# prints "Internet, RIR-A, another, third, you"
print(', '.join(n.value for n in nodes_for_prefix))

# nodes: ['Internet', 'totally different']
trie.find_all("192.168.0.1/32")

# nodes: ['Internet', 'RIR-B']
trie.find_all("32.192.0.0/10")

# --- supports IPv6 ---
trie = PatriciaTrie()
trie.insert("::/0", "Internet")
trie.insert("1234::/16", "Test")
trie.insert("1234:1001::/32", "Another one")
trie.insert("1234:1001:1920::/48", "A third")
trie.insert("1234:1001:1920:2000:2020::/96", "A fourth")
trie.insert("1234:1001:1920::ffff", "A different one")

# nodes: ['Internet', 'Test', 'Another one', 'A third', 'A fourth']
trie.find_all("1234:1001:1920:2000:2020::/128")

# nodes: ['Internet', 'Test', 'Another one', 'A third', 'A different one']
trie.find_all("1234:1001:1920::ffff")

Project details


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Files for cidr-trie, version 3.1.2
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