def test_prefix(self):
trieobj = trie.trie()
trieobj["hello"] = 5
trieobj["he"] = 7
trieobj["hej"] = 9
trieobj["foo"] = "bar"
k = sorted(trieobj.keys())
self.assertEqual(k, ["foo", "he", "hej", "hello"])
self.assertEqual(trieobj["hello"], 5)
self.assertEqual(trieobj.get("bye"), None)
self.assertEqual(trieobj.has_key("hello"), True)
self.assertEqual(trieobj.has_key("he"), True)
self.assertEqual(trieobj.has_key("bye"), False)
self.assertEqual(trieobj.has_prefix("h"), True)
self.assertEqual(trieobj.has_prefix("hel"), True)
self.assertEqual(trieobj.has_prefix("foa"), False)
self.assertEqual(trieobj.has_prefix("hello world"), False)
self.assertEqual(len(trieobj), 4)
k = sorted(trieobj.with_prefix("he"))
self.assertEqual(k, ["he", "hej", "hello"])
k = trieobj.with_prefix("l")
self.assertEqual(k, [])
k = trieobj.with_prefix("hej")
self.assertEqual(k, ["hej"])
k = trieobj.with_prefix("hejk")
self.assertEqual(k, [])
def test_save(self):
trieobj = trie.trie()
trieobj["foo"] = 1
k = list(trieobj.keys())
self.assertEqual(k, ["foo"])
v = list(trieobj.values())
self.assertEqual(v, [1])
self.assertEqual(trieobj.get("bar", 99), 99)
trieobj["hello"] = '55a'
self.assertEqual(trieobj.get_approximate("foo", 0), [("foo", 1, 0)])
self.assertEqual(trieobj.get_approximate("foo", 1), [("foo", 1, 0)])
self.assertEqual(trieobj.get_approximate("foa", 0), [])
self.assertEqual(trieobj.get_approximate("foa", 1), [("foo", 1, 1)])
x = sorted(trieobj.get_approximate("foa", 2))
self.assertEqual(x, [("foo", 1, 1), ("foo", 1, 2), ("foo", 1, 2)])
# foo foo- foo-
# foa f-oa fo-a
# mismatch a->o
# insertion after f, deletion of o
# insertion after o, deletion of o
x = trieobj.get_approximate("foo", 4)
y = {}
for z in x:
y[z] = y.get(z, 0) + 1
x = sorted(y.items())
self.assertEqual(x, [(('foo', 1, 0), 1), (('hello', '55a', 4), 6)])
h = BytesIO()
trie.save(h, trieobj)
h.seek(0)
trieobj = trie.load(h)
k = list(trieobj.keys())
self.assertTrue("foo" in k)
self.assertTrue("hello" in k)
self.assertEqual(repr(trieobj["foo"]), '1')
self.assertEqual(repr(trieobj["hello"]), "'55a'")
def test_large_save_load(self):
"""Generate random key/val pairs in three length categories.
100 items in each category. Insert them into a trie and into a reference dict.
Write the trie to a temp file and read it back, verify that trie entries match
the reference dict.
"""
cmp_dict = {}
trieobj = trie.trie()
self.assertEqual(trieobj.get("foobar"), None)
for max_str_len in [100, 1000, 10000]:
cmp_dict = {}
for i in range(1000):
key = ''.join([
random.choice(ascii_lowercase) for _ in range(max_str_len)
])
val = ''.join([
random.choice(ascii_lowercase) for _ in range(max_str_len)
])
trieobj[key] = val
cmp_dict[key] = val
for key in cmp_dict:
self.assertEqual(trieobj[key], cmp_dict[key])
with tempfile.TemporaryFile(mode='w+b') as f:
trie.save(f, trieobj)
f.seek(0)
trieobj = trie.load(f)
for key in cmp_dict:
self.assertEqual(trieobj[key], cmp_dict[key])
def test_save(self):
trieobj = trie.trie()
trieobj["foo"] = 1
k = trieobj.keys()
self.assertEqual(k, ["foo"])
v = trieobj.values()
self.assertEqual(v, [1])
self.assertEqual(trieobj.get("bar", 99), 99)
trieobj["hello"] = "55a"
self.assertEqual(trieobj.get_approximate("foo", 0), [("foo", 1, 0)])
self.assertEqual(trieobj.get_approximate("foo", 1), [("foo", 1, 0)])
self.assertEqual(trieobj.get_approximate("foa", 0), [])
self.assertEqual(trieobj.get_approximate("foa", 1), [("foo", 1, 1)])
x = sorted(trieobj.get_approximate("foa", 2))
self.assertEqual(x, [("foo", 1, 1), ("foo", 1, 2), ("foo", 1, 2)])
# foo foo- foo-
# foa f-oa fo-a
# mismatch a->o
# insertion after f, deletion of o
# insertion after o, deletion of o
x = trieobj.get_approximate("foo", 4)
y = {}
for z in x:
y[z] = y.get(z, 0) + 1
x = sorted(y.items())
self.assertEqual(x, [(("foo", 1, 0), 1), (("hello", "55a", 4), 6)])
h = StringIO()
trie.save(h, trieobj)
h.seek(0)
trieobj = trie.load(h)
k = trieobj.keys()
self.assertTrue("foo" in k)
self.assertTrue("hello" in k)
self.assertEqual(repr(trieobj["foo"]), "1")
self.assertEqual(repr(trieobj["hello"]), "'55a'")
def get_list_of_candidates(target_string, PAM, gRNA_length, exclude_stop_codons, consider_negative, alt_pams):
target = target_string
if consider_negative:
target_rev = reverse_complement(target)
if alt_pams is None:
PAMs = NFiller(PAM).get_list()
else:
for pam in alt_pams:
if len(pam) != 3:
raise ValueError('Length of one or more PAMs not set to 3')
for character in pam:
if character != 'A' and character != 'C' and character != 'G' and character != 'T':
raise ValueError('Invalid PAM has been entered')
PAMs = alt_pams
candidates_rev = []
candidates = []
for PAM in PAMs:
candidates.extend(find_candidates(target, PAM, gRNA_length))
if consider_negative:
candidates_rev.extend(find_candidates(target_rev, PAM, gRNA_length))
trie_dic = trie.trie()
for candidate in candidates:
key = candidate[1]
if exclude_stop_codons and ('TAG' in key or 'TAA' in key or 'TGA' in key):
continue
if key not in trie_dic.keys():
trie_dic[key] = '+'
for candidate in candidates_rev:
if exclude_stop_codons and ('TAG' in candidate[1] or 'TAA' in candidate[1] or 'TGA' in candidate[1]):
continue
key = reverse_complement(candidate[1])
if key not in trie_dic.keys():
trie_dic[key] = '-'
return trie_dic
def test_find(self):
from Bio import triefind
trieobj = trie.trie()
trieobj["hello"] = 5
trieobj["he"] = 7
trieobj["hej"] = 9
trieobj["foo"] = "bar"
trieobj["wor"] = "ld"
self.assertEqual(triefind.match("hello world!", trieobj), "hello")
k = triefind.match_all("hello world!", trieobj)
k.sort()
self.assertEqual(k, ["he", "hello"])
k = triefind.find("hello world!", trieobj)
k.sort()
self.assertEqual(k, [("he", 0, 2), ("hello", 0, 5), ("wor", 6, 9)])
k = triefind.find_words("hello world!", trieobj)
k.sort()
self.assertEqual(k, [("hello", 0, 5)])
trieobj["world"] = "full"
k = triefind.find("hello world!", trieobj)
k.sort()
self.assertEqual(k, [("he", 0, 2), ("hello", 0, 5), ("wor", 6, 9),
("world", 6, 11)])
k = triefind.find_words("hello world!", trieobj)
k.sort()
self.assertEqual(k, [("hello", 0, 5), ("world", 6, 11)])
def parse_barcode_file(fp, primer=None, header=False):
"""
Load label, barcode, primer records from a CSV file.
Returns a map from barcode -> label
Any additional columns are ignored
"""
tr = trie.trie()
reader = csv.reader(fp)
if header:
# Skip header
next(reader)
# Skip blank rows
records = (record for record in reader if record)
for record in records:
specimen, barcode = record[:2]
if primer is not None:
pr = primer
else:
pr = record[2]
for sequence in all_unambiguous(barcode + pr):
if tr.has_key(sequence):
raise ValueError("Duplicate sample: {0}, {1} both have {2}",
specimen, tr[sequence], sequence)
logging.info('%s->%s', sequence, specimen)
tr[sequence] = specimen
return tr
def test_large_save_load(self):
"""Generate random key/val pairs in three length categories.
100 items in each category. Insert them into a trie and into a reference dict.
Write the trie to a temp file and read it back, verify that trie entries match
the reference dict.
"""
cmp_dict = {}
trieobj = trie.trie()
self.assertEqual(trieobj.get("foobar"), None)
for max_str_len in [100, 1000, 10000]:
cmp_dict = {}
for i in range(1000):
key = ''.join([random.choice(ascii_lowercase) for _ in range(max_str_len)])
val = ''.join([random.choice(ascii_lowercase) for _ in range(max_str_len)])
trieobj[key] = val
cmp_dict[key] = val
for key in cmp_dict:
self.assertEqual(trieobj[key], cmp_dict[key])
with tempfile.TemporaryFile(mode='w+b') as f:
trie.save(f, trieobj)
f.seek(0)
trieobj = trie.load(f)
for key in cmp_dict:
self.assertEqual(trieobj[key], cmp_dict[key])
def test_prefix(self):
trieobj = trie.trie()
trieobj["hello"] = 5
trieobj["he"] = 7
trieobj["hej"] = 9
trieobj["foo"] = "bar"
k = sorted(trieobj.keys())
self.assertEqual(k, ["foo", "he", "hej", "hello"])
self.assertEqual(trieobj["hello"], 5)
self.assertEqual(trieobj.get("bye"), None)
self.assertTrue("hello" in trieobj)
self.assertTrue("he" in trieobj)
self.assertFalse("bye" in trieobj)
self.assertTrue(trieobj.has_prefix("h"))
self.assertTrue(trieobj.has_prefix("hel"))
self.assertFalse(trieobj.has_prefix("foa"))
self.assertFalse(trieobj.has_prefix("hello world"))
self.assertEqual(len(trieobj), 4)
k = sorted(trieobj.with_prefix("he"))
self.assertEqual(k, ["he", "hej", "hello"])
k = trieobj.with_prefix("l")
self.assertEqual(k, [])
k = trieobj.with_prefix("hej")
self.assertEqual(k, ["hej"])
k = trieobj.with_prefix("hejk")
self.assertEqual(k, [])
def parse_barcode_file(fp, primer=None, header=False):
"""
Load label, barcode, primer records from a CSV file.
Returns a map from barcode -> label
Any additional columns are ignored
"""
tr = trie.trie()
reader = csv.reader(fp)
if header:
# Skip header
next(reader)
# Skip blank rows
records = (record for record in reader if record)
for record in records:
specimen, barcode = record[:2]
if primer is not None:
pr = primer
else:
pr = record[2]
for sequence in all_unambiguous(barcode + pr):
if sequence in tr:
raise ValueError("Duplicate sample: {0}, {1} both have {2}",
specimen, tr[sequence], sequence)
logging.info('%s->%s', sequence, specimen)
tr[sequence] = specimen
return tr
def test_find(self):
from Bio import triefind
trieobj = trie.trie()
trieobj["hello"] = 5
trieobj["he"] = 7
trieobj["hej"] = 9
trieobj["foo"] = "bar"
trieobj["wor"] = "ld"
self.assertEqual(triefind.match("hello world!", trieobj), "hello")
k = triefind.match_all("hello world!", trieobj)
k.sort()
self.assertEqual(k, ["he", "hello"])
k = triefind.find("hello world!", trieobj)
k.sort()
self.assertEqual(k, [("he", 0, 2), ("hello", 0, 5), ("wor", 6, 9)])
k = triefind.find_words("hello world!", trieobj)
k.sort()
self.assertEqual(k, [("hello", 0, 5)])
trieobj["world"] = "full"
k = triefind.find("hello world!", trieobj)
k.sort()
self.assertEqual(k, [("he", 0, 2), ("hello", 0, 5), ("wor", 6, 9), ("world", 6, 11)])
k = triefind.find_words("hello world!", trieobj)
k.sort()
self.assertEqual(k, [("hello", 0, 5), ("world", 6, 11)])
def test_get_approximate(self):
# Found bug, doesn't handle insertions and deletions at end properly.
trieobj = trie.trie()
trieobj["hello"] = 1
self.assertEqual(trieobj.get_approximate('he', 2), [])
self.assertEqual(trieobj.get_approximate('he', 3), [('hello', 1, 3)])
self.assertEqual(trieobj.get_approximate('hello me!', 3), [])
self.assertEqual(trieobj.get_approximate('hello me!', 4), [('hello', 1, 4)])
self.assertEqual(trieobj.get_approximate('hello me!', 5), [('hello', 1, 4)])
def test_get_approximate(self):
# Found bug, doesn't handle insertions and deletions at end properly.
trieobj = trie.trie()
trieobj["hello"] = 1
self.assertEqual(trieobj.get_approximate("he", 2), [])
self.assertEqual(trieobj.get_approximate("he", 3), [("hello", 1, 3)])
self.assertEqual(trieobj.get_approximate("hello me!", 3), [])
self.assertEqual(trieobj.get_approximate("hello me!", 4), [("hello", 1, 4)])
self.assertEqual(trieobj.get_approximate("hello me!", 5), [("hello", 1, 4)])
def __init__(self):
triefind.DEFAULT_BOUNDARY_CHARS = triefind.DEFAULT_BOUNDARY_CHARS.translate(None, utils.INCHI_SPECIAL_CHARS)
self.index = trie.trie()
for inchi in CompoundStructures.objects.all().values_list('standard_inchi', 'molecule_id'):
for chunk in inchi[0].split('/')[1:]:
if len(chunk) > 2:
if self.index.get(str(chunk)):
self.index[str(chunk)].append(inchi[1])
else:
self.index[str(chunk)] = [inchi[1]]
def test_with_prefix(self):
trieobj = trie.trie()
s = "BANANA"
for i in range(len(s)): # insert all suffixes into trie
trieobj[s[i:]] = i
self.assertEqual(trieobj[s[i:]], i)
self.assertEqual(set(trieobj.values()), set(range(6)))
self.assertEqual(set(["A", "ANA", "ANANA", "BANANA", "NA", "NANA"]), set(trieobj.keys()))
self.assertEqual(set(["NA", "NANA"]), set(trieobj.with_prefix("N")))
self.assertEqual(set(["NA", "NANA"]), set(trieobj.with_prefix("NA")))
self.assertEqual(set(["A", "ANA", "ANANA"]), set(trieobj.with_prefix("A")))
self.assertEqual(set(["ANA", "ANANA"]), set(trieobj.with_prefix("AN")))
def test_with_prefix(self):
trieobj = trie.trie()
s = "BANANA"
for i in range(len(s)): # insert all suffixes into trie
trieobj[s[i:]] = i
self.assertEqual(trieobj[s[i:]], i)
self.assertEqual(set(trieobj.values()), set(range(6)))
self.assertEqual({'A', 'ANA', 'ANANA', 'BANANA', 'NA', 'NANA'},
set(trieobj.keys()))
self.assertEqual({'NA', 'NANA'}, set(trieobj.with_prefix("N")))
self.assertEqual({'NA', 'NANA'}, set(trieobj.with_prefix("NA")))
self.assertEqual({'A', 'ANA', 'ANANA'}, set(trieobj.with_prefix("A")))
self.assertEqual({'ANA', 'ANANA'}, set(trieobj.with_prefix("AN")))
def test_get_set(self):
trieobj = trie.trie()
trieobj["hello world"] = "s1"
trieobj["bye"] = "s2"
trieobj["hell sucks"] = "s3"
trieobj["hebee"] = "s4"
self.assertEqual(trieobj["hello world"], "s1")
self.assertEqual(trieobj["bye"], "s2")
self.assertEqual(trieobj["hell sucks"], "s3")
self.assertEqual(trieobj["hebee"], "s4")
trieobj["blah"] = "s5"
self.assertEqual(trieobj["blah"], "s5")
self.assertEqual(trieobj.get("foobar"), None)
self.assertEqual(len(trieobj), 5)
trieobj["blah"] = "snew"
self.assertEqual(trieobj["blah"], "snew")
def test_get_set(self):
trieobj = trie.trie()
trieobj["hello world"] = "s1"
trieobj["bye"] = "s2"
trieobj["hell sucks"] = "s3"
trieobj["hebee"] = "s4"
self.assertEqual(trieobj["hello world"], "s1")
self.assertEqual(trieobj["bye"], "s2")
self.assertEqual(trieobj["hell sucks"], "s3")
self.assertEqual(trieobj["hebee"], "s4")
trieobj["blah"] = "s5"
self.assertEqual(trieobj["blah"], "s5")
self.assertEqual(trieobj.get("foobar"), None)
self.assertEqual(len(trieobj), 5)
trieobj["blah"] = "snew"
self.assertEqual(trieobj["blah"], "snew")
def construct_complex_trie(counter, lengths=None):
t = trie.trie()
seqs = list(counter)
seqs.sort(key=len, reverse=True)
if lengths is None:
lengths = sorted(set([len(k) for k in seqs]))
for seq in seqs:
seq_len = len(seq)
for l in lengths:
if l > seq_len: continue
for subseq in chunker(seq, l):
if t.has_key(subseq): continue
if subseq == seq:
t[seq] = counter[seq]
else:
t[subseq] = seq
return t
def gen_seq_tries(seqs, tol):
# New: don't allow detection of any sequences whose length is equal to or
# less than the tolerance. This prevents weird behavior and should be a
# reasonable assumption for pretty much all use cases.
# Newer: make sure sequences are at least of length 2. I think this is
# necessitated by the new ability to specify the tolerance as a fraction,
# so a length 0 sequence would slip through here.
seqs = [seq for seq in seqs if len(seq) > max(tol, 2)]
lengths = list(set([len(seq) for seq in seqs]))
lengths.sort(key = lambda x: -x)
trie_list = [trie() for i in range(len(lengths))]
len_dict = {x:i for i,x in enumerate(lengths)}
for seq in seqs:
trie_list[len_dict[len(seq)]][seq] = 0
# Returns a list of tries, one for each sequence length,
# sorted in descending order by sequence length.
# FUTURE PLAN: allow for the observed sequence to match a different length
# of reference sequence, basically so that insertions only cost 1 instead
# of 2.
return trie_list, lengths
def extract_peptides(sequences, min_length=7, max_length=20):
"""
Extract subsequences from full protein sequences, and return dictionary
mapping each kmer to its source sequences.
Parameters
----------
sequences : list of Sequence
All generated protein sequences
min_length : int
Smallest peptide length to include
max_length : int
Largest peptide length to include
Returns
-------
Dictionary from str to list of Sequence objects which contained that peptide
"""
from Bio.trie import trie
peptide_dict = trie()
for sequence_obj in progressbar(sequences):
amino_acids = sequence_obj.amino_acids
n_aa = len(amino_acids)
already_seen_for_protein = set()
for i in range(n_aa - min_length + 1):
longest_peptide = amino_acids[i:i + max_length]
longest_peptide_length = len(longest_peptide)
for k in range(min_length, longest_peptide_length):
kmer = longest_peptide[:k]
if kmer not in already_seen_for_protein:
already_seen_for_protein.add(kmer)
if kmer in peptide_dict:
peptide_dict[kmer].append(sequence_obj)
else:
peptide_dict[kmer] = [sequence_obj]
return peptide_dict
def resetSignatureDataStructure(self):
self.signatureTrie, self.isEmpty = trie.trie(), True
def construct_simple_trie(counter):
t = trie.trie()
for seq, count in counter.iteritems():
t[seq] = count
return t
#!/usr/bin/env python
import StringIO
from operator import truth
from Bio import trie
from Bio import triefind
trieobj = trie.trie()
trieobj["hello"] = 5
trieobj["he"] = 7
trieobj["hej"] = 9
trieobj["foo"] = "bar"
trieobj["wor"] = "ld"
print triefind.match("hello world!", trieobj) # "hello"
k = triefind.match_all("hello world!", trieobj)
k.sort()
print k # ["he", "hello"]
k = triefind.find("hello world!", trieobj)
k.sort()
print k # [("he", 0, 2), ("hello", 0, 5), ("wor", 6, 9)]
k = triefind.find_words("hello world!", trieobj)
k.sort()
print k # [("hello", 0, 5)]
trieobj["world"] = "full"
k = triefind.find("hello world!", trieobj)
def setUp(self):
self.tr = trie.trie()
self.tr['1000']=12;self.tr['1011']=12; self.tr['1010']=12
def setUp(self):
self.tr = trie.trie()
self.tr['1000'] = 12
self.tr['1011'] = 12
self.tr['1010'] = 12
# How to perform efficient membership search on very large datasets in Python from Bio import trie tr = trie.trie()
def generate_adjacent_mers(sequence, max_hamming_distance):
alphabet = 'AGCT'
t = trie.trie()
hamming_ball(sequence, max_hamming_distance, alphabet, t)
return t
from Bio import trie #trie from the Biopython computational molecular biology library
run_time = time.time()
def t9_prediction(string, t9):
"""Return all the keys in the trie that match anywhere in the string."""
for word in t.with_prefix(string):
if len(word) == len(string):
t9.append(word)
return t9
#words = [line.strip() for line in open("/home/n/work/py/VR/t9/english.txt", "rb")]
words = [line.strip() for line in open(sys.argv[1], "rb")]
t = trie.trie()
for word in words:
t[word] = 1
mapping = {1:["'"], 2:["a", "A", "b", "B", "c", "C"], \
3:["d", "D", "e", "E", "f", "F"], \
4:["g", "G", "h", "H", "i", "I"], \
5:["j", "J", "k", "K", "l", "L"], \
6:["m", "M", "n", "N", "o", "O"], \
7:["p", "P", "q", "Q", "r", "R", "s","S"], \
8:["t", "T", "u", "U", "v", "V"], \
9:["w", "W", "x", "X", "y", "Y", "z","Z"]} \
while True:
try:
my_inputs = [int(i) for i in raw_input("Enter space separated inputs: ").split()]
import StringIO
from operator import truth
try :
from Bio import trie
except ImportError :
import os
from Bio import MissingExternalDependencyError
if os.name=="java" :
message = "Not available on Jython, Bio.trie requires compiled C code."
else :
message = "Could not import Bio.trie, check C code was compiled."
raise MissingExternalDependencyError(message)
trieobj = trie.trie()
trieobj["hello"] = 5
trieobj["he"] = 7
trieobj["hej"] = 9
trieobj["foo"] = "bar"
k = trieobj.keys()
k.sort()
print k # ["foo", "he", "hej", "hello"]
print trieobj["hello"] # 5
print trieobj.get("bye") # None
print trieobj.has_key("hello") # 1
print trieobj.has_key("he") # 1
print trieobj.has_key("bye") # 0
# How to perform efficient membership search on very large datasets in Python from Bio import trie tr = trie.trie()
from itertools import product
from Bio import trie
t = trie.trie()
dictionary = [word.strip() for word in open("dictionary.txt", "rb")]
for word in dictionary:
t[word] = len(word)
t9Map = {
1: [""],
2: ["a", "b", "c"],
3: ["d", "e", "f"],
4: ["g", "h", "i"],
5: ["j", "k", "l"],
6: ["m", "n", "o"],
7: ["p", "q", "r", "s"],
8: ["t", "u", "v"],
9: ["w", "x", "y", "z"]
}
print "Enter a number:"
input = input()
strings = []
for char in str(input):
strings.append(t9Map[int(char)])
result = []
for all in product(
*(x for x in strings
def __init__ (self):
self.index = trie.trie ()
self.modified = True
def resetSignatureDataStructure(self): self.signatureTrie, self.isEmpty = trie.trie(), True
class SignaturePermutationWithSortedList(Permutation):
try :
from Bio import trie
except ImportError :
import os
from Bio import MissingExternalDependencyError
if os.name=="java" :
message = "Not available on Jython, Bio.trie requires compiled C code."
else :
message = "Could not import Bio.trie, check C code was compiled."
raise MissingExternalDependencyError(message)
from Bio import triefind
trieobj = trie.trie()
trieobj["hello"] = 5
trieobj["he"] = 7
trieobj["hej"] = 9
trieobj["foo"] = "bar"
trieobj["wor"] = "ld"
print triefind.match("hello world!", trieobj) # "hello"
k = triefind.match_all("hello world!", trieobj)
k.sort()
print k # ["he", "hello"]
k = triefind.find("hello world!", trieobj)
k.sort()
print k # [("he", 0, 2), ("hello", 0, 5), ("wor", 6, 9)]
#!/usr/bin/env python
import StringIO
from operator import truth
from Bio import trie
trieobj = trie.trie()
trieobj["hello"] = 5
trieobj["he"] = 7
trieobj["hej"] = 9
trieobj["foo"] = "bar"
k = trieobj.keys()
k.sort()
print k # ["foo", "he", "hej", "hello"]
print trieobj["hello"] # 5
print trieobj.get("bye") # None
print trieobj.has_key("hello") # 1
print trieobj.has_key("he") # 1
print trieobj.has_key("bye") # 0
print trieobj.has_prefix("h") # 1
print trieobj.has_prefix("hel") # 1
print trieobj.has_prefix("foa") # 0
print trieobj.has_prefix("hello world") # 0
print len(trieobj) # 4
import argparse
import os
import sys
import platform
from Bio import trie
from Bio import triefind
# Quick check for either linux or OSX
if platform.system() == "Linux":
prefix = "/home/tabboud"
else:
prefix = "/Users/tabboud"
DROPBOX_DIR = prefix + '/Dropbox'
IGNORE_FILE = '.dbignore'
cache = trie.trie()
def cache_patterns(ignore_file):
""" Open and read the patterns in an ignore file
Args:
ignore_file: IgnoreFile object
NOTES:
see dir.c:add_excludes for reading the file and storing the patterns in
el
"""
ignore_path = ignore_file.path
if not os.path.isfile(ignore_path):
print "ERROR: %s is not a file" % ignore_path
return
with open(ignore_path, 'r') as fp:
for pattern in fp.readlines():