class FDRSet(
make_struct("FDRSet", [
'total_q_value', 'peptide_q_value', 'glycan_q_value',
'glycopeptide_q_value'
])):
__slots__ = ()
packer = struct.Struct("!ffff")
def pack(self):
return self.packer.pack(*self)
@classmethod
def unpack(cls, binary):
return cls(*cls.packer.unpack(binary))
@classmethod
def default(cls):
return cls(1.0, 1.0, 1.0, 1.0)
def __lt__(self, other):
if self.total_q_value < other.total_q_value:
return True
elif abs(self.total_q_value - other.total_q_value) > 1e-3:
return False
if self.peptide_q_value < other.peptide_q_value:
return True
elif abs(self.peptide_q_value - other.peptide_q_value) > 1e-3:
return False
if self.glycan_q_value < other.glycan_q_value:
return True
elif abs(self.glycan_q_value - other.glycan_q_value) > 1e-3:
return False
if self.glycopeptide_q_value < other.glycopeptide_q_value:
return True
return False
def __gt__(self, other):
if self.total_q_value > other.total_q_value:
return True
elif abs(self.total_q_value - other.total_q_value) > 1e-3:
return False
if self.peptide_q_value > other.peptide_q_value:
return True
elif abs(self.peptide_q_value - other.peptide_q_value) > 1e-3:
return False
if self.glycan_q_value > other.glycan_q_value:
return True
elif abs(self.glycan_q_value - other.glycan_q_value) > 1e-3:
return False
if self.glycopeptide_q_value > other.glycopeptide_q_value:
return True
return False
|int| or |None| if no match
'''
if exact:
comparator = exact_ordering_inclusion
else:
comparator = topological_inclusion
tree_root = root(subtree)
for node in tree:
if comparator(tree_root, node):
return node.id
return None
#: Results Container for :func:`maximum_common_subgraph`
MaximumCommonSubtreeResults = make_struct(
"MaximumCommonSubtreeResults", ("score", "tree", "similarity_matrix"))
def compare_nodes(node_a, node_b, include_substituents=True, exact=False, visited=None):
'''
Score the pair of `node_a` and `node_b` and all pairings of their children.
Returns
-------
float:
The similarity score between the input nodes
'''
if visited is None:
visited = set()
score = 0.
if (node_a.id, node_b.id) in visited: # pragma: no cover
from scipy.misc import comb
import numpy as np
import math
from collections import defaultdict
from glypy.utils import make_struct
#: Store whether a fragment was observed for the reducing or non-reducing end of a particular glycosidic bond
GlycosidicBondMatch = make_struct("GlycosidicBondMatch",
["reducing", "non_reducing"])
#: Store how many times a fragment was observed for the reducing, non-reducing, or non-bisecting cross-ring
#: permutations of a particular monosaccharide
CrossringMatch = make_struct("CrossringMatch",
["reducing", "non_reducing", "non_bisecting"])
def is_primary_fragment(f):
return f.break_count == 1
class FragmentScorer(object):
"""Score the data with respect to structure characterization.
Attributes
----------
crossring_map : dict
Mapping of residue id to CrossringMatch
crossring_score : float
Score derived from cross-ring coverage
from scipy.misc import comb
import numpy as np
import math
from collections import defaultdict
from glypy.utils import make_struct
#: Store whether a fragment was observed for the reducing or non-reducing end of a particular glycosidic bond
GlycosidicBondMatch = make_struct("GlycosidicBondMatch", ["reducing", "non_reducing"])
#: Store how many times a fragment was observed for the reducing, non-reducing, or non-bisecting cross-ring
#: permutations of a particular monosaccharide
CrossringMatch = make_struct("CrossringMatch", ["reducing", "non_reducing", "non_bisecting"])
def is_primary_fragment(f):
return f.break_count == 1
class FragmentScorer(object):
"""Score the data with respect to structure characterization.
Attributes
----------
crossring_map : dict
Mapping of residue id to CrossringMatch
crossring_score : float
Score derived from cross-ring coverage
final_score : float
node = self.get_model_node_for(scan, target, *args, **kwargs)
return node.model(scan, target, *args, **kwargs)
def load_peaks(self, scan):
return self.model.load_peaks(scan)
class SpectrumMatchClassification(Enum):
target_peptide_target_glycan = 0
target_peptide_decoy_glycan = 1
decoy_peptide_target_glycan = 2
decoy_peptide_decoy_glycan = decoy_peptide_target_glycan | target_peptide_decoy_glycan
_ScoreSet = make_struct(
"ScoreSet",
['glycopeptide_score', 'peptide_score', 'glycan_score', 'glycan_coverage'])
class ScoreSet(_ScoreSet):
__slots__ = ()
packer = struct.Struct("!ffff")
def __len__(self):
return 4
def __lt__(self, other):
if self.glycopeptide_score < other.glycopeptide_score:
return True
elif abs(self.glycopeptide_score - other.glycopeptide_score) > 1e-3:
return False
class partition_cell(make_struct("partition_cell", ("subset", "fit", "spec"))):
def __len__(self):
return len(self.subset)
None: identity,
"all": identity,
"top_n_peaks": top_n_peaks,
"percent_of_max": percent_of_max
}
crossring_pattern = re.compile(r"\d,\d")
PROTON = Composition("H+").mass
DEFAULT_MS2_MATCH_TOLERANCE = 2e-5
DEFAULT_MS1_MATCH_TOLERANCE = 1e-5
MACHINE_EPSILON = _machine_epsilon()
FragmentMatch = make_struct("FragmentMatch", ["match_key", "mass", "ppm_error",
"intensity", "charge", "peak_id"])
MergedMatch = make_struct("MergedMatch", ["match_key", "mass", "ppm_error", "intensity",
"charge", "peak_id", "matches"])
MassShift = make_struct("MassShift", ["name", "mass"])
NoShift = MassShift("", 0.0)
def split_match_key(match_key):
key, shift = match_key.split(":")
return key, shift
def strip_shift_label(match_key):
return match_key.split(":")[0]
def __call__(self, scan, target, *args, **kwargs):
node = self.get_model_node_for(scan, target, *args, **kwargs)
return node.model(scan, target, *args, **kwargs)
def load_peaks(self, scan):
return self.model.load_peaks(scan)
class SpectrumMatchClassification(Enum):
target_peptide_target_glycan = 0
target_peptide_decoy_glycan = 1
decoy_peptide_target_glycan = 2
decoy_peptide_decoy_glycan = decoy_peptide_target_glycan | target_peptide_decoy_glycan
_ScoreSet = make_struct("ScoreSet", ['glycopeptide_score', 'peptide_score', 'glycan_score'])
class ScoreSet(_ScoreSet):
__slots__ = ()
packer = struct.Struct("!fff")
@classmethod
def from_spectrum_matcher(cls, match):
return cls(match.score, match.peptide_score(), match.glycan_score())
def pack(self):
return self.packer.pack(*self)
@classmethod
def unpack(cls, binary):
return self.position
@property
def end(self):
return self.position + 1
@classmethod
def fromxml(cls, feature):
position = int(
feature.find(".//up:position", nsmap).attrib['position']) - 1
glycosylation_type = feature.attrib["description"].split(" ")[0]
return cls(position, glycosylation_type)
UniProtProtein = make_struct("UniProtProtein",
("sequence", "features", "recommended_name",
"gene_name", "names", "accessions", "keywords"))
def get_etree_for(accession):
tree = etree.parse(uri_template.format(accession=accession))
return tree
def get_features_for(accession, error=False):
tree = etree.parse(uri_template.format(accession=accession))
seq = tree.find(".//up:entry/up:sequence", nsmap).text.replace("\n", '')
names = [
el.text for el in tree.findall(".//up:protein/*/up:fullName", nsmap)
]
recommended_name_tag = tree.find(".//up:protein/*/up:recommendedName",
import os
import sqlite3
import logging
import functools
from collections import Counter, Iterable, Callable
import glypy
from glypy.utils import pickle, classproperty, make_struct
from glypy.io.nomenclature.identity import naive_name_monosaccharide
from glypy.algorithms import subtree_search
logger = logging.getLogger(__name__)
logger.addHandler(logging.NullHandler())
Taxon = make_struct("Taxon", ("tax_id", "name", 'entries'))
Aglyca = make_struct("Aglyca", ("name", "reducing", 'entries'))
DatabaseEntry = make_struct("DatabaseEntry", ("database", "id"))
Motif = make_struct("Motif", ("name", "id", "motif_class"))
def _resolve_column_data_mro(cls):
'''
Given a class with :attr:`__column_data_map` mangled attributes
from its class hierarchy, extract in descending order each
`dict`, overwriting old settings as it approaches the most
recently descended class.
Parameters
----------
cls: type
