def genes2phens(p2entrez_file, e2z=None):
ensg2z = e2z if e2z else ut.load_dict_sets(ut.proj_path('convert', 'Hs2Hs_entrez.tab'))
def dict_sets_rem_prefix(d, sep):
d = dict([(k,set([vi.split(sep)[1] for vi in v])) for k,v in d.items()])
return d
p2z = dict_sets_rem_prefix(ut.load_dict_sets(p2entrez_file), ":")
return ut.compose_dict_sets(ensg2z, ut.dict_inverse_sets(p2z))
def orth_count_ogroups(sp1, sp2):
"""
Symmetric measure of orthology.
Does not lend itself as well to only counting genes in a provided list.
"""
key, swap_order = orth.orth_key(sp1, sp2)
ogs = orth._load_ogroups(ut.proj_path('convert_orth', 'table.'+key))
return len(ogs)
def custom_conversion(fromtype, totype):
"""
Check for a custom file in data/convert
Return None if not found.
"""
fname = "%s2%s.tab" % (fromtype, totype)
fpath = ut.proj_path('convert',fname)
if os.path.exists(fpath):
return ut.load_dict_sets(fpath)
def custom_conversion(fromtype, totype):
"""
Check for a custom file in data/convert
Return None if not found.
"""
fname = "%s2%s.tab" % (fromtype, totype)
fpath = ut.proj_path('convert', fname)
if os.path.exists(fpath):
return ut.load_dict_sets(fpath)
def load_havug_cxs(convert_ensg=True):
fname = ut.proj_path('havug_cxs')
u2e = ut.dict_inverse_sets(ut.load_dict_sets(
'../../data/convert/Hs2Hs_uni.tab'))
hcxs = ut.load_list_of_type(fname,set)
if convert_ensg:
hcxs = convert_complexes([(i,c) for i,c in
enumerate(hcxs)], u2e,
seqs.load_prots_from_fasta('../../data/sequences/canon/Hs.fasta'))
return hcxs
def fnet_names(fnet_file):
filename = ut.proj_path('fnet_path',fnet_file)
first = ut.load_tab_file(filename).next()
nfields = len(first)-2
if nfields > 1:
return [l[0].strip() if l[0].find('=')==-1 else
l[0].split('=')[0].strip() for l in
ut.load_tab_file(ut.pre_ext(filename,'_names'))]
else:
return None #means there is only one data column.
def __init__(self, sp='Hs'):
lines = ut.load_list_of_lists(ut.proj_path('gene_desc_'+sp))[1:]
processed = [tuple([l[0],l[1].lower()] + (l[2:] if len(l)>2 else [''])) for l in
lines if len(l)>1]
self.gnames = [(l[1], l[2].split('[')[0]) for l in processed]
self.name2id = dict(((l[1],l[0]) for l in processed))
self.id2name = dict(((l[0], l[1]) for l in processed))
self.name2desc = dict(self.gnames)
self.id2desc = dict(((l[0],l[2].split('[')[0]) for l in processed))
self.id2all = dict(((l[0],l[1:]) for l in processed))
def orth_fname(from_sp, to_sp):
key = from_sp + '-' + to_sp
if key in keys:
swap_order=False
else:
key = to_sp + '-' + from_sp
if key in keys:
swap_order=True
else:
assert False, "Orthogroup key %s not in keys list" % key
fname = ut.proj_path('convert_orth', 'table.'+key)
return fname, swap_order
def orth_fname(from_sp, to_sp):
key = from_sp + '-' + to_sp
if key in keys:
swap_order = False
else:
key = to_sp + '-' + from_sp
if key in keys:
swap_order = True
else:
assert False, "Orthogroup key %s not in keys list" % key
fname = ut.proj_path('convert_orth', 'table.' + key)
return fname, swap_order
def filter_location(cxs, go_location):
"""
Return only those cxs for x (cyto/nuc) where the go cell compartment is either:
- more proteins annotated with x than y
- more than half of the proteins annotated with x
"""
assert go_location in ['cyto','nuc'], 'location not supported'
keys = ['cyto_prots','nuc_prots']
yes_key,no_key = keys if go_location=='cyto' else keys[::-1]
yes_prots,no_prots = [go_assoc_prots(ut.proj_path(key))
for key in yes_key, no_key]
return [c for c in cxs
if len(set.intersection(c[1],yes_prots))/len(c[1]) > .5
or (len(set.intersection(c[1],yes_prots)) -
len(set.intersection(c[1],no_prots))) > 0]
def score_arr_ext(arr, species, ext_key):
"""
Key_or_data: either a string matching one of the keys for ext data in
config.py, or a tuple of (name,data) where data is a sequence of (id1, id2,
score), and the sequence can be a generator.
fnet_cols: list of columns or first 2 letters to include, eg ['HS','CE']
"""
ext_file = ut.config()[ext_key]
conv_dict = convdict_from_fname(species, ext_file)
filename = ut.proj_path('fnet_path', ext_file)
stored_names = fnet_names(ext_file) # None if only one data column.
names = stored_names if stored_names else [ext_key]
data_dict = load_net(ut.load_tab_file(filename))
print 'External data file: %s; size: %s; cols: %s' % (ext_file,
len(data_dict), len(names))
score_arr(arr, species, names, data_dict, conv_dict)
def load_corum(fname, filter_methods, do_dedupe):
"""
Returns a list of tuples: (name, set(uniprotIDs), species)
"""
lines = [l[:7] for l in ut.load_tab_file(fname, sep=';')][1:]
cxs = [(name, set(prots.split(',')), species, method)
for _,name,_,species,prots,_,method in lines]
if filter_methods:
print "Filtering corum methods."
keep_methods = set([x[0] for x in
(ut.load_tab_file(ut.proj_path('corum_methods'))) if int(x[3])==1])
cxs = [(n,p,s) for n,p,s,methods in cxs
if (len([m for m in methods.split('|')
if m.split('-')[0].strip() in keep_methods]) > 0)]
else:
cxs = [(n,p,s) for n,p,s,m in cxs]
return cxs
def load_ppi_cxs(minlen=2, maxlen=50, sp_match='Human', go_location=None,
do_filter_methods=True, dedupe_names=True, remove_sps=True):
"""
Returns a list of sets of uniprot ids.
No de-duplication or anything else.
Expected that this list may have duplicates.
"""
fname = ut.proj_path('corum_cxs')
cxs = load_corum(fname, do_filter_methods, dedupe_names)
print_rib_count(cxs, 'a')
if sp_match:
cxs = ut.list_filter_value(cxs, 2, sp_match)
#print_rib_count(cxs, 'b')
cxs = [c for c in cxs if len(c[1])>=minlen and len(c[1])<=maxlen]
#print_rib_count(cxs, 'c')
if remove_sps:
cxs = [(name,ps) for name,ps,spec in cxs]
#print len(cxs)
if go_location:
print "Filtering corum by go location"
cxs = filter_location(cxs, go_location)
return cxs
def fasta_fname(sp):
return ut.proj_path('fastadir', sp + '.fasta')
