[MRG] update to sourmash 4.1.0

charcoal/Snakefile

@@ -287,22 +287,23 @@ rule contigs_sig:
     """
 
 # run a search, query.x.database.
-rule search_all:
+rule prefetch_all:
     input:
         query = stage1_dir + '/{filename}.sig',
         databases = config['gather_db']
     output:
         csv = stage1_dir + '/{filename}.matches.csv',
-        matches = stage1_dir + '/{filename}.matches.sig',
+        matches = stage1_dir + '/{filename}.matches.zip',
         txt = stage1_dir + '/{filename}.matches.txt'
     params:
         moltype = "--{}".format(config['moltype'].lower()),
-        gather_scaled = config['gather_scaled']
+        gather_scaled = config['gather_scaled'],
+        threshold_bp = config['gather_scaled']*3
     conda: 'conf/env-sourmash.yml'
     shell: """
-        sourmash search {input.query} {input.databases} -o {output.csv} \
-            --containment {params.moltype} --scaled {params.gather_scaled} \
-            --save-matches {output.matches} --threshold=0.001 >& {output.txt}
+        sourmash prefetch --no-linear {input.query} {input.databases} -o {output.csv} \
+            {params.moltype} --scaled {params.gather_scaled} \
+            --save-matches {output.matches} --threshold-bp {params.threshold_bp} >& {output.txt}
         cat {output.txt}
         touch {output.csv} {output.matches}
     """
@@ -312,7 +313,8 @@ rule make_contigs_taxonomy_json:
     input:
         genome = genome_dir + '/{f}',
         genome_sig = stage1_dir + '/{f}.sig',
-        matches = stage1_dir + '/{f}.matches.sig',
+        matches = stage1_dir + '/{f}.matches.zip',
+
         lineages = config['lineages_csv']
     output:
         json = stage1_dir + '/{f}.contigs-tax.json',
@@ -333,7 +335,7 @@ rule make_contigs_taxonomy_json:
 rule compare_taxonomy_single:
     input:
         json = stage1_dir + '/{g}.contigs-tax.json',
-        sig = stage1_dir + '/{g}.matches.sig',
+        sig = stage1_dir + '/{g}.matches.zip',
         lineages = config['lineages_csv'],
         provided_lineages = provided_lineages_file,
         genome_list = genome_list_file
@@ -443,7 +445,7 @@ checkpoint hitlist_make_contigs_matches:
     input:
         genome = genome_dir + '/{g}',
         genome_sig = stage1_dir + '/{g}.sig',
-        matches = stage1_dir + '/{g}.matches.sig',
+        matches = stage1_dir + '/{g}.matches.zip',
         lineages = config['lineages_csv'],
         hitlist = output_dir + '/stage1_hitlist.csv'
     output:

charcoal/compare_taxonomy.py

@@ -77,9 +77,12 @@ def guess_tax_by_gather(entire_mh, lca_db, lin_db, match_rank, report_fp):
                 first_count = count
 
         sum_ident += count
-
-    f_ident = sum_ident / len(entire_mh)
-    f_major = first_count / sum_ident
+
+    f_ident = 0
+    f_major = 0
+    if sum_ident:
+        f_ident = sum_ident / len(entire_mh)
+        f_major = first_count / sum_ident
 
     return first_lin, f_ident, f_major
 
@@ -119,11 +122,12 @@ def choose_genome_lineage(guessed_genome_lineage, provided_lineage, match_rank,
 
 def get_genome_taxonomy(matches_filename, genome_sig_filename, provided_lineage,
                         tax_assign, match_rank, min_f_ident, min_f_major):
-    with open(matches_filename, 'rt') as fp:
-        try:
-            siglist = list(sourmash.load_signatures(fp, do_raise=True, quiet=True))
-        except sourmash.exceptions.SourmashError:
-            siglist = None
+    try:
+        siglist = list(sourmash.load_file_as_signatures(matches_filename))
+    # TR for empty signatures; update when sourmash#1537 is fixed. 
+    # TR AssertionError covers "assert db" from sourmash _load_database() in sourmash_args.py
+    except (IndexError, AssertionError) as e:
+        siglist = None
 
     if not siglist:
         comment = 'no matches for this genome.'
@@ -233,7 +237,7 @@ def main(args):
     detected_contam = {}
 
     summary_d = {}
-    matches_filename = os.path.join(dirname, genome_name + '.matches.sig')
+    matches_filename = os.path.join(dirname, genome_name + '.matches.zip')
     genome_sig = os.path.join(dirname, genome_name + '.sig')
     lineage = provided_lineages.get(genome_name, '')
     contigs_json = os.path.join(dirname, genome_name + '.contigs-tax.json')
@@ -367,8 +371,8 @@ def main(args):
                             vals['bad_order_bp'],
                             vals['bad_family_bp'],
                             vals['bad_genus_bp'],
-                            f'{vals["f_ident"]:.03}',
-                            f'{vals["f_major"]:.03}',
+                            f'{vals["f_ident"]:.03f}',
+                            f'{vals["f_major"]:.03f}',
                             vals["lineage"],
                             vals["comment"]])
 

charcoal/conf/env-reporting.yml

@@ -12,5 +12,5 @@ dependencies:
     - pip
     - pip:
       - git+https://github.com/dib-lab/charcoal.git
-      - sourmash==4.0.0a3
+      - sourmash>=4.1.0,<5
       - pyinterval

charcoal/conf/env-sourmash.yml

@@ -11,5 +11,5 @@ dependencies:
     - pip
     - pip:
       - git+https://github.com/dib-lab/charcoal.git
-      - sourmash==4.0.0a3
+      - sourmash>=4.1.0,<5
       - pyinterval

charcoal/contigs_list_contaminants.py

@@ -30,7 +30,11 @@ def get_matches(mh, lca_db, lin_db, match_rank, threshold_bp):
 
     # do the gather:
     while 1:
-        results = lca_db.gather(query_sig, threshold_bp=threshold_bp)
+        try:
+            results = lca_db.gather(query_sig, threshold_bp=threshold_bp)
+        except ValueError:
+            break
+
         if not results:
             break
 
@@ -78,12 +82,11 @@ def main(args):
     genome_sig = sourmash.load_one_signature(args.genome_sig)
 
     # load all of the matches from search --containment in the database
-    with open(args.matches_sig, 'rt') as fp:
-        try:
-            siglist = list(sourmash.load_signatures(fp, do_raise=True,
-                                                    quiet=False))
-        except sourmash.exceptions.SourmashError:
-            siglist = []
+    try:
+        siglist = list(sourmash.load_file_as_signatures(args.matches_sig))
+    # TR for empty signatures; update when sourmash#1537 is fixed. 
+    except IndexError:
+        siglist = []
     print(f"loaded {len(siglist)} matches from '{args.matches_sig}'")
 
     # Hack for examining members of our search database: remove exact matches.
@@ -132,6 +135,7 @@ def main(args):
 
     screed_iter = screed.open(args.genome)
     threshold_bp = empty_mh.scaled * GATHER_MIN_MATCHES
+
     n = - 1
     for n, record in enumerate(screed_iter):
         # look at each contig individually

charcoal/contigs_search_taxonomy.py

@@ -32,12 +32,13 @@ def main(args):
     genome_sig = sourmash.load_one_signature(args.genome_sig)
 
     # load all of the matches from search --containment in the database
-    with open(args.matches_sig, 'rt') as fp:
-        try:
-            siglist = list(sourmash.load_signatures(fp, do_raise=True,
-                                                    quiet=False))
-        except sourmash.exceptions.SourmashError:
-            siglist = []
+    #with open(args.matches_sig, 'rt') as fp:
+    try:
+        siglist = list(sourmash.load_file_as_signatures(args.matches_sig))
+    # TR for cases with empty sigs that return IndexError; update when sourmash#1537 is fixed
+    # TR AssertionError covers "assert db" from sourmash _load_database() in sourmash_args.py
+    except (IndexError, AssertionError) as e:
+        siglist = []
     print(f"loaded {len(siglist)} matches from '{args.matches_sig}'")
 
     # Hack for examining members of our search database: remove exact matches.
@@ -88,14 +89,13 @@ def main(args):
         # look at each contig individually
         mh = empty_mh.copy_and_clear()
         mh.add_sequence(record.sequence, force=True)
-
         # collect all the gather results at genus level, together w/counts;
         # here, results is a list of (lineage, count) tuples.
-        results = list(gather_at_rank(mh, lca_db, lin_db, match_rank))
-
-        # store together with size of sequence.
-        info = ContigGatherInfo(len(record.sequence), len(mh), results)
-        contigs_tax[record.name] = info
+        if len(mh):
+            results = list(gather_at_rank(mh, lca_db, lin_db, match_rank))
+            # store together with size of sequence.
+            info = ContigGatherInfo(len(record.sequence), len(mh), results)
+            contigs_tax[record.name] = info
 
     print(f"Processed {len(contigs_tax)} contigs.")
 

charcoal/just_taxonomy.py

@@ -340,7 +340,7 @@ def main(args):
     print(f'loaded {len(tax_assign)} tax assignments.')
 
     with open(args.matches_sig, 'rt') as fp:
-        siglist = list(sourmash.load_signatures(fp))
+        siglist = list(sourmash.load_file_as_signatures(fp))
 
     if not siglist:
         print('no matches for this genome, exiting.')

charcoal/utils.py

@@ -153,7 +153,12 @@ def gather_at_rank(mh, lca_db, lin_db, match_rank):
     # do the gather:
     counts = Counter()
     while 1:
+
+        if not query_sig.minhash:
+            break
+
         results = lca_db.gather(query_sig, threshold_bp=0)
+
         if not results:
             break
 

environment.yml

@@ -10,4 +10,4 @@ dependencies:
     - click
     - pip
     - pip:
-      - sourmash==4.0.0a3
+      - sourmash>=4.1.0,<5

tests/test_compare_taxonomy.py

@@ -30,7 +30,7 @@ def test_basic(location):
     args.genome = 'loomba'
 
     shutil.copyfile(utils.relative_file("tests/test-data/loomba/LoombaR_2017__SID1050_bax__bin.11.fa.gz.sig"), os.path.join(location, "loomba.sig"))
-    shutil.copyfile(utils.relative_file("tests/test-data/loomba/LoombaR_2017__SID1050_bax__bin.11.fa.gz.matches.sig"), os.path.join(location, "loomba.matches.sig"))
+    shutil.copyfile(utils.relative_file("tests/test-data/loomba/LoombaR_2017__SID1050_bax__bin.11.fa.gz.matches.zip"), os.path.join(location, "loomba.matches.zip"))
     shutil.copyfile(utils.relative_file("tests/test-data/loomba/LoombaR_2017__SID1050_bax__bin.11.fa.gz.contigs-tax.json"), os.path.join(location, "loomba.contigs-tax.json"))
 
     status = compare_taxonomy.main(args)

tests/test_contigs_search.py

@@ -11,7 +11,7 @@ def test_1(location):
     args = utils.Args()
     args.genome = utils.relative_file("tests/test-data/genomes/2.fa.gz")
     args.genome_sig = utils.relative_file("tests/test-data/genomes/2.fa.gz.sig")
-    args.matches_sig = utils.relative_file("tests/test-data/2.fa.gz.gather-matches.sig.gz")
+    args.matches_sig = utils.relative_file("tests/test-data/2.fa.gz.gather-matches.zip")
     args.lineages_csv = utils.relative_file("tests/test-data/test-match-lineages.csv")
     args.json_out = os.path.join(location, 'tax.json')
     args.match_rank = 'genus'
@@ -32,7 +32,7 @@ def test_2_loomba(location):
     args = utils.Args()
     args.genome = utils.relative_file("demo/genomes/LoombaR_2017__SID1050_bax__bin.11.fa.gz")
     args.genome_sig = utils.relative_file("tests/test-data/loomba/LoombaR_2017__SID1050_bax__bin.11.fa.gz.sig")
-    args.matches_sig = utils.relative_file("tests/test-data/loomba/LoombaR_2017__SID1050_bax__bin.11.fa.gz.matches.sig")
+    args.matches_sig = utils.relative_file("tests/test-data/loomba/LoombaR_2017__SID1050_bax__bin.11.fa.gz.matches.zip")
     args.lineages_csv = utils.relative_file("tests/test-data/test-match-lineages.csv")
     args.json_out = os.path.join(location, 'tax.json')
     args.match_rank = 'genus'

tests/test_decontam.py

@@ -62,7 +62,7 @@ def make_lca_and_lineages(match_files, lineages_csv, scaled, ksize,
     # load matches into a list
     siglist = []
     for filename in match_files:
-        siglist += list(sourmash.load_signatures(filename))
+        siglist += list(sourmash.load_file_as_signatures(filename))
 
     # pull in taxonomic assignments
     tax_assign, _ = load_taxonomy_assignments(lineages_csv,

tests/test_snakemake.py

@@ -70,7 +70,7 @@ def test_make_sig(genome_file):
 @pytest.mark.parametrize("genome_file", demo_genomes)
 def test_make_gather_matches(request, genome_file):
     depends(request, [f"test_make_sig[{g}]" for g in demo_genomes])
-    target = f'stage1/{genome_file}.matches.sig'
+    target = f'stage1/{genome_file}.matches.zip'
     status, out, err = _run_snakemake_test('demo/demo.conf', target)
 
     assert status == 0