From efc829e893c41ac5bd596752e7efc05a52efc8e8 Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期三, 22 三月 2023 17:48:39 +0800
Subject: [PATCH] cer tool

---
 funasr/runtime/python/utils/compute_wer.py |  157 ++++++++++++++++++++++++++
 funasr/runtime/python/utils/infer.py       |   48 ++++++++
 funasr/runtime/python/utils/proce_text.py  |   31 +++++
 funasr/runtime/python/utils/infer.sh       |   71 +++++++++++
 4 files changed, 307 insertions(+), 0 deletions(-)

diff --git a/funasr/runtime/python/utils/compute_wer.py b/funasr/runtime/python/utils/compute_wer.py
new file mode 100755
index 0000000..349a3f6
--- /dev/null
+++ b/funasr/runtime/python/utils/compute_wer.py
@@ -0,0 +1,157 @@
+import os
+import numpy as np
+import sys
+
+def compute_wer(ref_file,
+                hyp_file,
+                cer_detail_file):
+    rst = {
+        'Wrd': 0,
+        'Corr': 0,
+        'Ins': 0,
+        'Del': 0,
+        'Sub': 0,
+        'Snt': 0,
+        'Err': 0.0,
+        'S.Err': 0.0,
+        'wrong_words': 0,
+        'wrong_sentences': 0
+    }
+
+    hyp_dict = {}
+    ref_dict = {}
+    with open(hyp_file, 'r') as hyp_reader:
+        for line in hyp_reader:
+            key = line.strip().split()[0]
+            value = line.strip().split()[1:]
+            hyp_dict[key] = value
+    with open(ref_file, 'r') as ref_reader:
+        for line in ref_reader:
+            key = line.strip().split()[0]
+            value = line.strip().split()[1:]
+            ref_dict[key] = value
+
+    cer_detail_writer = open(cer_detail_file, 'w')
+    for hyp_key in hyp_dict:
+        if hyp_key in ref_dict:
+           out_item = compute_wer_by_line(hyp_dict[hyp_key], ref_dict[hyp_key])
+           rst['Wrd'] += out_item['nwords']
+           rst['Corr'] += out_item['cor']
+           rst['wrong_words'] += out_item['wrong']
+           rst['Ins'] += out_item['ins']
+           rst['Del'] += out_item['del']
+           rst['Sub'] += out_item['sub']
+           rst['Snt'] += 1
+           if out_item['wrong'] > 0:
+               rst['wrong_sentences'] += 1
+           cer_detail_writer.write(hyp_key + print_cer_detail(out_item) + '\n')
+           cer_detail_writer.write("ref:" + '\t' + "".join(ref_dict[hyp_key]) + '\n')
+           cer_detail_writer.write("hyp:" + '\t' + "".join(hyp_dict[hyp_key]) + '\n')
+
+    if rst['Wrd'] > 0:
+        rst['Err'] = round(rst['wrong_words'] * 100 / rst['Wrd'], 2)
+    if rst['Snt'] > 0:
+        rst['S.Err'] = round(rst['wrong_sentences'] * 100 / rst['Snt'], 2)
+
+    cer_detail_writer.write('\n')
+    cer_detail_writer.write("%WER " + str(rst['Err']) + " [ " + str(rst['wrong_words'])+ " / " + str(rst['Wrd']) +
+                            ", " + str(rst['Ins']) + " ins, " + str(rst['Del']) + " del, " + str(rst['Sub']) + " sub ]" + '\n')
+    cer_detail_writer.write("%SER " + str(rst['S.Err']) + " [ " + str(rst['wrong_sentences']) + " / " + str(rst['Snt']) + " ]" + '\n')
+    cer_detail_writer.write("Scored " + str(len(hyp_dict)) + " sentences, " + str(len(hyp_dict) - rst['Snt']) + " not present in hyp." + '\n')
+
+     
+def compute_wer_by_line(hyp,
+                        ref):
+    hyp = list(map(lambda x: x.lower(), hyp))
+    ref = list(map(lambda x: x.lower(), ref))
+
+    len_hyp = len(hyp)
+    len_ref = len(ref)
+
+    cost_matrix = np.zeros((len_hyp + 1, len_ref + 1), dtype=np.int16)
+
+    ops_matrix = np.zeros((len_hyp + 1, len_ref + 1), dtype=np.int8)
+
+    for i in range(len_hyp + 1):
+        cost_matrix[i][0] = i
+    for j in range(len_ref + 1):
+        cost_matrix[0][j] = j
+
+    for i in range(1, len_hyp + 1):
+        for j in range(1, len_ref + 1):
+            if hyp[i - 1] == ref[j - 1]:
+                cost_matrix[i][j] = cost_matrix[i - 1][j - 1]
+            else:
+                substitution = cost_matrix[i - 1][j - 1] + 1
+                insertion = cost_matrix[i - 1][j] + 1
+                deletion = cost_matrix[i][j - 1] + 1
+
+                compare_val = [substitution, insertion, deletion]
+
+                min_val = min(compare_val)
+                operation_idx = compare_val.index(min_val) + 1
+                cost_matrix[i][j] = min_val
+                ops_matrix[i][j] = operation_idx
+
+    match_idx = []
+    i = len_hyp
+    j = len_ref
+    rst = {
+        'nwords': len_ref,
+        'cor': 0,
+        'wrong': 0,
+        'ins': 0,
+        'del': 0,
+        'sub': 0
+    }
+    while i >= 0 or j >= 0:
+        i_idx = max(0, i)
+        j_idx = max(0, j)
+
+        if ops_matrix[i_idx][j_idx] == 0:  # correct
+            if i - 1 >= 0 and j - 1 >= 0:
+                match_idx.append((j - 1, i - 1))
+                rst['cor'] += 1
+
+            i -= 1
+            j -= 1
+
+        elif ops_matrix[i_idx][j_idx] == 2:  # insert
+            i -= 1
+            rst['ins'] += 1
+
+        elif ops_matrix[i_idx][j_idx] == 3:  # delete
+            j -= 1
+            rst['del'] += 1
+
+        elif ops_matrix[i_idx][j_idx] == 1:  # substitute
+            i -= 1
+            j -= 1
+            rst['sub'] += 1
+
+        if i < 0 and j >= 0:
+            rst['del'] += 1
+        elif j < 0 and i >= 0:
+            rst['ins'] += 1
+
+    match_idx.reverse()
+    wrong_cnt = cost_matrix[len_hyp][len_ref]
+    rst['wrong'] = wrong_cnt
+
+    return rst
+
+def print_cer_detail(rst):
+    return ("(" + "nwords=" + str(rst['nwords']) + ",cor=" + str(rst['cor'])
+            + ",ins=" + str(rst['ins']) + ",del=" + str(rst['del']) + ",sub="
+            + str(rst['sub']) + ") corr:" + '{:.2%}'.format(rst['cor']/rst['nwords'])
+            + ",cer:" + '{:.2%}'.format(rst['wrong']/rst['nwords']))
+
+if __name__ == '__main__':
+    if len(sys.argv) != 4:
+        print("usage : python compute-wer.py test.ref test.hyp test.wer")
+        sys.exit(0)
+
+    ref_file = sys.argv[1]
+    hyp_file = sys.argv[2]
+    cer_detail_file = sys.argv[3]
+    compute_wer(ref_file, hyp_file, cer_detail_file)
diff --git a/funasr/runtime/python/utils/infer.py b/funasr/runtime/python/utils/infer.py
new file mode 100644
index 0000000..f44a884
--- /dev/null
+++ b/funasr/runtime/python/utils/infer.py
@@ -0,0 +1,48 @@
+import os
+import time
+import sys
+import librosa
+from funasr.utils.types import str2bool
+
+import argparse
+parser = argparse.ArgumentParser()
+parser.add_argument('--model_dir', type=str, required=True)
+parser.add_argument('--backend', type=str, default='onnx', help='["onnx", "torch"]')
+parser.add_argument('--wav_file', type=str, default=None, help='amp fallback number')
+parser.add_argument('--quantize', type=str2bool, default=False, help='quantized model')
+parser.add_argument('--intra_op_num_threads', type=int, default=1, help='intra_op_num_threads for onnx')
+parser.add_argument('--output_dir', type=str, default=None, help='amp fallback number')
+args = parser.parse_args()
+
+
+from funasr.runtime.python.libtorch.torch_paraformer import Paraformer
+if args.backend == "onnx":
+	from funasr.runtime.python.onnxruntime.rapid_paraformer import Paraformer
+	
+model = Paraformer(args.model_dir, batch_size=1, quantize=args.quantize, intra_op_num_threads=args.intra_op_num_threads)
+
+wav_file_f = open(args.wav_file, 'r')
+wav_files = wav_file_f.readlines()
+
+output_dir = args.output_dir
+if not os.path.exists(output_dir):
+	os.makedirs(output_dir)
+if os.name == 'nt':   # Windows
+	newline = '\r\n'
+else:   # Linux Mac
+	newline = '\n'
+text_f = open(os.path.join(output_dir, "text"), "w", newline=newline)
+token_f = open(os.path.join(output_dir, "token"), "w", newline=newline)
+
+for i, wav_path_i in enumerate(wav_files):
+	wav_name, wav_path = wav_path_i.strip().split()
+	result = model(wav_path)
+	text_i = "{} {}\n".format(wav_name, result[0])
+	token_i = "{} {}\n".format(wav_name, result[1])
+	text_f.write(text_i)
+	text_f.flush()
+	token_f.write(token_i)
+	token_f.flush()
+text_f.close()
+token_f.close()
+	
diff --git a/funasr/runtime/python/utils/infer.sh b/funasr/runtime/python/utils/infer.sh
new file mode 100644
index 0000000..f5012da
--- /dev/null
+++ b/funasr/runtime/python/utils/infer.sh
@@ -0,0 +1,71 @@
+
+nj=32
+stage=0
+stop_stage=2
+
+scp="/nfs/haoneng.lhn/funasr_data/aishell-1/data/test/wav.scp"
+label_text="/nfs/haoneng.lhn/funasr_data/aishell-1/data/test/text"
+export_root="/nfs/zhifu.gzf/export"
+split_scps_tool=split_scp.pl
+inference_tool=infer.py
+proce_text_tool=proce_text.py
+compute_wer_tool=compute_wer.py
+
+#:<<!
+model_name="damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch"
+backend="onnx" # "torch"
+quantize='true' # 'False'
+tag=${model_name}/${backend}_quantize_${quantize}
+!
+
+output_dir=${export_root}/logs/${tag}/split$nj
+mkdir -p ${output_dir}
+echo ${output_dir}
+
+
+if [ $stage -le 0 ] && [ $stop_stage -ge 0 ];then
+
+    python -m funasr.export.export_model --model-name ${model_name} --export-dir ${export_root} --type ${backend} --quantize ${quantize} --audio_in ${scp}
+
+fi
+
+
+if [ $stage -le 1 ] && [ $stop_stage -ge 1 ];then
+
+  model_dir=${export_root}/${model_name}
+  split_scps=""
+  for JOB in $(seq ${nj}); do
+      split_scps="$split_scps $output_dir/wav.$JOB.scp"
+  done
+
+  perl ${split_scps_tool} $scp ${split_scps}
+
+
+  for JOB in $(seq ${nj}); do
+    {
+      core_id=`expr $JOB - 1`
+      taskset -c ${core_id} python ${rtf_tool} --backend ${backend} --model_dir ${model_dir} --wav_file ${output_dir}/wav.$JOB.scp --quantize ${quantize} --output_dir ${output_dir}/${JOB} &> ${output_dir}/log.$JOB.txt
+    }&
+
+  done
+  wait
+
+  mkdir -p ${output_dir}/1best_recog
+  for f in token text; do
+      if [ -f "${output_dir}/1/${f}" ]; then
+        for JOB in $(seq "${nj}"); do
+            cat "${output_dir}/${JOB}/1best_recog/${f}"
+        done | sort -k1 >"${output_dir}/1best_recog/${f}"
+      fi
+  done
+
+fi
+
+if [ $stage -le 2 ] && [ $stop_stage -ge 2 ];then
+    echo "Computing WER ..."
+    python ${proce_text_tool} ${output_dir}/1best_recog/text ${output_dir}/1best_recog/text.proc
+    python ${proce_text_tool} ${label_text} ${output_dir}/1best_recog/text.ref
+    python ${compute_wer_tool} ${output_dir}/1best_recog/text.ref ${output_dir}/1best_recog/text.proc ${output_dir}/1best_recog/text.cer
+    tail -n 3 ${output_dir}/1best_recog/text.cer
+fi
+
diff --git a/funasr/runtime/python/utils/proce_text.py b/funasr/runtime/python/utils/proce_text.py
new file mode 100755
index 0000000..9e517a4
--- /dev/null
+++ b/funasr/runtime/python/utils/proce_text.py
@@ -0,0 +1,31 @@
+
+import sys
+import re
+
+in_f = sys.argv[1]
+out_f = sys.argv[2]
+
+
+with open(in_f, "r", encoding="utf-8") as f:
+  lines = f.readlines()
+
+with open(out_f, "w", encoding="utf-8") as f:
+  for line in lines:
+    outs = line.strip().split(" ", 1)
+    if len(outs) == 2:
+      idx, text = outs
+      text = re.sub("</s>", "", text)
+      text = re.sub("<s>", "", text)
+      text = re.sub("@@", "", text)
+      text = re.sub("@", "", text)
+      text = re.sub("<unk>", "", text)
+      text = re.sub(" ", "", text)
+      text = text.lower()
+    else:
+      idx = outs[0]
+      text = " "
+
+    text = [x for x in text]
+    text = " ".join(text)
+    out = "{} {}\n".format(idx, text)
+    f.write(out)

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