[Regression] Add replace_branch.py (#2884)

* fix

* fix

* debug

* fix

* fix

* fix

* fix

* ci

* fix

* fix

* remove duplicate instruction

* need this file in the main branch

* add nightly

* Delete nightly.jenkins

benchmarks/scripts/replace_branch.py

+import argparse
+import json
+import os
+
+
+import re
+
+
+def json_minify(string, strip_space=True):
+    '''
+    Based on JSON.minify.js:
+    https://github.com/getify/JSON.minify
+    Contributers:
+    - Pradyun S. Gedam (conditions and variable names changed)
+    '''
+    tokenizer = re.compile(r'"|(/\*)|(\*/)|(//)|\n|\r')
+    in_string = False
+    in_multi = False
+    in_single = False
+
+    new_str = []
+    index = 0
+
+    for match in re.finditer(tokenizer, string):
+
+        if not (in_multi or in_single):
+            tmp = string[index:match.start()]
+            if not in_string and strip_space:
+                # replace white space as defined in standard
+                tmp = re.sub('[ \t\n\r]+', '', tmp)
+            new_str.append(tmp)
+
+        index = match.end()
+        val = match.group()
+
+        if val == '"' and not (in_multi or in_single):
+            escaped = re.search(r'(\\)*$', string[:match.start()])
+
+            # start of string or unescaped quote character to end string
+            if not in_string or (escaped is None or len(escaped.group()) % 2 == 0):
+                in_string = not in_string
+            index -= 1  # include " character in next catch
+        elif not (in_string or in_multi or in_single):
+            if val == '/*':
+                in_multi = True
+            elif val == '//':
+                in_single = True
+        elif val == '*/' and in_multi and not (in_string or in_single):
+            in_multi = False
+        elif val in '\r\n' and not (in_multi or in_string) and in_single:
+            in_single = False
+        elif not ((in_multi or in_single) or (val in ' \r\n\t' and strip_space)):
+            new_str.append(val)
+
+    new_str.append(string[index:])
+    content = ''.join(new_str)
+    content = content.replace(",]", "]")
+    content = content.replace(",}", "}")
+    return content
+
+
+def add_prefix(branch_name):
+    if '/' not in branch_name:
+        return "origin/"+branch_name
+    else:
+        return branch_name
+
+
+def change_branch(branch_str: str):
+    branches = [add_prefix(b) for b in branch_str.split(",")]
+    with open("../asv.conf.json", "r") as f:
+        ss = f.read()
+        config_json = json.loads(json_minify(ss))
+        config_json["branches"] = branches
+    with open("../asv.conf.json", "w") as f:
+        json.dump(config_json, f)
+
+
+if __name__ == "__main__":
+    if "BRANCH_STR" in os.environ:
+        change_branch(os.environ["BRANCH_STR"])