fix Paddle unit tests unexpected exceptions and seg fault issue (#16808)

* fix Paddle unit tests unexpected exceptions and seg fault issue

* parse confine from reqfile to keep algin with other requirements

* Apply suggestions from code review

* Apply suggestions from code review

src/frontends/paddle/tests/paddle_pip_check.py

@@ -1,13 +1,57 @@
 import pkg_resources
 import re
 import sys
+import os
 
 req_file=sys.argv[1]
 
+constraints = {}
+constraints_path = []
+requirements = []
+
+# read requirements and find constraints file
+with open(req_file) as f:
+    raw_requirements = f.readlines()
+for line in raw_requirements:
+    if line.startswith("-c"):
+        constraints_path.append(os.path.join(os.path.dirname(req_file), line.split(' ')[1][:-1]))
+
+# read constraints if they exist
+if constraints_path:
+    for constraint_path in constraints_path:
+        with open(constraint_path) as f:
+            raw_constraints = f.readlines()
+        for line in raw_constraints:
+            if line.startswith("#") or line=="\n":
+                continue
+            line = line.replace("\n", "")
+            package, delimiter, constraint = re.split("(~|=|<|>|;)", line, maxsplit=1)
+            if constraints.get(package) is None:
+                constraints[package] = [delimiter + constraint]
+            else:
+                constraints[package].extend([delimiter + constraint])
+    for line in raw_requirements:
+        if line.startswith(("#", "-c")):
+            continue
+        line = line.replace("\n", "")
+        if re.search("(~|=|<|>|;)", line):
+            requirements.append(line)
+        else:
+            constraint = constraints.get(line)
+            if constraint:
+                for marker in constraint:
+                    requirements.append(line+marker)
+            else:
+                requirements.append(line)
+else:
+    requirements = raw_requirements
+
 try:
-    pkg_resources.require(open(req_file, mode='r'))
+    pkg_resources.require(requirements)
 except Exception as inst:
-    pattern = re.compile(r"protobuf .*, Requirement.parse\('protobuf<=3\.20\.0,>=3\.1\.0'\), {'paddlepaddle'}")
+    pattern = re.compile(
+        r"protobuf .*, Requirement.parse\('protobuf<=3\.20\.0,>=3\.1\.0'\), {'paddlepaddle'}"
+    )
     result = pattern.findall(str(inst))
     if len(result) == 0:
         raise inst