convert bash scripts to py (ethereum#77)

* convert bash scripts to py

.project-template/fill_template_vars.py

@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import re
+from pathlib import Path
+
+
+def _find_files(project_root):
+    path_exclude_pattern = r"\.git($|\/)|venv|_build"
+    file_exclude_pattern = r"fill_template_vars\.py|\.swp$"
+    filepaths = []
+    for dir_path, _dir_names, file_names in os.walk(project_root):
+        if not re.search(path_exclude_pattern, dir_path):
+            for file in file_names:
+                if not re.search(file_exclude_pattern, file):
+                    filepaths.append(str(Path(dir_path, file)))
+
+    return filepaths
+
+
+def _replace(pattern, replacement, project_root):
+    print(f"Replacing values: {pattern}")
+    for file in _find_files(project_root):
+        with open(file) as f:
+            content = f.read()
+        content = re.sub(pattern, replacement, content)
+        with open(file, "w") as f:
+            f.write(content)
+
+
+def main():
+    project_root = Path(os.path.realpath(sys.argv[0])).parent.parent
+
+    module_name = input("What is your python module name? ")
+
+    pypi_input = input(f"What is your pypi package name? (default: {module_name}) ")
+    pypi_name = pypi_input or module_name
+
+    repo_input = input(f"What is your github project name? (default: {pypi_name}) ")
+    repo_name = repo_input or pypi_name
+
+    rtd_input = input(
+        f"What is your readthedocs.org project name? (default: {pypi_name}) "
+    )
+    rtd_name = rtd_input or pypi_name
+
+    project_input = input(
+        f"What is your project name (ex: at the top of the README)? (default: {repo_name}) "
+    )
+    project_name = project_input or repo_name
+
+    short_description = input("What is a one-liner describing the project? ")
+
+    _replace("<MODULE_NAME>", module_name, project_root)
+    _replace("<PYPI_NAME>", pypi_name, project_root)
+    _replace("<REPO_NAME>", repo_name, project_root)
+    _replace("<RTD_NAME>", rtd_name, project_root)
+    _replace("<PROJECT_NAME>", project_name, project_root)
+    _replace("<SHORT_DESCRIPTION>", short_description, project_root)
+
+    os.makedirs(project_root / module_name, exist_ok=True)
+    Path(project_root / module_name / "__init__.py").touch()
+    Path(project_root / module_name / "py.typed").touch()
+
+
+if __name__ == "__main__":
+    main()

.project-template/refill_template_vars.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+from pathlib import Path
+import subprocess
+
+
+def main():
+    template_dir = Path(os.path.dirname(sys.argv[0]))
+    template_vars_file = template_dir / "template_vars.txt"
+    fill_template_vars_script = template_dir / "fill_template_vars.py"
+
+    with open(template_vars_file, "r") as input_file:
+        content_lines = input_file.readlines()
+
+    process = subprocess.Popen(
+        [sys.executable, str(fill_template_vars_script)],
+        stdin=subprocess.PIPE,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        text=True,
+    )
+
+    for line in content_lines:
+        process.stdin.write(line)
+        process.stdin.flush()
+
+    stdout, stderr = process.communicate()
+
+    if process.returncode != 0:
+        print(f"Error occurred: {stderr}")
+        sys.exit(1)
+
+    print(stdout)
+
+
+if __name__ == "__main__":
+    main()