Add missing build.py file

Author: yuvipanda

build.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+from pathlib import Path
+import subprocess
+from ruamel.yaml import YAML
+import shutil
+import os
+
+yaml = YAML()
+
+DEMO_FOLDER = "demofiles"
+
+def setup_talks():
+    """
+    Reads yaml file talks.yml and moves files and folders specified in yaml
+    file to the a folder matching the name of the talk Args: talk_name: name
+    of talk in talks.yml Note: yaml file is assumed to be a dict of dicts of
+    lists and dict with the following python format:
+    {'talk_name':
+        {'folders':
+            {'src0': 'dest0', 'src1': 'dest1']
+        'files':
+            ['file0', file1']
+    'rename':
+    {'oldname': 'newname'}
+        }
+    }
+    or in yaml format:
+    talk_name:
+        folders:
+            src0: dest0
+            src1: dest1
+        files:
+            - file0
+            - file1
+        rename:
+            oldname: newname
+    """
+    with open("talks.yml", "r") as stream:
+        talks = yaml.load(stream)
+    for talk_name in talks:
+        Path(talk_name).mkdir(parents=True, exist_ok=True)
+
+        if "files" in talks[talk_name]:
+            for f in talks[talk_name]["files"]:
+                copied_path = os.path.join(talk_name, os.path.basename(f))
+                shutil.copy(f, copied_path)
+                assert os.path.isfile(copied_path), f"{f} failed to copy into {talk_name}"
+
+        if "folders" in talks[talk_name]:
+            for src, dst in talks[talk_name]["folders"].items():
+                dst = os.path.join(talk_name, dst)
+                if not os.path.exists(dst):
+                    shutil.copytree(src, dst)
+
+        if "rename" in talks[talk_name]:
+            for old_file, new_file in talks[talk_name]["rename"].items():
+                moved_file = os.path.join(talk_name, os.path.basename(old_file))
+                if os.path.isfile(moved_file):
+                    os.rename(moved_file, os.path.join(talk_name, new_file))
+                elif os.path.isfile(old_file):
+                    shutil.copy(old_file, os.path.join(talk_name, new_file))
+
+def setup_demofiles():
+    print("creating demofolder")
+    demo_folder = Path("demofiles")
+    demo_folder.mkdir(parents=True, exist_ok=True)
+
+    # list of repos used in demo
+    print(f"cloning repos into demo folder {demo_folder}")
+    reponames = [
+        "jakevdp/PythonDataScienceHandbook",
+        "swissnexSF/Urban-Data-Challenge",
+        "altair-viz/altair",
+        "QuantEcon/QuantEcon.notebooks",
+        "theandygross/TCGA",
+        "aymericdamien/TensorFlow-Examples",
+        "bloomberg/bqplot",
+    ]
+    for repo in reponames:
+        target_path = demo_folder / Path(repo.split("/")[1])
+        if not target_path.is_dir():
+            subprocess.check_call([
+                "git", "clone", "--depth", "1",
+                f"https://github.com/{repo}.git"
+            ], cwd=demo_folder)
+    # This empty file and empty folder are for showing drag and drop in jupyterlab
+    Path("move_this_file.txt").touch()
+    Path("move_it_here").mkdir(exist_ok=True)
+
+def main():
+    setup_demofiles()
+    setup_talks()
+
+
+if __name__ == "__main__":
+    main()