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venv/Lib/site-packages/jupyter_core/troubleshoot.py

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+#!/usr/bin/env python
+"""
+display environment information that isfrequently
+used to troubleshoot installations of Jupyter or IPython
+"""
+
+# import argparse
+import os
+import platform
+import subprocess
+import sys
+
+
+# def get_args():
+#     """
+#     TODO: output in JSON or xml? maybe?
+#     """
+#     pass
+
+def subs(cmd):
+    """
+    get data from commands that we need to run outside of python
+    """
+    try:
+        stdout = subprocess.check_output(cmd)
+        return stdout.decode('utf-8', 'replace').strip()
+    except (OSError, subprocess.CalledProcessError):
+        return None
+
+
+def get_data():
+    """
+    returns a dict of various user environment data
+    """
+    env = {}
+    env['path'] = os.environ.get('PATH')
+    env['sys_path'] = sys.path
+    env['sys_exe'] = sys.executable
+    env['sys_version'] = sys.version
+    env['platform'] = platform.platform()
+    # FIXME: which on Windows?
+    if sys.platform == 'win32':
+        env['where'] = subs(['where', 'jupyter'])
+        env['which'] = None
+    else:
+        env['which'] = subs(['which', '-a', 'jupyter'])
+        env['where'] = None
+    env['pip'] = subs([sys.executable, '-m', 'pip', 'list'])
+    env['conda'] = subs(['conda', 'list'])
+    return env
+
+
+def main():
+    """
+    print out useful info
+    """
+    #pylint: disable=superfluous-parens
+    # args = get_args()
+    environment_data = get_data()
+
+    print('$PATH:')
+    for directory in environment_data['path'].split(os.pathsep):
+        print('\t' + directory)
+
+    print('\n' + 'sys.path:')
+    for directory in environment_data['sys_path']:
+        print('\t' + directory)
+
+    print('\n' + 'sys.executable:')
+    print('\t' + environment_data['sys_exe'])
+
+    print('\n' + 'sys.version:')
+    if '\n' in environment_data['sys_version']:
+        for data in environment_data['sys_version'].split('\n'):
+            print('\t' + data)
+    else:
+        print('\t' + environment_data['sys_version'])
+
+    print('\n' + 'platform.platform():')
+    print('\t' + environment_data['platform'])
+
+    if environment_data['which']:
+        print('\n' + 'which -a jupyter:')
+        for line in environment_data['which'].split('\n'):
+            print('\t' + line)
+
+    if environment_data['where']:
+        print('\n' + 'where jupyter:')
+        for line in environment_data['where'].split('\n'):
+            print('\t' + line)
+
+    if environment_data['pip']:
+        print('\n' + 'pip list:')
+        for package in environment_data['pip'].split('\n'):
+            print('\t' + package)
+
+    if environment_data['conda']:
+        print('\n' + 'conda list:')
+        for package in environment_data['conda'].split('\n'):
+            print('\t' + package)
+
+
+if __name__ == '__main__':
+    main()