Re-land: Removed virtualenv from depot_tools

bootstrap/virtualenv/bin/rebuild-script.py

Index: bootstrap/virtualenv/bin/rebuild-script.py
diff --git a/bootstrap/virtualenv/bin/rebuild-script.py b/bootstrap/virtualenv/bin/rebuild-script.py
deleted file mode 100755
index 44fb1296e5a4eccc1ff6de670b91018ca79b7307..0000000000000000000000000000000000000000
--- a/bootstrap/virtualenv/bin/rebuild-script.py
+++ /dev/null
@@ -1,71 +0,0 @@
-#!/usr/bin/env python
-"""
-Helper script to rebuild virtualenv.py from virtualenv_support
-"""
-
-import re
-import os
-import sys
-
-here = os.path.dirname(__file__)
-script = os.path.join(here, '..', 'virtualenv.py')
-
-file_regex = re.compile(
-    r'##file (.*?)\n([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*convert\("""(.*?)"""\)',
-    re.S)
-file_template = '##file %(filename)s\n%(varname)s = convert("""\n%(data)s""")'
-
-def rebuild():
-    f = open(script, 'rb')
-    content = f.read()
-    f.close()
-    parts = []
-    last_pos = 0
-    match = None
-    for match in file_regex.finditer(content):
-        parts.append(content[last_pos:match.start()])
-        last_pos = match.end()
-        filename = match.group(1)
-        varname = match.group(2)
-        data = match.group(3)
-        print('Found reference to file %s' % filename)
-        pathname = os.path.join(here, '..', 'virtualenv_embedded', filename)
-        f = open(pathname, 'rb')
-        c = f.read()
-        f.close()
-        new_data = c.encode('zlib').encode('base64')
-        if new_data == data:
-            print('  Reference up to date (%s bytes)' % len(c))
-            parts.append(match.group(0))
-            continue
-        print('  Content changed (%s bytes -> %s bytes)' % (
-            zipped_len(data), len(c)))
-        new_match = file_template % dict(
-            filename=filename,
-            varname=varname,
-            data=new_data)
-        parts.append(new_match)
-    parts.append(content[last_pos:])
-    new_content = ''.join(parts)
-    if new_content != content:
-        sys.stdout.write('Content updated; overwriting... ')
-        f = open(script, 'wb')
-        f.write(new_content)
-        f.close()
-        print('done.')
-    else:
-        print('No changes in content')
-    if match is None:
-        print('No variables were matched/found')
-
-def zipped_len(data):
-    if not data:
-        return 'no data'
-    try:
-        return len(data.decode('base64').decode('zlib'))
-    except:
-        return 'unknown'
-
-if __name__ == '__main__':
-    rebuild()
-