Allow passing a --no-progress-bar to the install script to surpress p…

…rogress bar

pip/cmdoptions.py

@@ -119,6 +119,15 @@ def getname(n):
           ' levels).')
 )
 
+no_progress_bar = partial(
+    Option,
+    "--no-progress-bar",
+    dest="no_progress_bar",
+    action="store_true",
+    default=False,
+    help="Surpress progress bar.")
+
+
 log = partial(
     Option,
     "--log", "--log-file", "--local-log",
@@ -529,6 +538,7 @@ def only_binary():
     help="Don't periodically check PyPI to determine whether a new version "
          "of pip is available for download. Implied with --no-index.")
 
+
 # Deprecated, Remove later
 always_unzip = partial(
     Option,

pip/commands/install.py

@@ -181,6 +181,7 @@ def __init__(self, *args, **kw):
         cmd_opts.add_option(cmdoptions.pre())
         cmd_opts.add_option(cmdoptions.no_clean())
         cmd_opts.add_option(cmdoptions.require_hashes())
+        cmd_opts.add_option(cmdoptions.no_progress_bar())
 
         index_opts = cmdoptions.make_option_group(
             cmdoptions.index_group,
@@ -306,6 +307,7 @@ def run(self, options, args):
                     isolated=options.isolated_mode,
                     wheel_cache=wheel_cache,
                     require_hashes=options.require_hashes,
+                    progress_bar=(not options.no_progress_bar),
                 )
 
                 self.populate_requirement_set(

pip/download.py

@@ -514,16 +514,17 @@ def _progress_indicator(iterable, *args, **kwargs):
     return iterable
 
 
-def _download_url(resp, link, content_file, hashes):
+def _download_url(resp, link, content_file, hashes, progress_bar):
     try:
         total_length = int(resp.headers['content-length'])
     except (ValueError, KeyError, TypeError):
         total_length = 0
 
     cached_resp = getattr(resp, "from_cache", False)
-
     if logger.getEffectiveLevel() > logging.INFO:
         show_progress = False
+    elif not progress_bar:
+        show_progress = False
     elif cached_resp:
         show_progress = False
     elif total_length > (40 * 1000):
@@ -638,7 +639,7 @@ def _copy_file(filename, location, link):
 
 
 def unpack_http_url(link, location, download_dir=None,
-                    session=None, hashes=None):
+                    session=None, hashes=None, progress_bar=True):
     if session is None:
         raise TypeError(
             "unpack_http_url() missing 1 required keyword argument: 'session'"
@@ -661,7 +662,8 @@ def unpack_http_url(link, location, download_dir=None,
         from_path, content_type = _download_http_url(link,
                                                      session,
                                                      temp_dir,
-                                                     hashes)
+                                                     hashes,
+                                                     progress_bar)
 
     # unpack the archive to the build dir location. even when only downloading
     # archives, they have to be unpacked to parse dependencies
@@ -790,7 +792,8 @@ def request(self, host, handler, request_body, verbose=False):
 
 
 def unpack_url(link, location, download_dir=None,
-               only_download=False, session=None, hashes=None):
+               only_download=False, session=None, hashes=None,
+               progress_bar=True):
     """Unpack link.
        If link is a VCS link:
          if only_download, export into download_dir and ignore location
@@ -823,13 +826,14 @@ def unpack_url(link, location, download_dir=None,
             location,
             download_dir,
             session,
-            hashes=hashes
+            hashes=hashes,
+            progress_bar=progress_bar
         )
     if only_download:
         write_delete_marker_file(location)
 
 
-def _download_http_url(link, session, temp_dir, hashes):
+def _download_http_url(link, session, temp_dir, hashes, progress_bar):
     """Download link url into temp_dir using provided session"""
     target_url = link.url.split('#', 1)[0]
     try:
@@ -884,7 +888,7 @@ def _download_http_url(link, session, temp_dir, hashes):
             filename += ext
     file_path = os.path.join(temp_dir, filename)
     with open(file_path, 'wb') as content_file:
-        _download_url(resp, link, content_file, hashes)
+        _download_url(resp, link, content_file, hashes, progress_bar)
     return file_path, content_type
 
 

pip/req/req_set.py

@@ -147,7 +147,7 @@ def __init__(self, build_dir, src_dir, download_dir, upgrade=False,
                  force_reinstall=False, use_user_site=False, session=None,
                  pycompile=True, isolated=False, wheel_download_dir=None,
                  wheel_cache=None, require_hashes=False,
-                 ignore_requires_python=False):
+                 ignore_requires_python=False, progress_bar=True):
         """Create a RequirementSet.
 
         :param wheel_download_dir: Where still-packed .whl files should be
@@ -182,6 +182,7 @@ def __init__(self, build_dir, src_dir, download_dir, upgrade=False,
         self.unnamed_requirements = []
         self.ignore_dependencies = ignore_dependencies
         self.ignore_requires_python = ignore_requires_python
+        self.progress_bar = progress_bar
         self.successfully_downloaded = []
         self.successfully_installed = []
         self.reqs_to_cleanup = []
@@ -618,7 +619,8 @@ def _prepare_file(self,
                     unpack_url(
                         req_to_install.link, req_to_install.source_dir,
                         download_dir, autodelete_unpacked,
-                        session=self.session, hashes=hashes)
+                        session=self.session, hashes=hashes,
+                        progress_bar=self.progress_bar)
                 except requests.HTTPError as exc:
                     logger.critical(
                         'Could not install requirement %s because '