Bug 1626098 - mach bootstrap - Only install python-pip on Ubuntu < 20.04 and Debian != "bullseye" r=firefox-build-system-reviewers,rstewart

Differential Revision: https://phabricator.services.mozilla.com/D68900

--HG--
extra : moz-landing-system : lando

python/mozboot/mozboot/bootstrap.py

@@ -257,6 +257,7 @@ class Bootstrapper(object):
             elif dist_id in DEBIAN_DISTROS:
                 cls = DebianBootstrapper
                 args['distro'] = dist_id
+                args['codename'] = codename
             elif dist_id in ('gentoo', 'funtoo'):
                 cls = GentooBootstrapper
             elif dist_id in ('solus'):

python/mozboot/mozboot/debian.py

@@ -51,7 +51,6 @@ class DebianBootstrapper(
         'autoconf2.13',
         'build-essential',
         'nodejs',
-        'python-pip',
         'python-setuptools',
         'unzip',
         'uuid',
@@ -97,12 +96,13 @@ class DebianBootstrapper(
     # Subclasses can add packages to this variable to have them installed.
     MOBILE_ANDROID_DISTRO_PACKAGES = []
 
-    def __init__(self, distro, version, dist_id, **kwargs):
+    def __init__(self, distro, version, dist_id, codename, **kwargs):
         BaseBootstrapper.__init__(self, **kwargs)
 
         self.distro = distro
         self.version = version
         self.dist_id = dist_id
+        self.codename = codename
 
         self.packages = self.COMMON_PACKAGES + self.DISTRO_PACKAGES
         if self.distro == 'debian':
@@ -112,6 +112,14 @@ class DebianBootstrapper(
         if self.distro == 'ubuntu' and int(self.version.split('.')[0]) >= 20:
             self.packages.extend(['python2.7', 'python2.7-dev'])
         else:
+            if (self.distro == 'ubuntu'
+                or (self.distro == 'debian' and self.codename != "bullseye")):
+                # On old Ubuntu and Debian before bullseye (11), it was called this way
+                # Note that we don't use Debian version code as the Python API doesn't provide
+                # it yet
+                # TODO: Update once bullseye is released in 2021
+                self.packages.append('python-pip')
+
             self.packages.append('python-dev')
         self.browser_packages = self.BROWSER_COMMON_PACKAGES + self.BROWSER_DISTRO_PACKAGES
         self.mobile_android_packages = self.MOBILE_ANDROID_COMMON_PACKAGES + \