Fix build breakage introduced in npm syncing

gratipay/package_managers/sync.py

@@ -15,6 +15,11 @@
 NULL = uuid.uuid4().hex
 
 
+def import_ijson():
+ import ijson.backends.yajl2_cffi as ijson
+ return ijson
+
+
 def arrayize(seq):
  """Given a sequence of str, return a Postgres array literal str.
  """
@@ -48,7 +53,7 @@ def serialize_one(out, package):
 def serialize(args):
  """Consume raw JSON from the npm registry and spit out CSV for Postgres.
  """
- import ijson.backends.yajl2_cffi as ijson
+ ijson = import_ijson()
 
  path = args.path
  parser = ijson.parse(open(path))

tests/py/test_npm_sync.py

@@ -4,8 +4,10 @@
 
 from subprocess import Popen, PIPE
 
+import pytest
+from gratipay.utils import markdown
 from gratipay.testing import Harness
-from gratipay.package_managers import readmes
+from gratipay.package_managers import readmes, sync
 
 
 def load(raw):
@@ -17,6 +19,22 @@ def load(raw):
  ).communicate(serialized)[0]
 
 
+try:
+ sync.import_ijson()
+except ImportError:
+ missing_ijson = True
+else:
+ missing_ijson = False
+
+try:
+ markdown.marky('test')
+except OSError:
+ missing_marky_markdown = True
+else:
+ missing_marky_markdown = False
+
+@pytest.mark.skipif(missing_ijson, reason="missing ijson")
+@pytest.mark.skipif(missing_marky_markdown, reason="missing marky-markdown")
 class Tests(Harness):
 
  def test_packages_starts_empty(self):
@@ -101,8 +119,7 @@ def fetch(name):
  package = self.db.one('SELECT * FROM packages')
  assert package.name == 'foo-package'
  assert package.description == 'A package'
- assert package.readme == '<h1 id="user-content-greetings-program" class="deep-link">' \
- '<a href="#greetings-program">Greetings, program!</a></h1>\n'
+ assert package.readme == '<h1><a id="user-content-greetings-program" class="deep-link" href="#greetings-program"><svg aria-hidden="true" class="deep-link-icon" height="16" version="1.1" width="16"><path d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Greetings, program!</h1>\n'
  assert package.readme_raw == '# Greetings, program!'
  assert package.readme_type == 'x-markdown/npm'
  assert package.emails == []