LPSpeakersMarkdown writes speakers.ids to disk.

The `speaker.ids` file contains a mapping of the speakers and their
corresponding ids. This file will later be used by LPSMarkdown and
LPSRenderer to auto link speakers while generating the sessions page.

Addresses issue #7

2 files changed, 41 insertions, 15 deletions

diff --git a/lps_gen.py b/lps_gen.py
index a153b95..3e74498 100644
--- a/lps_gen.py
+++ b/lps_gen.py
@@ -183,29 +183,29 @@ class LPSpeakersRenderer(Renderer):
         # 'keynote-speakers' or 'speakers'.'
         self.speaker_type = None
 
-        # Maintain a list of used IDs
-        self.used_ids = []
+        # Maintain a dict of speakers and their IDs.
+        self.speakers_ids = OrderedDict()
 
 
     def mk_uid(self, text):
         """Returns a unique id.
         """
         # 'John HÖcker, Onion Project' -> 'John HÖcker'
-        text = text.split(', ')[0]
+        speaker = unicode(text.split(', ')[0])
 
         # 'John HÖcker' -> 'John Hacker'
-        ascii_text = unidecode(unicode(text))
+        ascii_speaker = unidecode(speaker)
 
         # 'John Hacker' -> 'hacker'
-        id_ = ascii_text.split()[-1].lower()
+        id_ = ascii_speaker.split()[-1].lower()
 
-        if id_ not in self.used_ids:
-            self.used_ids.append(id_)
+        if id_ not in self.speakers_ids.values():
+            self.speakers_ids[speaker]= id_
             return id_
         else:
             # 'John Hacker' -> 'john_hacker'
-            id_ = '_'.join([s.lower() for s in ascii_text.split()])
-            self.used_ids.append(id_)
+            id_ = '_'.join([s.lower() for s in ascii_speaker.split()])
+            self.speakers_ids[speaker] = id_
             return id_
 
 
@@ -284,15 +284,21 @@ class LPSpeakersMarkdown(Markdown):
         """
         Initialize with LPSpeakersRenderer as the renderer.
         """
-        super(LPSpeakersMarkdown, self).__init__(renderer=LPSpeakersRenderer(),
-                                                 inline=None, block=None,
-                                                 **kwargs)
+        self.speakers_renderer = LPSpeakersRenderer()
+        super(LPSpeakersMarkdown, self).__init__(
+            renderer=self.speakers_renderer,
+            inline=None, block=None,
+            **kwargs)
 
 
     def parse(self, text):
         global lpspeakers_dict
 
         html = super(LPSpeakersMarkdown, self).parse(text)
+
+        # Write mapping of speakers and their ids to speakers.ids.
+        json_write('speakers.ids', self.speakers_renderer.speakers_ids)
+
         return lpspeakers_dict
 
 
diff --git a/tests/test_lps_gen.py b/tests/test_lps_gen.py
index 00b21ef..f4f64b5 100644
--- a/tests/test_lps_gen.py
+++ b/tests/test_lps_gen.py
@@ -288,10 +288,14 @@ class TestLPSpeakers(object):
     def setup_class(self):
         """Runs before running any tests in this class."""
 
-        self.MD_FILE = path.join('tests', 'files', 'lp-speakers.md')
+        # Change current working directory to the tests directory.
+        self.old_cwd = os.getcwd()
+        os.chdir('tests')
+
+        self.MD_FILE = path.join('files', 'lp-speakers.md')
         self.MD_FILE_CONTENT = read_file(self.MD_FILE)
 
-        self.SPEAKERS_TEMPLATE = path.join('tests', 'files',
+        self.SPEAKERS_TEMPLATE = path.join('files',
                                            'lp-speakers-2016.jinja2')
 
         self.markdown = LPSpeakersMarkdown()
@@ -303,6 +307,16 @@ class TestLPSpeakers(object):
         pass
 
 
+    def test_speakers_id_file_exists(self):
+        """
+        Testing if LPSpeakersMardown created speakers.ids file.
+        """
+        speakers_ids = self.markdown.speakers_renderer.speakers_ids
+
+        assert path.isfile('speakers.ids')
+        assert_equal(json_read('speakers.ids'), speakers_ids)
+
+
     def test_LPSpeakersMarkdown_keynotespeakers_name(self):
         """Testing LPSpeakersMarkdown keynote speakers' names.
 
@@ -528,4 +542,10 @@ class TestLPSpeakers(object):
     @classmethod
     def teardown_class(self):
         """Purge the mess created by this test."""
-        pass
+
+        # Remove `speakers.ids` file if it exists.
+        if path.isfile('speakers.ids'):
+            os.remove('speakers.ids')
+
+        # Change back to the old cwd
+        os.chdir(self.old_cwd)