Add analysis for CKAN tags and report generation in Makefile.

Makefile

@@ -1,21 +1,89 @@
 VENV=venv/bin/activate
 OUTPUT_DIR=output
-DATA=$(OUTPUT_DIR)/hdx-hashtag-stats.csv
-SCRIPT=crawl-hdx.py
+HASHTAG_SCRIPT=crawl-hdx.py
+HASHTAG_DATA=$(OUTPUT_DIR)/hdx-hashtag-stats.csv
+CKAN_TAG_SCRIPT=ckan-tags.py
+CKAN_TAG_DATA=$(OUTPUT_DIR)/hxl-ckan-tags.csv
 
-run: $(DATA)
+DATA_SERIES_DATA=$(OUTPUT_DIR)/data-series.csv
 
-$(DATA): $(VENV) $(SCRIPT)
-	. $(VENV) && mkdir -p $(OUTPUT_DIR) && python3 $(SCRIPT) > $@
+REPORTS=$(OUTPUT_DIR)/report-hashtags-by-data-series.csv \
+	$(OUTPUT_DIR)/report-tagspecs-by-data-series.csv \
+	$(OUTPUT_DIR)/report-hashtags-by-org.csv \
+	$(OUTPUT_DIR)/report-tagspecs-by-org.csv
+
+all: hashtag-data ckan-tags
+
+hashtag-data: $(HASHTAG_DATA)
+
+ckan-tags: $(CKAN_TAG_DATA)
+
+data-series: $(DATA_SERIES_DATA)
+
+reports: $(REPORTS)
+
+$(HASHTAG_DATA): $(VENV) $(HASHTAG_SCRIPT)
+	. $(VENV) && python3 $(HASHTAG_SCRIPT) > $@
+
+$(CKAN_TAG_DATA): $(VENV) $(CKAN_TAG_SCRIPT) $(DATA_SERIES_DATA)
+	. $(VENV) && python3 $(CKAN_TAG_SCRIPT) | hxlmerge -k meta+dataset -t meta+hash -m $(DATA_SERIES_DATA) > $@
+
+$(DATA_SERIES_DATA): $(VENV) $(HASHTAG_DATA)
+	. $(VENV) && cat $(HASHTAG_DATA) | hxlcut -i meta+dataset,meta+hash | hxlsort -t meta+hash | hxldedup -t meta+dataset > $@
+
+# Reports
+
+$(OUTPUT_DIR)/report-hashtags-by-data-series.csv: $(HASHTAG_DATA) $(DATA_SERIES_DATA)
+	. $(VENV) && cat $(HASHTAG_DATA) \
+	| hxlcut -i meta+tag,meta+dataset \
+	| hxlmerge -m $(DATA_SERIES_DATA) -k meta+dataset -t meta+hash \
+	| hxldedup -t meta+tag,meta+hash \
+	| hxlcount -t meta+tag \
+	| hxlsort -r -t meta+count \
+	> $@
+
+$(OUTPUT_DIR)/report-tagspecs-by-data-series.csv: $(HASHTAG_DATA) $(DATA_SERIES_DATA)
+	. $(VENV) && cat $(HASHTAG_DATA) \
+	| hxlcut -i meta+tagspec,meta+dataset \
+	| hxlmerge -m $(DATA_SERIES_DATA) -k meta+dataset -t meta+hash \
+	| hxldedup -t meta+tagspec,meta+hash \
+	| hxlcount -t meta+tagspec \
+	| hxlsort -r -t meta+count \
+	> $@
+
+$(OUTPUT_DIR)/report-hashtags-by-org.csv: $(HASHTAG_DATA)
+	. $(VENV) && cat $(HASHTAG_DATA) \
+	| hxlcut -i meta+tag,org \
+	| hxldedup -t meta+tag,org \
+	| hxlcount -t meta+tag \
+	| hxlsort -r -t meta+count \
+	> $@
+
+$(OUTPUT_DIR)/report-tagspecs-by-org.csv: $(HASHTAG_DATA)
+	. $(VENV) && cat $(HASHTAG_DATA) \
+	| hxlcut -i meta+tagspec,org \
+	| hxldedup -t meta+tagspec,org \
+	| hxlcount -t meta+tagspec \
+	| hxlsort -r -t meta+count \
+	> $@
+
+
+# Admin
 
 $(VENV):
 	rm -rf venv && python3 -m venv venv && pip3 install -r requirements.txt
 
+$(OUTPUT_DIR):
+	mkdir -p $(OUTPUT_DIR)
+
 sync:
 	git checkout main && git pull origin main && git push origin main
 
-clean:
+clean-all: clean-reports clean-venv
+
+clean-reports:
+	rm -f $(REPORTS)
+
+clean-venv:
 	rm -rf venv
 
-real-clean: clean
-	rm -rf output && mkdir output

ckan-tags.py

@@ -0,0 +1,45 @@
+""" Find tags correlated with HXL datasets
+"""
+
+import ckancrawler, csv, sys
+
+URL = 'https://data.humdata.org'
+""" HDX URL
+"""
+
+SEARCH_FQ = 'vocab_Topics:hxl'
+""" CKAN tag for HXL
+"""
+
+USER_AGENT = 'HDX-Developer-2015'
+""" User agent to pass to CKAN (for analytics)
+"""
+
+crawler = ckancrawler.Crawler(URL, delay=0, user_agent=USER_AGENT)
+
+output = csv.writer(sys.stdout)
+
+output.writerow([
+    "Dataset",
+    "Organisation",
+    "CKAN tag",
+])
+
+output.writerow([
+    "#meta+dataset",
+    "#org+provider",
+    "#meta+tag",
+])
+
+for dataset in crawler.packages(fq=SEARCH_FQ):
+
+    for tag in dataset['tags']:
+        if tag['name'] != 'hxl':
+            output.writerow([
+                dataset['name'],
+                dataset['organization']['name'],
+                tag['name'],
+            ])
+
+sys.exit(0)
+

requirements.txt

@@ -1,3 +1,4 @@
 ckanapi
+ckancrawler
 libhxl>=4.7
 requests