svg bar charts: remove date metadata with latest matplotlib version

doc/charts/chart_deploy_time_debian.svg

@@ -7,7 +7,7 @@
   <rdf:RDF xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
    <cc:Work>
     <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
-    <dc:date>2020-08-16T19:18:09.724445</dc:date>
+    <dc:date/>
     <dc:format>image/svg+xml</dc:format>
     <dc:creator>
      <cc:Agent>

doc/charts/chart_deploy_time_win10.svg

@@ -7,7 +7,7 @@
   <rdf:RDF xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
    <cc:Work>
     <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
-    <dc:date>2020-08-16T19:18:10.751033</dc:date>
+    <dc:date/>
     <dc:format>image/svg+xml</dc:format>
     <dc:creator>
      <cc:Agent>

doc/charts/chart_deploy_time_xubuntu.svg

@@ -7,7 +7,7 @@
   <rdf:RDF xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
    <cc:Work>
     <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
-    <dc:date>2020-08-16T19:18:10.244037</dc:date>
+    <dc:date/>
     <dc:format>image/svg+xml</dc:format>
     <dc:creator>
      <cc:Agent>

doc/charts/chart_image_sizes_debian.svg

@@ -7,7 +7,7 @@
   <rdf:RDF xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
    <cc:Work>
     <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
-    <dc:date>2020-08-16T19:18:08.204014</dc:date>
+    <dc:date/>
     <dc:format>image/svg+xml</dc:format>
     <dc:creator>
      <cc:Agent>

doc/charts/chart_image_sizes_win10.svg

@@ -7,7 +7,7 @@
   <rdf:RDF xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
    <cc:Work>
     <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
-    <dc:date>2020-08-16T19:18:09.215542</dc:date>
+    <dc:date/>
     <dc:format>image/svg+xml</dc:format>
     <dc:creator>
      <cc:Agent>

doc/charts/chart_image_sizes_xubuntu.svg

@@ -7,7 +7,7 @@
   <rdf:RDF xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
    <cc:Work>
     <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
-    <dc:date>2020-08-16T19:18:08.711073</dc:date>
+    <dc:date/>
     <dc:format>image/svg+xml</dc:format>
     <dc:creator>
      <cc:Agent>

doc/charts/chart_protocols.svg

@@ -7,7 +7,7 @@
   <rdf:RDF xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
    <cc:Work>
     <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
-    <dc:date>2020-08-16T19:18:07.697144</dc:date>
+    <dc:date/>
     <dc:format>image/svg+xml</dc:format>
     <dc:creator>
      <cc:Agent>

doc/csv2barchart.py

@@ -10,6 +10,7 @@ import matplotlib.pyplot as plt
 # this is a seed that makes the random id in svg always the same for the same input
 mpl.rcParams['svg.hashsalt'] = 'bootiful'
 
+
 def remove_newlines(value):
     return str(value).replace('\n', ' ')
 
@@ -25,10 +26,10 @@ def csv_to_barchart(file: TextIO) -> plt.Figure:
     print(f'|--|--|{"--|" * len(other_labels)}')
 
     data_csv_reader = csv.reader(file, delimiter=';', quoting=csv.QUOTE_NONNUMERIC)
-    xs=[]
-    xticks=[]
-    yticks=[]
-    ys=[]
+    xs = []
+    xticks = []
+    yticks = []
+    ys = []
     for (x, (xtick, y, *other_values)) in enumerate(data_csv_reader):
         ytick = format_value(y)
         print(f'|{remove_newlines(xtick)}|{ytick}|{"".join([f"{format_value(value)}|" for value in other_values])}')
@@ -40,16 +41,17 @@ def csv_to_barchart(file: TextIO) -> plt.Figure:
     fig = plt.figure()
     plt.bar(xs, ys)
     plt.xticks(xs, xticks)
-    #plt.yticks(ys, yticks)
+    # plt.yticks(ys, yticks)
     plt.xlabel(xlabel)
     plt.ylabel(ylabel)
     plt.gcf().subplots_adjust(bottom=0.15)
     plt.tick_params(axis='x', labelsize=10)
     return fig
 
+
 if __name__ == '__main__':
     filenames = argv[1:]
     fig = csv_to_barchart(stdin)
 
     for filename in filenames:
-        fig.savefig(filename)
\ No newline at end of file
+        fig.savefig(filename, metadata={'Date': ''})