Remove pandas from dev requirements and tests

Results in needing one more # pragma: nocover statement, but on a
simple line of code. See PR #253 for details and motivation.

Author: jsvine

pdfplumber/utils.py

@@ -163,7 +163,7 @@ def is_dataframe(collection):
 
 def to_list(collection):
     if is_dataframe(collection):
-        return collection.to_dict("records")
+        return collection.to_dict("records")  # pragma: nocover
     else:
         return list(collection)
 

requirements-dev.txt

@@ -1,4 +1,3 @@
-pandas>=1.0.0
 pytest
 pytest-cov
 pytest-parallel

tests/pdfs/pdffill-demo.pdf

@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 import unittest
 import pytest
-import pandas as pd
 import pdfplumber
 import sys, os
 

tests/test_basics.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 import unittest
-import pandas as pd
 import pdfplumber
 from pdfplumber import utils
 from pdfplumber import table
@@ -37,7 +36,7 @@ def test_objects(self):
         assert len(self.pdf.figures)
         assert len(self.pdf.images)
 
-    def test_pandas(self):
+    def test_parse(self):
 
         rect_x0_clusters = utils.cluster_list([ r["x0"]
             for r in self.pdf.pages[1].rects ], tolerance=3)

tests/test_ca_warn_report.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 import unittest
 import pytest
-import pandas as pd
 import pdfplumber
 from subprocess import Popen, PIPE
 from io import StringIO

tests/test_convert.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 import unittest
-import pandas as pd
 import pdfplumber
 import sys, os, io
 

tests/test_display.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 import unittest
-import pandas as pd
 import pdfplumber
 import sys, os
 import six

tests/test_issues.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 import unittest
-import pandas as pd
 import pdfplumber
 from operator import itemgetter
 from pdfplumber.utils import within_bbox, collate_chars
@@ -86,36 +85,6 @@ def parse_row(row):
         month_text = collate_chars(month_chars)
         assert(month_text == "November - 2015")
 
-    def test_pandas(self):
-        page = self.pdf.pages[0]
-        cropped = page.crop((0, 80, self.PDF_WIDTH, 485))
-        table = cropped.extract_table({
-            "horizontal_strategy": "text",
-            "explicit_vertical_lines": [
-                min(map(itemgetter("x0"), cropped.chars))
-            ],
-            "intersection_tolerance": 5
-        })
-
-        table = pd.DataFrame(table)
-
-        def parse_value(x):
-            if pd.isnull(x) or x == "": return None
-            return int(x.replace(",", ""))
-
-        table.columns = COLUMNS
-        table[table.columns[1:]] = table[table.columns[1:]].applymap(parse_value)
-
-        # [1:] because first column is state name
-        for c in COLUMNS[1:]:
-            total = table[c].iloc[-1]
-            colsum = table[c].sum()
-            assert(colsum == (total * 2))
-
-        month_chars = within_bbox(page.chars, (0, 35, self.PDF_WIDTH, 65))
-        month_text = collate_chars(month_chars)
-        assert(month_text == "November - 2015")
-
     def test_filter(self):
         page = self.pdf.pages[0]
         def test(obj):