Merge master

Author: makbigc

.gitignore

@@ -61,6 +61,7 @@ dist
 .coverage
 coverage.xml
 coverage_html_report
+.mypy_cache
 *.pytest_cache
 # hypothesis test database
 .hypothesis/

.travis.yml

@@ -41,7 +41,7 @@ matrix:
 
     - dist: trusty
       env:
-        - JOB="3.6, coverage" ENV_FILE="ci/deps/travis-36.yaml" PATTERN="((not slow and not network) or (single and db))" PANDAS_TESTING_MODE="deprecate" COVERAGE=true
+        - JOB="3.6, coverage" ENV_FILE="ci/deps/travis-36-cov.yaml" PATTERN="((not slow and not network) or (single and db))" PANDAS_TESTING_MODE="deprecate" COVERAGE=true
 
     # In allow_failures
     - dist: trusty
@@ -82,15 +82,10 @@ before_install:
 install:
   - echo "install start"
   - ci/prep_cython_cache.sh
-  - ci/install_travis.sh
+  - ci/setup_env.sh
   - ci/submit_cython_cache.sh
   - echo "install done"
 
-before_script:
-  - ci/install_db_travis.sh
-  - export DISPLAY=":99.0"
-  - ci/before_script_travis.sh
-
 script:
   - echo "script start"
   - source activate pandas-dev

README.md

@@ -164,7 +164,7 @@ pip install pandas
 ```
 
 ## Dependencies
-- [NumPy](https://www.numpy.org): 1.12.0 or higher
+- [NumPy](https://www.numpy.org): 1.13.3 or higher
 - [python-dateutil](https://labix.org/python-dateutil): 2.5.0 or higher
 - [pytz](https://pythonhosted.org/pytz): 2015.4 or higher
 

asv_bench/benchmarks/io/csv.py

@@ -4,7 +4,7 @@
 import numpy as np
 import pandas.util.testing as tm
 from pandas import DataFrame, Categorical, date_range, read_csv
-from pandas.compat import cStringIO as StringIO
+from io import StringIO
 
 from ..pandas_vb_common import BaseIO
 

asv_bench/benchmarks/io/excel.py

@@ -1,6 +1,6 @@
+from io import BytesIO
 import numpy as np
 from pandas import DataFrame, date_range, ExcelWriter, read_excel
-from pandas.compat import BytesIO
 import pandas.util.testing as tm
 
 

asv_bench/benchmarks/rolling.py

@@ -113,4 +113,20 @@ def time_quantile(self, constructor, window, dtype, percentile,
         self.roll.quantile(percentile, interpolation=interpolation)
 
 
+class PeakMemFixed(object):
+
+    def setup(self):
+        N = 10
+        arr = 100 * np.random.random(N)
+        self.roll = pd.Series(arr).rolling(10)
+
+    def peakmem_fixed(self):
+        # GH 25926
+        # This is to detect memory leaks in rolling operations.
+        # To save time this is only ran on one method.
+        # 6000 iterations is enough for most types of leaks to be detected
+        for x in range(6000):
+            self.roll.max()
+
+
 from .pandas_vb_common import setup  # noqa: F401

azure-pipelines.yml

@@ -39,9 +39,8 @@ jobs:
   - script: |
       export PATH=$HOME/miniconda3/bin:$PATH
       sudo apt-get install -y libc6-dev-i386
-      ci/incremental/install_miniconda.sh
-      ci/incremental/setup_conda_environment.sh
-    displayName: 'Set up environment'
+      ci/setup_env.sh
+    displayName: 'Setup environment and build pandas'
     condition: true
 
   # Do not require pandas
@@ -59,13 +58,6 @@ jobs:
     displayName: 'Dependencies consistency'
     condition: true
 
-  - script: |
-      export PATH=$HOME/miniconda3/bin:$PATH
-      source activate pandas-dev
-      ci/incremental/build.sh
-    displayName: 'Build'
-    condition: true
-
   # Require pandas
   - script: |
       export PATH=$HOME/miniconda3/bin:$PATH
@@ -88,6 +80,13 @@ jobs:
     displayName: 'Docstring validation'
     condition: true
 
+  - script: |
+      export PATH=$HOME/miniconda3/bin:$PATH
+      source activate pandas-dev
+      ci/code_checks.sh typing
+    displayName: 'Typing validation'
+    condition: true
+
   - script: |
       export PATH=$HOME/miniconda3/bin:$PATH
       source activate pandas-dev

ci/azure/posix.yml

@@ -15,6 +15,18 @@ jobs:
           PATTERN: "not slow and not network"
 
       ${{ if eq(parameters.name, 'Linux') }}:
+        py35_compat:
+          ENV_FILE: ci/deps/azure-35-compat.yaml
+          CONDA_PY: "35"
+          PATTERN: "not slow and not network"
+
+        py36_locale_slow_old_np:
+          ENV_FILE: ci/deps/azure-36-locale.yaml
+          CONDA_PY: "36"
+          PATTERN: "slow"
+          LOCALE_OVERRIDE: "zh_CN.UTF-8"
+          EXTRA_APT: "language-pack-zh-hans"
+
         py36_locale_slow:
           ENV_FILE: ci/deps/azure-36-locale_slow.yaml
           CONDA_PY: "36"
@@ -38,17 +50,9 @@ jobs:
   steps:
     - script: |
         if [ "$(uname)" == "Linux" ]; then sudo apt-get install -y libc6-dev-i386 $EXTRA_APT; fi
-        echo "Installing Miniconda"
-        ci/incremental/install_miniconda.sh
-        export PATH=$HOME/miniconda3/bin:$PATH
-        echo "Setting up Conda environment"
-        ci/incremental/setup_conda_environment.sh
-      displayName: 'Before Install'
-    - script: |
-        export PATH=$HOME/miniconda3/bin:$PATH
-        source activate pandas-dev
-        ci/incremental/build.sh
-      displayName: 'Build'
+        echo "Creating Environment"
+        ci/setup_env.sh
+      displayName: 'Setup environment and build pandas'
     - script: |
         export PATH=$HOME/miniconda3/bin:$PATH
         source activate pandas-dev

ci/azure/windows.yml

@@ -8,10 +8,14 @@ jobs:
     vmImage: ${{ parameters.vmImage }}
   strategy:
     matrix:
-      py36_np14:
+      py36_np15:
         ENV_FILE: ci/deps/azure-windows-36.yaml
         CONDA_PY: "36"
 
+      py37_np141:
+        ENV_FILE: ci/deps/azure-windows-37.yaml
+        CONDA_PY: "37"
+
   steps:
     - task: CondaEnvironment@1
       inputs: