[GitHub] [incubator-heron] thinker0 commented on a change in pull request #3580: Fix log-reader for Python3

2020-07-22 Thread GitBox 


thinker0 commented on a change in pull request #3580:
URL: https://github.com/apache/incubator-heron/pull/3580#discussion_r459189749



##
File path: heron/shell/src/python/utils.py
##
@@ -135,21 +135,22 @@ def read_chunk(filename, offset=-1, length=-1, 
escape_data=False):
   if length == -1:
 length = fstat.st_size - offset
 
-  with open(filename, "r") as fp:
+  with open(filename, "rb") as fp:
 fp.seek(offset)
 try:
   data = fp.read(length)
 except IOError:
   return {}
 
   if data:
-data = _escape_data(data) if escape_data else data
+# use permissive decoding and escaping if escape_data is set, otherwise 
use strict decoding
+data = _escape_data(data) if escape_data else data.decode()
 return dict(offset=offset, length=len(data), data=data)
 
   return dict(offset=offset, length=0)
 
 def _escape_data(data):
-  return escape(data.decode('utf8', 'replace'))

Review comment:
   ```
   escape(data.decode())
   ```
   It works because I modified it.





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[GitHub] [incubator-heron] thinker0 commented on a change in pull request #3580: Fix log-reader for Python3

2020-07-22 Thread GitBox 


thinker0 commented on a change in pull request #3580:
URL: https://github.com/apache/incubator-heron/pull/3580#discussion_r459174401



##
File path: heron/shell/src/python/utils.py
##
@@ -135,21 +135,22 @@ def read_chunk(filename, offset=-1, length=-1, 
escape_data=False):
   if length == -1:
 length = fstat.st_size - offset
 
-  with open(filename, "r") as fp:
+  with open(filename, "rb") as fp:
 fp.seek(offset)
 try:
   data = fp.read(length)
 except IOError:
   return {}
 
   if data:
-data = _escape_data(data) if escape_data else data
+# use permissive decoding and escaping if escape_data is set, otherwise 
use strict decoding
+data = _escape_data(data) if escape_data else data.decode()
 return dict(offset=offset, length=len(data), data=data)
 
   return dict(offset=offset, length=0)
 
 def _escape_data(data):
-  return escape(data.decode('utf8', 'replace'))

Review comment:
   ```
   with open(filename, "rb") as fp:
   ```
   If you read it as binary, escape doesn't work.
   ```
   [E 200723 10:40:39 web:1407] Uncaught exception GET 
/filedata/./log-files/container_46_pulsar-prod-4_96.log.0?offset=4191685=5
 (10.128.139.55)
   HTTPServerRequest(protocol='http', 
host='shared-aurora-044-ladp-jp2p-prod:31516', method='GET', 
uri='/filedata/./log-files/container_46_pulsar-prod-4_96.log.0?offset=4191685=5',
 version='HTTP/1.1', remote_ip='10.128.139.55', headers={'Connection': 'close', 
'Host': 'shared-aurora-044-ladp-jp2p-prod:31516', 'Accept-Encoding': 'gzip'})
   Traceback (most recent call last):
 File 
"/var/lib/mesos/slaves/9a7b96a9-a670-48e3-bedf-051a91ac5a9b-S251/frameworks/c663397e-a472-43bd-92dd-d97027fcf6ce-/executors/thermos-www-release-heron-system-access-es-others-46-02c80d1d-6257-4b42-829c-6fafbed25b8d/runs/8597c5be-55d4-4b8b-9e2e-2b8faddc3372/sandbox/.pex/installed_wheels/ba642ca162d5bf8bbf2fad77d02edcf2a3188eb8/tornado-4.0.2-cp36-cp36m-linux_x86_64.whl/tornado/web.py",
 line 1288, in _stack_context_handle_exception
   raise_exc_info((type, value, traceback))
 File "", line 3, in raise_exc_info
 File 
"/var/lib/mesos/slaves/9a7b96a9-a670-48e3-bedf-051a91ac5a9b-S251/frameworks/c663397e-a472-43bd-92dd-d97027fcf6ce-/executors/thermos-www-release-heron-system-access-es-others-46-02c80d1d-6257-4b42-829c-6fafbed25b8d/runs/8597c5be-55d4-4b8b-9e2e-2b8faddc3372/sandbox/.pex/installed_wheels/ba642ca162d5bf8bbf2fad77d02edcf2a3188eb8/tornado-4.0.2-cp36-cp36m-linux_x86_64.whl/tornado/web.py",
 line 1475, in wrapper
   result = method(self, *args, **kwargs)
 File 
"/var/lib/mesos/slaves/9a7b96a9-a670-48e3-bedf-051a91ac5a9b-S251/frameworks/c663397e-a472-43bd-92dd-d97027fcf6ce-/executors/thermos-www-release-heron-system-access-es-others-46-02c80d1d-6257-4b42-829c-6fafbed25b8d/runs/8597c5be-55d4-4b8b-9e2e-2b8faddc3372/sandbox/.pex/code/ca989480a7444b1c46f32b02147ba41568922357/heron/shell/src/python/handlers/filedatahandler.py",
 line 50, in get
   data = utils.read_chunk(path, offset=offset, length=length, 
escape_data=True)
 File 
"/var/lib/mesos/slaves/9a7b96a9-a670-48e3-bedf-051a91ac5a9b-S251/frameworks/c663397e-a472-43bd-92dd-d97027fcf6ce-/executors/thermos-www-release-heron-system-access-es-others-46-02c80d1d-6257-4b42-829c-6fafbed25b8d/runs/8597c5be-55d4-4b8b-9e2e-2b8faddc3372/sandbox/.pex/code/ca989480a7444b1c46f32b02147ba41568922357/heron/shell/src/python/utils.py",
 line 147, in read_chunk
   data = _escape_data(data) if escape_data else data.decode()
 File 
"/var/lib/mesos/slaves/9a7b96a9-a670-48e3-bedf-051a91ac5a9b-S251/frameworks/c663397e-a472-43bd-92dd-d97027fcf6ce-/executors/thermos-www-release-heron-system-access-es-others-46-02c80d1d-6257-4b42-829c-6fafbed25b8d/runs/8597c5be-55d4-4b8b-9e2e-2b8faddc3372/sandbox/.pex/code/ca989480a7444b1c46f32b02147ba41568922357/heron/shell/src/python/utils.py",
 line 153, in _escape_data
   return escape(data)
 File "/usr/lib64/python3.6/xml/sax/saxutils.py", line 27, in escape
   data = data.replace("&", "")
   TypeError: a bytes-like object is required, not 'str'
   ```





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[GitHub] [incubator-heron] thinker0 commented on a change in pull request #3580: Fix log-reader for Python3

2020-07-22 Thread GitBox 


thinker0 commented on a change in pull request #3580:
URL: https://github.com/apache/incubator-heron/pull/3580#discussion_r459174401



##
File path: heron/shell/src/python/utils.py
##
@@ -135,21 +135,22 @@ def read_chunk(filename, offset=-1, length=-1, 
escape_data=False):
   if length == -1:
 length = fstat.st_size - offset
 
-  with open(filename, "r") as fp:
+  with open(filename, "rb") as fp:
 fp.seek(offset)
 try:
   data = fp.read(length)
 except IOError:
   return {}
 
   if data:
-data = _escape_data(data) if escape_data else data
+# use permissive decoding and escaping if escape_data is set, otherwise 
use strict decoding
+data = _escape_data(data) if escape_data else data.decode()
 return dict(offset=offset, length=len(data), data=data)
 
   return dict(offset=offset, length=0)
 
 def _escape_data(data):
-  return escape(data.decode('utf8', 'replace'))

Review comment:
   ```
   with open(filename, "r") as fp:
   ```
   If you read it as binary, escape doesn't work.
   ```
   [E 200723 10:40:39 web:1407] Uncaught exception GET 
/filedata/./log-files/container_46_pulsar-prod-4_96.log.0?offset=4191685=5
 (10.128.139.55)
   HTTPServerRequest(protocol='http', 
host='shared-aurora-044-ladp-jp2p-prod:31516', method='GET', 
uri='/filedata/./log-files/container_46_pulsar-prod-4_96.log.0?offset=4191685=5',
 version='HTTP/1.1', remote_ip='10.128.139.55', headers={'Connection': 'close', 
'Host': 'shared-aurora-044-ladp-jp2p-prod:31516', 'Accept-Encoding': 'gzip'})
   Traceback (most recent call last):
 File 
"/var/lib/mesos/slaves/9a7b96a9-a670-48e3-bedf-051a91ac5a9b-S251/frameworks/c663397e-a472-43bd-92dd-d97027fcf6ce-/executors/thermos-www-release-heron-system-access-es-others-46-02c80d1d-6257-4b42-829c-6fafbed25b8d/runs/8597c5be-55d4-4b8b-9e2e-2b8faddc3372/sandbox/.pex/installed_wheels/ba642ca162d5bf8bbf2fad77d02edcf2a3188eb8/tornado-4.0.2-cp36-cp36m-linux_x86_64.whl/tornado/web.py",
 line 1288, in _stack_context_handle_exception
   raise_exc_info((type, value, traceback))
 File "", line 3, in raise_exc_info
 File 
"/var/lib/mesos/slaves/9a7b96a9-a670-48e3-bedf-051a91ac5a9b-S251/frameworks/c663397e-a472-43bd-92dd-d97027fcf6ce-/executors/thermos-www-release-heron-system-access-es-others-46-02c80d1d-6257-4b42-829c-6fafbed25b8d/runs/8597c5be-55d4-4b8b-9e2e-2b8faddc3372/sandbox/.pex/installed_wheels/ba642ca162d5bf8bbf2fad77d02edcf2a3188eb8/tornado-4.0.2-cp36-cp36m-linux_x86_64.whl/tornado/web.py",
 line 1475, in wrapper
   result = method(self, *args, **kwargs)
 File 
"/var/lib/mesos/slaves/9a7b96a9-a670-48e3-bedf-051a91ac5a9b-S251/frameworks/c663397e-a472-43bd-92dd-d97027fcf6ce-/executors/thermos-www-release-heron-system-access-es-others-46-02c80d1d-6257-4b42-829c-6fafbed25b8d/runs/8597c5be-55d4-4b8b-9e2e-2b8faddc3372/sandbox/.pex/code/ca989480a7444b1c46f32b02147ba41568922357/heron/shell/src/python/handlers/filedatahandler.py",
 line 50, in get
   data = utils.read_chunk(path, offset=offset, length=length, 
escape_data=True)
 File 
"/var/lib/mesos/slaves/9a7b96a9-a670-48e3-bedf-051a91ac5a9b-S251/frameworks/c663397e-a472-43bd-92dd-d97027fcf6ce-/executors/thermos-www-release-heron-system-access-es-others-46-02c80d1d-6257-4b42-829c-6fafbed25b8d/runs/8597c5be-55d4-4b8b-9e2e-2b8faddc3372/sandbox/.pex/code/ca989480a7444b1c46f32b02147ba41568922357/heron/shell/src/python/utils.py",
 line 147, in read_chunk
   data = _escape_data(data) if escape_data else data.decode()
 File 
"/var/lib/mesos/slaves/9a7b96a9-a670-48e3-bedf-051a91ac5a9b-S251/frameworks/c663397e-a472-43bd-92dd-d97027fcf6ce-/executors/thermos-www-release-heron-system-access-es-others-46-02c80d1d-6257-4b42-829c-6fafbed25b8d/runs/8597c5be-55d4-4b8b-9e2e-2b8faddc3372/sandbox/.pex/code/ca989480a7444b1c46f32b02147ba41568922357/heron/shell/src/python/utils.py",
 line 153, in _escape_data
   return escape(data)
 File "/usr/lib64/python3.6/xml/sax/saxutils.py", line 27, in escape
   data = data.replace("&", "")
   TypeError: a bytes-like object is required, not 'str'
   ```





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[GitHub] [incubator-heron] thinker0 commented on a change in pull request #3580: Fix log-reader for Python3

2020-07-22 Thread GitBox 


thinker0 commented on a change in pull request #3580:
URL: https://github.com/apache/incubator-heron/pull/3580#discussion_r459171310



##
File path: heron/shell/src/python/utils.py
##
@@ -135,21 +135,22 @@ def read_chunk(filename, offset=-1, length=-1, 
escape_data=False):
   if length == -1:
 length = fstat.st_size - offset
 
-  with open(filename, "r") as fp:
+  with open(filename, "rb") as fp:
 fp.seek(offset)
 try:
   data = fp.read(length)
 except IOError:
   return {}
 
   if data:
-data = _escape_data(data) if escape_data else data
+# use permissive decoding and escaping if escape_data is set, otherwise 
use strict decoding
+data = _escape_data(data) if escape_data else data.decode()
 return dict(offset=offset, length=len(data), data=data)
 
   return dict(offset=offset, length=0)
 
 def _escape_data(data):
-  return escape(data.decode('utf8', 'replace'))

Review comment:
   The code is not working in python3 rather than python compatible. I am 
trying to modify it because the above error occurs.





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