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lts/deps/v8/tools/adb-d8.py

Summary

Maintainability
F
1 wk
Test Coverage

Function Main has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.
Open

def Main():
  if len(sys.argv) < 2:
    PrintUsage(sys.stderr)
    return 1
Severity: Minor
Found in lts/deps/v8/tools/adb-d8.py - About 1 hr to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function CreateFileHandlerClass has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
Open

def CreateFileHandlerClass(root_dirs, verbose):
  class FileHandler(SocketServer.BaseRequestHandler):
    def handle(self):
      data = self.request.recv(1024);
      while data[-1] != "\0":
Severity: Minor
Found in lts/deps/v8/tools/adb-d8.py - About 1 hr to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function TransferD8ToDevice has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
Open

def TransferD8ToDevice(adb, build_dir, device_d8_dir, verbose):
  files_to_copy = ["d8", "natives_blob.bin", "snapshot_blob.bin"]

  # Pipe the output of md5sum from the local computer to the device, checking
  # the md5 hashes on the device.
Severity: Minor
Found in lts/deps/v8/tools/adb-d8.py - About 55 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function AdbRunD8 has 5 arguments (exceeds 4 allowed). Consider refactoring.
Open

def AdbRunD8(adb, device_d8_dir, device_port, d8_args, verbose):
Severity: Minor
Found in lts/deps/v8/tools/adb-d8.py - About 35 mins to fix

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

    def Main():
  if len(sys.argv) < 2:
    PrintUsage(sys.stderr)
    return 1
    Severity: Major
    Found in lts/deps/v8/tools/adb-d8.py and 1 other location - About 5 days to fix
    current/deps/v8/tools/adb-d8.py on lines 151..238

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 548.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

    def CreateFileHandlerClass(root_dirs, verbose):
  class FileHandler(SocketServer.BaseRequestHandler):
    def handle(self):
      data = self.request.recv(1024);
      while data[-1] != "\0":
    Severity: Major
    Found in lts/deps/v8/tools/adb-d8.py and 1 other location - About 2 days to fix
    current/deps/v8/tools/adb-d8.py on lines 29..60

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 297.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

    def AdbRunD8(adb, device_d8_dir, device_port, d8_args, verbose):
  # Single-quote the arguments to d8, and concatenate them into a string.
  d8_arg_str = " ".join("'{}'".format(a) for a in d8_args)
  d8_arg_str = "--read-from-tcp-port='{}' ".format(device_port) + d8_arg_str
    Severity: Major
    Found in lts/deps/v8/tools/adb-d8.py and 1 other location - About 1 day to fix
    current/deps/v8/tools/adb-d8.py on lines 109..126

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 126.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

      for line in stdoutdata.split('\n'):
    if line.endswith(": FAILED"):
      filename = line[:-len(": FAILED")]
      if verbose:
        print("Updating {}...".format(filename))
    Severity: Major
    Found in lts/deps/v8/tools/adb-d8.py and 1 other location - About 6 hrs to fix
    current/deps/v8/tools/adb-d8.py on lines 85..94

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 100.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

    def AdbForwardDeviceToLocal(adb, device_port, server_port, verbose):
  if verbose:
    print("Forwarding device:{} to localhost:{}...".format(
      device_port, server_port))
    Severity: Major
    Found in lts/deps/v8/tools/adb-d8.py and 1 other location - About 2 hrs to fix
    current/deps/v8/tools/adb-d8.py on lines 97..105

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 53.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

      device_md5_check_proc = subprocess.Popen(
    [
      adb, "shell",
      "mkdir -p '{0}' ; cd '{0}' ; md5sum -c -".format(device_d8_dir)
    ],
    Severity: Minor
    Found in lts/deps/v8/tools/adb-d8.py and 1 other location - About 55 mins to fix
    current/deps/v8/tools/adb-d8.py on lines 73..80

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 37.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

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